diff options
Diffstat (limited to 'tools/perf')
98 files changed, 12848 insertions, 1057 deletions
diff --git a/tools/perf/Documentation/Makefile b/tools/perf/Documentation/Makefile index 4626a398836..ca600e09c8d 100644 --- a/tools/perf/Documentation/Makefile +++ b/tools/perf/Documentation/Makefile @@ -1,3 +1,10 @@ +OUTPUT := ./ +ifeq ("$(origin O)", "command line") + ifneq ($(O),) + OUTPUT := $(O)/ + endif +endif + MAN1_TXT= \ $(filter-out $(addsuffix .txt, $(ARTICLES) $(SP_ARTICLES)), \ $(wildcard perf-*.txt)) \ @@ -6,10 +13,11 @@ MAN5_TXT= MAN7_TXT= MAN_TXT = $(MAN1_TXT) $(MAN5_TXT) $(MAN7_TXT) -MAN_XML=$(patsubst %.txt,%.xml,$(MAN_TXT)) -MAN_HTML=$(patsubst %.txt,%.html,$(MAN_TXT)) +_MAN_XML=$(patsubst %.txt,%.xml,$(MAN_TXT)) +_MAN_HTML=$(patsubst %.txt,%.html,$(MAN_TXT)) -DOC_HTML=$(MAN_HTML) +MAN_XML=$(addprefix $(OUTPUT),$(_MAN_XML)) +MAN_HTML=$(addprefix $(OUTPUT),$(_MAN_HTML)) ARTICLES = # with their own formatting rules. @@ -18,11 +26,17 @@ API_DOCS = $(patsubst %.txt,%,$(filter-out technical/api-index-skel.txt technica SP_ARTICLES += $(API_DOCS) SP_ARTICLES += technical/api-index -DOC_HTML += $(patsubst %,%.html,$(ARTICLES) $(SP_ARTICLES)) +_DOC_HTML = $(_MAN_HTML) +_DOC_HTML+=$(patsubst %,%.html,$(ARTICLES) $(SP_ARTICLES)) +DOC_HTML=$(addprefix $(OUTPUT),$(_DOC_HTML)) -DOC_MAN1=$(patsubst %.txt,%.1,$(MAN1_TXT)) -DOC_MAN5=$(patsubst %.txt,%.5,$(MAN5_TXT)) -DOC_MAN7=$(patsubst %.txt,%.7,$(MAN7_TXT)) +_DOC_MAN1=$(patsubst %.txt,%.1,$(MAN1_TXT)) +_DOC_MAN5=$(patsubst %.txt,%.5,$(MAN5_TXT)) +_DOC_MAN7=$(patsubst %.txt,%.7,$(MAN7_TXT)) + +DOC_MAN1=$(addprefix $(OUTPUT),$(_DOC_MAN1)) +DOC_MAN5=$(addprefix $(OUTPUT),$(_DOC_MAN5)) +DOC_MAN7=$(addprefix $(OUTPUT),$(_DOC_MAN7)) # Make the path relative to DESTDIR, not prefix ifndef DESTDIR @@ -150,9 +164,9 @@ man1: $(DOC_MAN1) man5: $(DOC_MAN5) man7: $(DOC_MAN7) -info: perf.info perfman.info +info: $(OUTPUT)perf.info $(OUTPUT)perfman.info -pdf: user-manual.pdf +pdf: $(OUTPUT)user-manual.pdf install: install-man @@ -166,7 +180,7 @@ install-man: man install-info: info $(INSTALL) -d -m 755 $(DESTDIR)$(infodir) - $(INSTALL) -m 644 perf.info perfman.info $(DESTDIR)$(infodir) + $(INSTALL) -m 644 $(OUTPUT)perf.info $(OUTPUT)perfman.info $(DESTDIR)$(infodir) if test -r $(DESTDIR)$(infodir)/dir; then \ $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) perf.info ;\ $(INSTALL_INFO) --info-dir=$(DESTDIR)$(infodir) perfman.info ;\ @@ -176,7 +190,7 @@ install-info: info install-pdf: pdf $(INSTALL) -d -m 755 $(DESTDIR)$(pdfdir) - $(INSTALL) -m 644 user-manual.pdf $(DESTDIR)$(pdfdir) + $(INSTALL) -m 644 $(OUTPUT)user-manual.pdf $(DESTDIR)$(pdfdir) #install-html: html # '$(SHELL_PATH_SQ)' ./install-webdoc.sh $(DESTDIR)$(htmldir) @@ -189,14 +203,14 @@ install-pdf: pdf # # Determine "include::" file references in asciidoc files. # -doc.dep : $(wildcard *.txt) build-docdep.perl +$(OUTPUT)doc.dep : $(wildcard *.txt) build-docdep.perl $(QUIET_GEN)$(RM) $@+ $@ && \ $(PERL_PATH) ./build-docdep.perl >$@+ $(QUIET_STDERR) && \ mv $@+ $@ --include doc.dep +-include $(OUPTUT)doc.dep -cmds_txt = cmds-ancillaryinterrogators.txt \ +_cmds_txt = cmds-ancillaryinterrogators.txt \ cmds-ancillarymanipulators.txt \ cmds-mainporcelain.txt \ cmds-plumbinginterrogators.txt \ @@ -205,32 +219,36 @@ cmds_txt = cmds-ancillaryinterrogators.txt \ cmds-synchelpers.txt \ cmds-purehelpers.txt \ cmds-foreignscminterface.txt +cmds_txt=$(addprefix $(OUTPUT),$(_cmds_txt)) -$(cmds_txt): cmd-list.made +$(cmds_txt): $(OUTPUT)cmd-list.made -cmd-list.made: cmd-list.perl ../command-list.txt $(MAN1_TXT) +$(OUTPUT)cmd-list.made: cmd-list.perl ../command-list.txt $(MAN1_TXT) $(QUIET_GEN)$(RM) $@ && \ $(PERL_PATH) ./cmd-list.perl ../command-list.txt $(QUIET_STDERR) && \ date >$@ clean: - $(RM) *.xml *.xml+ *.html *.html+ *.1 *.5 *.7 - $(RM) *.texi *.texi+ *.texi++ perf.info perfman.info - $(RM) howto-index.txt howto/*.html doc.dep - $(RM) technical/api-*.html technical/api-index.txt - $(RM) $(cmds_txt) *.made - -$(MAN_HTML): %.html : %.txt + $(RM) $(MAN_XML) $(addsuffix +,$(MAN_XML)) + $(RM) $(MAN_HTML) $(addsuffix +,$(MAN_HTML)) + $(RM) $(DOC_HTML) $(DOC_MAN1) $(DOC_MAN5) $(DOC_MAN7) + $(RM) $(OUTPUT)*.texi $(OUTPUT)*.texi+ $(OUTPUT)*.texi++ + $(RM) $(OUTPUT)perf.info $(OUTPUT)perfman.info + $(RM) $(OUTPUT)howto-index.txt $(OUTPUT)howto/*.html $(OUTPUT)doc.dep + $(RM) $(OUTPUT)technical/api-*.html $(OUTPUT)technical/api-index.txt + $(RM) $(cmds_txt) $(OUTPUT)*.made + +$(MAN_HTML): $(OUTPUT)%.html : %.txt $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \ $(ASCIIDOC) -b xhtml11 -d manpage -f asciidoc.conf \ $(ASCIIDOC_EXTRA) -aperf_version=$(PERF_VERSION) -o $@+ $< && \ mv $@+ $@ -%.1 %.5 %.7 : %.xml +$(OUTPUT)%.1 $(OUTPUT)%.5 $(OUTPUT)%.7 : $(OUTPUT)%.xml $(QUIET_XMLTO)$(RM) $@ && \ - xmlto -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $< + xmlto -o $(OUTPUT) -m $(MANPAGE_XSL) $(XMLTO_EXTRA) man $< -%.xml : %.txt +$(OUTPUT)%.xml : %.txt $(QUIET_ASCIIDOC)$(RM) $@+ $@ && \ $(ASCIIDOC) -b docbook -d manpage -f asciidoc.conf \ $(ASCIIDOC_EXTRA) -aperf_version=$(PERF_VERSION) -o $@+ $< && \ @@ -239,25 +257,25 @@ $(MAN_HTML): %.html : %.txt XSLT = docbook.xsl XSLTOPTS = --xinclude --stringparam html.stylesheet docbook-xsl.css -user-manual.html: user-manual.xml +$(OUTPUT)user-manual.html: $(OUTPUT)user-manual.xml $(QUIET_XSLTPROC)xsltproc $(XSLTOPTS) -o $@ $(XSLT) $< -perf.info: user-manual.texi - $(QUIET_MAKEINFO)$(MAKEINFO) --no-split -o $@ user-manual.texi +$(OUTPUT)perf.info: $(OUTPUT)user-manual.texi + $(QUIET_MAKEINFO)$(MAKEINFO) --no-split -o $@ $(OUTPUT)user-manual.texi -user-manual.texi: user-manual.xml +$(OUTPUT)user-manual.texi: $(OUTPUT)user-manual.xml $(QUIET_DB2TEXI)$(RM) $@+ $@ && \ - $(DOCBOOK2X_TEXI) user-manual.xml --encoding=UTF-8 --to-stdout >$@++ && \ + $(DOCBOOK2X_TEXI) $(OUTPUT)user-manual.xml --encoding=UTF-8 --to-stdout >$@++ && \ $(PERL_PATH) fix-texi.perl <$@++ >$@+ && \ rm $@++ && \ mv $@+ $@ -user-manual.pdf: user-manual.xml +$(OUTPUT)user-manual.pdf: $(OUTPUT)user-manual.xml $(QUIET_DBLATEX)$(RM) $@+ $@ && \ $(DBLATEX) -o $@+ -p /etc/asciidoc/dblatex/asciidoc-dblatex.xsl -s /etc/asciidoc/dblatex/asciidoc-dblatex.sty $< && \ mv $@+ $@ -perfman.texi: $(MAN_XML) cat-texi.perl +$(OUTPUT)perfman.texi: $(MAN_XML) cat-texi.perl $(QUIET_DB2TEXI)$(RM) $@+ $@ && \ ($(foreach xml,$(MAN_XML),$(DOCBOOK2X_TEXI) --encoding=UTF-8 \ --to-stdout $(xml) &&) true) > $@++ && \ @@ -265,7 +283,7 @@ perfman.texi: $(MAN_XML) cat-texi.perl rm $@++ && \ mv $@+ $@ -perfman.info: perfman.texi +$(OUTPUT)perfman.info: $(OUTPUT)perfman.texi $(QUIET_MAKEINFO)$(MAKEINFO) --no-split --no-validate $*.texi $(patsubst %.txt,%.texi,$(MAN_TXT)): %.texi : %.xml diff --git a/tools/perf/Documentation/perf-lock.txt b/tools/perf/Documentation/perf-lock.txt index d6b2a4f2108..c7f5f55634a 100644 --- a/tools/perf/Documentation/perf-lock.txt +++ b/tools/perf/Documentation/perf-lock.txt @@ -8,7 +8,7 @@ perf-lock - Analyze lock events SYNOPSIS -------- [verse] -'perf lock' {record|report|trace} +'perf lock' {record|report|script|info} DESCRIPTION ----------- @@ -20,10 +20,13 @@ and statistics with this 'perf lock' command. produces the file "perf.data" which contains tracing results of lock events. - 'perf lock trace' shows raw lock events. - 'perf lock report' reports statistical data. + 'perf lock script' shows raw lock events. + + 'perf lock info' shows metadata like threads or addresses + of lock instances. + COMMON OPTIONS -------------- @@ -47,6 +50,17 @@ REPORT OPTIONS Sorting key. Possible values: acquired (default), contended, wait_total, wait_max, wait_min. +INFO OPTIONS +------------ + +-t:: +--threads:: + dump thread list in perf.data + +-m:: +--map:: + dump map of lock instances (address:name table) + SEE ALSO -------- linkperf:perf[1] diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 2937f7e14bb..a1386b2fff0 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -52,11 +52,15 @@ OPTIONS -p:: --pid=:: - Record events on existing process ID. + Record events on existing process ID (comma separated list). -t:: --tid=:: - Record events on existing thread ID. + Record events on existing thread ID (comma separated list). + +-u:: +--uid=:: + Record events in threads owned by uid. Name or number. -r:: --realtime=:: @@ -148,6 +152,36 @@ an empty cgroup (monitor all the time) using, e.g., -G foo,,bar. Cgroups must ha corresponding events, i.e., they always refer to events defined earlier on the command line. +-b:: +--branch-any:: +Enable taken branch stack sampling. Any type of taken branch may be sampled. +This is a shortcut for --branch-filter any. See --branch-filter for more infos. + +-j:: +--branch-filter:: +Enable taken branch stack sampling. Each sample captures a series of consecutive +taken branches. The number of branches captured with each sample depends on the +underlying hardware, the type of branches of interest, and the executed code. +It is possible to select the types of branches captured by enabling filters. The +following filters are defined: + + - any: any type of branches + - any_call: any function call or system call + - any_ret: any function return or system call return + - any_ind: any indirect branch + - u: only when the branch target is at the user level + - k: only when the branch target is in the kernel + - hv: only when the target is at the hypervisor level + ++ +The option requires at least one branch type among any, any_call, any_ret, ind_call. +The privilege levels may be ommitted, in which case, the privilege levels of the associated +event are applied to the branch filter. Both kernel (k) and hypervisor (hv) privilege +levels are subject to permissions. When sampling on multiple events, branch stack sampling +is enabled for all the sampling events. The sampled branch type is the same for all events. +The various filters must be specified as a comma separated list: --branch-filter any_ret,u,k +Note that this feature may not be available on all processors. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-list[1] diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index 9b430e98712..2d89f02719b 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -48,6 +48,9 @@ OPTIONS Only consider these symbols. CSV that understands file://filename entries. +--symbol-filter=:: + Only show symbols that match (partially) with this filter. + -U:: --hide-unresolved:: Only display entries resolved to a symbol. @@ -110,6 +113,8 @@ OPTIONS requires a tty, if one is not present, as when piping to other commands, the stdio interface is used. +--gtk:: Use the GTK2 interface. + -k:: --vmlinux=<file>:: vmlinux pathname @@ -153,6 +158,16 @@ OPTIONS information which may be very large and thus may clutter the display. It currently includes: cpu and numa topology of the host system. +-b:: +--branch-stack:: + Use the addresses of sampled taken branches instead of the instruction + address to build the histograms. To generate meaningful output, the + perf.data file must have been obtained using perf record -b or + perf record --branch-filter xxx where xxx is a branch filter option. + perf report is able to auto-detect whether a perf.data file contains + branch stacks and it will automatically switch to the branch view mode, + unless --no-branch-stack is used. + SEE ALSO -------- linkperf:perf-stat[1], linkperf:perf-annotate[1] diff --git a/tools/perf/Documentation/perf-script.txt b/tools/perf/Documentation/perf-script.txt index 2f6cef43da2..e9cbfcddfa3 100644 --- a/tools/perf/Documentation/perf-script.txt +++ b/tools/perf/Documentation/perf-script.txt @@ -115,7 +115,7 @@ OPTIONS -f:: --fields:: Comma separated list of fields to print. Options are: - comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr. + comm, tid, pid, time, cpu, event, trace, ip, sym, dso, addr, symoff. Field list can be prepended with the type, trace, sw or hw, to indicate to which event type the field list applies. e.g., -f sw:comm,tid,time,ip,sym and -f trace:time,cpu,trace @@ -200,6 +200,9 @@ OPTIONS It currently includes: cpu and numa topology of the host system. It can only be used with the perf script report mode. +--show-kernel-path:: + Try to resolve the path of [kernel.kallsyms] + SEE ALSO -------- linkperf:perf-record[1], linkperf:perf-script-perl[1], diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index 8966b9ab201..2fa173b5197 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -35,11 +35,11 @@ OPTIONS child tasks do not inherit counters -p:: --pid=<pid>:: - stat events on existing process id + stat events on existing process id (comma separated list) -t:: --tid=<tid>:: - stat events on existing thread id + stat events on existing thread id (comma separated list) -a:: diff --git a/tools/perf/Documentation/perf-top.txt b/tools/perf/Documentation/perf-top.txt index b1a5bbbfebe..4a5680cb242 100644 --- a/tools/perf/Documentation/perf-top.txt +++ b/tools/perf/Documentation/perf-top.txt @@ -72,11 +72,15 @@ Default is to monitor all CPUS. -p <pid>:: --pid=<pid>:: - Profile events on existing Process ID. + Profile events on existing Process ID (comma separated list). -t <tid>:: --tid=<tid>:: - Profile events on existing thread ID. + Profile events on existing thread ID (comma separated list). + +-u:: +--uid=:: + Record events in threads owned by uid. Name or number. -r <priority>:: --realtime=<priority>:: diff --git a/tools/perf/MANIFEST b/tools/perf/MANIFEST index 1078c5fadd5..5476bc0a1ea 100644 --- a/tools/perf/MANIFEST +++ b/tools/perf/MANIFEST @@ -9,6 +9,7 @@ lib/rbtree.c include/linux/swab.h arch/*/include/asm/unistd*.h arch/*/lib/memcpy*.S +arch/*/lib/memset*.S include/linux/poison.h include/linux/magic.h include/linux/hw_breakpoint.h diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 8a4b9bccf8b..b492e3a5126 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -15,6 +15,16 @@ endif # Define V to have a more verbose compile. # +# Define O to save output files in a separate directory. +# +# Define ARCH as name of target architecture if you want cross-builds. +# +# Define CROSS_COMPILE as prefix name of compiler if you want cross-builds. +# +# Define NO_LIBPERL to disable perl script extension. +# +# Define NO_LIBPYTHON to disable python script extension. +# # Define PYTHON to point to the python binary if the default # `python' is not correct; for example: PYTHON=python2 # @@ -32,6 +42,10 @@ endif # Define NO_DWARF if you do not want debug-info analysis feature at all. # # Define WERROR=0 to disable treating any warnings as errors. +# +# Define NO_NEWT if you do not want TUI support. +# +# Define NO_DEMANGLE if you do not want C++ symbol demangling. $(OUTPUT)PERF-VERSION-FILE: .FORCE-PERF-VERSION-FILE @$(SHELL_PATH) util/PERF-VERSION-GEN $(OUTPUT) @@ -47,6 +61,8 @@ ARCH ?= $(shell echo $(uname_M) | sed -e s/i.86/i386/ -e s/sun4u/sparc64/ \ CC = $(CROSS_COMPILE)gcc AR = $(CROSS_COMPILE)ar +FLEX = $(CROSS_COMPILE)flex +BISON= $(CROSS_COMPILE)bison # Additional ARCH settings for x86 ifeq ($(ARCH),i386) @@ -61,7 +77,7 @@ ifeq ($(ARCH),x86_64) ifeq (${IS_X86_64}, 1) RAW_ARCH := x86_64 ARCH_CFLAGS := -DARCH_X86_64 - ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S + ARCH_INCLUDE = ../../arch/x86/lib/memcpy_64.S ../../arch/x86/lib/memset_64.S endif endif @@ -183,7 +199,10 @@ SCRIPT_SH += perf-archive.sh grep-libs = $(filter -l%,$(1)) strip-libs = $(filter-out -l%,$(1)) -$(OUTPUT)python/perf.so: $(PYRF_OBJS) +PYTHON_EXT_SRCS := $(shell grep -v ^\# util/python-ext-sources) +PYTHON_EXT_DEPS := util/python-ext-sources util/setup.py + +$(OUTPUT)python/perf.so: $(PYRF_OBJS) $(PYTHON_EXT_SRCS) $(PYTHON_EXT_DEPS) $(QUIET_GEN)CFLAGS='$(BASIC_CFLAGS)' $(PYTHON_WORD) util/setup.py \ --quiet build_ext; \ mkdir -p $(OUTPUT)python && \ @@ -258,6 +277,8 @@ LIB_H += util/callchain.h LIB_H += util/build-id.h LIB_H += util/debug.h LIB_H += util/debugfs.h +LIB_H += util/sysfs.h +LIB_H += util/pmu.h LIB_H += util/event.h LIB_H += util/evsel.h LIB_H += util/evlist.h @@ -304,6 +325,8 @@ LIB_OBJS += $(OUTPUT)util/build-id.o LIB_OBJS += $(OUTPUT)util/config.o LIB_OBJS += $(OUTPUT)util/ctype.o LIB_OBJS += $(OUTPUT)util/debugfs.o +LIB_OBJS += $(OUTPUT)util/sysfs.o +LIB_OBJS += $(OUTPUT)util/pmu.o LIB_OBJS += $(OUTPUT)util/environment.o LIB_OBJS += $(OUTPUT)util/event.o LIB_OBJS += $(OUTPUT)util/evlist.o @@ -340,6 +363,10 @@ LIB_OBJS += $(OUTPUT)util/session.o LIB_OBJS += $(OUTPUT)util/thread.o LIB_OBJS += $(OUTPUT)util/thread_map.o LIB_OBJS += $(OUTPUT)util/trace-event-parse.o +LIB_OBJS += $(OUTPUT)util/parse-events-flex.o +LIB_OBJS += $(OUTPUT)util/parse-events-bison.o +LIB_OBJS += $(OUTPUT)util/pmu-flex.o +LIB_OBJS += $(OUTPUT)util/pmu-bison.o LIB_OBJS += $(OUTPUT)util/trace-event-read.o LIB_OBJS += $(OUTPUT)util/trace-event-info.o LIB_OBJS += $(OUTPUT)util/trace-event-scripting.o @@ -361,8 +388,10 @@ BUILTIN_OBJS += $(OUTPUT)bench/sched-messaging.o BUILTIN_OBJS += $(OUTPUT)bench/sched-pipe.o ifeq ($(RAW_ARCH),x86_64) BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy-x86-64-asm.o +BUILTIN_OBJS += $(OUTPUT)bench/mem-memset-x86-64-asm.o endif BUILTIN_OBJS += $(OUTPUT)bench/mem-memcpy.o +BUILTIN_OBJS += $(OUTPUT)bench/mem-memset.o BUILTIN_OBJS += $(OUTPUT)builtin-diff.o BUILTIN_OBJS += $(OUTPUT)builtin-evlist.o @@ -480,6 +509,20 @@ else endif endif +ifdef NO_GTK2 + BASIC_CFLAGS += -DNO_GTK2 +else + FLAGS_GTK2=$(ALL_CFLAGS) $(ALL_LDFLAGS) $(EXTLIBS) $(shell pkg-config --libs --cflags gtk+-2.0) + ifneq ($(call try-cc,$(SOURCE_GTK2),$(FLAGS_GTK2)),y) + msg := $(warning GTK2 not found, disables GTK2 support. Please install gtk2-devel or libgtk2.0-dev); + BASIC_CFLAGS += -DNO_GTK2_SUPPORT + else + BASIC_CFLAGS += $(shell pkg-config --cflags gtk+-2.0) + EXTLIBS += $(shell pkg-config --libs gtk+-2.0) + LIB_OBJS += $(OUTPUT)util/gtk/browser.o + endif +endif + ifdef NO_LIBPERL BASIC_CFLAGS += -DNO_LIBPERL else @@ -626,6 +669,8 @@ ifndef V QUIET_LINK = @echo ' ' LINK $@; QUIET_MKDIR = @echo ' ' MKDIR $@; QUIET_GEN = @echo ' ' GEN $@; + QUIET_FLEX = @echo ' ' FLEX $@; + QUIET_BISON = @echo ' ' BISON $@; endif endif @@ -706,12 +751,19 @@ $(OUTPUT)perf.o perf.spec \ $(SCRIPTS) \ : $(OUTPUT)PERF-VERSION-FILE +.SUFFIXES: +.SUFFIXES: .o .c .S .s + $(OUTPUT)%.o: %.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $< +$(OUTPUT)%.i: %.c $(OUTPUT)PERF-CFLAGS + $(QUIET_CC)$(CC) -o $@ -E $(ALL_CFLAGS) $< $(OUTPUT)%.s: %.c $(OUTPUT)PERF-CFLAGS - $(QUIET_CC)$(CC) -S $(ALL_CFLAGS) $< + $(QUIET_CC)$(CC) -o $@ -S $(ALL_CFLAGS) $< $(OUTPUT)%.o: %.S $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $< +$(OUTPUT)%.s: %.S + $(QUIET_CC)$(CC) -o $@ -E $(ALL_CFLAGS) $< $(OUTPUT)util/exec_cmd.o: util/exec_cmd.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) \ @@ -738,6 +790,12 @@ $(OUTPUT)util/ui/browsers/map.o: util/ui/browsers/map.c $(OUTPUT)PERF-CFLAGS $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< +$(OUTPUT)util/parse-events-flex.o: util/parse-events-flex.c $(OUTPUT)PERF-CFLAGS + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-redundant-decls -Wno-switch-default -Wno-unused-function $< + +$(OUTPUT)util/pmu-flex.o: util/pmu-flex.c $(OUTPUT)PERF-CFLAGS + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-redundant-decls -Wno-switch-default -Wno-unused-function $< + $(OUTPUT)util/scripting-engines/trace-event-perl.o: util/scripting-engines/trace-event-perl.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) $(PERL_EMBED_CCOPTS) -Wno-redundant-decls -Wno-strict-prototypes -Wno-unused-parameter -Wno-shadow $< @@ -774,6 +832,8 @@ help: @echo ' html - make html documentation' @echo ' info - make GNU info documentation (access with info <foo>)' @echo ' pdf - make pdf documentation' + @echo ' event-parser - make event parser code' + @echo ' pmu-parser - make pmu format parser code' @echo ' TAGS - use etags to make tag information for source browsing' @echo ' tags - use ctags to make tag information for source browsing' @echo ' cscope - use cscope to make interactive browsing database' @@ -794,7 +854,6 @@ help: @echo ' quick-install-html - install the html documentation quickly' @echo '' @echo 'Perf maintainer targets:' - @echo ' distclean - alias to clean' @echo ' clean - clean all binary objects and build output' doc: @@ -824,6 +883,14 @@ cscope: $(RM) cscope* $(FIND) . -name '*.[hcS]' -print | xargs cscope -b +event-parser: + $(QUIET_BISON)$(BISON) -v util/parse-events.y -d -o util/parse-events-bison.c + $(QUIET_FLEX)$(FLEX) --header-file=util/parse-events-flex.h -t util/parse-events.l > util/parse-events-flex.c + +pmu-parser: + $(QUIET_BISON)$(BISON) -v util/pmu.y -d -o util/pmu-bison.c + $(QUIET_FLEX)$(FLEX) --header-file=util/pmu-flex.h -t util/pmu.l > util/pmu-flex.c + ### Detect prefix changes TRACK_CFLAGS = $(subst ','\'',$(ALL_CFLAGS)):\ $(bindir_SQ):$(perfexecdir_SQ):$(template_dir_SQ):$(prefix_SQ) diff --git a/tools/perf/bench/bench.h b/tools/perf/bench/bench.h index f7781c6267c..a09bece6dad 100644 --- a/tools/perf/bench/bench.h +++ b/tools/perf/bench/bench.h @@ -4,6 +4,7 @@ extern int bench_sched_messaging(int argc, const char **argv, const char *prefix); extern int bench_sched_pipe(int argc, const char **argv, const char *prefix); extern int bench_mem_memcpy(int argc, const char **argv, const char *prefix __used); +extern int bench_mem_memset(int argc, const char **argv, const char *prefix); #define BENCH_FORMAT_DEFAULT_STR "default" #define BENCH_FORMAT_DEFAULT 0 diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm-def.h b/tools/perf/bench/mem-memcpy-x86-64-asm-def.h index d588b87696f..d66ab799b35 100644 --- a/tools/perf/bench/mem-memcpy-x86-64-asm-def.h +++ b/tools/perf/bench/mem-memcpy-x86-64-asm-def.h @@ -2,3 +2,11 @@ MEMCPY_FN(__memcpy, "x86-64-unrolled", "unrolled memcpy() in arch/x86/lib/memcpy_64.S") + +MEMCPY_FN(memcpy_c, + "x86-64-movsq", + "movsq-based memcpy() in arch/x86/lib/memcpy_64.S") + +MEMCPY_FN(memcpy_c_e, + "x86-64-movsb", + "movsb-based memcpy() in arch/x86/lib/memcpy_64.S") diff --git a/tools/perf/bench/mem-memcpy-x86-64-asm.S b/tools/perf/bench/mem-memcpy-x86-64-asm.S index 185a96d66dd..fcd9cf00600 100644 --- a/tools/perf/bench/mem-memcpy-x86-64-asm.S +++ b/tools/perf/bench/mem-memcpy-x86-64-asm.S @@ -1,4 +1,8 @@ - +#define memcpy MEMCPY /* don't hide glibc's memcpy() */ +#define altinstr_replacement text +#define globl p2align 4; .globl +#define Lmemcpy_c globl memcpy_c; memcpy_c +#define Lmemcpy_c_e globl memcpy_c_e; memcpy_c_e #include "../../../arch/x86/lib/memcpy_64.S" /* * We need to provide note.GNU-stack section, saying that we want diff --git a/tools/perf/bench/mem-memcpy.c b/tools/perf/bench/mem-memcpy.c index db82021f4b9..71557225bf9 100644 --- a/tools/perf/bench/mem-memcpy.c +++ b/tools/perf/bench/mem-memcpy.c @@ -5,7 +5,6 @@ * * Written by Hitoshi Mitake <mitake@dcl.info.waseda.ac.jp> */ -#include <ctype.h> #include "../perf.h" #include "../util/util.h" @@ -24,6 +23,7 @@ static const char *length_str = "1MB"; static const char *routine = "default"; +static int iterations = 1; static bool use_clock; static int clock_fd; static bool only_prefault; @@ -35,6 +35,8 @@ static const struct option options[] = { "available unit: B, MB, GB (upper and lower)"), OPT_STRING('r', "routine", &routine, "default", "Specify routine to copy"), + OPT_INTEGER('i', "iterations", &iterations, + "repeat memcpy() invocation this number of times"), OPT_BOOLEAN('c', "clock", &use_clock, "Use CPU clock for measuring"), OPT_BOOLEAN('o', "only-prefault", &only_prefault, @@ -121,6 +123,7 @@ static u64 do_memcpy_clock(memcpy_t fn, size_t len, bool prefault) { u64 clock_start = 0ULL, clock_end = 0ULL; void *src = NULL, *dst = NULL; + int i; alloc_mem(&src, &dst, len); @@ -128,7 +131,8 @@ static u64 do_memcpy_clock(memcpy_t fn, size_t len, bool prefault) fn(dst, src, len); clock_start = get_clock(); - fn(dst, src, len); + for (i = 0; i < iterations; ++i) + fn(dst, src, len); clock_end = get_clock(); free(src); @@ -140,6 +144,7 @@ static double do_memcpy_gettimeofday(memcpy_t fn, size_t len, bool prefault) { struct timeval tv_start, tv_end, tv_diff; void *src = NULL, *dst = NULL; + int i; alloc_mem(&src, &dst, len); @@ -147,7 +152,8 @@ static double do_memcpy_gettimeofday(memcpy_t fn, size_t len, bool prefault) fn(dst, src, len); BUG_ON(gettimeofday(&tv_start, NULL)); - fn(dst, src, len); + for (i = 0; i < iterations; ++i) + fn(dst, src, len); BUG_ON(gettimeofday(&tv_end, NULL)); timersub(&tv_end, &tv_start, &tv_diff); diff --git a/tools/perf/bench/mem-memset-arch.h b/tools/perf/bench/mem-memset-arch.h new file mode 100644 index 00000000000..a040fa77665 --- /dev/null +++ b/tools/perf/bench/mem-memset-arch.h @@ -0,0 +1,12 @@ + +#ifdef ARCH_X86_64 + +#define MEMSET_FN(fn, name, desc) \ + extern void *fn(void *, int, size_t); + +#include "mem-memset-x86-64-asm-def.h" + +#undef MEMSET_FN + +#endif + diff --git a/tools/perf/bench/mem-memset-x86-64-asm-def.h b/tools/perf/bench/mem-memset-x86-64-asm-def.h new file mode 100644 index 00000000000..a71dff97c1f --- /dev/null +++ b/tools/perf/bench/mem-memset-x86-64-asm-def.h @@ -0,0 +1,12 @@ + +MEMSET_FN(__memset, + "x86-64-unrolled", + "unrolled memset() in arch/x86/lib/memset_64.S") + +MEMSET_FN(memset_c, + "x86-64-stosq", + "movsq-based memset() in arch/x86/lib/memset_64.S") + +MEMSET_FN(memset_c_e, + "x86-64-stosb", + "movsb-based memset() in arch/x86/lib/memset_64.S") diff --git a/tools/perf/bench/mem-memset-x86-64-asm.S b/tools/perf/bench/mem-memset-x86-64-asm.S new file mode 100644 index 00000000000..9e5af89ed13 --- /dev/null +++ b/tools/perf/bench/mem-memset-x86-64-asm.S @@ -0,0 +1,13 @@ +#define memset MEMSET /* don't hide glibc's memset() */ +#define altinstr_replacement text +#define globl p2align 4; .globl +#define Lmemset_c globl memset_c; memset_c +#define Lmemset_c_e globl memset_c_e; memset_c_e +#include "../../../arch/x86/lib/memset_64.S" + +/* + * We need to provide note.GNU-stack section, saying that we want + * NOT executable stack. Otherwise the final linking will assume that + * the ELF stack should not be restricted at all and set it RWX. + */ +.section .note.GNU-stack,"",@progbits diff --git a/tools/perf/bench/mem-memset.c b/tools/perf/bench/mem-memset.c new file mode 100644 index 00000000000..e9079185bd7 --- /dev/null +++ b/tools/perf/bench/mem-memset.c @@ -0,0 +1,297 @@ +/* + * mem-memset.c + * + * memset: Simple memory set in various ways + * + * Trivial clone of mem-memcpy.c. + */ + +#include "../perf.h" +#include "../util/util.h" +#include "../util/parse-options.h" +#include "../util/header.h" +#include "bench.h" +#include "mem-memset-arch.h" + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/time.h> +#include <errno.h> + +#define K 1024 + +static const char *length_str = "1MB"; +static const char *routine = "default"; +static int iterations = 1; +static bool use_clock; +static int clock_fd; +static bool only_prefault; +static bool no_prefault; + +static const struct option options[] = { + OPT_STRING('l', "length", &length_str, "1MB", + "Specify length of memory to copy. " + "available unit: B, MB, GB (upper and lower)"), + OPT_STRING('r', "routine", &routine, "default", + "Specify routine to copy"), + OPT_INTEGER('i', "iterations", &iterations, + "repeat memset() invocation this number of times"), + OPT_BOOLEAN('c', "clock", &use_clock, + "Use CPU clock for measuring"), + OPT_BOOLEAN('o', "only-prefault", &only_prefault, + "Show only the result with page faults before memset()"), + OPT_BOOLEAN('n', "no-prefault", &no_prefault, + "Show only the result without page faults before memset()"), + OPT_END() +}; + +typedef void *(*memset_t)(void *, int, size_t); + +struct routine { + const char *name; + const char *desc; + memset_t fn; +}; + +static const struct routine routines[] = { + { "default", + "Default memset() provided by glibc", + memset }, +#ifdef ARCH_X86_64 + +#define MEMSET_FN(fn, name, desc) { name, desc, fn }, +#include "mem-memset-x86-64-asm-def.h" +#undef MEMSET_FN + +#endif + + { NULL, + NULL, + NULL } +}; + +static const char * const bench_mem_memset_usage[] = { + "perf bench mem memset <options>", + NULL +}; + +static struct perf_event_attr clock_attr = { + .type = PERF_TYPE_HARDWARE, + .config = PERF_COUNT_HW_CPU_CYCLES +}; + +static void init_clock(void) +{ + clock_fd = sys_perf_event_open(&clock_attr, getpid(), -1, -1, 0); + + if (clock_fd < 0 && errno == ENOSYS) + die("No CONFIG_PERF_EVENTS=y kernel support configured?\n"); + else + BUG_ON(clock_fd < 0); +} + +static u64 get_clock(void) +{ + int ret; + u64 clk; + + ret = read(clock_fd, &clk, sizeof(u64)); + BUG_ON(ret != sizeof(u64)); + + return clk; +} + +static double timeval2double(struct timeval *ts) +{ + return (double)ts->tv_sec + + (double)ts->tv_usec / (double)1000000; +} + +static void alloc_mem(void **dst, size_t length) +{ + *dst = zalloc(length); + if (!dst) + die("memory allocation failed - maybe length is too large?\n"); +} + +static u64 do_memset_clock(memset_t fn, size_t len, bool prefault) +{ + u64 clock_start = 0ULL, clock_end = 0ULL; + void *dst = NULL; + int i; + + alloc_mem(&dst, len); + + if (prefault) + fn(dst, -1, len); + + clock_start = get_clock(); + for (i = 0; i < iterations; ++i) + fn(dst, i, len); + clock_end = get_clock(); + + free(dst); + return clock_end - clock_start; +} + +static double do_memset_gettimeofday(memset_t fn, size_t len, bool prefault) +{ + struct timeval tv_start, tv_end, tv_diff; + void *dst = NULL; + int i; + + alloc_mem(&dst, len); + + if (prefault) + fn(dst, -1, len); + + BUG_ON(gettimeofday(&tv_start, NULL)); + for (i = 0; i < iterations; ++i) + fn(dst, i, len); + BUG_ON(gettimeofday(&tv_end, NULL)); + + timersub(&tv_end, &tv_start, &tv_diff); + + free(dst); + return (double)((double)len / timeval2double(&tv_diff)); +} + +#define pf (no_prefault ? 0 : 1) + +#define print_bps(x) do { \ + if (x < K) \ + printf(" %14lf B/Sec", x); \ + else if (x < K * K) \ + printf(" %14lfd KB/Sec", x / K); \ + else if (x < K * K * K) \ + printf(" %14lf MB/Sec", x / K / K); \ + else \ + printf(" %14lf GB/Sec", x / K / K / K); \ + } while (0) + +int bench_mem_memset(int argc, const char **argv, + const char *prefix __used) +{ + int i; + size_t len; + double result_bps[2]; + u64 result_clock[2]; + + argc = parse_options(argc, argv, options, + bench_mem_memset_usage, 0); + + if (use_clock) + init_clock(); + + len = (size_t)perf_atoll((char *)length_str); + + result_clock[0] = result_clock[1] = 0ULL; + result_bps[0] = result_bps[1] = 0.0; + + if ((s64)len <= 0) { + fprintf(stderr, "Invalid length:%s\n", length_str); + return 1; + } + + /* same to without specifying either of prefault and no-prefault */ + if (only_prefault && no_prefault) + only_prefault = no_prefault = false; + + for (i = 0; routines[i].name; i++) { + if (!strcmp(routines[i].name, routine)) + break; + } + if (!routines[i].name) { + printf("Unknown routine:%s\n", routine); + printf("Available routines...\n"); + for (i = 0; routines[i].name; i++) { + printf("\t%s ... %s\n", + routines[i].name, routines[i].desc); + } + return 1; + } + + if (bench_format == BENCH_FORMAT_DEFAULT) + printf("# Copying %s Bytes ...\n\n", length_str); + + if (!only_prefault && !no_prefault) { + /* show both of results */ + if (use_clock) { + result_clock[0] = + do_memset_clock(routines[i].fn, len, false); + result_clock[1] = + do_memset_clock(routines[i].fn, len, true); + } else { + result_bps[0] = + do_memset_gettimeofday(routines[i].fn, + len, false); + result_bps[1] = + do_memset_gettimeofday(routines[i].fn, + len, true); + } + } else { + if (use_clock) { + result_clock[pf] = + do_memset_clock(routines[i].fn, + len, only_prefault); + } else { + result_bps[pf] = + do_memset_gettimeofday(routines[i].fn, + len, only_prefault); + } + } + + switch (bench_format) { + case BENCH_FORMAT_DEFAULT: + if (!only_prefault && !no_prefault) { + if (use_clock) { + printf(" %14lf Clock/Byte\n", + (double)result_clock[0] + / (double)len); + printf(" %14lf Clock/Byte (with prefault)\n ", + (double)result_clock[1] + / (double)len); + } else { + print_bps(result_bps[0]); + printf("\n"); + print_bps(result_bps[1]); + printf(" (with prefault)\n"); + } + } else { + if (use_clock) { + printf(" %14lf Clock/Byte", + (double)result_clock[pf] + / (double)len); + } else + print_bps(result_bps[pf]); + + printf("%s\n", only_prefault ? " (with prefault)" : ""); + } + break; + case BENCH_FORMAT_SIMPLE: + if (!only_prefault && !no_prefault) { + if (use_clock) { + printf("%lf %lf\n", + (double)result_clock[0] / (double)len, + (double)result_clock[1] / (double)len); + } else { + printf("%lf %lf\n", + result_bps[0], result_bps[1]); + } + } else { + if (use_clock) { + printf("%lf\n", (double)result_clock[pf] + / (double)len); + } else + printf("%lf\n", result_bps[pf]); + } + break; + default: + /* reaching this means there's some disaster: */ + die("unknown format: %d\n", bench_format); + break; + } + + return 0; +} diff --git a/tools/perf/builtin-bench.c b/tools/perf/builtin-bench.c index fcb96269852..b0e74ab2d7a 100644 --- a/tools/perf/builtin-bench.c +++ b/tools/perf/builtin-bench.c @@ -52,6 +52,9 @@ static struct bench_suite mem_suites[] = { { "memcpy", "Simple memory copy in various ways", bench_mem_memcpy }, + { "memset", + "Simple memory set in various ways", + bench_mem_memset }, suite_all, { NULL, NULL, diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 2296c391d0f..12c81483899 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -922,12 +922,12 @@ static const struct option info_options[] = { OPT_BOOLEAN('t', "threads", &info_threads, "dump thread list in perf.data"), OPT_BOOLEAN('m', "map", &info_map, - "map of lock instances (name:address table)"), + "map of lock instances (address:name table)"), OPT_END() }; static const char * const lock_usage[] = { - "perf lock [<options>] {record|trace|report}", + "perf lock [<options>] {record|report|script|info}", NULL }; diff --git a/tools/perf/builtin-probe.c b/tools/perf/builtin-probe.c index fb8566181f2..4935c09dd5b 100644 --- a/tools/perf/builtin-probe.c +++ b/tools/perf/builtin-probe.c @@ -58,7 +58,7 @@ static struct { struct perf_probe_event events[MAX_PROBES]; struct strlist *dellist; struct line_range line_range; - const char *target_module; + const char *target; int max_probe_points; struct strfilter *filter; } params; @@ -246,7 +246,7 @@ static const struct option options[] = { "file", "vmlinux pathname"), OPT_STRING('s', "source", &symbol_conf.source_prefix, "directory", "path to kernel source"), - OPT_STRING('m', "module", ¶ms.target_module, + OPT_STRING('m', "module", ¶ms.target, "modname|path", "target module name (for online) or path (for offline)"), #endif @@ -333,7 +333,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) if (!params.filter) params.filter = strfilter__new(DEFAULT_FUNC_FILTER, NULL); - ret = show_available_funcs(params.target_module, + ret = show_available_funcs(params.target, params.filter); strfilter__delete(params.filter); if (ret < 0) @@ -354,7 +354,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) usage_with_options(probe_usage, options); } - ret = show_line_range(¶ms.line_range, params.target_module); + ret = show_line_range(¶ms.line_range, params.target); if (ret < 0) pr_err(" Error: Failed to show lines. (%d)\n", ret); return ret; @@ -371,7 +371,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) ret = show_available_vars(params.events, params.nevents, params.max_probe_points, - params.target_module, + params.target, params.filter, params.show_ext_vars); strfilter__delete(params.filter); @@ -393,7 +393,7 @@ int cmd_probe(int argc, const char **argv, const char *prefix __used) if (params.nevents) { ret = add_perf_probe_events(params.events, params.nevents, params.max_probe_points, - params.target_module, + params.target, params.force_add); if (ret < 0) { pr_err(" Error: Failed to add events. (%d)\n", ret); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 227b6ae9978..be4e1eee782 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -44,6 +44,7 @@ struct perf_record { struct perf_evlist *evlist; struct perf_session *session; const char *progname; + const char *uid_str; int output; unsigned int page_size; int realtime_prio; @@ -208,7 +209,7 @@ fallback_missing_features: if (opts->exclude_guest_missing) attr->exclude_guest = attr->exclude_host = 0; retry_sample_id: - attr->sample_id_all = opts->sample_id_all_avail ? 1 : 0; + attr->sample_id_all = opts->sample_id_all_missing ? 0 : 1; try_again: if (perf_evsel__open(pos, evlist->cpus, evlist->threads, opts->group, group_fd) < 0) { @@ -227,11 +228,11 @@ try_again: "guest or host samples.\n"); opts->exclude_guest_missing = true; goto fallback_missing_features; - } else if (opts->sample_id_all_avail) { + } else if (!opts->sample_id_all_missing) { /* * Old kernel, no attr->sample_id_type_all field */ - opts->sample_id_all_avail = false; + opts->sample_id_all_missing = true; if (!opts->sample_time && !opts->raw_samples && !time_needed) attr->sample_type &= ~PERF_SAMPLE_TIME; @@ -396,7 +397,7 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) { struct stat st; int flags; - int err, output; + int err, output, feat; unsigned long waking = 0; const bool forks = argc > 0; struct machine *machine; @@ -463,8 +464,17 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) rec->session = session; - if (!rec->no_buildid) - perf_header__set_feat(&session->header, HEADER_BUILD_ID); + for (feat = HEADER_FIRST_FEATURE; feat < HEADER_LAST_FEATURE; feat++) + perf_header__set_feat(&session->header, feat); + + if (rec->no_buildid) + perf_header__clear_feat(&session->header, HEADER_BUILD_ID); + + if (!have_tracepoints(&evsel_list->entries)) + perf_header__clear_feat(&session->header, HEADER_TRACE_INFO); + + if (!rec->opts.branch_stack) + perf_header__clear_feat(&session->header, HEADER_BRANCH_STACK); if (!rec->file_new) { err = perf_session__read_header(session, output); @@ -472,22 +482,6 @@ static int __cmd_record(struct perf_record *rec, int argc, const char **argv) goto out_delete_session; } - if (have_tracepoints(&evsel_list->entries)) - perf_header__set_feat(&session->header, HEADER_TRACE_INFO); - - perf_header__set_feat(&session->header, HEADER_HOSTNAME); - perf_header__set_feat(&session->header, HEADER_OSRELEASE); - perf_header__set_feat(&session->header, HEADER_ARCH); - perf_header__set_feat(&session->header, HEADER_CPUDESC); - perf_header__set_feat(&session->header, HEADER_NRCPUS); - perf_header__set_feat(&session->header, HEADER_EVENT_DESC); - perf_header__set_feat(&session->header, HEADER_CMDLINE); - perf_header__set_feat(&session->header, HEADER_VERSION); - perf_header__set_feat(&session->header, HEADER_CPU_TOPOLOGY); - perf_header__set_feat(&session->header, HEADER_TOTAL_MEM); - perf_header__set_feat(&session->header, HEADER_NUMA_TOPOLOGY); - perf_header__set_feat(&session->header, HEADER_CPUID); - if (forks) { err = perf_evlist__prepare_workload(evsel_list, opts, argv); if (err < 0) { @@ -647,6 +641,90 @@ out_delete_session: return err; } +#define BRANCH_OPT(n, m) \ + { .name = n, .mode = (m) } + +#define BRANCH_END { .name = NULL } + +struct branch_mode { + const char *name; + int mode; +}; + +static const struct branch_mode branch_modes[] = { + BRANCH_OPT("u", PERF_SAMPLE_BRANCH_USER), + BRANCH_OPT("k", PERF_SAMPLE_BRANCH_KERNEL), + BRANCH_OPT("hv", PERF_SAMPLE_BRANCH_HV), + BRANCH_OPT("any", PERF_SAMPLE_BRANCH_ANY), + BRANCH_OPT("any_call", PERF_SAMPLE_BRANCH_ANY_CALL), + BRANCH_OPT("any_ret", PERF_SAMPLE_BRANCH_ANY_RETURN), + BRANCH_OPT("ind_call", PERF_SAMPLE_BRANCH_IND_CALL), + BRANCH_END +}; + +static int +parse_branch_stack(const struct option *opt, const char *str, int unset) +{ +#define ONLY_PLM \ + (PERF_SAMPLE_BRANCH_USER |\ + PERF_SAMPLE_BRANCH_KERNEL |\ + PERF_SAMPLE_BRANCH_HV) + + uint64_t *mode = (uint64_t *)opt->value; + const struct branch_mode *br; + char *s, *os = NULL, *p; + int ret = -1; + + if (unset) + return 0; + + /* + * cannot set it twice, -b + --branch-filter for instance + */ + if (*mode) + return -1; + + /* str may be NULL in case no arg is passed to -b */ + if (str) { + /* because str is read-only */ + s = os = strdup(str); + if (!s) + return -1; + + for (;;) { + p = strchr(s, ','); + if (p) + *p = '\0'; + + for (br = branch_modes; br->name; br++) { + if (!strcasecmp(s, br->name)) + break; + } + if (!br->name) { + ui__warning("unknown branch filter %s," + " check man page\n", s); + goto error; + } + + *mode |= br->mode; + + if (!p) + break; + + s = p + 1; + } + } + ret = 0; + + /* default to any branch */ + if ((*mode & ~ONLY_PLM) == 0) { + *mode = PERF_SAMPLE_BRANCH_ANY; + } +error: + free(os); + return ret; +} + static const char * const record_usage[] = { "perf record [<options>] [<command>]", "perf record [<options>] -- <command> [<options>]", @@ -665,13 +743,10 @@ static const char * const record_usage[] = { */ static struct perf_record record = { .opts = { - .target_pid = -1, - .target_tid = -1, .mmap_pages = UINT_MAX, .user_freq = UINT_MAX, .user_interval = ULLONG_MAX, .freq = 1000, - .sample_id_all_avail = true, }, .write_mode = WRITE_FORCE, .file_new = true, @@ -690,9 +765,9 @@ const struct option record_options[] = { parse_events_option), OPT_CALLBACK(0, "filter", &record.evlist, "filter", "event filter", parse_filter), - OPT_INTEGER('p', "pid", &record.opts.target_pid, + OPT_STRING('p', "pid", &record.opts.target_pid, "pid", "record events on existing process id"), - OPT_INTEGER('t', "tid", &record.opts.target_tid, + OPT_STRING('t', "tid", &record.opts.target_tid, "tid", "record events on existing thread id"), OPT_INTEGER('r', "realtime", &record.realtime_prio, "collect data with this RT SCHED_FIFO priority"), @@ -738,6 +813,15 @@ const struct option record_options[] = { OPT_CALLBACK('G', "cgroup", &record.evlist, "name", "monitor event in cgroup name only", parse_cgroups), + OPT_STRING('u', "uid", &record.uid_str, "user", "user to profile"), + + OPT_CALLBACK_NOOPT('b', "branch-any", &record.opts.branch_stack, + "branch any", "sample any taken branches", + parse_branch_stack), + + OPT_CALLBACK('j', "branch-filter", &record.opts.branch_stack, + "branch filter mask", "branch stack filter modes", + parse_branch_stack), OPT_END() }; @@ -758,8 +842,8 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) argc = parse_options(argc, argv, record_options, record_usage, PARSE_OPT_STOP_AT_NON_OPTION); - if (!argc && rec->opts.target_pid == -1 && rec->opts.target_tid == -1 && - !rec->opts.system_wide && !rec->opts.cpu_list) + if (!argc && !rec->opts.target_pid && !rec->opts.target_tid && + !rec->opts.system_wide && !rec->opts.cpu_list && !rec->uid_str) usage_with_options(record_usage, record_options); if (rec->force && rec->append_file) { @@ -799,11 +883,17 @@ int cmd_record(int argc, const char **argv, const char *prefix __used) goto out_symbol_exit; } - if (rec->opts.target_pid != -1) + rec->opts.uid = parse_target_uid(rec->uid_str, rec->opts.target_tid, + rec->opts.target_pid); + if (rec->uid_str != NULL && rec->opts.uid == UINT_MAX - 1) + goto out_free_fd; + + if (rec->opts.target_pid) rec->opts.target_tid = rec->opts.target_pid; if (perf_evlist__create_maps(evsel_list, rec->opts.target_pid, - rec->opts.target_tid, rec->opts.cpu_list) < 0) + rec->opts.target_tid, rec->opts.uid, + rec->opts.cpu_list) < 0) usage_with_options(record_usage, record_options); list_for_each_entry(pos, &evsel_list->entries, node) { diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 25d34d483e4..2e317438980 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -40,7 +40,7 @@ struct perf_report { struct perf_tool tool; struct perf_session *session; char const *input_name; - bool force, use_tui, use_stdio; + bool force, use_tui, use_gtk, use_stdio; bool hide_unresolved; bool dont_use_callchains; bool show_full_info; @@ -50,9 +50,86 @@ struct perf_report { const char *pretty_printing_style; symbol_filter_t annotate_init; const char *cpu_list; + const char *symbol_filter_str; DECLARE_BITMAP(cpu_bitmap, MAX_NR_CPUS); }; +static int perf_report__add_branch_hist_entry(struct perf_tool *tool, + struct addr_location *al, + struct perf_sample *sample, + struct perf_evsel *evsel, + struct machine *machine) +{ + struct perf_report *rep = container_of(tool, struct perf_report, tool); + struct symbol *parent = NULL; + int err = 0; + unsigned i; + struct hist_entry *he; + struct branch_info *bi, *bx; + + if ((sort__has_parent || symbol_conf.use_callchain) + && sample->callchain) { + err = machine__resolve_callchain(machine, evsel, al->thread, + sample->callchain, &parent); + if (err) + return err; + } + + bi = machine__resolve_bstack(machine, al->thread, + sample->branch_stack); + if (!bi) + return -ENOMEM; + + for (i = 0; i < sample->branch_stack->nr; i++) { + if (rep->hide_unresolved && !(bi[i].from.sym && bi[i].to.sym)) + continue; + /* + * The report shows the percentage of total branches captured + * and not events sampled. Thus we use a pseudo period of 1. + */ + he = __hists__add_branch_entry(&evsel->hists, al, parent, + &bi[i], 1); + if (he) { + struct annotation *notes; + err = -ENOMEM; + bx = he->branch_info; + if (bx->from.sym && use_browser > 0) { + notes = symbol__annotation(bx->from.sym); + if (!notes->src + && symbol__alloc_hist(bx->from.sym) < 0) + goto out; + + err = symbol__inc_addr_samples(bx->from.sym, + bx->from.map, + evsel->idx, + bx->from.al_addr); + if (err) + goto out; + } + + if (bx->to.sym && use_browser > 0) { + notes = symbol__annotation(bx->to.sym); + if (!notes->src + && symbol__alloc_hist(bx->to.sym) < 0) + goto out; + + err = symbol__inc_addr_samples(bx->to.sym, + bx->to.map, + evsel->idx, + bx->to.al_addr); + if (err) + goto out; + } + evsel->hists.stats.total_period += 1; + hists__inc_nr_events(&evsel->hists, PERF_RECORD_SAMPLE); + err = 0; + } else + return -ENOMEM; + } +out: + return err; +} + static int perf_evsel__add_hist_entry(struct perf_evsel *evsel, struct addr_location *al, struct perf_sample *sample, @@ -126,14 +203,21 @@ static int process_sample_event(struct perf_tool *tool, if (rep->cpu_list && !test_bit(sample->cpu, rep->cpu_bitmap)) return 0; - if (al.map != NULL) - al.map->dso->hit = 1; + if (sort__branch_mode == 1) { + if (perf_report__add_branch_hist_entry(tool, &al, sample, + evsel, machine)) { + pr_debug("problem adding lbr entry, skipping event\n"); + return -1; + } + } else { + if (al.map != NULL) + al.map->dso->hit = 1; - if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) { - pr_debug("problem incrementing symbol period, skipping event\n"); - return -1; + if (perf_evsel__add_hist_entry(evsel, &al, sample, machine)) { + pr_debug("problem incrementing symbol period, skipping event\n"); + return -1; + } } - return 0; } @@ -188,6 +272,15 @@ static int perf_report__setup_sample_type(struct perf_report *rep) } } + if (sort__branch_mode == 1) { + if (!(self->sample_type & PERF_SAMPLE_BRANCH_STACK)) { + fprintf(stderr, "selected -b but no branch data." + " Did you call perf record without" + " -b?\n"); + return -1; + } + } + return 0; } @@ -246,7 +339,7 @@ static int __cmd_report(struct perf_report *rep) { int ret = -EINVAL; u64 nr_samples; - struct perf_session *session; + struct perf_session *session = rep->session; struct perf_evsel *pos; struct map *kernel_map; struct kmap *kernel_kmap; @@ -254,13 +347,6 @@ static int __cmd_report(struct perf_report *rep) signal(SIGINT, sig_handler); - session = perf_session__new(rep->input_name, O_RDONLY, - rep->force, false, &rep->tool); - if (session == NULL) - return -ENOMEM; - - rep->session = session; - if (rep->cpu_list) { ret = perf_session__cpu_bitmap(session, rep->cpu_list, rep->cpu_bitmap); @@ -315,6 +401,9 @@ static int __cmd_report(struct perf_report *rep) list_for_each_entry(pos, &session->evlist->entries, node) { struct hists *hists = &pos->hists; + if (pos->idx == 0) + hists->symbol_filter_str = rep->symbol_filter_str; + hists__collapse_resort(hists); hists__output_resort(hists); nr_samples += hists->stats.nr_events[PERF_RECORD_SAMPLE]; @@ -326,8 +415,13 @@ static int __cmd_report(struct perf_report *rep) } if (use_browser > 0) { - perf_evlist__tui_browse_hists(session->evlist, help, - NULL, NULL, 0); + if (use_browser == 1) { + perf_evlist__tui_browse_hists(session->evlist, help, + NULL, NULL, 0); + } else if (use_browser == 2) { + perf_evlist__gtk_browse_hists(session->evlist, help, + NULL, NULL, 0); + } } else perf_evlist__tty_browse_hists(session->evlist, rep, help); @@ -427,9 +521,19 @@ setup: return 0; } +static int +parse_branch_mode(const struct option *opt __used, const char *str __used, int unset) +{ + sort__branch_mode = !unset; + return 0; +} + int cmd_report(int argc, const char **argv, const char *prefix __used) { + struct perf_session *session; struct stat st; + bool has_br_stack = false; + int ret = -1; char callchain_default_opt[] = "fractal,0.5,callee"; const char * const report_usage[] = { "perf report [<options>]", @@ -474,10 +578,12 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) OPT_STRING(0, "pretty", &report.pretty_printing_style, "key", "pretty printing style key: normal raw"), OPT_BOOLEAN(0, "tui", &report.use_tui, "Use the TUI interface"), + OPT_BOOLEAN(0, "gtk", &report.use_gtk, "Use the GTK2 interface"), OPT_BOOLEAN(0, "stdio", &report.use_stdio, "Use the stdio interface"), OPT_STRING('s', "sort", &sort_order, "key[,key2...]", - "sort by key(s): pid, comm, dso, symbol, parent"), + "sort by key(s): pid, comm, dso, symbol, parent, dso_to," + " dso_from, symbol_to, symbol_from, mispredict"), OPT_BOOLEAN(0, "showcpuutilization", &symbol_conf.show_cpu_utilization, "Show sample percentage for different cpu modes"), OPT_STRING('p', "parent", &parent_pattern, "regex", @@ -495,6 +601,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) "only consider symbols in these comms"), OPT_STRING('S', "symbols", &symbol_conf.sym_list_str, "symbol[,symbol...]", "only consider these symbols"), + OPT_STRING(0, "symbol-filter", &report.symbol_filter_str, "filter", + "only show symbols that (partially) match with this filter"), OPT_STRING('w', "column-widths", &symbol_conf.col_width_list_str, "width[,width...]", "don't try to adjust column width, use these fixed values"), @@ -517,6 +625,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) "Specify disassembler style (e.g. -M intel for intel syntax)"), OPT_BOOLEAN(0, "show-total-period", &symbol_conf.show_total_period, "Show a column with the sum of periods"), + OPT_CALLBACK_NOOPT('b', "branch-stack", &sort__branch_mode, "", + "use branch records for histogram filling", parse_branch_mode), OPT_END() }; @@ -526,6 +636,8 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) use_browser = 0; else if (report.use_tui) use_browser = 1; + else if (report.use_gtk) + use_browser = 2; if (report.inverted_callchain) callchain_param.order = ORDER_CALLER; @@ -536,11 +648,39 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) else report.input_name = "perf.data"; } + session = perf_session__new(report.input_name, O_RDONLY, + report.force, false, &report.tool); + if (session == NULL) + return -ENOMEM; - if (strcmp(report.input_name, "-") != 0) - setup_browser(true); - else + report.session = session; + + has_br_stack = perf_header__has_feat(&session->header, + HEADER_BRANCH_STACK); + + if (sort__branch_mode == -1 && has_br_stack) + sort__branch_mode = 1; + + /* sort__branch_mode could be 0 if --no-branch-stack */ + if (sort__branch_mode == 1) { + /* + * if no sort_order is provided, then specify + * branch-mode specific order + */ + if (sort_order == default_sort_order) + sort_order = "comm,dso_from,symbol_from," + "dso_to,symbol_to"; + + } + + if (strcmp(report.input_name, "-") != 0) { + if (report.use_gtk) + perf_gtk_setup_browser(argc, argv, true); + else + setup_browser(true); + } else { use_browser = 0; + } /* * Only in the newt browser we are doing integrated annotation, @@ -568,13 +708,13 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) } if (symbol__init() < 0) - return -1; + goto error; setup_sorting(report_usage, options); if (parent_pattern != default_parent_pattern) { if (sort_dimension__add("parent") < 0) - return -1; + goto error; /* * Only show the parent fields if we explicitly @@ -586,15 +726,31 @@ int cmd_report(int argc, const char **argv, const char *prefix __used) } else symbol_conf.exclude_other = false; - /* - * Any (unrecognized) arguments left? - */ - if (argc) - usage_with_options(report_usage, options); + if (argc) { + /* + * Special case: if there's an argument left then assume that + * it's a symbol filter: + */ + if (argc > 1) + usage_with_options(report_usage, options); + + report.symbol_filter_str = argv[0]; + } - sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); sort_entry__setup_elide(&sort_comm, symbol_conf.comm_list, "comm", stdout); - sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); - return __cmd_report(&report); + if (sort__branch_mode == 1) { + sort_entry__setup_elide(&sort_dso_from, symbol_conf.dso_from_list, "dso_from", stdout); + sort_entry__setup_elide(&sort_dso_to, symbol_conf.dso_to_list, "dso_to", stdout); + sort_entry__setup_elide(&sort_sym_from, symbol_conf.sym_from_list, "sym_from", stdout); + sort_entry__setup_elide(&sort_sym_to, symbol_conf.sym_to_list, "sym_to", stdout); + } else { + sort_entry__setup_elide(&sort_dso, symbol_conf.dso_list, "dso", stdout); + sort_entry__setup_elide(&sort_sym, symbol_conf.sym_list, "symbol", stdout); + } + + ret = __cmd_report(&report); +error: + perf_session__delete(session); + return ret; } diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index bb68ddf257b..d4ce733b9eb 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -40,6 +40,7 @@ enum perf_output_field { PERF_OUTPUT_SYM = 1U << 8, PERF_OUTPUT_DSO = 1U << 9, PERF_OUTPUT_ADDR = 1U << 10, + PERF_OUTPUT_SYMOFFSET = 1U << 11, }; struct output_option { @@ -57,6 +58,7 @@ struct output_option { {.str = "sym", .field = PERF_OUTPUT_SYM}, {.str = "dso", .field = PERF_OUTPUT_DSO}, {.str = "addr", .field = PERF_OUTPUT_ADDR}, + {.str = "symoff", .field = PERF_OUTPUT_SYMOFFSET}, }; /* default set to maintain compatibility with current format */ @@ -193,6 +195,11 @@ static int perf_evsel__check_attr(struct perf_evsel *evsel, "to symbols.\n"); return -EINVAL; } + if (PRINT_FIELD(SYMOFFSET) && !PRINT_FIELD(SYM)) { + pr_err("Display of offsets requested but symbol is not" + "selected.\n"); + return -EINVAL; + } if (PRINT_FIELD(DSO) && !PRINT_FIELD(IP) && !PRINT_FIELD(ADDR)) { pr_err("Display of DSO requested but neither sample IP nor " "sample address\nis selected. Hence, no addresses to convert " @@ -300,10 +307,17 @@ static void print_sample_start(struct perf_sample *sample, } else evname = __event_name(attr->type, attr->config); - printf("%s: ", evname ? evname : "(unknown)"); + printf("%s: ", evname ? evname : "[unknown]"); } } +static bool is_bts_event(struct perf_event_attr *attr) +{ + return ((attr->type == PERF_TYPE_HARDWARE) && + (attr->config & PERF_COUNT_HW_BRANCH_INSTRUCTIONS) && + (attr->sample_period == 1)); +} + static bool sample_addr_correlates_sym(struct perf_event_attr *attr) { if ((attr->type == PERF_TYPE_SOFTWARE) && @@ -312,6 +326,9 @@ static bool sample_addr_correlates_sym(struct perf_event_attr *attr) (attr->config == PERF_COUNT_SW_PAGE_FAULTS_MAJ))) return true; + if (is_bts_event(attr)) + return true; + return false; } @@ -323,7 +340,6 @@ static void print_sample_addr(union perf_event *event, { struct addr_location al; u8 cpumode = event->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - const char *symname, *dsoname; printf("%16" PRIx64, sample->addr); @@ -343,22 +359,46 @@ static void print_sample_addr(union perf_event *event, al.sym = map__find_symbol(al.map, al.addr, NULL); if (PRINT_FIELD(SYM)) { - if (al.sym && al.sym->name) - symname = al.sym->name; + printf(" "); + if (PRINT_FIELD(SYMOFFSET)) + symbol__fprintf_symname_offs(al.sym, &al, stdout); else - symname = ""; - - printf(" %16s", symname); + symbol__fprintf_symname(al.sym, stdout); } if (PRINT_FIELD(DSO)) { - if (al.map && al.map->dso && al.map->dso->name) - dsoname = al.map->dso->name; - else - dsoname = ""; + printf(" ("); + map__fprintf_dsoname(al.map, stdout); + printf(")"); + } +} - printf(" (%s)", dsoname); +static void print_sample_bts(union perf_event *event, + struct perf_sample *sample, + struct perf_evsel *evsel, + struct machine *machine, + struct thread *thread) +{ + struct perf_event_attr *attr = &evsel->attr; + + /* print branch_from information */ + if (PRINT_FIELD(IP)) { + if (!symbol_conf.use_callchain) + printf(" "); + else + printf("\n"); + perf_event__print_ip(event, sample, machine, evsel, + PRINT_FIELD(SYM), PRINT_FIELD(DSO), + PRINT_FIELD(SYMOFFSET)); } + + printf(" => "); + + /* print branch_to information */ + if (PRINT_FIELD(ADDR)) + print_sample_addr(event, sample, machine, thread, attr); + + printf("\n"); } static void process_event(union perf_event *event __unused, @@ -374,6 +414,11 @@ static void process_event(union perf_event *event __unused, print_sample_start(sample, thread, attr); + if (is_bts_event(attr)) { + print_sample_bts(event, sample, evsel, machine, thread); + return; + } + if (PRINT_FIELD(TRACE)) print_trace_event(sample->cpu, sample->raw_data, sample->raw_size); @@ -387,7 +432,8 @@ static void process_event(union perf_event *event __unused, else printf("\n"); perf_event__print_ip(event, sample, machine, evsel, - PRINT_FIELD(SYM), PRINT_FIELD(DSO)); + PRINT_FIELD(SYM), PRINT_FIELD(DSO), + PRINT_FIELD(SYMOFFSET)); } printf("\n"); @@ -1097,7 +1143,10 @@ static const struct option options[] = { OPT_STRING(0, "symfs", &symbol_conf.symfs, "directory", "Look for files with symbols relative to this directory"), OPT_CALLBACK('f', "fields", NULL, "str", - "comma separated output fields prepend with 'type:'. Valid types: hw,sw,trace,raw. Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso,addr", + "comma separated output fields prepend with 'type:'. " + "Valid types: hw,sw,trace,raw. " + "Fields: comm,tid,pid,time,cpu,event,trace,ip,sym,dso," + "addr,symoff", parse_output_fields), OPT_BOOLEAN('a', "all-cpus", &system_wide, "system-wide collection from all CPUs"), @@ -1106,6 +1155,9 @@ static const struct option options[] = { "only display events for these comms"), OPT_BOOLEAN('I', "show-info", &show_full_info, "display extended information from perf.data file"), + OPT_BOOLEAN('\0', "show-kernel-path", &symbol_conf.show_kernel_path, + "Show the path of [kernel.kallsyms]"), + OPT_END() }; diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index f5d2a63eba6..c941bb640f4 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -182,8 +182,8 @@ static int run_count = 1; static bool no_inherit = false; static bool scale = true; static bool no_aggr = false; -static pid_t target_pid = -1; -static pid_t target_tid = -1; +static const char *target_pid; +static const char *target_tid; static pid_t child_pid = -1; static bool null_run = false; static int detailed_run = 0; @@ -296,7 +296,7 @@ static int create_perf_stat_counter(struct perf_evsel *evsel, if (system_wide) return perf_evsel__open_per_cpu(evsel, evsel_list->cpus, group, group_fd); - if (target_pid == -1 && target_tid == -1) { + if (!target_pid && !target_tid && (!group || evsel == first)) { attr->disabled = 1; attr->enable_on_exec = 1; } @@ -446,7 +446,7 @@ static int run_perf_stat(int argc __used, const char **argv) exit(-1); } - if (target_tid == -1 && target_pid == -1 && !system_wide) + if (!target_tid && !target_pid && !system_wide) evsel_list->threads->map[0] = child_pid; /* @@ -576,6 +576,8 @@ static void nsec_printout(int cpu, struct perf_evsel *evsel, double avg) if (perf_evsel__match(evsel, SOFTWARE, SW_TASK_CLOCK)) fprintf(output, " # %8.3f CPUs utilized ", avg / avg_stats(&walltime_nsecs_stats)); + else + fprintf(output, " "); } /* used for get_ratio_color() */ @@ -844,12 +846,18 @@ static void abs_printout(int cpu, struct perf_evsel *evsel, double avg) fprintf(output, " # %8.3f GHz ", ratio); } else if (runtime_nsecs_stats[cpu].n != 0) { + char unit = 'M'; + total = avg_stats(&runtime_nsecs_stats[cpu]); if (total) ratio = 1000.0 * avg / total; + if (ratio < 0.001) { + ratio *= 1000; + unit = 'K'; + } - fprintf(output, " # %8.3f M/sec ", ratio); + fprintf(output, " # %8.3f %c/sec ", ratio, unit); } else { fprintf(output, " "); } @@ -960,14 +968,14 @@ static void print_stat(int argc, const char **argv) if (!csv_output) { fprintf(output, "\n"); fprintf(output, " Performance counter stats for "); - if(target_pid == -1 && target_tid == -1) { + if (!target_pid && !target_tid) { fprintf(output, "\'%s", argv[0]); for (i = 1; i < argc; i++) fprintf(output, " %s", argv[i]); - } else if (target_pid != -1) - fprintf(output, "process id \'%d", target_pid); + } else if (target_pid) + fprintf(output, "process id \'%s", target_pid); else - fprintf(output, "thread id \'%d", target_tid); + fprintf(output, "thread id \'%s", target_tid); fprintf(output, "\'"); if (run_count > 1) @@ -1041,10 +1049,10 @@ static const struct option options[] = { "event filter", parse_filter), OPT_BOOLEAN('i', "no-inherit", &no_inherit, "child tasks do not inherit counters"), - OPT_INTEGER('p', "pid", &target_pid, - "stat events on existing process id"), - OPT_INTEGER('t', "tid", &target_tid, - "stat events on existing thread id"), + OPT_STRING('p', "pid", &target_pid, "pid", + "stat events on existing process id"), + OPT_STRING('t', "tid", &target_tid, "tid", + "stat events on existing thread id"), OPT_BOOLEAN('a', "all-cpus", &system_wide, "system-wide collection from all CPUs"), OPT_BOOLEAN('g', "group", &group, @@ -1182,7 +1190,7 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) } else if (big_num_opt == 0) /* User passed --no-big-num */ big_num = false; - if (!argc && target_pid == -1 && target_tid == -1) + if (!argc && !target_pid && !target_tid) usage_with_options(stat_usage, options); if (run_count <= 0) usage_with_options(stat_usage, options); @@ -1198,10 +1206,11 @@ int cmd_stat(int argc, const char **argv, const char *prefix __used) if (add_default_attributes()) goto out; - if (target_pid != -1) + if (target_pid) target_tid = target_pid; - evsel_list->threads = thread_map__new(target_pid, target_tid); + evsel_list->threads = thread_map__new_str(target_pid, + target_tid, UINT_MAX); if (evsel_list->threads == NULL) { pr_err("Problems finding threads of monitor\n"); usage_with_options(stat_usage, options); diff --git a/tools/perf/builtin-test.c b/tools/perf/builtin-test.c index 3854e869dce..86874238a35 100644 --- a/tools/perf/builtin-test.c +++ b/tools/perf/builtin-test.c @@ -13,8 +13,11 @@ #include "util/parse-events.h" #include "util/symbol.h" #include "util/thread_map.h" +#include "util/pmu.h" #include "../../include/linux/hw_breakpoint.h" +#include <sys/mman.h> + static int vmlinux_matches_kallsyms_filter(struct map *map __used, struct symbol *sym) { bool *visited = symbol__priv(sym); @@ -276,7 +279,7 @@ static int test__open_syscall_event(void) return -1; } - threads = thread_map__new(-1, getpid()); + threads = thread_map__new(-1, getpid(), UINT_MAX); if (threads == NULL) { pr_debug("thread_map__new\n"); return -1; @@ -342,7 +345,7 @@ static int test__open_syscall_event_on_all_cpus(void) return -1; } - threads = thread_map__new(-1, getpid()); + threads = thread_map__new(-1, getpid(), UINT_MAX); if (threads == NULL) { pr_debug("thread_map__new\n"); return -1; @@ -490,7 +493,7 @@ static int test__basic_mmap(void) expected_nr_events[i] = random() % 257; } - threads = thread_map__new(-1, getpid()); + threads = thread_map__new(-1, getpid(), UINT_MAX); if (threads == NULL) { pr_debug("thread_map__new\n"); return -1; @@ -648,7 +651,7 @@ static int test__checkevent_raw(struct perf_evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries); TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type); - TEST_ASSERT_VAL("wrong config", 1 == evsel->attr.config); + TEST_ASSERT_VAL("wrong config", 0x1a == evsel->attr.config); return 0; } @@ -675,6 +678,24 @@ static int test__checkevent_symbolic_name(struct perf_evlist *evlist) return 0; } +static int test__checkevent_symbolic_name_config(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel = list_entry(evlist->entries.next, + struct perf_evsel, node); + + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries); + TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type); + TEST_ASSERT_VAL("wrong config", + PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config); + TEST_ASSERT_VAL("wrong period", + 100000 == evsel->attr.sample_period); + TEST_ASSERT_VAL("wrong config1", + 0 == evsel->attr.config1); + TEST_ASSERT_VAL("wrong config2", + 1 == evsel->attr.config2); + return 0; +} + static int test__checkevent_symbolic_alias(struct perf_evlist *evlist) { struct perf_evsel *evsel = list_entry(evlist->entries.next, @@ -856,6 +877,22 @@ static int test__checkevent_genhw_modifier(struct perf_evlist *evlist) return test__checkevent_genhw(evlist); } +static int test__checkevent_pmu(struct perf_evlist *evlist) +{ + + struct perf_evsel *evsel = list_entry(evlist->entries.next, + struct perf_evsel, node); + + TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->nr_entries); + TEST_ASSERT_VAL("wrong type", PERF_TYPE_RAW == evsel->attr.type); + TEST_ASSERT_VAL("wrong config", 10 == evsel->attr.config); + TEST_ASSERT_VAL("wrong config1", 1 == evsel->attr.config1); + TEST_ASSERT_VAL("wrong config2", 3 == evsel->attr.config2); + TEST_ASSERT_VAL("wrong period", 1000 == evsel->attr.sample_period); + + return 0; +} + static struct test__event_st { const char *name; __u32 type; @@ -870,7 +907,7 @@ static struct test__event_st { .check = test__checkevent_tracepoint_multi, }, { - .name = "r1", + .name = "r1a", .check = test__checkevent_raw, }, { @@ -882,6 +919,10 @@ static struct test__event_st { .check = test__checkevent_symbolic_name, }, { + .name = "cycles/period=100000,config2/", + .check = test__checkevent_symbolic_name_config, + }, + { .name = "faults", .check = test__checkevent_symbolic_alias, }, @@ -914,7 +955,7 @@ static struct test__event_st { .check = test__checkevent_tracepoint_multi_modifier, }, { - .name = "r1:kp", + .name = "r1a:kp", .check = test__checkevent_raw_modifier, }, { @@ -933,6 +974,10 @@ static struct test__event_st { .name = "L1-dcache-load-miss:kp", .check = test__checkevent_genhw_modifier, }, + { + .name = "cpu/config=10,config1,config2=3,period=1000/u", + .check = test__checkevent_pmu, + }, }; #define TEST__EVENTS_CNT (sizeof(test__events) / sizeof(struct test__event_st)) @@ -1008,12 +1053,9 @@ realloc: static int test__PERF_RECORD(void) { struct perf_record_opts opts = { - .target_pid = -1, - .target_tid = -1, .no_delay = true, .freq = 10, .mmap_pages = 256, - .sample_id_all_avail = true, }; cpu_set_t *cpu_mask = NULL; size_t cpu_mask_size = 0; @@ -1054,7 +1096,7 @@ static int test__PERF_RECORD(void) * we're monitoring, the one forked there. */ err = perf_evlist__create_maps(evlist, opts.target_pid, - opts.target_tid, opts.cpu_list); + opts.target_tid, UINT_MAX, opts.cpu_list); if (err < 0) { pr_debug("Not enough memory to create thread/cpu maps\n"); goto out_delete_evlist; @@ -1296,6 +1338,178 @@ out: return (err < 0 || errs > 0) ? -1 : 0; } + +#if defined(__x86_64__) || defined(__i386__) + +#define barrier() asm volatile("" ::: "memory") + +static u64 rdpmc(unsigned int counter) +{ + unsigned int low, high; + + asm volatile("rdpmc" : "=a" (low), "=d" (high) : "c" (counter)); + + return low | ((u64)high) << 32; +} + +static u64 rdtsc(void) +{ + unsigned int low, high; + + asm volatile("rdtsc" : "=a" (low), "=d" (high)); + + return low | ((u64)high) << 32; +} + +static u64 mmap_read_self(void *addr) +{ + struct perf_event_mmap_page *pc = addr; + u32 seq, idx, time_mult = 0, time_shift = 0; + u64 count, cyc = 0, time_offset = 0, enabled, running, delta; + + do { + seq = pc->lock; + barrier(); + + enabled = pc->time_enabled; + running = pc->time_running; + + if (enabled != running) { + cyc = rdtsc(); + time_mult = pc->time_mult; + time_shift = pc->time_shift; + time_offset = pc->time_offset; + } + + idx = pc->index; + count = pc->offset; + if (idx) + count += rdpmc(idx - 1); + + barrier(); + } while (pc->lock != seq); + + if (enabled != running) { + u64 quot, rem; + + quot = (cyc >> time_shift); + rem = cyc & ((1 << time_shift) - 1); + delta = time_offset + quot * time_mult + + ((rem * time_mult) >> time_shift); + + enabled += delta; + if (idx) + running += delta; + + quot = count / running; + rem = count % running; + count = quot * enabled + (rem * enabled) / running; + } + + return count; +} + +/* + * If the RDPMC instruction faults then signal this back to the test parent task: + */ +static void segfault_handler(int sig __used, siginfo_t *info __used, void *uc __used) +{ + exit(-1); +} + +static int __test__rdpmc(void) +{ + long page_size = sysconf(_SC_PAGE_SIZE); + volatile int tmp = 0; + u64 i, loops = 1000; + int n; + int fd; + void *addr; + struct perf_event_attr attr = { + .type = PERF_TYPE_HARDWARE, + .config = PERF_COUNT_HW_INSTRUCTIONS, + .exclude_kernel = 1, + }; + u64 delta_sum = 0; + struct sigaction sa; + + sigfillset(&sa.sa_mask); + sa.sa_sigaction = segfault_handler; + sigaction(SIGSEGV, &sa, NULL); + + fprintf(stderr, "\n\n"); + + fd = sys_perf_event_open(&attr, 0, -1, -1, 0); + if (fd < 0) { + die("Error: sys_perf_event_open() syscall returned " + "with %d (%s)\n", fd, strerror(errno)); + } + + addr = mmap(NULL, page_size, PROT_READ, MAP_SHARED, fd, 0); + if (addr == (void *)(-1)) { + die("Error: mmap() syscall returned " + "with (%s)\n", strerror(errno)); + } + + for (n = 0; n < 6; n++) { + u64 stamp, now, delta; + + stamp = mmap_read_self(addr); + + for (i = 0; i < loops; i++) + tmp++; + + now = mmap_read_self(addr); + loops *= 10; + + delta = now - stamp; + fprintf(stderr, "%14d: %14Lu\n", n, (long long)delta); + + delta_sum += delta; + } + + munmap(addr, page_size); + close(fd); + + fprintf(stderr, " "); + + if (!delta_sum) + return -1; + + return 0; +} + +static int test__rdpmc(void) +{ + int status = 0; + int wret = 0; + int ret; + int pid; + + pid = fork(); + if (pid < 0) + return -1; + + if (!pid) { + ret = __test__rdpmc(); + + exit(ret); + } + + wret = waitpid(pid, &status, 0); + if (wret < 0 || status) + return -1; + + return 0; +} + +#endif + +static int test__perf_pmu(void) +{ + return perf_pmu__test(); +} + static struct test { const char *desc; int (*func)(void); @@ -1320,11 +1534,21 @@ static struct test { .desc = "parse events tests", .func = test__parse_events, }, +#if defined(__x86_64__) || defined(__i386__) + { + .desc = "x86 rdpmc test", + .func = test__rdpmc, + }, +#endif { .desc = "Validate PERF_RECORD_* events & perf_sample fields", .func = test__PERF_RECORD, }, { + .desc = "Test perf pmu format parsing", + .func = test__perf_pmu, + }, + { .func = NULL, }, }; @@ -1412,7 +1636,5 @@ int cmd_test(int argc, const char **argv, const char *prefix __used) if (symbol__init() < 0) return -1; - setup_pager(); - return __cmd_test(argc, argv); } diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c index ecff31257eb..e3c63aef8ef 100644 --- a/tools/perf/builtin-top.c +++ b/tools/perf/builtin-top.c @@ -64,7 +64,6 @@ #include <linux/unistd.h> #include <linux/types.h> - void get_term_dimensions(struct winsize *ws) { char *s = getenv("LINES"); @@ -544,10 +543,20 @@ static void perf_top__sort_new_samples(void *arg) static void *display_thread_tui(void *arg) { + struct perf_evsel *pos; struct perf_top *top = arg; const char *help = "For a higher level overview, try: perf top --sort comm,dso"; perf_top__sort_new_samples(top); + + /* + * Initialize the uid_filter_str, in the future the TUI will allow + * Zooming in/out UIDs. For now juse use whatever the user passed + * via --uid. + */ + list_for_each_entry(pos, &top->evlist->entries, node) + pos->hists.uid_filter_str = top->uid_str; + perf_evlist__tui_browse_hists(top->evlist, help, perf_top__sort_new_samples, top, top->delay_secs); @@ -668,6 +677,12 @@ static void perf_event__process_sample(struct perf_tool *tool, return; } + if (!machine) { + pr_err("%u unprocessable samples recorded.", + top->session->hists.stats.nr_unprocessable_samples++); + return; + } + if (event->header.misc & PERF_RECORD_MISC_EXACT_IP) top->exact_samples++; @@ -861,7 +876,7 @@ fallback_missing_features: if (top->exclude_guest_missing) attr->exclude_guest = attr->exclude_host = 0; retry_sample_id: - attr->sample_id_all = top->sample_id_all_avail ? 1 : 0; + attr->sample_id_all = top->sample_id_all_missing ? 0 : 1; try_again: if (perf_evsel__open(counter, top->evlist->cpus, top->evlist->threads, top->group, @@ -878,11 +893,11 @@ try_again: "guest or host samples.\n"); top->exclude_guest_missing = true; goto fallback_missing_features; - } else if (top->sample_id_all_avail) { + } else if (!top->sample_id_all_missing) { /* * Old kernel, no attr->sample_id_type_all field */ - top->sample_id_all_avail = false; + top->sample_id_all_missing = true; goto retry_sample_id; } } @@ -967,7 +982,7 @@ static int __cmd_top(struct perf_top *top) if (ret) goto out_delete; - if (top->target_tid != -1) + if (top->target_tid || top->uid != UINT_MAX) perf_event__synthesize_thread_map(&top->tool, top->evlist->threads, perf_event__process, &top->session->host_machine); @@ -1105,10 +1120,8 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) struct perf_top top = { .count_filter = 5, .delay_secs = 2, - .target_pid = -1, - .target_tid = -1, + .uid = UINT_MAX, .freq = 1000, /* 1 KHz */ - .sample_id_all_avail = true, .mmap_pages = 128, .sym_pcnt_filter = 5, }; @@ -1119,9 +1132,9 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) parse_events_option), OPT_INTEGER('c', "count", &top.default_interval, "event period to sample"), - OPT_INTEGER('p', "pid", &top.target_pid, + OPT_STRING('p', "pid", &top.target_pid, "pid", "profile events on existing process id"), - OPT_INTEGER('t', "tid", &top.target_tid, + OPT_STRING('t', "tid", &top.target_tid, "tid", "profile events on existing thread id"), OPT_BOOLEAN('a', "all-cpus", &top.system_wide, "system-wide collection from all CPUs"), @@ -1180,6 +1193,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) "Display raw encoding of assembly instructions (default)"), OPT_STRING('M', "disassembler-style", &disassembler_style, "disassembler style", "Specify disassembler style (e.g. -M intel for intel syntax)"), + OPT_STRING('u', "uid", &top.uid_str, "user", "user to profile"), OPT_END() }; @@ -1205,18 +1219,22 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) setup_browser(false); + top.uid = parse_target_uid(top.uid_str, top.target_tid, top.target_pid); + if (top.uid_str != NULL && top.uid == UINT_MAX - 1) + goto out_delete_evlist; + /* CPU and PID are mutually exclusive */ - if (top.target_tid > 0 && top.cpu_list) { + if (top.target_tid && top.cpu_list) { printf("WARNING: PID switch overriding CPU\n"); sleep(1); top.cpu_list = NULL; } - if (top.target_pid != -1) + if (top.target_pid) top.target_tid = top.target_pid; if (perf_evlist__create_maps(top.evlist, top.target_pid, - top.target_tid, top.cpu_list) < 0) + top.target_tid, top.uid, top.cpu_list) < 0) usage_with_options(top_usage, options); if (!top.evlist->nr_entries && @@ -1280,6 +1298,7 @@ int cmd_top(int argc, const char **argv, const char *prefix __used) status = __cmd_top(&top); +out_delete_evlist: perf_evlist__delete(top.evlist); return status; diff --git a/tools/perf/config/feature-tests.mak b/tools/perf/config/feature-tests.mak index 6170fd2531b..d9084e03ce5 100644 --- a/tools/perf/config/feature-tests.mak +++ b/tools/perf/config/feature-tests.mak @@ -65,6 +65,21 @@ int main(void) endef endif +ifndef NO_GTK2 +define SOURCE_GTK2 +#pragma GCC diagnostic ignored \"-Wstrict-prototypes\" +#include <gtk/gtk.h> +#pragma GCC diagnostic error \"-Wstrict-prototypes\" + +int main(int argc, char *argv[]) +{ + gtk_init(&argc, &argv); + + return 0; +} +endef +endif + ifndef NO_LIBPERL define SOURCE_PERL_EMBED #include <EXTERN.h> diff --git a/tools/perf/perf.h b/tools/perf/perf.h index 3afa39ac1d4..89e3355ab17 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -173,7 +173,6 @@ sys_perf_event_open(struct perf_event_attr *attr, pid_t pid, int cpu, int group_fd, unsigned long flags) { - attr->size = sizeof(*attr); return syscall(__NR_perf_event_open, attr, pid, cpu, group_fd, flags); } @@ -186,14 +185,32 @@ struct ip_callchain { u64 ips[0]; }; +struct branch_flags { + u64 mispred:1; + u64 predicted:1; + u64 reserved:62; +}; + +struct branch_entry { + u64 from; + u64 to; + struct branch_flags flags; +}; + +struct branch_stack { + u64 nr; + struct branch_entry entries[0]; +}; + extern bool perf_host, perf_guest; extern const char perf_version_string[]; void pthread__unblock_sigwinch(void); struct perf_record_opts { - pid_t target_pid; - pid_t target_tid; + const char *target_pid; + const char *target_tid; + uid_t uid; bool call_graph; bool group; bool inherit_stat; @@ -204,13 +221,14 @@ struct perf_record_opts { bool raw_samples; bool sample_address; bool sample_time; - bool sample_id_all_avail; + bool sample_id_all_missing; bool exclude_guest_missing; bool system_wide; bool period; unsigned int freq; unsigned int mmap_pages; unsigned int user_freq; + int branch_stack; u64 default_interval; u64 user_interval; const char *cpu_list; diff --git a/tools/perf/python/twatch.py b/tools/perf/python/twatch.py index df638c438a9..b11cca58423 100755 --- a/tools/perf/python/twatch.py +++ b/tools/perf/python/twatch.py @@ -19,7 +19,7 @@ def main(): cpus = perf.cpu_map() threads = perf.thread_map() evsel = perf.evsel(task = 1, comm = 1, mmap = 0, - wakeup_events = 1, sample_period = 1, + wakeup_events = 1, watermark = 1, sample_id_all = 1, sample_type = perf.SAMPLE_PERIOD | perf.SAMPLE_TID | perf.SAMPLE_CPU | perf.SAMPLE_TID) evsel.open(cpus = cpus, threads = threads); diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index 011ed267660..e5a462f1d07 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -315,7 +315,7 @@ fallback: "Please use:\n\n" " perf buildid-cache -av vmlinux\n\n" "or:\n\n" - " --vmlinux vmlinux", + " --vmlinux vmlinux\n", sym->name, build_id_msg ?: ""); goto out_free_filename; } diff --git a/tools/perf/util/bitmap.c b/tools/perf/util/bitmap.c index 5e230acae1e..0a1adc1111f 100644 --- a/tools/perf/util/bitmap.c +++ b/tools/perf/util/bitmap.c @@ -19,3 +19,13 @@ int __bitmap_weight(const unsigned long *bitmap, int bits) return w; } + +void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, + const unsigned long *bitmap2, int bits) +{ + int k; + int nr = BITS_TO_LONGS(bits); + + for (k = 0; k < nr; k++) + dst[k] = bitmap1[k] | bitmap2[k]; +} diff --git a/tools/perf/util/cache.h b/tools/perf/util/cache.h index fc5e5a09d5b..8dd224df3e5 100644 --- a/tools/perf/util/cache.h +++ b/tools/perf/util/cache.h @@ -45,6 +45,18 @@ void setup_browser(bool fallback_to_pager); void exit_browser(bool wait_for_ok); #endif +#ifdef NO_GTK2_SUPPORT +static inline void perf_gtk_setup_browser(int argc __used, const char *argv[] __used, bool fallback_to_pager) +{ + if (fallback_to_pager) + setup_pager(); +} +static inline void perf_gtk_exit_browser(bool wait_for_ok __used) {} +#else +void perf_gtk_setup_browser(int argc, const char *argv[], bool fallback_to_pager); +void perf_gtk_exit_browser(bool wait_for_ok); +#endif + char *alias_lookup(const char *alias); int split_cmdline(char *cmdline, const char ***argv); diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c index 6893eec693a..adc72f09914 100644 --- a/tools/perf/util/cpumap.c +++ b/tools/perf/util/cpumap.c @@ -166,6 +166,17 @@ out: return cpus; } +size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp) +{ + int i; + size_t printed = fprintf(fp, "%d cpu%s: ", + map->nr, map->nr > 1 ? "s" : ""); + for (i = 0; i < map->nr; ++i) + printed += fprintf(fp, "%s%d", i ? ", " : "", map->map[i]); + + return printed + fprintf(fp, "\n"); +} + struct cpu_map *cpu_map__dummy_new(void) { struct cpu_map *cpus = malloc(sizeof(*cpus) + sizeof(int)); diff --git a/tools/perf/util/cpumap.h b/tools/perf/util/cpumap.h index 072c0a37479..c41518573c6 100644 --- a/tools/perf/util/cpumap.h +++ b/tools/perf/util/cpumap.h @@ -1,6 +1,8 @@ #ifndef __PERF_CPUMAP_H #define __PERF_CPUMAP_H +#include <stdio.h> + struct cpu_map { int nr; int map[]; @@ -10,4 +12,6 @@ struct cpu_map *cpu_map__new(const char *cpu_list); struct cpu_map *cpu_map__dummy_new(void); void cpu_map__delete(struct cpu_map *map); +size_t cpu_map__fprintf(struct cpu_map *map, FILE *fp); + #endif /* __PERF_CPUMAP_H */ diff --git a/tools/perf/util/ctype.c b/tools/perf/util/ctype.c index 35073621e5d..aada3ac5e89 100644 --- a/tools/perf/util/ctype.c +++ b/tools/perf/util/ctype.c @@ -3,7 +3,7 @@ * * No surprises, and works with signed and unsigned chars. */ -#include "cache.h" +#include "util.h" enum { S = GIT_SPACE, diff --git a/tools/perf/util/debugfs.c b/tools/perf/util/debugfs.c index ffc35e748e8..dd8b19319c0 100644 --- a/tools/perf/util/debugfs.c +++ b/tools/perf/util/debugfs.c @@ -15,32 +15,6 @@ static const char *debugfs_known_mountpoints[] = { 0, }; -/* use this to force a umount */ -void debugfs_force_cleanup(void) -{ - debugfs_find_mountpoint(); - debugfs_premounted = 0; - debugfs_umount(); -} - -/* construct a full path to a debugfs element */ -int debugfs_make_path(const char *element, char *buffer, int size) -{ - int len; - - if (strlen(debugfs_mountpoint) == 0) { - buffer[0] = '\0'; - return -1; - } - - len = strlen(debugfs_mountpoint) + strlen(element) + 1; - if (len >= size) - return len+1; - - snprintf(buffer, size-1, "%s/%s", debugfs_mountpoint, element); - return 0; -} - static int debugfs_found; /* find the path to the mounted debugfs */ @@ -97,17 +71,6 @@ int debugfs_valid_mountpoint(const char *debugfs) return 0; } - -int debugfs_valid_entry(const char *path) -{ - struct stat st; - - if (stat(path, &st)) - return -errno; - - return 0; -} - static void debugfs_set_tracing_events_path(const char *mountpoint) { snprintf(tracing_events_path, sizeof(tracing_events_path), "%s/%s", @@ -149,107 +112,3 @@ void debugfs_set_path(const char *mountpoint) snprintf(debugfs_mountpoint, sizeof(debugfs_mountpoint), "%s", mountpoint); debugfs_set_tracing_events_path(mountpoint); } - -/* umount the debugfs */ - -int debugfs_umount(void) -{ - char umountcmd[128]; - int ret; - - /* if it was already mounted, leave it */ - if (debugfs_premounted) - return 0; - - /* make sure it's a valid mount point */ - ret = debugfs_valid_mountpoint(debugfs_mountpoint); - if (ret) - return ret; - - snprintf(umountcmd, sizeof(umountcmd), - "/bin/umount %s", debugfs_mountpoint); - return system(umountcmd); -} - -int debugfs_write(const char *entry, const char *value) -{ - char path[PATH_MAX + 1]; - int ret, count; - int fd; - - /* construct the path */ - snprintf(path, sizeof(path), "%s/%s", debugfs_mountpoint, entry); - - /* verify that it exists */ - ret = debugfs_valid_entry(path); - if (ret) - return ret; - - /* get how many chars we're going to write */ - count = strlen(value); - - /* open the debugfs entry */ - fd = open(path, O_RDWR); - if (fd < 0) - return -errno; - - while (count > 0) { - /* write it */ - ret = write(fd, value, count); - if (ret <= 0) { - if (ret == EAGAIN) - continue; - close(fd); - return -errno; - } - count -= ret; - } - - /* close it */ - close(fd); - - /* return success */ - return 0; -} - -/* - * read a debugfs entry - * returns the number of chars read or a negative errno - */ -int debugfs_read(const char *entry, char *buffer, size_t size) -{ - char path[PATH_MAX + 1]; - int ret; - int fd; - - /* construct the path */ - snprintf(path, sizeof(path), "%s/%s", debugfs_mountpoint, entry); - - /* verify that it exists */ - ret = debugfs_valid_entry(path); - if (ret) - return ret; - - /* open the debugfs entry */ - fd = open(path, O_RDONLY); - if (fd < 0) - return -errno; - - do { - /* read it */ - ret = read(fd, buffer, size); - if (ret == 0) { - close(fd); - return EOF; - } - } while (ret < 0 && errno == EAGAIN); - - /* close it */ - close(fd); - - /* make *sure* there's a null character at the end */ - buffer[ret] = '\0'; - - /* return the number of chars read */ - return ret; -} diff --git a/tools/perf/util/debugfs.h b/tools/perf/util/debugfs.h index 4a878f735eb..68f3e87ec57 100644 --- a/tools/perf/util/debugfs.h +++ b/tools/perf/util/debugfs.h @@ -3,14 +3,8 @@ const char *debugfs_find_mountpoint(void); int debugfs_valid_mountpoint(const char *debugfs); -int debugfs_valid_entry(const char *path); char *debugfs_mount(const char *mountpoint); -int debugfs_umount(void); void debugfs_set_path(const char *mountpoint); -int debugfs_write(const char *entry, const char *value); -int debugfs_read(const char *entry, char *buffer, size_t size); -void debugfs_force_cleanup(void); -int debugfs_make_path(const char *element, char *buffer, int size); extern char debugfs_mountpoint[]; extern char tracing_events_path[]; diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index cbdeaad9c5e..1b197280c62 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -81,6 +81,7 @@ struct perf_sample { u32 raw_size; void *raw_data; struct ip_callchain *callchain; + struct branch_stack *branch_stack; }; #define BUILD_ID_SIZE 20 diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index ea32a061f1c..1986d8051bd 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -51,13 +51,15 @@ struct perf_evlist *perf_evlist__new(struct cpu_map *cpus, void perf_evlist__config_attrs(struct perf_evlist *evlist, struct perf_record_opts *opts) { - struct perf_evsel *evsel; + struct perf_evsel *evsel, *first; if (evlist->cpus->map[0] < 0) opts->no_inherit = true; + first = list_entry(evlist->entries.next, struct perf_evsel, node); + list_for_each_entry(evsel, &evlist->entries, node) { - perf_evsel__config(evsel, opts); + perf_evsel__config(evsel, opts, first); if (evlist->nr_entries > 1) evsel->attr.sample_type |= PERF_SAMPLE_ID; @@ -97,9 +99,9 @@ void perf_evlist__add(struct perf_evlist *evlist, struct perf_evsel *entry) ++evlist->nr_entries; } -static void perf_evlist__splice_list_tail(struct perf_evlist *evlist, - struct list_head *list, - int nr_entries) +void perf_evlist__splice_list_tail(struct perf_evlist *evlist, + struct list_head *list, + int nr_entries) { list_splice_tail(list, &evlist->entries); evlist->nr_entries += nr_entries; @@ -597,15 +599,15 @@ int perf_evlist__mmap(struct perf_evlist *evlist, unsigned int pages, return perf_evlist__mmap_per_cpu(evlist, prot, mask); } -int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid, - pid_t target_tid, const char *cpu_list) +int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid, + const char *target_tid, uid_t uid, const char *cpu_list) { - evlist->threads = thread_map__new(target_pid, target_tid); + evlist->threads = thread_map__new_str(target_pid, target_tid, uid); if (evlist->threads == NULL) return -1; - if (cpu_list == NULL && target_tid != -1) + if (uid != UINT_MAX || (cpu_list == NULL && target_tid)) evlist->cpus = cpu_map__dummy_new(); else evlist->cpus = cpu_map__new(cpu_list); @@ -765,6 +767,7 @@ out_err: list_for_each_entry_reverse(evsel, &evlist->entries, node) perf_evsel__close(evsel, ncpus, nthreads); + errno = -err; return err; } @@ -824,7 +827,7 @@ int perf_evlist__prepare_workload(struct perf_evlist *evlist, exit(-1); } - if (!opts->system_wide && opts->target_tid == -1 && opts->target_pid == -1) + if (!opts->system_wide && !opts->target_tid && !opts->target_pid) evlist->threads->map[0] = evlist->workload.pid; close(child_ready_pipe[1]); diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 8922aeed046..21f1c9e57f1 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -106,8 +106,8 @@ static inline void perf_evlist__set_maps(struct perf_evlist *evlist, evlist->threads = threads; } -int perf_evlist__create_maps(struct perf_evlist *evlist, pid_t target_pid, - pid_t target_tid, const char *cpu_list); +int perf_evlist__create_maps(struct perf_evlist *evlist, const char *target_pid, + const char *tid, uid_t uid, const char *cpu_list); void perf_evlist__delete_maps(struct perf_evlist *evlist); int perf_evlist__set_filters(struct perf_evlist *evlist); @@ -117,4 +117,9 @@ u16 perf_evlist__id_hdr_size(const struct perf_evlist *evlist); bool perf_evlist__valid_sample_type(const struct perf_evlist *evlist); bool perf_evlist__valid_sample_id_all(const struct perf_evlist *evlist); + +void perf_evlist__splice_list_tail(struct perf_evlist *evlist, + struct list_head *list, + int nr_entries); + #endif /* __PERF_EVLIST_H */ diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c index 7132ee834e0..0221700075c 100644 --- a/tools/perf/util/evsel.c +++ b/tools/perf/util/evsel.c @@ -63,12 +63,13 @@ struct perf_evsel *perf_evsel__new(struct perf_event_attr *attr, int idx) return evsel; } -void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts) +void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts, + struct perf_evsel *first) { struct perf_event_attr *attr = &evsel->attr; int track = !evsel->idx; /* only the first counter needs these */ - attr->sample_id_all = opts->sample_id_all_avail ? 1 : 0; + attr->sample_id_all = opts->sample_id_all_missing ? 0 : 1; attr->inherit = !opts->no_inherit; attr->read_format = PERF_FORMAT_TOTAL_TIME_ENABLED | PERF_FORMAT_TOTAL_TIME_RUNNING | @@ -111,7 +112,7 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts) if (opts->period) attr->sample_type |= PERF_SAMPLE_PERIOD; - if (opts->sample_id_all_avail && + if (!opts->sample_id_all_missing && (opts->sample_time || opts->system_wide || !opts->no_inherit || opts->cpu_list)) attr->sample_type |= PERF_SAMPLE_TIME; @@ -126,11 +127,16 @@ void perf_evsel__config(struct perf_evsel *evsel, struct perf_record_opts *opts) attr->watermark = 0; attr->wakeup_events = 1; } + if (opts->branch_stack) { + attr->sample_type |= PERF_SAMPLE_BRANCH_STACK; + attr->branch_sample_type = opts->branch_stack; + } attr->mmap = track; attr->comm = track; - if (opts->target_pid == -1 && opts->target_tid == -1 && !opts->system_wide) { + if (!opts->target_pid && !opts->target_tid && !opts->system_wide && + (!opts->group || evsel == first)) { attr->disabled = 1; attr->enable_on_exec = 1; } @@ -536,7 +542,7 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, } if (type & PERF_SAMPLE_READ) { - fprintf(stderr, "PERF_SAMPLE_READ is unsuported for now\n"); + fprintf(stderr, "PERF_SAMPLE_READ is unsupported for now\n"); return -1; } @@ -576,6 +582,16 @@ int perf_event__parse_sample(const union perf_event *event, u64 type, data->raw_data = (void *) pdata; } + if (type & PERF_SAMPLE_BRANCH_STACK) { + u64 sz; + + data->branch_stack = (struct branch_stack *)array; + array++; /* nr */ + + sz = data->branch_stack->nr * sizeof(struct branch_entry); + sz /= sizeof(u64); + array += sz; + } return 0; } diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h index 326b8e4d503..3158ca3d69a 100644 --- a/tools/perf/util/evsel.h +++ b/tools/perf/util/evsel.h @@ -80,7 +80,8 @@ void perf_evsel__exit(struct perf_evsel *evsel); void perf_evsel__delete(struct perf_evsel *evsel); void perf_evsel__config(struct perf_evsel *evsel, - struct perf_record_opts *opts); + struct perf_record_opts *opts, + struct perf_evsel *first); int perf_evsel__alloc_fd(struct perf_evsel *evsel, int ncpus, int nthreads); int perf_evsel__alloc_id(struct perf_evsel *evsel, int ncpus, int nthreads); diff --git a/tools/perf/util/gtk/browser.c b/tools/perf/util/gtk/browser.c new file mode 100644 index 00000000000..258352a2356 --- /dev/null +++ b/tools/perf/util/gtk/browser.c @@ -0,0 +1,189 @@ +#include "../evlist.h" +#include "../cache.h" +#include "../evsel.h" +#include "../sort.h" +#include "../hist.h" +#include "gtk.h" + +#include <signal.h> + +#define MAX_COLUMNS 32 + +void perf_gtk_setup_browser(int argc, const char *argv[], + bool fallback_to_pager __used) +{ + gtk_init(&argc, (char ***)&argv); +} + +void perf_gtk_exit_browser(bool wait_for_ok __used) +{ + gtk_main_quit(); +} + +static void perf_gtk_signal(int sig) +{ + psignal(sig, "perf"); + gtk_main_quit(); +} + +static void perf_gtk_resize_window(GtkWidget *window) +{ + GdkRectangle rect; + GdkScreen *screen; + int monitor; + int height; + int width; + + screen = gtk_widget_get_screen(window); + + monitor = gdk_screen_get_monitor_at_window(screen, window->window); + + gdk_screen_get_monitor_geometry(screen, monitor, &rect); + + width = rect.width * 3 / 4; + height = rect.height * 3 / 4; + + gtk_window_resize(GTK_WINDOW(window), width, height); +} + +static void perf_gtk_show_hists(GtkWidget *window, struct hists *hists) +{ + GType col_types[MAX_COLUMNS]; + GtkCellRenderer *renderer; + struct sort_entry *se; + GtkListStore *store; + struct rb_node *nd; + u64 total_period; + GtkWidget *view; + int col_idx; + int nr_cols; + + nr_cols = 0; + + /* The percentage column */ + col_types[nr_cols++] = G_TYPE_STRING; + + list_for_each_entry(se, &hist_entry__sort_list, list) { + if (se->elide) + continue; + + col_types[nr_cols++] = G_TYPE_STRING; + } + + store = gtk_list_store_newv(nr_cols, col_types); + + view = gtk_tree_view_new(); + + renderer = gtk_cell_renderer_text_new(); + + col_idx = 0; + + /* The percentage column */ + gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view), + -1, "Overhead (%)", + renderer, "text", + col_idx++, NULL); + + list_for_each_entry(se, &hist_entry__sort_list, list) { + if (se->elide) + continue; + + gtk_tree_view_insert_column_with_attributes(GTK_TREE_VIEW(view), + -1, se->se_header, + renderer, "text", + col_idx++, NULL); + } + + gtk_tree_view_set_model(GTK_TREE_VIEW(view), GTK_TREE_MODEL(store)); + + g_object_unref(GTK_TREE_MODEL(store)); + + total_period = hists->stats.total_period; + + for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + GtkTreeIter iter; + double percent; + char s[512]; + + if (h->filtered) + continue; + + gtk_list_store_append(store, &iter); + + col_idx = 0; + + percent = (h->period * 100.0) / total_period; + + snprintf(s, ARRAY_SIZE(s), "%.2f", percent); + + gtk_list_store_set(store, &iter, col_idx++, s, -1); + + list_for_each_entry(se, &hist_entry__sort_list, list) { + if (se->elide) + continue; + + se->se_snprintf(h, s, ARRAY_SIZE(s), + hists__col_len(hists, se->se_width_idx)); + + gtk_list_store_set(store, &iter, col_idx++, s, -1); + } + } + + gtk_container_add(GTK_CONTAINER(window), view); +} + +int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, + const char *help __used, + void (*timer) (void *arg)__used, + void *arg __used, int delay_secs __used) +{ + struct perf_evsel *pos; + GtkWidget *notebook; + GtkWidget *window; + + signal(SIGSEGV, perf_gtk_signal); + signal(SIGFPE, perf_gtk_signal); + signal(SIGINT, perf_gtk_signal); + signal(SIGQUIT, perf_gtk_signal); + signal(SIGTERM, perf_gtk_signal); + + window = gtk_window_new(GTK_WINDOW_TOPLEVEL); + + gtk_window_set_title(GTK_WINDOW(window), "perf report"); + + g_signal_connect(window, "delete_event", gtk_main_quit, NULL); + + notebook = gtk_notebook_new(); + + list_for_each_entry(pos, &evlist->entries, node) { + struct hists *hists = &pos->hists; + const char *evname = event_name(pos); + GtkWidget *scrolled_window; + GtkWidget *tab_label; + + scrolled_window = gtk_scrolled_window_new(NULL, NULL); + + gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(scrolled_window), + GTK_POLICY_AUTOMATIC, + GTK_POLICY_AUTOMATIC); + + perf_gtk_show_hists(scrolled_window, hists); + + tab_label = gtk_label_new(evname); + + gtk_notebook_append_page(GTK_NOTEBOOK(notebook), scrolled_window, tab_label); + } + + gtk_container_add(GTK_CONTAINER(window), notebook); + + gtk_widget_show_all(window); + + perf_gtk_resize_window(window); + + gtk_window_set_position(GTK_WINDOW(window), GTK_WIN_POS_CENTER); + + gtk_main(); + + return 0; +} diff --git a/tools/perf/util/gtk/gtk.h b/tools/perf/util/gtk/gtk.h new file mode 100644 index 00000000000..75177ee0403 --- /dev/null +++ b/tools/perf/util/gtk/gtk.h @@ -0,0 +1,8 @@ +#ifndef _PERF_GTK_H_ +#define _PERF_GTK_H_ 1 + +#pragma GCC diagnostic ignored "-Wstrict-prototypes" +#include <gtk/gtk.h> +#pragma GCC diagnostic error "-Wstrict-prototypes" + +#endif /* _PERF_GTK_H_ */ diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 14bb035c5fd..fcd9cf3ea63 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -63,9 +63,20 @@ char *perf_header__find_event(u64 id) return NULL; } -static const char *__perf_magic = "PERFFILE"; +/* + * magic2 = "PERFILE2" + * must be a numerical value to let the endianness + * determine the memory layout. That way we are able + * to detect endianness when reading the perf.data file + * back. + * + * we check for legacy (PERFFILE) format. + */ +static const char *__perf_magic1 = "PERFFILE"; +static const u64 __perf_magic2 = 0x32454c4946524550ULL; +static const u64 __perf_magic2_sw = 0x50455246494c4532ULL; -#define PERF_MAGIC (*(u64 *)__perf_magic) +#define PERF_MAGIC __perf_magic2 struct perf_file_attr { struct perf_event_attr attr; @@ -1012,6 +1023,12 @@ write_it: return do_write_string(fd, buffer); } +static int write_branch_stack(int fd __used, struct perf_header *h __used, + struct perf_evlist *evlist __used) +{ + return 0; +} + static void print_hostname(struct perf_header *ph, int fd, FILE *fp) { char *str = do_read_string(fd, ph); @@ -1133,8 +1150,9 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp) uint64_t id; void *buf = NULL; char *str; - u32 nre, sz, nr, i, j, msz; - int ret; + u32 nre, sz, nr, i, j; + ssize_t ret; + size_t msz; /* number of events */ ret = read(fd, &nre, sizeof(nre)); @@ -1151,25 +1169,23 @@ static void print_event_desc(struct perf_header *ph, int fd, FILE *fp) if (ph->needs_swap) sz = bswap_32(sz); - /* - * ensure it is at least to our ABI rev - */ - if (sz < (u32)sizeof(attr)) - goto error; - memset(&attr, 0, sizeof(attr)); - /* read entire region to sync up to next field */ + /* buffer to hold on file attr struct */ buf = malloc(sz); if (!buf) goto error; msz = sizeof(attr); - if (sz < msz) + if (sz < (ssize_t)msz) msz = sz; for (i = 0 ; i < nre; i++) { + /* + * must read entire on-file attr struct to + * sync up with layout. + */ ret = read(fd, buf, sz); if (ret != (ssize_t)sz) goto error; @@ -1305,25 +1321,204 @@ static void print_cpuid(struct perf_header *ph, int fd, FILE *fp) free(str); } +static void print_branch_stack(struct perf_header *ph __used, int fd __used, + FILE *fp) +{ + fprintf(fp, "# contains samples with branch stack\n"); +} + +static int __event_process_build_id(struct build_id_event *bev, + char *filename, + struct perf_session *session) +{ + int err = -1; + struct list_head *head; + struct machine *machine; + u16 misc; + struct dso *dso; + enum dso_kernel_type dso_type; + + machine = perf_session__findnew_machine(session, bev->pid); + if (!machine) + goto out; + + misc = bev->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; + + switch (misc) { + case PERF_RECORD_MISC_KERNEL: + dso_type = DSO_TYPE_KERNEL; + head = &machine->kernel_dsos; + break; + case PERF_RECORD_MISC_GUEST_KERNEL: + dso_type = DSO_TYPE_GUEST_KERNEL; + head = &machine->kernel_dsos; + break; + case PERF_RECORD_MISC_USER: + case PERF_RECORD_MISC_GUEST_USER: + dso_type = DSO_TYPE_USER; + head = &machine->user_dsos; + break; + default: + goto out; + } + + dso = __dsos__findnew(head, filename); + if (dso != NULL) { + char sbuild_id[BUILD_ID_SIZE * 2 + 1]; + + dso__set_build_id(dso, &bev->build_id); + + if (filename[0] == '[') + dso->kernel = dso_type; + + build_id__sprintf(dso->build_id, sizeof(dso->build_id), + sbuild_id); + pr_debug("build id event received for %s: %s\n", + dso->long_name, sbuild_id); + } + + err = 0; +out: + return err; +} + +static int perf_header__read_build_ids_abi_quirk(struct perf_header *header, + int input, u64 offset, u64 size) +{ + struct perf_session *session = container_of(header, struct perf_session, header); + struct { + struct perf_event_header header; + u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))]; + char filename[0]; + } old_bev; + struct build_id_event bev; + char filename[PATH_MAX]; + u64 limit = offset + size; + + while (offset < limit) { + ssize_t len; + + if (read(input, &old_bev, sizeof(old_bev)) != sizeof(old_bev)) + return -1; + + if (header->needs_swap) + perf_event_header__bswap(&old_bev.header); + + len = old_bev.header.size - sizeof(old_bev); + if (read(input, filename, len) != len) + return -1; + + bev.header = old_bev.header; + + /* + * As the pid is the missing value, we need to fill + * it properly. The header.misc value give us nice hint. + */ + bev.pid = HOST_KERNEL_ID; + if (bev.header.misc == PERF_RECORD_MISC_GUEST_USER || + bev.header.misc == PERF_RECORD_MISC_GUEST_KERNEL) + bev.pid = DEFAULT_GUEST_KERNEL_ID; + + memcpy(bev.build_id, old_bev.build_id, sizeof(bev.build_id)); + __event_process_build_id(&bev, filename, session); + + offset += bev.header.size; + } + + return 0; +} + +static int perf_header__read_build_ids(struct perf_header *header, + int input, u64 offset, u64 size) +{ + struct perf_session *session = container_of(header, struct perf_session, header); + struct build_id_event bev; + char filename[PATH_MAX]; + u64 limit = offset + size, orig_offset = offset; + int err = -1; + + while (offset < limit) { + ssize_t len; + + if (read(input, &bev, sizeof(bev)) != sizeof(bev)) + goto out; + + if (header->needs_swap) + perf_event_header__bswap(&bev.header); + + len = bev.header.size - sizeof(bev); + if (read(input, filename, len) != len) + goto out; + /* + * The a1645ce1 changeset: + * + * "perf: 'perf kvm' tool for monitoring guest performance from host" + * + * Added a field to struct build_id_event that broke the file + * format. + * + * Since the kernel build-id is the first entry, process the + * table using the old format if the well known + * '[kernel.kallsyms]' string for the kernel build-id has the + * first 4 characters chopped off (where the pid_t sits). + */ + if (memcmp(filename, "nel.kallsyms]", 13) == 0) { + if (lseek(input, orig_offset, SEEK_SET) == (off_t)-1) + return -1; + return perf_header__read_build_ids_abi_quirk(header, input, offset, size); + } + + __event_process_build_id(&bev, filename, session); + + offset += bev.header.size; + } + err = 0; +out: + return err; +} + +static int process_trace_info(struct perf_file_section *section __unused, + struct perf_header *ph __unused, + int feat __unused, int fd) +{ + trace_report(fd, false); + return 0; +} + +static int process_build_id(struct perf_file_section *section, + struct perf_header *ph, + int feat __unused, int fd) +{ + if (perf_header__read_build_ids(ph, fd, section->offset, section->size)) + pr_debug("Failed to read buildids, continuing...\n"); + return 0; +} + struct feature_ops { int (*write)(int fd, struct perf_header *h, struct perf_evlist *evlist); void (*print)(struct perf_header *h, int fd, FILE *fp); + int (*process)(struct perf_file_section *section, + struct perf_header *h, int feat, int fd); const char *name; bool full_only; }; #define FEAT_OPA(n, func) \ [n] = { .name = #n, .write = write_##func, .print = print_##func } +#define FEAT_OPP(n, func) \ + [n] = { .name = #n, .write = write_##func, .print = print_##func, \ + .process = process_##func } #define FEAT_OPF(n, func) \ - [n] = { .name = #n, .write = write_##func, .print = print_##func, .full_only = true } + [n] = { .name = #n, .write = write_##func, .print = print_##func, \ + .full_only = true } /* feature_ops not implemented: */ #define print_trace_info NULL #define print_build_id NULL static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = { - FEAT_OPA(HEADER_TRACE_INFO, trace_info), - FEAT_OPA(HEADER_BUILD_ID, build_id), + FEAT_OPP(HEADER_TRACE_INFO, trace_info), + FEAT_OPP(HEADER_BUILD_ID, build_id), FEAT_OPA(HEADER_HOSTNAME, hostname), FEAT_OPA(HEADER_OSRELEASE, osrelease), FEAT_OPA(HEADER_VERSION, version), @@ -1336,6 +1531,7 @@ static const struct feature_ops feat_ops[HEADER_LAST_FEATURE] = { FEAT_OPA(HEADER_CMDLINE, cmdline), FEAT_OPF(HEADER_CPU_TOPOLOGY, cpu_topology), FEAT_OPF(HEADER_NUMA_TOPOLOGY, numa_topology), + FEAT_OPA(HEADER_BRANCH_STACK, branch_stack), }; struct header_print_data { @@ -1620,24 +1816,128 @@ out_free: return err; } +static const int attr_file_abi_sizes[] = { + [0] = PERF_ATTR_SIZE_VER0, + [1] = PERF_ATTR_SIZE_VER1, + 0, +}; + +/* + * In the legacy file format, the magic number is not used to encode endianness. + * hdr_sz was used to encode endianness. But given that hdr_sz can vary based + * on ABI revisions, we need to try all combinations for all endianness to + * detect the endianness. + */ +static int try_all_file_abis(uint64_t hdr_sz, struct perf_header *ph) +{ + uint64_t ref_size, attr_size; + int i; + + for (i = 0 ; attr_file_abi_sizes[i]; i++) { + ref_size = attr_file_abi_sizes[i] + + sizeof(struct perf_file_section); + if (hdr_sz != ref_size) { + attr_size = bswap_64(hdr_sz); + if (attr_size != ref_size) + continue; + + ph->needs_swap = true; + } + pr_debug("ABI%d perf.data file detected, need_swap=%d\n", + i, + ph->needs_swap); + return 0; + } + /* could not determine endianness */ + return -1; +} + +#define PERF_PIPE_HDR_VER0 16 + +static const size_t attr_pipe_abi_sizes[] = { + [0] = PERF_PIPE_HDR_VER0, + 0, +}; + +/* + * In the legacy pipe format, there is an implicit assumption that endiannesss + * between host recording the samples, and host parsing the samples is the + * same. This is not always the case given that the pipe output may always be + * redirected into a file and analyzed on a different machine with possibly a + * different endianness and perf_event ABI revsions in the perf tool itself. + */ +static int try_all_pipe_abis(uint64_t hdr_sz, struct perf_header *ph) +{ + u64 attr_size; + int i; + + for (i = 0 ; attr_pipe_abi_sizes[i]; i++) { + if (hdr_sz != attr_pipe_abi_sizes[i]) { + attr_size = bswap_64(hdr_sz); + if (attr_size != hdr_sz) + continue; + + ph->needs_swap = true; + } + pr_debug("Pipe ABI%d perf.data file detected\n", i); + return 0; + } + return -1; +} + +static int check_magic_endian(u64 magic, uint64_t hdr_sz, + bool is_pipe, struct perf_header *ph) +{ + int ret; + + /* check for legacy format */ + ret = memcmp(&magic, __perf_magic1, sizeof(magic)); + if (ret == 0) { + pr_debug("legacy perf.data format\n"); + if (is_pipe) + return try_all_pipe_abis(hdr_sz, ph); + + return try_all_file_abis(hdr_sz, ph); + } + /* + * the new magic number serves two purposes: + * - unique number to identify actual perf.data files + * - encode endianness of file + */ + + /* check magic number with one endianness */ + if (magic == __perf_magic2) + return 0; + + /* check magic number with opposite endianness */ + if (magic != __perf_magic2_sw) + return -1; + + ph->needs_swap = true; + + return 0; +} + int perf_file_header__read(struct perf_file_header *header, struct perf_header *ph, int fd) { + int ret; + lseek(fd, 0, SEEK_SET); - if (readn(fd, header, sizeof(*header)) <= 0 || - memcmp(&header->magic, __perf_magic, sizeof(header->magic))) + ret = readn(fd, header, sizeof(*header)); + if (ret <= 0) return -1; - if (header->attr_size != sizeof(struct perf_file_attr)) { - u64 attr_size = bswap_64(header->attr_size); - - if (attr_size != sizeof(struct perf_file_attr)) - return -1; + if (check_magic_endian(header->magic, + header->attr_size, false, ph) < 0) { + pr_debug("magic/endian check failed\n"); + return -1; + } + if (ph->needs_swap) { mem_bswap_64(header, offsetof(struct perf_file_header, - adds_features)); - ph->needs_swap = true; + adds_features)); } if (header->size != sizeof(*header)) { @@ -1689,156 +1989,6 @@ int perf_file_header__read(struct perf_file_header *header, return 0; } -static int __event_process_build_id(struct build_id_event *bev, - char *filename, - struct perf_session *session) -{ - int err = -1; - struct list_head *head; - struct machine *machine; - u16 misc; - struct dso *dso; - enum dso_kernel_type dso_type; - - machine = perf_session__findnew_machine(session, bev->pid); - if (!machine) - goto out; - - misc = bev->header.misc & PERF_RECORD_MISC_CPUMODE_MASK; - - switch (misc) { - case PERF_RECORD_MISC_KERNEL: - dso_type = DSO_TYPE_KERNEL; - head = &machine->kernel_dsos; - break; - case PERF_RECORD_MISC_GUEST_KERNEL: - dso_type = DSO_TYPE_GUEST_KERNEL; - head = &machine->kernel_dsos; - break; - case PERF_RECORD_MISC_USER: - case PERF_RECORD_MISC_GUEST_USER: - dso_type = DSO_TYPE_USER; - head = &machine->user_dsos; - break; - default: - goto out; - } - - dso = __dsos__findnew(head, filename); - if (dso != NULL) { - char sbuild_id[BUILD_ID_SIZE * 2 + 1]; - - dso__set_build_id(dso, &bev->build_id); - - if (filename[0] == '[') - dso->kernel = dso_type; - - build_id__sprintf(dso->build_id, sizeof(dso->build_id), - sbuild_id); - pr_debug("build id event received for %s: %s\n", - dso->long_name, sbuild_id); - } - - err = 0; -out: - return err; -} - -static int perf_header__read_build_ids_abi_quirk(struct perf_header *header, - int input, u64 offset, u64 size) -{ - struct perf_session *session = container_of(header, struct perf_session, header); - struct { - struct perf_event_header header; - u8 build_id[ALIGN(BUILD_ID_SIZE, sizeof(u64))]; - char filename[0]; - } old_bev; - struct build_id_event bev; - char filename[PATH_MAX]; - u64 limit = offset + size; - - while (offset < limit) { - ssize_t len; - - if (read(input, &old_bev, sizeof(old_bev)) != sizeof(old_bev)) - return -1; - - if (header->needs_swap) - perf_event_header__bswap(&old_bev.header); - - len = old_bev.header.size - sizeof(old_bev); - if (read(input, filename, len) != len) - return -1; - - bev.header = old_bev.header; - - /* - * As the pid is the missing value, we need to fill - * it properly. The header.misc value give us nice hint. - */ - bev.pid = HOST_KERNEL_ID; - if (bev.header.misc == PERF_RECORD_MISC_GUEST_USER || - bev.header.misc == PERF_RECORD_MISC_GUEST_KERNEL) - bev.pid = DEFAULT_GUEST_KERNEL_ID; - - memcpy(bev.build_id, old_bev.build_id, sizeof(bev.build_id)); - __event_process_build_id(&bev, filename, session); - - offset += bev.header.size; - } - - return 0; -} - -static int perf_header__read_build_ids(struct perf_header *header, - int input, u64 offset, u64 size) -{ - struct perf_session *session = container_of(header, struct perf_session, header); - struct build_id_event bev; - char filename[PATH_MAX]; - u64 limit = offset + size, orig_offset = offset; - int err = -1; - - while (offset < limit) { - ssize_t len; - - if (read(input, &bev, sizeof(bev)) != sizeof(bev)) - goto out; - - if (header->needs_swap) - perf_event_header__bswap(&bev.header); - - len = bev.header.size - sizeof(bev); - if (read(input, filename, len) != len) - goto out; - /* - * The a1645ce1 changeset: - * - * "perf: 'perf kvm' tool for monitoring guest performance from host" - * - * Added a field to struct build_id_event that broke the file - * format. - * - * Since the kernel build-id is the first entry, process the - * table using the old format if the well known - * '[kernel.kallsyms]' string for the kernel build-id has the - * first 4 characters chopped off (where the pid_t sits). - */ - if (memcmp(filename, "nel.kallsyms]", 13) == 0) { - if (lseek(input, orig_offset, SEEK_SET) == (off_t)-1) - return -1; - return perf_header__read_build_ids_abi_quirk(header, input, offset, size); - } - - __event_process_build_id(&bev, filename, session); - - offset += bev.header.size; - } - err = 0; -out: - return err; -} - static int perf_file_section__process(struct perf_file_section *section, struct perf_header *ph, int feat, int fd, void *data __used) @@ -1854,40 +2004,32 @@ static int perf_file_section__process(struct perf_file_section *section, return 0; } - switch (feat) { - case HEADER_TRACE_INFO: - trace_report(fd, false); - break; - case HEADER_BUILD_ID: - if (perf_header__read_build_ids(ph, fd, section->offset, section->size)) - pr_debug("Failed to read buildids, continuing...\n"); - break; - default: - break; - } + if (!feat_ops[feat].process) + return 0; - return 0; + return feat_ops[feat].process(section, ph, feat, fd); } static int perf_file_header__read_pipe(struct perf_pipe_file_header *header, struct perf_header *ph, int fd, bool repipe) { - if (readn(fd, header, sizeof(*header)) <= 0 || - memcmp(&header->magic, __perf_magic, sizeof(header->magic))) - return -1; + int ret; - if (repipe && do_write(STDOUT_FILENO, header, sizeof(*header)) < 0) + ret = readn(fd, header, sizeof(*header)); + if (ret <= 0) return -1; - if (header->size != sizeof(*header)) { - u64 size = bswap_64(header->size); + if (check_magic_endian(header->magic, header->size, true, ph) < 0) { + pr_debug("endian/magic failed\n"); + return -1; + } - if (size != sizeof(*header)) - return -1; + if (ph->needs_swap) + header->size = bswap_64(header->size); - ph->needs_swap = true; - } + if (repipe && do_write(STDOUT_FILENO, header, sizeof(*header)) < 0) + return -1; return 0; } @@ -1908,6 +2050,52 @@ static int perf_header__read_pipe(struct perf_session *session, int fd) return 0; } +static int read_attr(int fd, struct perf_header *ph, + struct perf_file_attr *f_attr) +{ + struct perf_event_attr *attr = &f_attr->attr; + size_t sz, left; + size_t our_sz = sizeof(f_attr->attr); + int ret; + + memset(f_attr, 0, sizeof(*f_attr)); + + /* read minimal guaranteed structure */ + ret = readn(fd, attr, PERF_ATTR_SIZE_VER0); + if (ret <= 0) { + pr_debug("cannot read %d bytes of header attr\n", + PERF_ATTR_SIZE_VER0); + return -1; + } + + /* on file perf_event_attr size */ + sz = attr->size; + + if (ph->needs_swap) + sz = bswap_32(sz); + + if (sz == 0) { + /* assume ABI0 */ + sz = PERF_ATTR_SIZE_VER0; + } else if (sz > our_sz) { + pr_debug("file uses a more recent and unsupported ABI" + " (%zu bytes extra)\n", sz - our_sz); + return -1; + } + /* what we have not yet read and that we know about */ + left = sz - PERF_ATTR_SIZE_VER0; + if (left) { + void *ptr = attr; + ptr += PERF_ATTR_SIZE_VER0; + + ret = readn(fd, ptr, left); + } + /* read perf_file_section, ids are read in caller */ + ret = readn(fd, &f_attr->ids, sizeof(f_attr->ids)); + + return ret <= 0 ? -1 : 0; +} + int perf_session__read_header(struct perf_session *session, int fd) { struct perf_header *header = &session->header; @@ -1923,19 +2111,17 @@ int perf_session__read_header(struct perf_session *session, int fd) if (session->fd_pipe) return perf_header__read_pipe(session, fd); - if (perf_file_header__read(&f_header, header, fd) < 0) { - pr_debug("incompatible file format\n"); + if (perf_file_header__read(&f_header, header, fd) < 0) return -EINVAL; - } - nr_attrs = f_header.attrs.size / sizeof(f_attr); + nr_attrs = f_header.attrs.size / f_header.attr_size; lseek(fd, f_header.attrs.offset, SEEK_SET); for (i = 0; i < nr_attrs; i++) { struct perf_evsel *evsel; off_t tmp; - if (readn(fd, &f_attr, sizeof(f_attr)) <= 0) + if (read_attr(fd, header, &f_attr) < 0) goto out_errno; if (header->needs_swap) diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index ac4ec956024..21a6be09c12 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -11,6 +11,7 @@ enum { HEADER_RESERVED = 0, /* always cleared */ + HEADER_FIRST_FEATURE = 1, HEADER_TRACE_INFO = 1, HEADER_BUILD_ID, @@ -26,7 +27,7 @@ enum { HEADER_EVENT_DESC, HEADER_CPU_TOPOLOGY, HEADER_NUMA_TOPOLOGY, - + HEADER_BRANCH_STACK, HEADER_LAST_FEATURE, HEADER_FEAT_BITS = 256, }; diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index e11e482bd18..5fb19013ca0 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -10,11 +10,14 @@ static bool hists__filter_entry_by_dso(struct hists *hists, struct hist_entry *he); static bool hists__filter_entry_by_thread(struct hists *hists, struct hist_entry *he); +static bool hists__filter_entry_by_symbol(struct hists *hists, + struct hist_entry *he); enum hist_filter { HIST_FILTER__DSO, HIST_FILTER__THREAD, HIST_FILTER__PARENT, + HIST_FILTER__SYMBOL, }; struct callchain_param callchain_param = { @@ -50,21 +53,25 @@ static void hists__reset_col_len(struct hists *hists) hists__set_col_len(hists, col, 0); } +static void hists__set_unres_dso_col_len(struct hists *hists, int dso) +{ + const unsigned int unresolved_col_width = BITS_PER_LONG / 4; + + if (hists__col_len(hists, dso) < unresolved_col_width && + !symbol_conf.col_width_list_str && !symbol_conf.field_sep && + !symbol_conf.dso_list) + hists__set_col_len(hists, dso, unresolved_col_width); +} + static void hists__calc_col_len(struct hists *hists, struct hist_entry *h) { + const unsigned int unresolved_col_width = BITS_PER_LONG / 4; u16 len; if (h->ms.sym) - hists__new_col_len(hists, HISTC_SYMBOL, h->ms.sym->namelen); - else { - const unsigned int unresolved_col_width = BITS_PER_LONG / 4; - - if (hists__col_len(hists, HISTC_DSO) < unresolved_col_width && - !symbol_conf.col_width_list_str && !symbol_conf.field_sep && - !symbol_conf.dso_list) - hists__set_col_len(hists, HISTC_DSO, - unresolved_col_width); - } + hists__new_col_len(hists, HISTC_SYMBOL, h->ms.sym->namelen + 4); + else + hists__set_unres_dso_col_len(hists, HISTC_DSO); len = thread__comm_len(h->thread); if (hists__new_col_len(hists, HISTC_COMM, len)) @@ -74,6 +81,37 @@ static void hists__calc_col_len(struct hists *hists, struct hist_entry *h) len = dso__name_len(h->ms.map->dso); hists__new_col_len(hists, HISTC_DSO, len); } + + if (h->branch_info) { + int symlen; + /* + * +4 accounts for '[x] ' priv level info + * +2 account of 0x prefix on raw addresses + */ + if (h->branch_info->from.sym) { + symlen = (int)h->branch_info->from.sym->namelen + 4; + hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen); + + symlen = dso__name_len(h->branch_info->from.map->dso); + hists__new_col_len(hists, HISTC_DSO_FROM, symlen); + } else { + symlen = unresolved_col_width + 4 + 2; + hists__new_col_len(hists, HISTC_SYMBOL_FROM, symlen); + hists__set_unres_dso_col_len(hists, HISTC_DSO_FROM); + } + + if (h->branch_info->to.sym) { + symlen = (int)h->branch_info->to.sym->namelen + 4; + hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen); + + symlen = dso__name_len(h->branch_info->to.map->dso); + hists__new_col_len(hists, HISTC_DSO_TO, symlen); + } else { + symlen = unresolved_col_width + 4 + 2; + hists__new_col_len(hists, HISTC_SYMBOL_TO, symlen); + hists__set_unres_dso_col_len(hists, HISTC_DSO_TO); + } + } } static void hist_entry__add_cpumode_period(struct hist_entry *he, @@ -195,26 +233,14 @@ static u8 symbol__parent_filter(const struct symbol *parent) return 0; } -struct hist_entry *__hists__add_entry(struct hists *hists, +static struct hist_entry *add_hist_entry(struct hists *hists, + struct hist_entry *entry, struct addr_location *al, - struct symbol *sym_parent, u64 period) + u64 period) { struct rb_node **p; struct rb_node *parent = NULL; struct hist_entry *he; - struct hist_entry entry = { - .thread = al->thread, - .ms = { - .map = al->map, - .sym = al->sym, - }, - .cpu = al->cpu, - .ip = al->addr, - .level = al->level, - .period = period, - .parent = sym_parent, - .filtered = symbol__parent_filter(sym_parent), - }; int cmp; pthread_mutex_lock(&hists->lock); @@ -225,7 +251,7 @@ struct hist_entry *__hists__add_entry(struct hists *hists, parent = *p; he = rb_entry(parent, struct hist_entry, rb_node_in); - cmp = hist_entry__cmp(&entry, he); + cmp = hist_entry__cmp(entry, he); if (!cmp) { he->period += period; @@ -239,7 +265,7 @@ struct hist_entry *__hists__add_entry(struct hists *hists, p = &(*p)->rb_right; } - he = hist_entry__new(&entry); + he = hist_entry__new(entry); if (!he) goto out_unlock; @@ -252,6 +278,51 @@ out_unlock: return he; } +struct hist_entry *__hists__add_branch_entry(struct hists *self, + struct addr_location *al, + struct symbol *sym_parent, + struct branch_info *bi, + u64 period) +{ + struct hist_entry entry = { + .thread = al->thread, + .ms = { + .map = bi->to.map, + .sym = bi->to.sym, + }, + .cpu = al->cpu, + .ip = bi->to.addr, + .level = al->level, + .period = period, + .parent = sym_parent, + .filtered = symbol__parent_filter(sym_parent), + .branch_info = bi, + }; + + return add_hist_entry(self, &entry, al, period); +} + +struct hist_entry *__hists__add_entry(struct hists *self, + struct addr_location *al, + struct symbol *sym_parent, u64 period) +{ + struct hist_entry entry = { + .thread = al->thread, + .ms = { + .map = al->map, + .sym = al->sym, + }, + .cpu = al->cpu, + .ip = al->addr, + .level = al->level, + .period = period, + .parent = sym_parent, + .filtered = symbol__parent_filter(sym_parent), + }; + + return add_hist_entry(self, &entry, al, period); +} + int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) { @@ -352,6 +423,7 @@ static void hists__apply_filters(struct hists *hists, struct hist_entry *he) { hists__filter_entry_by_dso(hists, he); hists__filter_entry_by_thread(hists, he); + hists__filter_entry_by_symbol(hists, he); } static void __hists__collapse_resort(struct hists *hists, bool threaded) @@ -1179,6 +1251,37 @@ void hists__filter_by_thread(struct hists *hists) } } +static bool hists__filter_entry_by_symbol(struct hists *hists, + struct hist_entry *he) +{ + if (hists->symbol_filter_str != NULL && + (!he->ms.sym || strstr(he->ms.sym->name, + hists->symbol_filter_str) == NULL)) { + he->filtered |= (1 << HIST_FILTER__SYMBOL); + return true; + } + + return false; +} + +void hists__filter_by_symbol(struct hists *hists) +{ + struct rb_node *nd; + + hists->nr_entries = hists->stats.total_period = 0; + hists->stats.nr_events[PERF_RECORD_SAMPLE] = 0; + hists__reset_col_len(hists); + + for (nd = rb_first(&hists->entries); nd; nd = rb_next(nd)) { + struct hist_entry *h = rb_entry(nd, struct hist_entry, rb_node); + + if (hists__filter_entry_by_symbol(hists, h)) + continue; + + hists__remove_entry_filter(hists, h, HIST_FILTER__SYMBOL); + } +} + int hist_entry__inc_addr_samples(struct hist_entry *he, int evidx, u64 ip) { return symbol__inc_addr_samples(he->ms.sym, he->ms.map, evidx, ip); diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index f55f0a8d1f8..2cae9df40e0 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -32,6 +32,7 @@ struct events_stats { u32 nr_unknown_events; u32 nr_invalid_chains; u32 nr_unknown_id; + u32 nr_unprocessable_samples; }; enum hist_column { @@ -41,6 +42,11 @@ enum hist_column { HISTC_COMM, HISTC_PARENT, HISTC_CPU, + HISTC_MISPREDICT, + HISTC_SYMBOL_FROM, + HISTC_SYMBOL_TO, + HISTC_DSO_FROM, + HISTC_DSO_TO, HISTC_NR_COLS, /* Last entry */ }; @@ -55,6 +61,8 @@ struct hists { u64 nr_entries; const struct thread *thread_filter; const struct dso *dso_filter; + const char *uid_filter_str; + const char *symbol_filter_str; pthread_mutex_t lock; struct events_stats stats; u64 event_stream; @@ -72,6 +80,12 @@ int hist_entry__snprintf(struct hist_entry *self, char *bf, size_t size, struct hists *hists); void hist_entry__free(struct hist_entry *); +struct hist_entry *__hists__add_branch_entry(struct hists *self, + struct addr_location *al, + struct symbol *sym_parent, + struct branch_info *bi, + u64 period); + void hists__output_resort(struct hists *self); void hists__output_resort_threaded(struct hists *hists); void hists__collapse_resort(struct hists *self); @@ -94,6 +108,7 @@ int hist_entry__annotate(struct hist_entry *self, size_t privsize); void hists__filter_by_dso(struct hists *hists); void hists__filter_by_thread(struct hists *hists); +void hists__filter_by_symbol(struct hists *hists); u16 hists__col_len(struct hists *self, enum hist_column col); void hists__set_col_len(struct hists *self, enum hist_column col, u16 len); @@ -132,6 +147,23 @@ int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, int refresh); #endif +#ifdef NO_GTK2_SUPPORT +static inline +int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist __used, + const char *help __used, + void(*timer)(void *arg) __used, + void *arg __used, + int refresh __used) +{ + return 0; +} + +#else +int perf_evlist__gtk_browse_hists(struct perf_evlist *evlist, const char *help, + void(*timer)(void *arg), void *arg, + int refresh); +#endif + unsigned int hists__sort_list_width(struct hists *self); #endif /* __PERF_HIST_H */ diff --git a/tools/perf/util/include/asm/dwarf2.h b/tools/perf/util/include/asm/dwarf2.h index bb4198e7837..afe38199e92 100644 --- a/tools/perf/util/include/asm/dwarf2.h +++ b/tools/perf/util/include/asm/dwarf2.h @@ -2,10 +2,12 @@ #ifndef PERF_DWARF2_H #define PERF_DWARF2_H -/* dwarf2.h ... dummy header file for including arch/x86/lib/memcpy_64.S */ +/* dwarf2.h ... dummy header file for including arch/x86/lib/mem{cpy,set}_64.S */ #define CFI_STARTPROC #define CFI_ENDPROC +#define CFI_REMEMBER_STATE +#define CFI_RESTORE_STATE #endif /* PERF_DWARF2_H */ diff --git a/tools/perf/util/include/linux/bitmap.h b/tools/perf/util/include/linux/bitmap.h index eda4416efa0..bb162e40c76 100644 --- a/tools/perf/util/include/linux/bitmap.h +++ b/tools/perf/util/include/linux/bitmap.h @@ -5,6 +5,8 @@ #include <linux/bitops.h> int __bitmap_weight(const unsigned long *bitmap, int bits); +void __bitmap_or(unsigned long *dst, const unsigned long *bitmap1, + const unsigned long *bitmap2, int bits); #define BITMAP_LAST_WORD_MASK(nbits) \ ( \ @@ -32,4 +34,13 @@ static inline int bitmap_weight(const unsigned long *src, int nbits) return __bitmap_weight(src, nbits); } +static inline void bitmap_or(unsigned long *dst, const unsigned long *src1, + const unsigned long *src2, int nbits) +{ + if (small_const_nbits(nbits)) + *dst = *src1 | *src2; + else + __bitmap_or(dst, src1, src2, nbits); +} + #endif /* _PERF_BITOPS_H */ diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 316aa0ab712..dea6d1c1a95 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -212,6 +212,21 @@ size_t map__fprintf(struct map *self, FILE *fp) self->start, self->end, self->pgoff, self->dso->name); } +size_t map__fprintf_dsoname(struct map *map, FILE *fp) +{ + const char *dsoname; + + if (map && map->dso && (map->dso->name || map->dso->long_name)) { + if (symbol_conf.show_kernel_path && map->dso->long_name) + dsoname = map->dso->long_name; + else if (map->dso->name) + dsoname = map->dso->name; + } else + dsoname = "[unknown]"; + + return fprintf(fp, "%s", dsoname); +} + /* * objdump wants/reports absolute IPs for ET_EXEC, and RIPs for ET_DYN. * map->dso->adjust_symbols==1 for ET_EXEC-like cases. diff --git a/tools/perf/util/map.h b/tools/perf/util/map.h index 2b8017f8a93..b100c20b7f9 100644 --- a/tools/perf/util/map.h +++ b/tools/perf/util/map.h @@ -118,6 +118,7 @@ void map__delete(struct map *self); struct map *map__clone(struct map *self); int map__overlap(struct map *l, struct map *r); size_t map__fprintf(struct map *self, FILE *fp); +size_t map__fprintf_dsoname(struct map *map, FILE *fp); int map__load(struct map *self, symbol_filter_t filter); struct symbol *map__find_symbol(struct map *self, diff --git a/tools/perf/util/parse-events-bison.c b/tools/perf/util/parse-events-bison.c new file mode 100644 index 00000000000..4a0fd6d5ceb --- /dev/null +++ b/tools/perf/util/parse-events-bison.c @@ -0,0 +1,1852 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.3" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + +/* Substitute the variable and function names. */ +#define yyparse parse_events_parse +#define yylex parse_events_lex +#define yyerror parse_events_error +#define yylval parse_events_lval +#define yychar parse_events_char +#define yydebug parse_events_debug +#define yynerrs parse_events_nerrs + + +/* Copy the first part of user declarations. */ + +/* Line 189 of yacc.c */ +#line 6 "util/parse-events.y" + + +#define YYDEBUG 1 + +#include <linux/compiler.h> +#include <linux/list.h> +#include "types.h" +#include "util.h" +#include "parse-events.h" + +extern int parse_events_lex (void); + +#define ABORT_ON(val) \ +do { \ + if (val) \ + YYABORT; \ +} while (0) + + + +/* Line 189 of yacc.c */ +#line 101 "util/parse-events-bison.c" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + PE_VALUE = 258, + PE_VALUE_SYM = 259, + PE_RAW = 260, + PE_TERM = 261, + PE_NAME = 262, + PE_MODIFIER_EVENT = 263, + PE_MODIFIER_BP = 264, + PE_NAME_CACHE_TYPE = 265, + PE_NAME_CACHE_OP_RESULT = 266, + PE_PREFIX_MEM = 267, + PE_PREFIX_RAW = 268, + PE_ERROR = 269 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +{ + +/* Line 214 of yacc.c */ +#line 45 "util/parse-events.y" + + char *str; + unsigned long num; + struct list_head *head; + struct parse_events__term *term; + + + +/* Line 214 of yacc.c */ +#line 160 "util/parse-events-bison.c" +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 264 of yacc.c */ +#line 172 "util/parse-events-bison.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 25 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 43 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 20 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 15 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 35 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 57 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 269 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 15, 17, 2, 16, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 18, 2, + 2, 19, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7, 8, 9, 10, 11, 12, 13, 14 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint8 yyprhs[] = +{ + 0, 0, 3, 7, 9, 12, 14, 16, 18, 21, + 23, 26, 29, 32, 37, 42, 45, 51, 55, 57, + 63, 67, 71, 75, 77, 81, 83, 87, 91, 93, + 97, 99, 101, 102, 104, 106 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 21, 0, -1, 21, 15, 22, -1, 22, -1, 23, + 8, -1, 23, -1, 24, -1, 25, -1, 26, 33, + -1, 27, -1, 28, 33, -1, 29, 33, -1, 30, + 33, -1, 7, 16, 31, 16, -1, 4, 16, 31, + 16, -1, 4, 34, -1, 10, 17, 11, 17, 11, + -1, 10, 17, 11, -1, 10, -1, 12, 3, 18, + 9, 33, -1, 12, 3, 33, -1, 7, 18, 7, + -1, 3, 18, 3, -1, 5, -1, 31, 15, 32, + -1, 32, -1, 7, 19, 7, -1, 7, 19, 3, + -1, 7, -1, 6, 19, 3, -1, 6, -1, 18, + -1, -1, 16, -1, 18, -1, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint8 yyrline[] = +{ + 0, 54, 54, 54, 57, 62, 64, 65, 66, 67, + 68, 69, 70, 73, 80, 89, 98, 103, 108, 114, + 119, 125, 131, 137, 143, 153, 165, 174, 183, 192, + 200, 208, 208, 210, 210, 210 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "PE_VALUE", "PE_VALUE_SYM", "PE_RAW", + "PE_TERM", "PE_NAME", "PE_MODIFIER_EVENT", "PE_MODIFIER_BP", + "PE_NAME_CACHE_TYPE", "PE_NAME_CACHE_OP_RESULT", "PE_PREFIX_MEM", + "PE_PREFIX_RAW", "PE_ERROR", "','", "'/'", "'-'", "':'", "'='", + "$accept", "events", "event", "event_def", "event_pmu", + "event_legacy_symbol", "event_legacy_cache", "event_legacy_mem", + "event_legacy_tracepoint", "event_legacy_numeric", "event_legacy_raw", + "event_config", "event_term", "sep_dc", "sep_slash_dc", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 263, 264, + 265, 266, 267, 268, 269, 44, 47, 45, 58, 61 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 20, 21, 21, 22, 22, 23, 23, 23, 23, + 23, 23, 23, 24, 25, 25, 26, 26, 26, 27, + 27, 28, 29, 30, 31, 31, 32, 32, 32, 32, + 32, 33, 33, 34, 34, 34 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 3, 1, 2, 1, 1, 1, 2, 1, + 2, 2, 2, 4, 4, 2, 5, 3, 1, 5, + 3, 3, 3, 1, 3, 1, 3, 3, 1, 3, + 1, 1, 0, 1, 1, 0 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 0, 0, 35, 23, 0, 18, 0, 0, 3, 5, + 6, 7, 32, 9, 32, 32, 32, 0, 33, 34, + 15, 0, 0, 0, 32, 1, 0, 4, 31, 8, + 10, 11, 12, 22, 30, 28, 0, 25, 0, 21, + 17, 31, 20, 2, 0, 0, 0, 14, 13, 0, + 32, 29, 27, 26, 24, 16, 19 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + -1, 7, 8, 9, 10, 11, 12, 13, 14, 15, + 16, 36, 37, 29, 20 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -15 +static const yytype_int8 yypact[] = +{ + 1, -4, -9, -15, -1, 10, 22, 3, -15, 18, + -15, -15, 11, -15, 11, 11, 11, 25, 13, -15, + -15, 13, 23, 20, 14, -15, 1, -15, -15, -15, + -15, -15, -15, -15, 15, 16, 6, -15, 8, -15, + 21, 24, -15, -15, 34, 9, 13, -15, -15, 28, + 11, -15, -15, -15, -15, -15, -15 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -15, -15, 17, -15, -15, -15, -15, -15, -15, -15, + -15, 19, -5, -14, -15 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -1 +static const yytype_uint8 yytable[] = +{ + 30, 31, 32, 25, 1, 2, 3, 18, 4, 19, + 42, 5, 52, 6, 17, 21, 53, 22, 26, 34, + 35, 46, 47, 46, 48, 24, 27, 23, 33, 28, + 39, 40, 41, 50, 44, 45, 56, 51, 49, 55, + 38, 54, 0, 43 +}; + +static const yytype_int8 yycheck[] = +{ + 14, 15, 16, 0, 3, 4, 5, 16, 7, 18, + 24, 10, 3, 12, 18, 16, 7, 18, 15, 6, + 7, 15, 16, 15, 16, 3, 8, 17, 3, 18, + 7, 11, 18, 9, 19, 19, 50, 3, 17, 11, + 21, 46, -1, 26 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 3, 4, 5, 7, 10, 12, 21, 22, 23, + 24, 25, 26, 27, 28, 29, 30, 18, 16, 18, + 34, 16, 18, 17, 3, 0, 15, 8, 18, 33, + 33, 33, 33, 3, 6, 7, 31, 32, 31, 7, + 11, 18, 33, 22, 19, 19, 15, 16, 16, 17, + 9, 3, 3, 7, 32, 11, 33 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (list, idx, YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (YYLEX_PARAM) +#else +# define YYLEX yylex () +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, list, idx); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, struct list_head *list, int *idx) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, list, idx) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + struct list_head *list; + int *idx; +#endif +{ + if (!yyvaluep) + return; + YYUSE (list); + YYUSE (idx); +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, struct list_head *list, int *idx) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, list, idx) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + struct list_head *list; + int *idx; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep, list, idx); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, int yyrule, struct list_head *list, int *idx) +#else +static void +yy_reduce_print (yyvsp, yyrule, list, idx) + YYSTYPE *yyvsp; + int yyrule; + struct list_head *list; + int *idx; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , list, idx); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, Rule, list, idx); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, struct list_head *list, int *idx) +#else +static void +yydestruct (yymsg, yytype, yyvaluep, list, idx) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; + struct list_head *list; + int *idx; +#endif +{ + YYUSE (yyvaluep); + YYUSE (list); + YYUSE (idx); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (struct list_head *list, int *idx); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; + + + +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (struct list_head *list, int *idx) +#else +int +yyparse (list, idx) + struct list_head *list; + int *idx; +#endif +#endif +{ + + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + yyssp = yyss; + yyvsp = yyvs; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 4: + +/* Line 1464 of yacc.c */ +#line 58 "util/parse-events.y" + { + ABORT_ON(parse_events_modifier(list, (yyvsp[(2) - (2)].str))); +;} + break; + + case 13: + +/* Line 1464 of yacc.c */ +#line 74 "util/parse-events.y" + { + ABORT_ON(parse_events_add_pmu(list, idx, (yyvsp[(1) - (4)].str), (yyvsp[(3) - (4)].head))); + parse_events__free_terms((yyvsp[(3) - (4)].head)); +;} + break; + + case 14: + +/* Line 1464 of yacc.c */ +#line 81 "util/parse-events.y" + { + int type = (yyvsp[(1) - (4)].num) >> 16; + int config = (yyvsp[(1) - (4)].num) & 255; + + ABORT_ON(parse_events_add_numeric(list, idx, type, config, (yyvsp[(3) - (4)].head))); + parse_events__free_terms((yyvsp[(3) - (4)].head)); +;} + break; + + case 15: + +/* Line 1464 of yacc.c */ +#line 90 "util/parse-events.y" + { + int type = (yyvsp[(1) - (2)].num) >> 16; + int config = (yyvsp[(1) - (2)].num) & 255; + + ABORT_ON(parse_events_add_numeric(list, idx, type, config, NULL)); +;} + break; + + case 16: + +/* Line 1464 of yacc.c */ +#line 99 "util/parse-events.y" + { + ABORT_ON(parse_events_add_cache(list, idx, (yyvsp[(1) - (5)].str), (yyvsp[(3) - (5)].str), (yyvsp[(5) - (5)].str))); +;} + break; + + case 17: + +/* Line 1464 of yacc.c */ +#line 104 "util/parse-events.y" + { + ABORT_ON(parse_events_add_cache(list, idx, (yyvsp[(1) - (3)].str), (yyvsp[(3) - (3)].str), NULL)); +;} + break; + + case 18: + +/* Line 1464 of yacc.c */ +#line 109 "util/parse-events.y" + { + ABORT_ON(parse_events_add_cache(list, idx, (yyvsp[(1) - (1)].str), NULL, NULL)); +;} + break; + + case 19: + +/* Line 1464 of yacc.c */ +#line 115 "util/parse-events.y" + { + ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) (yyvsp[(2) - (5)].num), (yyvsp[(4) - (5)].str))); +;} + break; + + case 20: + +/* Line 1464 of yacc.c */ +#line 120 "util/parse-events.y" + { + ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) (yyvsp[(2) - (3)].num), NULL)); +;} + break; + + case 21: + +/* Line 1464 of yacc.c */ +#line 126 "util/parse-events.y" + { + ABORT_ON(parse_events_add_tracepoint(list, idx, (yyvsp[(1) - (3)].str), (yyvsp[(3) - (3)].str))); +;} + break; + + case 22: + +/* Line 1464 of yacc.c */ +#line 132 "util/parse-events.y" + { + ABORT_ON(parse_events_add_numeric(list, idx, (yyvsp[(1) - (3)].num), (yyvsp[(3) - (3)].num), NULL)); +;} + break; + + case 23: + +/* Line 1464 of yacc.c */ +#line 138 "util/parse-events.y" + { + ABORT_ON(parse_events_add_numeric(list, idx, PERF_TYPE_RAW, (yyvsp[(1) - (1)].num), NULL)); +;} + break; + + case 24: + +/* Line 1464 of yacc.c */ +#line 144 "util/parse-events.y" + { + struct list_head *head = (yyvsp[(1) - (3)].head); + struct parse_events__term *term = (yyvsp[(3) - (3)].term); + + ABORT_ON(!head); + list_add_tail(&term->list, head); + (yyval.head) = (yyvsp[(1) - (3)].head); +;} + break; + + case 25: + +/* Line 1464 of yacc.c */ +#line 154 "util/parse-events.y" + { + struct list_head *head = malloc(sizeof(*head)); + struct parse_events__term *term = (yyvsp[(1) - (1)].term); + + ABORT_ON(!head); + INIT_LIST_HEAD(head); + list_add_tail(&term->list, head); + (yyval.head) = head; +;} + break; + + case 26: + +/* Line 1464 of yacc.c */ +#line 166 "util/parse-events.y" + { + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_STR, + (yyvsp[(1) - (3)].str), (yyvsp[(3) - (3)].str), 0)); + (yyval.term) = term; +;} + break; + + case 27: + +/* Line 1464 of yacc.c */ +#line 175 "util/parse-events.y" + { + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM, + (yyvsp[(1) - (3)].str), NULL, (yyvsp[(3) - (3)].num))); + (yyval.term) = term; +;} + break; + + case 28: + +/* Line 1464 of yacc.c */ +#line 184 "util/parse-events.y" + { + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM, + (yyvsp[(1) - (1)].str), NULL, 1)); + (yyval.term) = term; +;} + break; + + case 29: + +/* Line 1464 of yacc.c */ +#line 193 "util/parse-events.y" + { + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, (yyvsp[(1) - (3)].num), NULL, NULL, (yyvsp[(3) - (3)].num))); + (yyval.term) = term; +;} + break; + + case 30: + +/* Line 1464 of yacc.c */ +#line 201 "util/parse-events.y" + { + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, (yyvsp[(1) - (1)].num), NULL, NULL, 1)); + (yyval.term) = term; +;} + break; + + + +/* Line 1464 of yacc.c */ +#line 1634 "util/parse-events-bison.c" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (list, idx, YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (list, idx, yymsg); + } + else + { + yyerror (list, idx, YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval, list, idx); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + yystos[yystate], yyvsp, list, idx); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (list, idx, YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval, list, idx); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, list, idx); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + +/* Line 1684 of yacc.c */ +#line 212 "util/parse-events.y" + + +void parse_events_error(struct list_head *list __used, int *idx __used, + char const *msg __used) +{ +} + diff --git a/tools/perf/util/parse-events-bison.h b/tools/perf/util/parse-events-bison.h new file mode 100644 index 00000000000..c58b76584f9 --- /dev/null +++ b/tools/perf/util/parse-events-bison.h @@ -0,0 +1,82 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton interface for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + PE_VALUE = 258, + PE_VALUE_SYM = 259, + PE_RAW = 260, + PE_TERM = 261, + PE_NAME = 262, + PE_MODIFIER_EVENT = 263, + PE_MODIFIER_BP = 264, + PE_NAME_CACHE_TYPE = 265, + PE_NAME_CACHE_OP_RESULT = 266, + PE_PREFIX_MEM = 267, + PE_PREFIX_RAW = 268, + PE_ERROR = 269 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +{ + +/* Line 1685 of yacc.c */ +#line 45 "util/parse-events.y" + + char *str; + unsigned long num; + struct list_head *head; + struct parse_events__term *term; + + + +/* Line 1685 of yacc.c */ +#line 74 "util/parse-events-bison.h" +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + +extern YYSTYPE parse_events_lval; + + diff --git a/tools/perf/util/parse-events-flex.c b/tools/perf/util/parse-events-flex.c new file mode 100644 index 00000000000..34cfc85c4f7 --- /dev/null +++ b/tools/perf/util/parse-events-flex.c @@ -0,0 +1,2272 @@ + +#line 3 "<stdout>" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define yy_create_buffer parse_events__create_buffer +#define yy_delete_buffer parse_events__delete_buffer +#define yy_flex_debug parse_events__flex_debug +#define yy_init_buffer parse_events__init_buffer +#define yy_flush_buffer parse_events__flush_buffer +#define yy_load_buffer_state parse_events__load_buffer_state +#define yy_switch_to_buffer parse_events__switch_to_buffer +#define yyin parse_events_in +#define yyleng parse_events_leng +#define yylex parse_events_lex +#define yylineno parse_events_lineno +#define yyout parse_events_out +#define yyrestart parse_events_restart +#define yytext parse_events_text +#define yywrap parse_events_wrap +#define yyalloc parse_events_alloc +#define yyrealloc parse_events_realloc +#define yyfree parse_events_free + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE parse_events_restart(parse_events_in ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +extern int parse_events_leng; + +extern FILE *parse_events_in, *parse_events_out; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up parse_events_text. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up parse_events_text again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via parse_events_restart()), so that the user can continue scanning by + * just pointing parse_events_in at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when parse_events_text is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +int parse_events_leng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow parse_events_wrap()'s to do buffer switches + * instead of setting up a fresh parse_events_in. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void parse_events_restart (FILE *input_file ); +void parse_events__switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE parse_events__create_buffer (FILE *file,int size ); +void parse_events__delete_buffer (YY_BUFFER_STATE b ); +void parse_events__flush_buffer (YY_BUFFER_STATE b ); +void parse_events_push_buffer_state (YY_BUFFER_STATE new_buffer ); +void parse_events_pop_buffer_state (void ); + +static void parse_events_ensure_buffer_stack (void ); +static void parse_events__load_buffer_state (void ); +static void parse_events__init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER parse_events__flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE parse_events__scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE parse_events__scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE parse_events__scan_bytes (yyconst char *bytes,int len ); + +void *parse_events_alloc (yy_size_t ); +void *parse_events_realloc (void *,yy_size_t ); +void parse_events_free (void * ); + +#define yy_new_buffer parse_events__create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + parse_events_ensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + parse_events__create_buffer(parse_events_in,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + parse_events_ensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + parse_events__create_buffer(parse_events_in,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +typedef unsigned char YY_CHAR; + +FILE *parse_events_in = (FILE *) 0, *parse_events_out = (FILE *) 0; + +typedef int yy_state_type; + +extern int parse_events_lineno; + +int parse_events_lineno = 1; + +extern char *parse_events_text; +#define yytext_ptr parse_events_text + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up parse_events_text. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + parse_events_leng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 49 +#define YY_END_OF_BUFFER 50 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[440] = + { 0, + 0, 0, 50, 49, 43, 46, 45, 44, 39, 39, + 47, 48, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 41, 43, 43, 43, 43, 43, 41, 42, + 43, 43, 42, 42, 43, 39, 0, 43, 43, 43, + 21, 43, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 15, 43, 0, 43, 43, 43, 41, 0, + 43, 43, 43, 43, 43, 43, 43, 43, 43, 43, + 43, 43, 43, 38, 38, 43, 43, 43, 43, 40, + 43, 43, 0, 43, 43, 43, 24, 43, 43, 43, + 43, 43, 43, 0, 43, 43, 43, 41, 0, 43, + + 43, 43, 0, 19, 20, 43, 43, 43, 43, 43, + 43, 43, 30, 43, 43, 43, 38, 38, 43, 43, + 43, 43, 43, 43, 43, 0, 0, 43, 43, 43, + 43, 0, 43, 43, 43, 0, 43, 0, 22, 43, + 43, 41, 0, 23, 43, 43, 19, 20, 26, 43, + 37, 43, 43, 31, 25, 43, 43, 43, 26, 43, + 43, 43, 43, 43, 0, 43, 0, 0, 0, 0, + 43, 43, 43, 43, 0, 43, 43, 43, 0, 0, + 43, 22, 43, 43, 41, 23, 0, 43, 26, 43, + 43, 43, 43, 0, 43, 43, 43, 43, 27, 0, + + 27, 0, 43, 0, 0, 0, 0, 43, 43, 24, + 0, 0, 32, 43, 0, 0, 0, 1, 43, 12, + 0, 43, 0, 43, 0, 31, 0, 35, 43, 43, + 43, 0, 0, 43, 0, 0, 0, 43, 43, 0, + 43, 43, 0, 0, 0, 33, 34, 43, 0, 0, + 0, 43, 0, 43, 0, 43, 0, 0, 43, 43, + 43, 0, 43, 0, 0, 0, 43, 43, 0, 0, + 43, 7, 0, 0, 0, 0, 0, 0, 0, 43, + 0, 43, 0, 43, 0, 0, 28, 43, 0, 0, + 43, 0, 43, 0, 0, 43, 0, 0, 0, 0, + + 10, 0, 0, 43, 0, 43, 0, 43, 0, 0, + 43, 43, 0, 0, 43, 0, 0, 0, 0, 43, + 9, 0, 0, 0, 1, 0, 0, 0, 43, 0, + 16, 0, 0, 28, 43, 0, 11, 43, 0, 0, + 0, 0, 36, 0, 0, 0, 0, 0, 0, 43, + 0, 0, 12, 43, 0, 0, 0, 0, 0, 0, + 6, 0, 0, 0, 0, 0, 4, 14, 13, 0, + 0, 0, 0, 0, 0, 8, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, + 16, 0, 0, 0, 0, 0, 0, 0, 0, 0, + + 0, 0, 0, 0, 0, 0, 0, 17, 0, 5, + 15, 18, 0, 0, 29, 0, 0, 0, 0, 0, + 0, 0, 0, 0, 0, 0, 0, 7, 3, 0, + 0, 0, 2, 0, 0, 0, 0, 0, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 2, 1, 3, 4, 1, 5, 6, 7, 8, + 9, 9, 9, 9, 9, 9, 9, 10, 1, 1, + 11, 1, 2, 1, 12, 13, 14, 15, 12, 12, + 2, 2, 16, 2, 2, 17, 2, 2, 2, 2, + 2, 18, 2, 19, 2, 2, 2, 2, 2, 2, + 1, 1, 1, 1, 20, 1, 21, 22, 23, 24, + + 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, + 35, 36, 2, 37, 38, 39, 40, 41, 42, 43, + 44, 2, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[45] = + { 0, + 1, 2, 1, 1, 1, 3, 3, 3, 3, 1, + 1, 3, 3, 3, 3, 2, 2, 2, 2, 2, + 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2 + } ; + +static yyconst flex_int16_t yy_base[442] = + { 0, + 0, 0, 510, 511, 0, 511, 511, 511, 39, 43, + 511, 511, 488, 474, 46, 482, 32, 20, 37, 57, + 473, 484, 34, 64, 59, 64, 469, 467, 78, 113, + 41, 481, 464, 0, 0, 104, 0, 461, 461, 494, + 0, 483, 470, 472, 465, 44, 472, 470, 453, 467, + 455, 448, 0, 464, 447, 468, 444, 443, 64, 443, + 464, 448, 441, 67, 457, 447, 443, 52, 451, 436, + 446, 435, 446, 445, 76, 444, 95, 430, 438, 0, + 445, 426, 100, 439, 438, 435, 0, 427, 456, 431, + 105, 454, 425, 424, 442, 422, 421, 112, 420, 438, + + 425, 410, 117, 0, 0, 424, 412, 436, 408, 409, + 405, 417, 0, 416, 411, 413, 83, 107, 415, 405, + 399, 404, 395, 429, 395, 126, 119, 394, 392, 395, + 405, 404, 401, 396, 399, 100, 398, 400, 0, 400, + 381, 123, 397, 0, 414, 380, 511, 511, 378, 378, + 511, 393, 376, 387, 0, 407, 375, 384, 383, 367, + 374, 380, 400, 378, 383, 361, 361, 378, 377, 359, + 371, 357, 361, 365, 348, 387, 363, 346, 73, 359, + 349, 511, 347, 347, 0, 511, 361, 343, 0, 378, + 342, 376, 341, 352, 353, 337, 343, 349, 335, 349, + + 0, 354, 347, 348, 345, 344, 327, 331, 339, 146, + 340, 123, 150, 323, 326, 337, 332, 0, 329, 0, + 313, 333, 329, 325, 327, 0, 331, 0, 328, 329, + 325, 316, 334, 307, 317, 316, 306, 319, 307, 132, + 301, 301, 306, 308, 311, 0, 0, 331, 311, 301, + 295, 296, 307, 290, 307, 292, 305, 285, 296, 284, + 318, 286, 291, 294, 293, 277, 291, 276, 280, 284, + 268, 0, 286, 272, 283, 270, 276, 281, 284, 270, + 271, 273, 261, 266, 259, 266, 272, 267, 272, 271, + 258, 269, 287, 252, 251, 252, 249, 248, 260, 242, + + 511, 245, 243, 277, 255, 244, 246, 239, 244, 236, + 236, 232, 228, 240, 236, 230, 242, 228, 228, 240, + 511, 239, 226, 233, 511, 232, 234, 221, 224, 218, + 0, 217, 217, 0, 229, 230, 511, 248, 222, 229, + 212, 223, 0, 209, 221, 206, 209, 222, 238, 203, + 202, 201, 511, 234, 205, 217, 200, 194, 193, 194, + 511, 197, 207, 195, 188, 142, 0, 511, 511, 130, + 202, 209, 191, 192, 200, 511, 199, 193, 182, 187, + 197, 180, 181, 190, 176, 200, 173, 172, 185, 184, + 511, 169, 184, 171, 184, 183, 199, 164, 172, 162, + + 161, 160, 166, 162, 171, 170, 147, 511, 158, 511, + 511, 511, 167, 152, 511, 169, 152, 154, 153, 161, + 162, 149, 145, 158, 147, 149, 145, 511, 511, 154, + 152, 137, 511, 138, 145, 131, 53, 54, 511, 172, + 66 + } ; + +static yyconst flex_int16_t yy_def[442] = + { 0, + 439, 1, 439, 439, 440, 439, 439, 439, 439, 439, + 439, 439, 440, 440, 440, 440, 440, 440, 440, 440, + 440, 440, 440, 440, 440, 440, 440, 440, 440, 440, + 440, 440, 440, 440, 440, 439, 441, 440, 440, 440, + 440, 440, 440, 440, 440, 440, 440, 440, 440, 440, + 440, 440, 440, 440, 439, 440, 440, 440, 440, 439, + 440, 440, 440, 440, 440, 440, 440, 440, 440, 440, + 440, 440, 440, 30, 30, 440, 440, 440, 440, 441, + 440, 440, 439, 440, 440, 440, 440, 440, 440, 440, + 440, 440, 440, 439, 440, 440, 440, 440, 439, 440, + + 440, 440, 439, 440, 440, 440, 440, 440, 440, 440, + 440, 440, 440, 440, 440, 440, 30, 30, 440, 440, + 440, 440, 440, 440, 440, 439, 439, 440, 440, 440, + 440, 439, 440, 440, 440, 439, 440, 439, 440, 440, + 440, 440, 439, 440, 440, 440, 439, 439, 440, 440, + 439, 440, 440, 440, 440, 440, 440, 440, 30, 440, + 440, 440, 440, 440, 439, 440, 439, 439, 439, 439, + 440, 440, 440, 440, 439, 440, 440, 440, 439, 439, + 440, 439, 440, 440, 440, 439, 439, 440, 440, 440, + 440, 440, 440, 439, 440, 440, 440, 440, 440, 439, + + 440, 439, 440, 439, 439, 439, 439, 440, 440, 440, + 439, 439, 440, 440, 439, 439, 439, 440, 440, 440, + 439, 440, 439, 440, 439, 440, 439, 440, 440, 440, + 440, 439, 439, 440, 439, 439, 439, 440, 440, 439, + 440, 440, 439, 439, 439, 440, 440, 440, 439, 439, + 439, 440, 439, 440, 439, 440, 439, 439, 440, 440, + 440, 439, 440, 439, 439, 439, 440, 440, 439, 439, + 440, 440, 439, 439, 439, 439, 439, 439, 439, 440, + 439, 440, 439, 440, 439, 439, 440, 440, 439, 439, + 440, 439, 440, 439, 439, 440, 439, 439, 439, 439, + + 439, 439, 439, 440, 439, 440, 439, 440, 439, 439, + 440, 440, 439, 439, 440, 439, 439, 439, 439, 440, + 439, 439, 439, 439, 439, 439, 439, 439, 440, 439, + 440, 439, 439, 440, 440, 439, 439, 440, 439, 439, + 439, 439, 440, 439, 439, 439, 439, 439, 439, 440, + 439, 439, 439, 440, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 440, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 0, 439, + 439 + } ; + +static yyconst flex_int16_t yy_nxt[556] = + { 0, + 4, 5, 6, 7, 8, 9, 10, 10, 10, 11, + 12, 5, 5, 5, 13, 14, 15, 16, 5, 5, + 17, 18, 19, 20, 21, 22, 5, 23, 24, 5, + 23, 25, 26, 27, 28, 29, 30, 31, 32, 23, + 5, 33, 34, 5, 36, 36, 36, 36, 36, 36, + 36, 36, 40, 41, 44, 46, 47, 50, 48, 49, + 55, 59, 42, 45, 59, 64, 87, 60, 80, 59, + 103, 51, 52, 59, 53, 56, 76, 433, 109, 77, + 54, 37, 61, 87, 66, 110, 438, 62, 67, 111, + 104, 98, 68, 65, 98, 105, 117, 63, 71, 98, + + 74, 118, 72, 98, 215, 59, 159, 74, 59, 36, + 36, 36, 36, 59, 73, 120, 216, 59, 74, 74, + 74, 74, 179, 126, 74, 74, 74, 74, 127, 121, + 134, 74, 180, 74, 74, 74, 74, 75, 74, 142, + 147, 169, 142, 135, 113, 148, 167, 142, 168, 240, + 185, 142, 170, 185, 429, 244, 246, 247, 185, 245, + 269, 383, 185, 381, 270, 241, 384, 382, 416, 437, + 242, 436, 417, 35, 35, 435, 434, 433, 432, 431, + 430, 429, 428, 427, 426, 425, 424, 423, 422, 421, + 420, 419, 418, 415, 415, 414, 413, 412, 411, 410, + + 409, 408, 407, 406, 405, 404, 403, 402, 401, 400, + 399, 398, 186, 397, 396, 395, 394, 393, 392, 391, + 390, 389, 388, 387, 148, 386, 385, 380, 379, 378, + 377, 376, 375, 374, 373, 372, 371, 370, 369, 368, + 367, 366, 365, 364, 363, 362, 361, 360, 359, 358, + 357, 356, 355, 354, 353, 352, 351, 350, 349, 348, + 347, 346, 345, 344, 343, 342, 341, 340, 339, 338, + 337, 336, 335, 334, 333, 332, 331, 330, 329, 328, + 327, 326, 325, 324, 323, 322, 321, 320, 319, 318, + 317, 316, 315, 314, 313, 312, 311, 310, 309, 308, + + 307, 306, 305, 304, 303, 302, 301, 300, 299, 298, + 297, 296, 295, 294, 293, 113, 292, 148, 147, 291, + 290, 289, 288, 287, 286, 285, 284, 283, 282, 281, + 280, 279, 278, 277, 276, 275, 274, 273, 272, 271, + 268, 267, 266, 265, 264, 263, 182, 262, 261, 260, + 259, 258, 257, 256, 255, 254, 253, 252, 251, 250, + 249, 248, 243, 239, 238, 237, 236, 235, 147, 234, + 233, 232, 201, 231, 230, 229, 228, 227, 226, 225, + 224, 223, 222, 221, 220, 219, 218, 217, 214, 213, + 212, 211, 210, 209, 113, 208, 207, 206, 205, 204, + + 203, 202, 201, 200, 199, 198, 197, 74, 196, 195, + 194, 193, 192, 191, 190, 189, 188, 187, 186, 184, + 183, 182, 181, 178, 177, 176, 175, 174, 173, 172, + 171, 166, 165, 164, 163, 162, 161, 160, 158, 157, + 156, 155, 154, 153, 152, 151, 150, 149, 146, 145, + 144, 143, 141, 140, 139, 138, 137, 136, 133, 132, + 131, 130, 129, 128, 125, 124, 123, 122, 119, 74, + 116, 115, 114, 113, 112, 108, 107, 106, 102, 101, + 100, 99, 97, 96, 95, 94, 93, 92, 91, 90, + 89, 87, 88, 86, 85, 84, 41, 83, 82, 81, + + 79, 78, 70, 69, 58, 57, 43, 39, 38, 439, + 3, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439 + } ; + +static yyconst flex_int16_t yy_chk[556] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 9, 9, 9, 9, 10, 10, + 10, 10, 15, 15, 17, 18, 18, 19, 18, 18, + 20, 23, 15, 17, 23, 25, 46, 24, 441, 23, + 64, 19, 19, 23, 19, 20, 31, 438, 68, 31, + 19, 9, 24, 46, 26, 68, 437, 24, 26, 68, + 64, 59, 26, 25, 59, 64, 75, 24, 29, 59, + + 75, 75, 29, 59, 179, 29, 117, 117, 29, 36, + 36, 36, 36, 29, 29, 77, 179, 29, 30, 30, + 30, 30, 136, 83, 30, 30, 30, 30, 83, 77, + 91, 118, 136, 30, 30, 30, 30, 30, 30, 98, + 103, 127, 98, 91, 118, 103, 126, 98, 126, 210, + 142, 98, 127, 142, 436, 212, 213, 213, 142, 212, + 240, 370, 142, 366, 240, 210, 370, 366, 407, 435, + 210, 434, 407, 440, 440, 432, 431, 430, 427, 426, + 425, 424, 423, 422, 421, 420, 419, 418, 417, 416, + 414, 413, 409, 406, 405, 404, 403, 402, 401, 400, + + 399, 398, 397, 396, 395, 394, 393, 392, 390, 389, + 388, 387, 386, 385, 384, 383, 382, 381, 380, 379, + 378, 377, 375, 374, 373, 372, 371, 365, 364, 363, + 362, 360, 359, 358, 357, 356, 355, 354, 352, 351, + 350, 349, 348, 347, 346, 345, 344, 342, 341, 340, + 339, 338, 336, 335, 333, 332, 330, 329, 328, 327, + 326, 324, 323, 322, 320, 319, 318, 317, 316, 315, + 314, 313, 312, 311, 310, 309, 308, 307, 306, 305, + 304, 303, 302, 300, 299, 298, 297, 296, 295, 294, + 293, 292, 291, 290, 289, 288, 287, 286, 285, 284, + + 283, 282, 281, 280, 279, 278, 277, 276, 275, 274, + 273, 271, 270, 269, 268, 267, 266, 265, 264, 263, + 262, 261, 260, 259, 258, 257, 256, 255, 254, 253, + 252, 251, 250, 249, 248, 245, 244, 243, 242, 241, + 239, 238, 237, 236, 235, 234, 233, 232, 231, 230, + 229, 227, 225, 224, 223, 222, 221, 219, 217, 216, + 215, 214, 211, 209, 208, 207, 206, 205, 204, 203, + 202, 200, 199, 198, 197, 196, 195, 194, 193, 192, + 191, 190, 188, 187, 184, 183, 181, 180, 178, 177, + 176, 175, 174, 173, 172, 171, 170, 169, 168, 167, + + 166, 165, 164, 163, 162, 161, 160, 159, 158, 157, + 156, 154, 153, 152, 150, 149, 146, 145, 143, 141, + 140, 138, 137, 135, 134, 133, 132, 131, 130, 129, + 128, 125, 124, 123, 122, 121, 120, 119, 116, 115, + 114, 112, 111, 110, 109, 108, 107, 106, 102, 101, + 100, 99, 97, 96, 95, 94, 93, 92, 90, 89, + 88, 86, 85, 84, 82, 81, 79, 78, 76, 74, + 73, 72, 71, 70, 69, 67, 66, 65, 63, 62, + 61, 60, 58, 57, 56, 55, 54, 52, 51, 50, + 49, 48, 47, 45, 44, 43, 42, 40, 39, 38, + + 33, 32, 28, 27, 22, 21, 16, 14, 13, 3, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439, 439, 439, 439, 439, 439, + 439, 439, 439, 439, 439 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int parse_events__flex_debug; +int parse_events__flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *parse_events_text; +#line 1 "util/parse-events.l" +#line 5 "util/parse-events.l" +#include <errno.h> +#include "../perf.h" +#include "parse-events-bison.h" +#include "parse-events.h" + +static int __value(char *str, int base, int token) +{ + long num; + + errno = 0; + num = strtoul(str, NULL, base); + if (errno) + return PE_ERROR; + + parse_events_lval.num = num; + return token; +} + +static int value(int base) +{ + return __value(parse_events_text, base, PE_VALUE); +} + +static int raw(void) +{ + return __value(parse_events_text + 1, 16, PE_RAW); +} + +static int str(int token) +{ + parse_events_lval.str = strdup(parse_events_text); + return token; +} + +static int sym(int type, int config) +{ + parse_events_lval.num = (type << 16) + config; + return PE_VALUE_SYM; +} + +static int term(int type) +{ + parse_events_lval.num = type; + return PE_TERM; +} + +#line 782 "<stdout>" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int parse_events_lex_destroy (void ); + +int parse_events_get_debug (void ); + +void parse_events_set_debug (int debug_flag ); + +YY_EXTRA_TYPE parse_events_get_extra (void ); + +void parse_events_set_extra (YY_EXTRA_TYPE user_defined ); + +FILE *parse_events_get_in (void ); + +void parse_events_set_in (FILE * in_str ); + +FILE *parse_events_get_out (void ); + +void parse_events_set_out (FILE * out_str ); + +int parse_events_get_leng (void ); + +char *parse_events_get_text (void ); + +int parse_events_get_lineno (void ); + +void parse_events_set_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int parse_events_wrap (void ); +#else +extern int parse_events_wrap (void ); +#endif +#endif + + static void yyunput (int c,char *buf_ptr ); + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( parse_events_text, parse_events_leng, 1, parse_events_out )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + unsigned n; \ + for ( n = 0; n < max_size && \ + (c = getc( parse_events_in )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( parse_events_in ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, parse_events_in))==0 && ferror(parse_events_in)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(parse_events_in); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int parse_events_lex (void); + +#define YY_DECL int parse_events_lex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after parse_events_text and parse_events_leng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + +#line 60 "util/parse-events.l" + +#line 966 "<stdout>" + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! parse_events_in ) + parse_events_in = stdin; + + if ( ! parse_events_out ) + parse_events_out = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + parse_events_ensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + parse_events__create_buffer(parse_events_in,YY_BUF_SIZE ); + } + + parse_events__load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of parse_events_text. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 440 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 511 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 61 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } + YY_BREAK +case 2: +YY_RULE_SETUP +#line 62 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } + YY_BREAK +case 3: +YY_RULE_SETUP +#line 63 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } + YY_BREAK +case 4: +YY_RULE_SETUP +#line 64 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } + YY_BREAK +case 5: +YY_RULE_SETUP +#line 65 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } + YY_BREAK +case 6: +YY_RULE_SETUP +#line 66 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 67 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 68 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } + YY_BREAK +case 9: +YY_RULE_SETUP +#line 69 "util/parse-events.l" +{ return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 70 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } + YY_BREAK +case 11: +YY_RULE_SETUP +#line 71 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } + YY_BREAK +case 12: +YY_RULE_SETUP +#line 72 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } + YY_BREAK +case 13: +YY_RULE_SETUP +#line 73 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } + YY_BREAK +case 14: +YY_RULE_SETUP +#line 74 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } + YY_BREAK +case 15: +YY_RULE_SETUP +#line 75 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } + YY_BREAK +case 16: +YY_RULE_SETUP +#line 76 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } + YY_BREAK +case 17: +YY_RULE_SETUP +#line 77 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } + YY_BREAK +case 18: +YY_RULE_SETUP +#line 78 "util/parse-events.l" +{ return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } + YY_BREAK +case 19: +#line 81 "util/parse-events.l" +case 20: +#line 82 "util/parse-events.l" +case 21: +#line 83 "util/parse-events.l" +case 22: +#line 84 "util/parse-events.l" +case 23: +#line 85 "util/parse-events.l" +case 24: +#line 86 "util/parse-events.l" +case 25: +YY_RULE_SETUP +#line 86 "util/parse-events.l" +{ return str(PE_NAME_CACHE_TYPE); } + YY_BREAK +case 26: +#line 89 "util/parse-events.l" +case 27: +#line 90 "util/parse-events.l" +case 28: +#line 91 "util/parse-events.l" +case 29: +#line 92 "util/parse-events.l" +case 30: +#line 93 "util/parse-events.l" +case 31: +YY_RULE_SETUP +#line 93 "util/parse-events.l" +{ return str(PE_NAME_CACHE_OP_RESULT); } + YY_BREAK +/* + * These are event config hardcoded term names to be specified + * within xxx/.../ syntax. So far we dont clash with other names, + * so we can put them here directly. In case the we have a conflict + * in future, this needs to go into '//' condition block. + */ +case 32: +YY_RULE_SETUP +#line 101 "util/parse-events.l" +{ return term(PARSE_EVENTS__TERM_TYPE_CONFIG); } + YY_BREAK +case 33: +YY_RULE_SETUP +#line 102 "util/parse-events.l" +{ return term(PARSE_EVENTS__TERM_TYPE_CONFIG1); } + YY_BREAK +case 34: +YY_RULE_SETUP +#line 103 "util/parse-events.l" +{ return term(PARSE_EVENTS__TERM_TYPE_CONFIG2); } + YY_BREAK +case 35: +YY_RULE_SETUP +#line 104 "util/parse-events.l" +{ return term(PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } + YY_BREAK +case 36: +YY_RULE_SETUP +#line 105 "util/parse-events.l" +{ return term(PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } + YY_BREAK +case 37: +YY_RULE_SETUP +#line 107 "util/parse-events.l" +{ return PE_PREFIX_MEM; } + YY_BREAK +case 38: +YY_RULE_SETUP +#line 108 "util/parse-events.l" +{ return raw(); } + YY_BREAK +case 39: +YY_RULE_SETUP +#line 109 "util/parse-events.l" +{ return value(10); } + YY_BREAK +case 40: +YY_RULE_SETUP +#line 110 "util/parse-events.l" +{ return value(16); } + YY_BREAK +case 41: +YY_RULE_SETUP +#line 112 "util/parse-events.l" +{ return str(PE_MODIFIER_EVENT); } + YY_BREAK +case 42: +YY_RULE_SETUP +#line 113 "util/parse-events.l" +{ return str(PE_MODIFIER_BP); } + YY_BREAK +case 43: +YY_RULE_SETUP +#line 114 "util/parse-events.l" +{ return str(PE_NAME); } + YY_BREAK +case 44: +YY_RULE_SETUP +#line 115 "util/parse-events.l" +{ return '/'; } + YY_BREAK +case 45: +YY_RULE_SETUP +#line 116 "util/parse-events.l" +{ return '-'; } + YY_BREAK +case 46: +YY_RULE_SETUP +#line 117 "util/parse-events.l" +{ return ','; } + YY_BREAK +case 47: +YY_RULE_SETUP +#line 118 "util/parse-events.l" +{ return ':'; } + YY_BREAK +case 48: +YY_RULE_SETUP +#line 119 "util/parse-events.l" +{ return '='; } + YY_BREAK +case 49: +YY_RULE_SETUP +#line 121 "util/parse-events.l" +ECHO; + YY_BREAK +#line 1267 "<stdout>" +case YY_STATE_EOF(INITIAL): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed parse_events_in at a new source and called + * parse_events_lex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = parse_events_in; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( parse_events_wrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * parse_events_text, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of parse_events_lex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); + register int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + parse_events_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + parse_events_restart(parse_events_in ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) parse_events_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 440 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + register int yy_is_jam; + register char *yy_cp = (yy_c_buf_p); + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 440 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 439); + + return yy_is_jam ? 0 : yy_current_state; +} + + static void yyunput (int c, register char * yy_bp ) +{ + register char *yy_cp; + + yy_cp = (yy_c_buf_p); + + /* undo effects of setting up parse_events_text */ + *yy_cp = (yy_hold_char); + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register int number_to_move = (yy_n_chars) + 2; + register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + register char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + parse_events_restart(parse_events_in ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( parse_events_wrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve parse_events_text */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void parse_events_restart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + parse_events_ensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + parse_events__create_buffer(parse_events_in,YY_BUF_SIZE ); + } + + parse_events__init_buffer(YY_CURRENT_BUFFER,input_file ); + parse_events__load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void parse_events__switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * parse_events_pop_buffer_state(); + * parse_events_push_buffer_state(new_buffer); + */ + parse_events_ensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + parse_events__load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (parse_events_wrap()) processing, but the only time this flag + * is looked at is after parse_events_wrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void parse_events__load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + parse_events_in = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE parse_events__create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) parse_events_alloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in parse_events__create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) parse_events_alloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in parse_events__create_buffer()" ); + + b->yy_is_our_buffer = 1; + + parse_events__init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with parse_events__create_buffer() + * + */ + void parse_events__delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + parse_events_free((void *) b->yy_ch_buf ); + + parse_events_free((void *) b ); +} + +#ifndef __cplusplus +extern int isatty (int ); +#endif /* __cplusplus */ + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a parse_events_restart() or at EOF. + */ + static void parse_events__init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + parse_events__flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then parse_events__init_buffer was _probably_ + * called from parse_events_restart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void parse_events__flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + parse_events__load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void parse_events_push_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + parse_events_ensure_buffer_stack(); + + /* This block is copied from parse_events__switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from parse_events__switch_to_buffer. */ + parse_events__load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void parse_events_pop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + parse_events__delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + parse_events__load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void parse_events_ensure_buffer_stack (void) +{ + int num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)parse_events_alloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in parse_events_ensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)parse_events_realloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in parse_events_ensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE parse_events__scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) parse_events_alloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in parse_events__scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + parse_events__switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to parse_events_lex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * parse_events__scan_bytes() instead. + */ +YY_BUFFER_STATE parse_events__scan_string (yyconst char * yystr ) +{ + + return parse_events__scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to parse_events_lex() will + * scan from a @e copy of @a bytes. + * @param bytes the byte buffer to scan + * @param len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE parse_events__scan_bytes (yyconst char * yybytes, int _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) parse_events_alloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in parse_events__scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = parse_events__scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in parse_events__scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up parse_events_text. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + parse_events_text[parse_events_leng] = (yy_hold_char); \ + (yy_c_buf_p) = parse_events_text + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + parse_events_leng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int parse_events_get_lineno (void) +{ + + return parse_events_lineno; +} + +/** Get the input stream. + * + */ +FILE *parse_events_get_in (void) +{ + return parse_events_in; +} + +/** Get the output stream. + * + */ +FILE *parse_events_get_out (void) +{ + return parse_events_out; +} + +/** Get the length of the current token. + * + */ +int parse_events_get_leng (void) +{ + return parse_events_leng; +} + +/** Get the current token. + * + */ + +char *parse_events_get_text (void) +{ + return parse_events_text; +} + +/** Set the current line number. + * @param line_number + * + */ +void parse_events_set_lineno (int line_number ) +{ + + parse_events_lineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see parse_events__switch_to_buffer + */ +void parse_events_set_in (FILE * in_str ) +{ + parse_events_in = in_str ; +} + +void parse_events_set_out (FILE * out_str ) +{ + parse_events_out = out_str ; +} + +int parse_events_get_debug (void) +{ + return parse_events__flex_debug; +} + +void parse_events_set_debug (int bdebug ) +{ + parse_events__flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from parse_events_lex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + parse_events_in = stdin; + parse_events_out = stdout; +#else + parse_events_in = (FILE *) 0; + parse_events_out = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * parse_events_lex_init() + */ + return 0; +} + +/* parse_events_lex_destroy is for both reentrant and non-reentrant scanners. */ +int parse_events_lex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + parse_events__delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + parse_events_pop_buffer_state(); + } + + /* Destroy the stack itself. */ + parse_events_free((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * parse_events_lex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *parse_events_alloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *parse_events_realloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void parse_events_free (void * ptr ) +{ + free( (char *) ptr ); /* see parse_events_realloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 121 "util/parse-events.l" + + + +int parse_events_wrap(void) +{ + return 1; +} + diff --git a/tools/perf/util/parse-events-flex.h b/tools/perf/util/parse-events-flex.h new file mode 100644 index 00000000000..ceb9b20d732 --- /dev/null +++ b/tools/perf/util/parse-events-flex.h @@ -0,0 +1,316 @@ +#ifndef parse_events_HEADER_H +#define parse_events_HEADER_H 1 +#define parse_events_IN_HEADER 1 + +#line 6 "util/parse-events-flex.h" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +extern int parse_events_leng; + +extern FILE *parse_events_in, *parse_events_out; + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +void parse_events_restart (FILE *input_file ); +void parse_events__switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE parse_events__create_buffer (FILE *file,int size ); +void parse_events__delete_buffer (YY_BUFFER_STATE b ); +void parse_events__flush_buffer (YY_BUFFER_STATE b ); +void parse_events_push_buffer_state (YY_BUFFER_STATE new_buffer ); +void parse_events_pop_buffer_state (void ); + +YY_BUFFER_STATE parse_events__scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE parse_events__scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE parse_events__scan_bytes (yyconst char *bytes,int len ); + +void *parse_events_alloc (yy_size_t ); +void *parse_events_realloc (void *,yy_size_t ); +void parse_events_free (void * ); + +/* Begin user sect3 */ + +extern int parse_events_lineno; + +extern char *parse_events_text; +#define yytext_ptr parse_events_text + +#ifdef YY_HEADER_EXPORT_START_CONDITIONS +#define INITIAL 0 + +#endif + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int parse_events_lex_destroy (void ); + +int parse_events_get_debug (void ); + +void parse_events_set_debug (int debug_flag ); + +YY_EXTRA_TYPE parse_events_get_extra (void ); + +void parse_events_set_extra (YY_EXTRA_TYPE user_defined ); + +FILE *parse_events_get_in (void ); + +void parse_events_set_in (FILE * in_str ); + +FILE *parse_events_get_out (void ); + +void parse_events_set_out (FILE * out_str ); + +int parse_events_get_leng (void ); + +char *parse_events_get_text (void ); + +int parse_events_get_lineno (void ); + +void parse_events_set_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int parse_events_wrap (void ); +#else +extern int parse_events_wrap (void ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int parse_events_lex (void); + +#define YY_DECL int parse_events_lex (void) +#endif /* !YY_DECL */ + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + +#undef YY_NEW_FILE +#undef YY_FLUSH_BUFFER +#undef yy_set_bol +#undef yy_new_buffer +#undef yy_set_interactive +#undef YY_DO_BEFORE_ACTION + +#ifdef YY_DECL_IS_OURS +#undef YY_DECL_IS_OURS +#undef YY_DECL +#endif + +#line 121 "util/parse-events.l" + + +#line 315 "util/parse-events-flex.h" +#undef parse_events_IN_HEADER +#endif /* parse_events_HEADER_H */ diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index c7a6f6faf91..201b40f0ca0 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -11,6 +11,10 @@ #include "cache.h" #include "header.h" #include "debugfs.h" +#include "parse-events-flex.h" +#include "pmu.h" + +#define MAX_NAME_LEN 100 struct event_symbol { u8 type; @@ -19,11 +23,7 @@ struct event_symbol { const char *alias; }; -enum event_result { - EVT_FAILED, - EVT_HANDLED, - EVT_HANDLED_ALL -}; +int parse_events_parse(struct list_head *list, int *idx); #define CHW(x) .type = PERF_TYPE_HARDWARE, .config = PERF_COUNT_HW_##x #define CSW(x) .type = PERF_TYPE_SOFTWARE, .config = PERF_COUNT_SW_##x @@ -354,7 +354,24 @@ const char *__event_name(int type, u64 config) return "unknown"; } -static int parse_aliases(const char **str, const char *names[][MAX_ALIASES], int size) +static int add_event(struct list_head *list, int *idx, + struct perf_event_attr *attr, char *name) +{ + struct perf_evsel *evsel; + + event_attr_init(attr); + + evsel = perf_evsel__new(attr, (*idx)++); + if (!evsel) + return -ENOMEM; + + list_add_tail(&evsel->node, list); + + evsel->name = strdup(name); + return 0; +} + +static int parse_aliases(char *str, const char *names[][MAX_ALIASES], int size) { int i, j; int n, longest = -1; @@ -362,58 +379,57 @@ static int parse_aliases(const char **str, const char *names[][MAX_ALIASES], int for (i = 0; i < size; i++) { for (j = 0; j < MAX_ALIASES && names[i][j]; j++) { n = strlen(names[i][j]); - if (n > longest && !strncasecmp(*str, names[i][j], n)) + if (n > longest && !strncasecmp(str, names[i][j], n)) longest = n; } - if (longest > 0) { - *str += longest; + if (longest > 0) return i; - } } return -1; } -static enum event_result -parse_generic_hw_event(const char **str, struct perf_event_attr *attr) +int parse_events_add_cache(struct list_head *list, int *idx, + char *type, char *op_result1, char *op_result2) { - const char *s = *str; + struct perf_event_attr attr; + char name[MAX_NAME_LEN]; int cache_type = -1, cache_op = -1, cache_result = -1; + char *op_result[2] = { op_result1, op_result2 }; + int i, n; - cache_type = parse_aliases(&s, hw_cache, PERF_COUNT_HW_CACHE_MAX); /* * No fallback - if we cannot get a clear cache type * then bail out: */ + cache_type = parse_aliases(type, hw_cache, + PERF_COUNT_HW_CACHE_MAX); if (cache_type == -1) - return EVT_FAILED; + return -EINVAL; - while ((cache_op == -1 || cache_result == -1) && *s == '-') { - ++s; + n = snprintf(name, MAX_NAME_LEN, "%s", type); + + for (i = 0; (i < 2) && (op_result[i]); i++) { + char *str = op_result[i]; + + snprintf(name + n, MAX_NAME_LEN - n, "-%s\n", str); if (cache_op == -1) { - cache_op = parse_aliases(&s, hw_cache_op, - PERF_COUNT_HW_CACHE_OP_MAX); + cache_op = parse_aliases(str, hw_cache_op, + PERF_COUNT_HW_CACHE_OP_MAX); if (cache_op >= 0) { if (!is_cache_op_valid(cache_type, cache_op)) - return EVT_FAILED; + return -EINVAL; continue; } } if (cache_result == -1) { - cache_result = parse_aliases(&s, hw_cache_result, + cache_result = parse_aliases(str, hw_cache_result, PERF_COUNT_HW_CACHE_RESULT_MAX); if (cache_result >= 0) continue; } - - /* - * Can't parse this as a cache op or result, so back up - * to the '-'. - */ - --s; - break; } /* @@ -428,20 +444,17 @@ parse_generic_hw_event(const char **str, struct perf_event_attr *attr) if (cache_result == -1) cache_result = PERF_COUNT_HW_CACHE_RESULT_ACCESS; - attr->config = cache_type | (cache_op << 8) | (cache_result << 16); - attr->type = PERF_TYPE_HW_CACHE; - - *str = s; - return EVT_HANDLED; + memset(&attr, 0, sizeof(attr)); + attr.config = cache_type | (cache_op << 8) | (cache_result << 16); + attr.type = PERF_TYPE_HW_CACHE; + return add_event(list, idx, &attr, name); } -static enum event_result -parse_single_tracepoint_event(char *sys_name, - const char *evt_name, - unsigned int evt_length, - struct perf_event_attr *attr, - const char **strp) +static int add_tracepoint(struct list_head *list, int *idx, + char *sys_name, char *evt_name) { + struct perf_event_attr attr; + char name[MAX_NAME_LEN]; char evt_path[MAXPATHLEN]; char id_buf[4]; u64 id; @@ -452,130 +465,80 @@ parse_single_tracepoint_event(char *sys_name, fd = open(evt_path, O_RDONLY); if (fd < 0) - return EVT_FAILED; + return -1; if (read(fd, id_buf, sizeof(id_buf)) < 0) { close(fd); - return EVT_FAILED; + return -1; } close(fd); id = atoll(id_buf); - attr->config = id; - attr->type = PERF_TYPE_TRACEPOINT; - *strp += strlen(sys_name) + evt_length + 1; /* + 1 for the ':' */ - - attr->sample_type |= PERF_SAMPLE_RAW; - attr->sample_type |= PERF_SAMPLE_TIME; - attr->sample_type |= PERF_SAMPLE_CPU; - attr->sample_period = 1; + memset(&attr, 0, sizeof(attr)); + attr.config = id; + attr.type = PERF_TYPE_TRACEPOINT; + attr.sample_type |= PERF_SAMPLE_RAW; + attr.sample_type |= PERF_SAMPLE_TIME; + attr.sample_type |= PERF_SAMPLE_CPU; + attr.sample_period = 1; - - return EVT_HANDLED; + snprintf(name, MAX_NAME_LEN, "%s:%s", sys_name, evt_name); + return add_event(list, idx, &attr, name); } -/* sys + ':' + event + ':' + flags*/ -#define MAX_EVOPT_LEN (MAX_EVENT_LENGTH * 2 + 2 + 128) -static enum event_result -parse_multiple_tracepoint_event(struct perf_evlist *evlist, char *sys_name, - const char *evt_exp, char *flags) +static int add_tracepoint_multi(struct list_head *list, int *idx, + char *sys_name, char *evt_name) { char evt_path[MAXPATHLEN]; struct dirent *evt_ent; DIR *evt_dir; + int ret = 0; snprintf(evt_path, MAXPATHLEN, "%s/%s", tracing_events_path, sys_name); evt_dir = opendir(evt_path); - if (!evt_dir) { perror("Can't open event dir"); - return EVT_FAILED; + return -1; } - while ((evt_ent = readdir(evt_dir))) { - char event_opt[MAX_EVOPT_LEN + 1]; - int len; - + while (!ret && (evt_ent = readdir(evt_dir))) { if (!strcmp(evt_ent->d_name, ".") || !strcmp(evt_ent->d_name, "..") || !strcmp(evt_ent->d_name, "enable") || !strcmp(evt_ent->d_name, "filter")) continue; - if (!strglobmatch(evt_ent->d_name, evt_exp)) + if (!strglobmatch(evt_ent->d_name, evt_name)) continue; - len = snprintf(event_opt, MAX_EVOPT_LEN, "%s:%s%s%s", sys_name, - evt_ent->d_name, flags ? ":" : "", - flags ?: ""); - if (len < 0) - return EVT_FAILED; - - if (parse_events(evlist, event_opt, 0)) - return EVT_FAILED; + ret = add_tracepoint(list, idx, sys_name, evt_ent->d_name); } - return EVT_HANDLED_ALL; + return ret; } -static enum event_result -parse_tracepoint_event(struct perf_evlist *evlist, const char **strp, - struct perf_event_attr *attr) +int parse_events_add_tracepoint(struct list_head *list, int *idx, + char *sys, char *event) { - const char *evt_name; - char *flags = NULL, *comma_loc; - char sys_name[MAX_EVENT_LENGTH]; - unsigned int sys_length, evt_length; + int ret; - if (debugfs_valid_mountpoint(tracing_events_path)) - return 0; - - evt_name = strchr(*strp, ':'); - if (!evt_name) - return EVT_FAILED; - - sys_length = evt_name - *strp; - if (sys_length >= MAX_EVENT_LENGTH) - return 0; + ret = debugfs_valid_mountpoint(tracing_events_path); + if (ret) + return ret; - strncpy(sys_name, *strp, sys_length); - sys_name[sys_length] = '\0'; - evt_name = evt_name + 1; - - comma_loc = strchr(evt_name, ','); - if (comma_loc) { - /* take the event name up to the comma */ - evt_name = strndup(evt_name, comma_loc - evt_name); - } - flags = strchr(evt_name, ':'); - if (flags) { - /* split it out: */ - evt_name = strndup(evt_name, flags - evt_name); - flags++; - } - - evt_length = strlen(evt_name); - if (evt_length >= MAX_EVENT_LENGTH) - return EVT_FAILED; - if (strpbrk(evt_name, "*?")) { - *strp += strlen(sys_name) + evt_length + 1; /* 1 == the ':' */ - return parse_multiple_tracepoint_event(evlist, sys_name, - evt_name, flags); - } else { - return parse_single_tracepoint_event(sys_name, evt_name, - evt_length, attr, strp); - } + return strpbrk(event, "*?") ? + add_tracepoint_multi(list, idx, sys, event) : + add_tracepoint(list, idx, sys, event); } -static enum event_result -parse_breakpoint_type(const char *type, const char **strp, - struct perf_event_attr *attr) +static int +parse_breakpoint_type(const char *type, struct perf_event_attr *attr) { int i; for (i = 0; i < 3; i++) { - if (!type[i]) + if (!type || !type[i]) break; switch (type[i]) { @@ -589,164 +552,134 @@ parse_breakpoint_type(const char *type, const char **strp, attr->bp_type |= HW_BREAKPOINT_X; break; default: - return EVT_FAILED; + return -EINVAL; } } + if (!attr->bp_type) /* Default */ attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; - *strp = type + i; - - return EVT_HANDLED; + return 0; } -static enum event_result -parse_breakpoint_event(const char **strp, struct perf_event_attr *attr) +int parse_events_add_breakpoint(struct list_head *list, int *idx, + void *ptr, char *type) { - const char *target; - const char *type; - char *endaddr; - u64 addr; - enum event_result err; - - target = strchr(*strp, ':'); - if (!target) - return EVT_FAILED; - - if (strncmp(*strp, "mem", target - *strp) != 0) - return EVT_FAILED; - - target++; - - addr = strtoull(target, &endaddr, 0); - if (target == endaddr) - return EVT_FAILED; - - attr->bp_addr = addr; - *strp = endaddr; + struct perf_event_attr attr; + char name[MAX_NAME_LEN]; - type = strchr(target, ':'); + memset(&attr, 0, sizeof(attr)); + attr.bp_addr = (u64) ptr; - /* If no type is defined, just rw as default */ - if (!type) { - attr->bp_type = HW_BREAKPOINT_R | HW_BREAKPOINT_W; - } else { - err = parse_breakpoint_type(++type, strp, attr); - if (err == EVT_FAILED) - return EVT_FAILED; - } + if (parse_breakpoint_type(type, &attr)) + return -EINVAL; /* * We should find a nice way to override the access length * Provide some defaults for now */ - if (attr->bp_type == HW_BREAKPOINT_X) - attr->bp_len = sizeof(long); + if (attr.bp_type == HW_BREAKPOINT_X) + attr.bp_len = sizeof(long); else - attr->bp_len = HW_BREAKPOINT_LEN_4; + attr.bp_len = HW_BREAKPOINT_LEN_4; - attr->type = PERF_TYPE_BREAKPOINT; + attr.type = PERF_TYPE_BREAKPOINT; - return EVT_HANDLED; + snprintf(name, MAX_NAME_LEN, "mem:%p:%s", ptr, type ? type : "rw"); + return add_event(list, idx, &attr, name); } -static int check_events(const char *str, unsigned int i) +static int config_term(struct perf_event_attr *attr, + struct parse_events__term *term) { - int n; - - n = strlen(event_symbols[i].symbol); - if (!strncasecmp(str, event_symbols[i].symbol, n)) - return n; - - n = strlen(event_symbols[i].alias); - if (n) { - if (!strncasecmp(str, event_symbols[i].alias, n)) - return n; + switch (term->type) { + case PARSE_EVENTS__TERM_TYPE_CONFIG: + attr->config = term->val.num; + break; + case PARSE_EVENTS__TERM_TYPE_CONFIG1: + attr->config1 = term->val.num; + break; + case PARSE_EVENTS__TERM_TYPE_CONFIG2: + attr->config2 = term->val.num; + break; + case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: + attr->sample_period = term->val.num; + break; + case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: + /* + * TODO uncomment when the field is available + * attr->branch_sample_type = term->val.num; + */ + break; + default: + return -EINVAL; } - return 0; } -static enum event_result -parse_symbolic_event(const char **strp, struct perf_event_attr *attr) +static int config_attr(struct perf_event_attr *attr, + struct list_head *head, int fail) { - const char *str = *strp; - unsigned int i; - int n; - - for (i = 0; i < ARRAY_SIZE(event_symbols); i++) { - n = check_events(str, i); - if (n > 0) { - attr->type = event_symbols[i].type; - attr->config = event_symbols[i].config; - *strp = str + n; - return EVT_HANDLED; - } - } - return EVT_FAILED; + struct parse_events__term *term; + + list_for_each_entry(term, head, list) + if (config_term(attr, term) && fail) + return -EINVAL; + + return 0; } -static enum event_result -parse_raw_event(const char **strp, struct perf_event_attr *attr) +int parse_events_add_numeric(struct list_head *list, int *idx, + unsigned long type, unsigned long config, + struct list_head *head_config) { - const char *str = *strp; - u64 config; - int n; - - if (*str != 'r') - return EVT_FAILED; - n = hex2u64(str + 1, &config); - if (n > 0) { - const char *end = str + n + 1; - if (*end != '\0' && *end != ',' && *end != ':') - return EVT_FAILED; - - *strp = end; - attr->type = PERF_TYPE_RAW; - attr->config = config; - return EVT_HANDLED; - } - return EVT_FAILED; + struct perf_event_attr attr; + + memset(&attr, 0, sizeof(attr)); + attr.type = type; + attr.config = config; + + if (head_config && + config_attr(&attr, head_config, 1)) + return -EINVAL; + + return add_event(list, idx, &attr, + (char *) __event_name(type, config)); } -static enum event_result -parse_numeric_event(const char **strp, struct perf_event_attr *attr) +int parse_events_add_pmu(struct list_head *list, int *idx, + char *name, struct list_head *head_config) { - const char *str = *strp; - char *endp; - unsigned long type; - u64 config; - - type = strtoul(str, &endp, 0); - if (endp > str && type < PERF_TYPE_MAX && *endp == ':') { - str = endp + 1; - config = strtoul(str, &endp, 0); - if (endp > str) { - attr->type = type; - attr->config = config; - *strp = endp; - return EVT_HANDLED; - } - } - return EVT_FAILED; + struct perf_event_attr attr; + struct perf_pmu *pmu; + + pmu = perf_pmu__find(name); + if (!pmu) + return -EINVAL; + + memset(&attr, 0, sizeof(attr)); + + /* + * Configure hardcoded terms first, no need to check + * return value when called with fail == 0 ;) + */ + config_attr(&attr, head_config, 0); + + if (perf_pmu__config(pmu, &attr, head_config)) + return -EINVAL; + + return add_event(list, idx, &attr, (char *) "pmu"); } -static int -parse_event_modifier(const char **strp, struct perf_event_attr *attr) +int parse_events_modifier(struct list_head *list, char *str) { - const char *str = *strp; + struct perf_evsel *evsel; int exclude = 0, exclude_GH = 0; int eu = 0, ek = 0, eh = 0, eH = 0, eG = 0, precise = 0; - if (!*str) + if (str == NULL) return 0; - if (*str == ',') - return 0; - - if (*str++ != ':') - return -1; - while (*str) { if (*str == 'u') { if (!exclude) @@ -775,111 +708,60 @@ parse_event_modifier(const char **strp, struct perf_event_attr *attr) ++str; } - if (str < *strp + 2) - return -1; - *strp = str; + /* + * precise ip: + * + * 0 - SAMPLE_IP can have arbitrary skid + * 1 - SAMPLE_IP must have constant skid + * 2 - SAMPLE_IP requested to have 0 skid + * 3 - SAMPLE_IP must have 0 skid + * + * See also PERF_RECORD_MISC_EXACT_IP + */ + if (precise > 3) + return -EINVAL; - attr->exclude_user = eu; - attr->exclude_kernel = ek; - attr->exclude_hv = eh; - attr->precise_ip = precise; - attr->exclude_host = eH; - attr->exclude_guest = eG; + list_for_each_entry(evsel, list, node) { + evsel->attr.exclude_user = eu; + evsel->attr.exclude_kernel = ek; + evsel->attr.exclude_hv = eh; + evsel->attr.precise_ip = precise; + evsel->attr.exclude_host = eH; + evsel->attr.exclude_guest = eG; + } return 0; } -/* - * Each event can have multiple symbolic names. - * Symbolic names are (almost) exactly matched. - */ -static enum event_result -parse_event_symbols(struct perf_evlist *evlist, const char **str, - struct perf_event_attr *attr) +int parse_events(struct perf_evlist *evlist, const char *str, int unset __used) { - enum event_result ret; + struct perf_evsel *evsel, *h; + LIST_HEAD(list); + YY_BUFFER_STATE buffer; + int ret, idx = evlist->nr_entries; - ret = parse_tracepoint_event(evlist, str, attr); - if (ret != EVT_FAILED) - goto modifier; + buffer = parse_events__scan_string(str); - ret = parse_raw_event(str, attr); - if (ret != EVT_FAILED) - goto modifier; + ret = parse_events_parse(&list, &idx); - ret = parse_numeric_event(str, attr); - if (ret != EVT_FAILED) - goto modifier; + parse_events__flush_buffer(buffer); + parse_events__delete_buffer(buffer); - ret = parse_symbolic_event(str, attr); - if (ret != EVT_FAILED) - goto modifier; - - ret = parse_generic_hw_event(str, attr); - if (ret != EVT_FAILED) - goto modifier; + if (!ret) { + int entries = idx - evlist->nr_entries; + perf_evlist__splice_list_tail(evlist, &list, entries); + return 0; + } - ret = parse_breakpoint_event(str, attr); - if (ret != EVT_FAILED) - goto modifier; + list_for_each_entry_safe(evsel, h, &list, node) + perf_evsel__delete(evsel); - fprintf(stderr, "invalid or unsupported event: '%s'\n", *str); + fprintf(stderr, "invalid or unsupported event: '%s'\n", str); fprintf(stderr, "Run 'perf list' for a list of valid events\n"); - return EVT_FAILED; - -modifier: - if (parse_event_modifier(str, attr) < 0) { - fprintf(stderr, "invalid event modifier: '%s'\n", *str); - fprintf(stderr, "Run 'perf list' for a list of valid events and modifiers\n"); - - return EVT_FAILED; - } - return ret; } -int parse_events(struct perf_evlist *evlist , const char *str, int unset __used) -{ - struct perf_event_attr attr; - enum event_result ret; - const char *ostr; - - for (;;) { - ostr = str; - memset(&attr, 0, sizeof(attr)); - event_attr_init(&attr); - ret = parse_event_symbols(evlist, &str, &attr); - if (ret == EVT_FAILED) - return -1; - - if (!(*str == 0 || *str == ',' || isspace(*str))) - return -1; - - if (ret != EVT_HANDLED_ALL) { - struct perf_evsel *evsel; - evsel = perf_evsel__new(&attr, evlist->nr_entries); - if (evsel == NULL) - return -1; - perf_evlist__add(evlist, evsel); - - evsel->name = calloc(str - ostr + 1, 1); - if (!evsel->name) - return -1; - strncpy(evsel->name, ostr, str - ostr); - } - - if (*str == 0) - break; - if (*str == ',') - ++str; - while (isspace(*str)) - ++str; - } - - return 0; -} - int parse_events_option(const struct option *opt, const char *str, int unset __used) { @@ -1052,8 +934,6 @@ int print_hwcache_events(const char *event_glob) return printed; } -#define MAX_NAME_LEN 100 - /* * Print the help text for the event symbols: */ @@ -1102,8 +982,12 @@ void print_events(const char *event_glob) printf("\n"); printf(" %-50s [%s]\n", - "rNNN (see 'perf list --help' on how to encode it)", + "rNNN", + event_type_descriptors[PERF_TYPE_RAW]); + printf(" %-50s [%s]\n", + "cpu/t1=v1[,t2=v2,t3 ...]/modifier", event_type_descriptors[PERF_TYPE_RAW]); + printf(" (see 'perf list --help' on how to encode it)\n"); printf("\n"); printf(" %-50s [%s]\n", @@ -1113,3 +997,51 @@ void print_events(const char *event_glob) print_tracepoint_events(NULL, NULL); } + +int parse_events__is_hardcoded_term(struct parse_events__term *term) +{ + return term->type <= PARSE_EVENTS__TERM_TYPE_HARDCODED_MAX; +} + +int parse_events__new_term(struct parse_events__term **_term, int type, + char *config, char *str, long num) +{ + struct parse_events__term *term; + + term = zalloc(sizeof(*term)); + if (!term) + return -ENOMEM; + + INIT_LIST_HEAD(&term->list); + term->type = type; + term->config = config; + + switch (type) { + case PARSE_EVENTS__TERM_TYPE_CONFIG: + case PARSE_EVENTS__TERM_TYPE_CONFIG1: + case PARSE_EVENTS__TERM_TYPE_CONFIG2: + case PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD: + case PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE: + case PARSE_EVENTS__TERM_TYPE_NUM: + term->val.num = num; + break; + case PARSE_EVENTS__TERM_TYPE_STR: + term->val.str = str; + break; + default: + return -EINVAL; + } + + *_term = term; + return 0; +} + +void parse_events__free_terms(struct list_head *terms) +{ + struct parse_events__term *term, *h; + + list_for_each_entry_safe(term, h, terms, list) + free(term); + + free(terms); +} diff --git a/tools/perf/util/parse-events.h b/tools/perf/util/parse-events.h index 7e0cbe75d5f..6d7c74b77c2 100644 --- a/tools/perf/util/parse-events.h +++ b/tools/perf/util/parse-events.h @@ -33,6 +33,52 @@ extern int parse_filter(const struct option *opt, const char *str, int unset); #define EVENTS_HELP_MAX (128*1024) +enum { + PARSE_EVENTS__TERM_TYPE_CONFIG, + PARSE_EVENTS__TERM_TYPE_CONFIG1, + PARSE_EVENTS__TERM_TYPE_CONFIG2, + PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD, + PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE, + PARSE_EVENTS__TERM_TYPE_NUM, + PARSE_EVENTS__TERM_TYPE_STR, + + PARSE_EVENTS__TERM_TYPE_HARDCODED_MAX = + PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE, +}; + +struct parse_events__term { + char *config; + union { + char *str; + long num; + } val; + int type; + + struct list_head list; +}; + +int parse_events__is_hardcoded_term(struct parse_events__term *term); +int parse_events__new_term(struct parse_events__term **term, int type, + char *config, char *str, long num); +void parse_events__free_terms(struct list_head *terms); +int parse_events_modifier(struct list_head *list __used, char *str __used); +int parse_events_add_tracepoint(struct list_head *list, int *idx, + char *sys, char *event); +int parse_events_add_raw(struct perf_evlist *evlist, unsigned long config, + unsigned long config1, unsigned long config2, + char *mod); +int parse_events_add_numeric(struct list_head *list, int *idx, + unsigned long type, unsigned long config, + struct list_head *head_config); +int parse_events_add_cache(struct list_head *list, int *idx, + char *type, char *op_result1, char *op_result2); +int parse_events_add_breakpoint(struct list_head *list, int *idx, + void *ptr, char *type); +int parse_events_add_pmu(struct list_head *list, int *idx, + char *pmu , struct list_head *head_config); +void parse_events_error(struct list_head *list, int *idx, + char const *msg); + void print_events(const char *event_glob); void print_events_type(u8 type); void print_tracepoint_events(const char *subsys_glob, const char *event_glob); diff --git a/tools/perf/util/parse-events.l b/tools/perf/util/parse-events.l new file mode 100644 index 00000000000..ab9eca120fe --- /dev/null +++ b/tools/perf/util/parse-events.l @@ -0,0 +1,126 @@ + +%option prefix="parse_events_" + +%{ +#include <errno.h> +#include "../perf.h" +#include "parse-events-bison.h" +#include "parse-events.h" + +static int __value(char *str, int base, int token) +{ + long num; + + errno = 0; + num = strtoul(str, NULL, base); + if (errno) + return PE_ERROR; + + parse_events_lval.num = num; + return token; +} + +static int value(int base) +{ + return __value(parse_events_text, base, PE_VALUE); +} + +static int raw(void) +{ + return __value(parse_events_text + 1, 16, PE_RAW); +} + +static int str(int token) +{ + parse_events_lval.str = strdup(parse_events_text); + return token; +} + +static int sym(int type, int config) +{ + parse_events_lval.num = (type << 16) + config; + return PE_VALUE_SYM; +} + +static int term(int type) +{ + parse_events_lval.num = type; + return PE_TERM; +} + +%} + +num_dec [0-9]+ +num_hex 0x[a-fA-F0-9]+ +num_raw_hex [a-fA-F0-9]+ +name [a-zA-Z_*?][a-zA-Z0-9_*?]* +modifier_event [ukhp]{1,5} +modifier_bp [rwx] + +%% +cpu-cycles|cycles { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CPU_CYCLES); } +stalled-cycles-frontend|idle-cycles-frontend { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_FRONTEND); } +stalled-cycles-backend|idle-cycles-backend { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_STALLED_CYCLES_BACKEND); } +instructions { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_INSTRUCTIONS); } +cache-references { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_REFERENCES); } +cache-misses { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_CACHE_MISSES); } +branch-instructions|branches { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_INSTRUCTIONS); } +branch-misses { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BRANCH_MISSES); } +bus-cycles { return sym(PERF_TYPE_HARDWARE, PERF_COUNT_HW_BUS_CYCLES); } +cpu-clock { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_CLOCK); } +task-clock { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_TASK_CLOCK); } +page-faults|faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS); } +minor-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MIN); } +major-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_PAGE_FAULTS_MAJ); } +context-switches|cs { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CONTEXT_SWITCHES); } +cpu-migrations|migrations { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_CPU_MIGRATIONS); } +alignment-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_ALIGNMENT_FAULTS); } +emulation-faults { return sym(PERF_TYPE_SOFTWARE, PERF_COUNT_SW_EMULATION_FAULTS); } + +L1-dcache|l1-d|l1d|L1-data | +L1-icache|l1-i|l1i|L1-instruction | +LLC|L2 | +dTLB|d-tlb|Data-TLB | +iTLB|i-tlb|Instruction-TLB | +branch|branches|bpu|btb|bpc | +node { return str(PE_NAME_CACHE_TYPE); } + +load|loads|read | +store|stores|write | +prefetch|prefetches | +speculative-read|speculative-load | +refs|Reference|ops|access | +misses|miss { return str(PE_NAME_CACHE_OP_RESULT); } + + /* + * These are event config hardcoded term names to be specified + * within xxx/.../ syntax. So far we dont clash with other names, + * so we can put them here directly. In case the we have a conflict + * in future, this needs to go into '//' condition block. + */ +config { return term(PARSE_EVENTS__TERM_TYPE_CONFIG); } +config1 { return term(PARSE_EVENTS__TERM_TYPE_CONFIG1); } +config2 { return term(PARSE_EVENTS__TERM_TYPE_CONFIG2); } +period { return term(PARSE_EVENTS__TERM_TYPE_SAMPLE_PERIOD); } +branch_type { return term(PARSE_EVENTS__TERM_TYPE_BRANCH_SAMPLE_TYPE); } + +mem: { return PE_PREFIX_MEM; } +r{num_raw_hex} { return raw(); } +{num_dec} { return value(10); } +{num_hex} { return value(16); } + +{modifier_event} { return str(PE_MODIFIER_EVENT); } +{modifier_bp} { return str(PE_MODIFIER_BP); } +{name} { return str(PE_NAME); } +"/" { return '/'; } +- { return '-'; } +, { return ','; } +: { return ':'; } += { return '='; } + +%% + +int parse_events_wrap(void) +{ + return 1; +} diff --git a/tools/perf/util/parse-events.y b/tools/perf/util/parse-events.y new file mode 100644 index 00000000000..3a530193f5a --- /dev/null +++ b/tools/perf/util/parse-events.y @@ -0,0 +1,217 @@ + +%name-prefix "parse_events_" +%parse-param {struct list_head *list} +%parse-param {int *idx} + +%{ + +#define YYDEBUG 1 + +#include <linux/compiler.h> +#include <linux/list.h> +#include "types.h" +#include "util.h" +#include "parse-events.h" + +extern int parse_events_lex (void); + +#define ABORT_ON(val) \ +do { \ + if (val) \ + YYABORT; \ +} while (0) + +%} + +%token PE_VALUE PE_VALUE_SYM PE_RAW PE_TERM +%token PE_NAME +%token PE_MODIFIER_EVENT PE_MODIFIER_BP +%token PE_NAME_CACHE_TYPE PE_NAME_CACHE_OP_RESULT +%token PE_PREFIX_MEM PE_PREFIX_RAW +%token PE_ERROR +%type <num> PE_VALUE +%type <num> PE_VALUE_SYM +%type <num> PE_RAW +%type <num> PE_TERM +%type <str> PE_NAME +%type <str> PE_NAME_CACHE_TYPE +%type <str> PE_NAME_CACHE_OP_RESULT +%type <str> PE_MODIFIER_EVENT +%type <str> PE_MODIFIER_BP +%type <head> event_config +%type <term> event_term + +%union +{ + char *str; + unsigned long num; + struct list_head *head; + struct parse_events__term *term; +} +%% + +events: +events ',' event | event + +event: +event_def PE_MODIFIER_EVENT +{ + ABORT_ON(parse_events_modifier(list, $2)); +} +| +event_def + +event_def: event_pmu | + event_legacy_symbol | + event_legacy_cache sep_dc | + event_legacy_mem | + event_legacy_tracepoint sep_dc | + event_legacy_numeric sep_dc | + event_legacy_raw sep_dc + +event_pmu: +PE_NAME '/' event_config '/' +{ + ABORT_ON(parse_events_add_pmu(list, idx, $1, $3)); + parse_events__free_terms($3); +} + +event_legacy_symbol: +PE_VALUE_SYM '/' event_config '/' +{ + int type = $1 >> 16; + int config = $1 & 255; + + ABORT_ON(parse_events_add_numeric(list, idx, type, config, $3)); + parse_events__free_terms($3); +} +| +PE_VALUE_SYM sep_slash_dc +{ + int type = $1 >> 16; + int config = $1 & 255; + + ABORT_ON(parse_events_add_numeric(list, idx, type, config, NULL)); +} + +event_legacy_cache: +PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT '-' PE_NAME_CACHE_OP_RESULT +{ + ABORT_ON(parse_events_add_cache(list, idx, $1, $3, $5)); +} +| +PE_NAME_CACHE_TYPE '-' PE_NAME_CACHE_OP_RESULT +{ + ABORT_ON(parse_events_add_cache(list, idx, $1, $3, NULL)); +} +| +PE_NAME_CACHE_TYPE +{ + ABORT_ON(parse_events_add_cache(list, idx, $1, NULL, NULL)); +} + +event_legacy_mem: +PE_PREFIX_MEM PE_VALUE ':' PE_MODIFIER_BP sep_dc +{ + ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) $2, $4)); +} +| +PE_PREFIX_MEM PE_VALUE sep_dc +{ + ABORT_ON(parse_events_add_breakpoint(list, idx, (void *) $2, NULL)); +} + +event_legacy_tracepoint: +PE_NAME ':' PE_NAME +{ + ABORT_ON(parse_events_add_tracepoint(list, idx, $1, $3)); +} + +event_legacy_numeric: +PE_VALUE ':' PE_VALUE +{ + ABORT_ON(parse_events_add_numeric(list, idx, $1, $3, NULL)); +} + +event_legacy_raw: +PE_RAW +{ + ABORT_ON(parse_events_add_numeric(list, idx, PERF_TYPE_RAW, $1, NULL)); +} + +event_config: +event_config ',' event_term +{ + struct list_head *head = $1; + struct parse_events__term *term = $3; + + ABORT_ON(!head); + list_add_tail(&term->list, head); + $$ = $1; +} +| +event_term +{ + struct list_head *head = malloc(sizeof(*head)); + struct parse_events__term *term = $1; + + ABORT_ON(!head); + INIT_LIST_HEAD(head); + list_add_tail(&term->list, head); + $$ = head; +} + +event_term: +PE_NAME '=' PE_NAME +{ + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_STR, + $1, $3, 0)); + $$ = term; +} +| +PE_NAME '=' PE_VALUE +{ + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM, + $1, NULL, $3)); + $$ = term; +} +| +PE_NAME +{ + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, PARSE_EVENTS__TERM_TYPE_NUM, + $1, NULL, 1)); + $$ = term; +} +| +PE_TERM '=' PE_VALUE +{ + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, $3)); + $$ = term; +} +| +PE_TERM +{ + struct parse_events__term *term; + + ABORT_ON(parse_events__new_term(&term, $1, NULL, NULL, 1)); + $$ = term; +} + +sep_dc: ':' | + +sep_slash_dc: '/' | ':' | + +%% + +void parse_events_error(struct list_head *list __used, int *idx __used, + char const *msg __used) +{ +} diff --git a/tools/perf/util/pmu-bison.c b/tools/perf/util/pmu-bison.c new file mode 100644 index 00000000000..343521ec589 --- /dev/null +++ b/tools/perf/util/pmu-bison.c @@ -0,0 +1,1663 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton implementation for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + +/* C LALR(1) parser skeleton written by Richard Stallman, by + simplifying the original so-called "semantic" parser. */ + +/* All symbols defined below should begin with yy or YY, to avoid + infringing on user name space. This should be done even for local + variables, as they might otherwise be expanded by user macros. + There are some unavoidable exceptions within include files to + define necessary library symbols; they are noted "INFRINGES ON + USER NAME SPACE" below. */ + +/* Identify Bison output. */ +#define YYBISON 1 + +/* Bison version. */ +#define YYBISON_VERSION "2.4.3" + +/* Skeleton name. */ +#define YYSKELETON_NAME "yacc.c" + +/* Pure parsers. */ +#define YYPURE 0 + +/* Push parsers. */ +#define YYPUSH 0 + +/* Pull parsers. */ +#define YYPULL 1 + +/* Using locations. */ +#define YYLSP_NEEDED 0 + +/* Substitute the variable and function names. */ +#define yyparse perf_pmu_parse +#define yylex perf_pmu_lex +#define yyerror perf_pmu_error +#define yylval perf_pmu_lval +#define yychar perf_pmu_char +#define yydebug perf_pmu_debug +#define yynerrs perf_pmu_nerrs + + +/* Copy the first part of user declarations. */ + +/* Line 189 of yacc.c */ +#line 6 "util/pmu.y" + + +#include <linux/compiler.h> +#include <linux/list.h> +#include <linux/bitmap.h> +#include <string.h> +#include "pmu.h" + +extern int perf_pmu_lex (void); + +#define ABORT_ON(val) \ +do { \ + if (val) \ + YYABORT; \ +} while (0) + + + +/* Line 189 of yacc.c */ +#line 99 "util/pmu-bison.c" + +/* Enabling traces. */ +#ifndef YYDEBUG +# define YYDEBUG 0 +#endif + +/* Enabling verbose error messages. */ +#ifdef YYERROR_VERBOSE +# undef YYERROR_VERBOSE +# define YYERROR_VERBOSE 1 +#else +# define YYERROR_VERBOSE 0 +#endif + +/* Enabling the token table. */ +#ifndef YYTOKEN_TABLE +# define YYTOKEN_TABLE 0 +#endif + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + PP_CONFIG = 258, + PP_CONFIG1 = 259, + PP_CONFIG2 = 260, + PP_VALUE = 261, + PP_ERROR = 262 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +{ + +/* Line 214 of yacc.c */ +#line 31 "util/pmu.y" + + unsigned long num; + DECLARE_BITMAP(bits, PERF_PMU_FORMAT_BITS); + + + +/* Line 214 of yacc.c */ +#line 149 "util/pmu-bison.c" +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + + +/* Copy the second part of user declarations. */ + + +/* Line 264 of yacc.c */ +#line 161 "util/pmu-bison.c" + +#ifdef short +# undef short +#endif + +#ifdef YYTYPE_UINT8 +typedef YYTYPE_UINT8 yytype_uint8; +#else +typedef unsigned char yytype_uint8; +#endif + +#ifdef YYTYPE_INT8 +typedef YYTYPE_INT8 yytype_int8; +#elif (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +typedef signed char yytype_int8; +#else +typedef short int yytype_int8; +#endif + +#ifdef YYTYPE_UINT16 +typedef YYTYPE_UINT16 yytype_uint16; +#else +typedef unsigned short int yytype_uint16; +#endif + +#ifdef YYTYPE_INT16 +typedef YYTYPE_INT16 yytype_int16; +#else +typedef short int yytype_int16; +#endif + +#ifndef YYSIZE_T +# ifdef __SIZE_TYPE__ +# define YYSIZE_T __SIZE_TYPE__ +# elif defined size_t +# define YYSIZE_T size_t +# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stddef.h> /* INFRINGES ON USER NAME SPACE */ +# define YYSIZE_T size_t +# else +# define YYSIZE_T unsigned int +# endif +#endif + +#define YYSIZE_MAXIMUM ((YYSIZE_T) -1) + +#ifndef YY_ +# if defined YYENABLE_NLS && YYENABLE_NLS +# if ENABLE_NLS +# include <libintl.h> /* INFRINGES ON USER NAME SPACE */ +# define YY_(msgid) dgettext ("bison-runtime", msgid) +# endif +# endif +# ifndef YY_ +# define YY_(msgid) msgid +# endif +#endif + +/* Suppress unused-variable warnings by "using" E. */ +#if ! defined lint || defined __GNUC__ +# define YYUSE(e) ((void) (e)) +#else +# define YYUSE(e) /* empty */ +#endif + +/* Identity function, used to suppress warnings about constant conditions. */ +#ifndef lint +# define YYID(n) (n) +#else +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static int +YYID (int yyi) +#else +static int +YYID (yyi) + int yyi; +#endif +{ + return yyi; +} +#endif + +#if ! defined yyoverflow || YYERROR_VERBOSE + +/* The parser invokes alloca or malloc; define the necessary symbols. */ + +# ifdef YYSTACK_USE_ALLOCA +# if YYSTACK_USE_ALLOCA +# ifdef __GNUC__ +# define YYSTACK_ALLOC __builtin_alloca +# elif defined __BUILTIN_VA_ARG_INCR +# include <alloca.h> /* INFRINGES ON USER NAME SPACE */ +# elif defined _AIX +# define YYSTACK_ALLOC __alloca +# elif defined _MSC_VER +# include <malloc.h> /* INFRINGES ON USER NAME SPACE */ +# define alloca _alloca +# else +# define YYSTACK_ALLOC alloca +# if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# endif +# endif +# endif + +# ifdef YYSTACK_ALLOC + /* Pacify GCC's `empty if-body' warning. */ +# define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) +# ifndef YYSTACK_ALLOC_MAXIMUM + /* The OS might guarantee only one guard page at the bottom of the stack, + and a page size can be as small as 4096 bytes. So we cannot safely + invoke alloca (N) if N exceeds 4096. Use a slightly smaller number + to allow for a few compiler-allocated temporary stack slots. */ +# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ +# endif +# else +# define YYSTACK_ALLOC YYMALLOC +# define YYSTACK_FREE YYFREE +# ifndef YYSTACK_ALLOC_MAXIMUM +# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM +# endif +# if (defined __cplusplus && ! defined _STDLIB_H \ + && ! ((defined YYMALLOC || defined malloc) \ + && (defined YYFREE || defined free))) +# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ +# ifndef _STDLIB_H +# define _STDLIB_H 1 +# endif +# endif +# ifndef YYMALLOC +# define YYMALLOC malloc +# if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# ifndef YYFREE +# define YYFREE free +# if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +void free (void *); /* INFRINGES ON USER NAME SPACE */ +# endif +# endif +# endif +#endif /* ! defined yyoverflow || YYERROR_VERBOSE */ + + +#if (! defined yyoverflow \ + && (! defined __cplusplus \ + || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL))) + +/* A type that is properly aligned for any stack member. */ +union yyalloc +{ + yytype_int16 yyss_alloc; + YYSTYPE yyvs_alloc; +}; + +/* The size of the maximum gap between one aligned stack and the next. */ +# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) + +/* The size of an array large to enough to hold all stacks, each with + N elements. */ +# define YYSTACK_BYTES(N) \ + ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ + + YYSTACK_GAP_MAXIMUM) + +/* Copy COUNT objects from FROM to TO. The source and destination do + not overlap. */ +# ifndef YYCOPY +# if defined __GNUC__ && 1 < __GNUC__ +# define YYCOPY(To, From, Count) \ + __builtin_memcpy (To, From, (Count) * sizeof (*(From))) +# else +# define YYCOPY(To, From, Count) \ + do \ + { \ + YYSIZE_T yyi; \ + for (yyi = 0; yyi < (Count); yyi++) \ + (To)[yyi] = (From)[yyi]; \ + } \ + while (YYID (0)) +# endif +# endif + +/* Relocate STACK from its old location to the new one. The + local variables YYSIZE and YYSTACKSIZE give the old and new number of + elements in the stack, and YYPTR gives the new location of the + stack. Advance YYPTR to a properly aligned location for the next + stack. */ +# define YYSTACK_RELOCATE(Stack_alloc, Stack) \ + do \ + { \ + YYSIZE_T yynewbytes; \ + YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ + Stack = &yyptr->Stack_alloc; \ + yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ + yyptr += yynewbytes / sizeof (*yyptr); \ + } \ + while (YYID (0)) + +#endif + +/* YYFINAL -- State number of the termination state. */ +#define YYFINAL 9 +/* YYLAST -- Last index in YYTABLE. */ +#define YYLAST 17 + +/* YYNTOKENS -- Number of terminals. */ +#define YYNTOKENS 11 +/* YYNNTS -- Number of nonterminals. */ +#define YYNNTS 5 +/* YYNRULES -- Number of rules. */ +#define YYNRULES 10 +/* YYNRULES -- Number of states. */ +#define YYNSTATES 20 + +/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ +#define YYUNDEFTOK 2 +#define YYMAXUTOK 262 + +#define YYTRANSLATE(YYX) \ + ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) + +/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ +static const yytype_uint8 yytranslate[] = +{ + 0, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 9, 10, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 8, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 1, 2, 3, 4, + 5, 6, 7 +}; + +#if YYDEBUG +/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in + YYRHS. */ +static const yytype_uint8 yyprhs[] = +{ + 0, 0, 3, 6, 8, 12, 16, 20, 24, 26, + 30 +}; + +/* YYRHS -- A `-1'-separated list of the rules' RHS. */ +static const yytype_int8 yyrhs[] = +{ + 12, 0, -1, 12, 13, -1, 13, -1, 3, 8, + 14, -1, 4, 8, 14, -1, 5, 8, 14, -1, + 14, 9, 15, -1, 15, -1, 6, 10, 6, -1, + 6, -1 +}; + +/* YYRLINE[YYN] -- source line where rule number YYN was defined. */ +static const yytype_uint8 yyrline[] = +{ + 0, 39, 39, 41, 44, 51, 58, 66, 71, 77, + 82 +}; +#endif + +#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE +/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. + First, the terminals, then, starting at YYNTOKENS, nonterminals. */ +static const char *const yytname[] = +{ + "$end", "error", "$undefined", "PP_CONFIG", "PP_CONFIG1", "PP_CONFIG2", + "PP_VALUE", "PP_ERROR", "':'", "','", "'-'", "$accept", "format", + "format_term", "bits", "bit_term", 0 +}; +#endif + +# ifdef YYPRINT +/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to + token YYLEX-NUM. */ +static const yytype_uint16 yytoknum[] = +{ + 0, 256, 257, 258, 259, 260, 261, 262, 58, 44, + 45 +}; +# endif + +/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ +static const yytype_uint8 yyr1[] = +{ + 0, 11, 12, 12, 13, 13, 13, 14, 14, 15, + 15 +}; + +/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ +static const yytype_uint8 yyr2[] = +{ + 0, 2, 2, 1, 3, 3, 3, 3, 1, 3, + 1 +}; + +/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state + STATE-NUM when YYTABLE doesn't specify something else to do. Zero + means the default is an error. */ +static const yytype_uint8 yydefact[] = +{ + 0, 0, 0, 0, 0, 3, 0, 0, 0, 1, + 2, 10, 4, 8, 5, 6, 0, 0, 9, 7 +}; + +/* YYDEFGOTO[NTERM-NUM]. */ +static const yytype_int8 yydefgoto[] = +{ + -1, 4, 5, 12, 13 +}; + +/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing + STATE-NUM. */ +#define YYPACT_NINF -7 +static const yytype_int8 yypact[] = +{ + 3, 1, 2, 4, 0, -7, 5, 5, 5, -7, + -7, 6, 8, -7, 8, 8, 7, 5, -7, -7 +}; + +/* YYPGOTO[NTERM-NUM]. */ +static const yytype_int8 yypgoto[] = +{ + -7, -7, 10, -6, -2 +}; + +/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If + positive, shift that token. If negative, reduce the rule which + number is the opposite. If zero, do what YYDEFACT says. + If YYTABLE_NINF, syntax error. */ +#define YYTABLE_NINF -1 +static const yytype_uint8 yytable[] = +{ + 9, 14, 15, 1, 2, 3, 1, 2, 3, 6, + 7, 11, 8, 18, 10, 19, 16, 17 +}; + +static const yytype_uint8 yycheck[] = +{ + 0, 7, 8, 3, 4, 5, 3, 4, 5, 8, + 8, 6, 8, 6, 4, 17, 10, 9 +}; + +/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing + symbol of state STATE-NUM. */ +static const yytype_uint8 yystos[] = +{ + 0, 3, 4, 5, 12, 13, 8, 8, 8, 0, + 13, 6, 14, 15, 14, 14, 10, 9, 6, 15 +}; + +#define yyerrok (yyerrstatus = 0) +#define yyclearin (yychar = YYEMPTY) +#define YYEMPTY (-2) +#define YYEOF 0 + +#define YYACCEPT goto yyacceptlab +#define YYABORT goto yyabortlab +#define YYERROR goto yyerrorlab + + +/* Like YYERROR except do call yyerror. This remains here temporarily + to ease the transition to the new meaning of YYERROR, for GCC. + Once GCC version 2 has supplanted version 1, this can go. However, + YYFAIL appears to be in use. Nevertheless, it is formally deprecated + in Bison 2.4.2's NEWS entry, where a plan to phase it out is + discussed. */ + +#define YYFAIL goto yyerrlab +#if defined YYFAIL + /* This is here to suppress warnings from the GCC cpp's + -Wunused-macros. Normally we don't worry about that warning, but + some users do, and we want to make it easy for users to remove + YYFAIL uses, which will produce warnings from Bison 2.5. */ +#endif + +#define YYRECOVERING() (!!yyerrstatus) + +#define YYBACKUP(Token, Value) \ +do \ + if (yychar == YYEMPTY && yylen == 1) \ + { \ + yychar = (Token); \ + yylval = (Value); \ + yytoken = YYTRANSLATE (yychar); \ + YYPOPSTACK (1); \ + goto yybackup; \ + } \ + else \ + { \ + yyerror (format, name, YY_("syntax error: cannot back up")); \ + YYERROR; \ + } \ +while (YYID (0)) + + +#define YYTERROR 1 +#define YYERRCODE 256 + + +/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N]. + If N is 0, then set CURRENT to the empty location which ends + the previous symbol: RHS[0] (always defined). */ + +#define YYRHSLOC(Rhs, K) ((Rhs)[K]) +#ifndef YYLLOC_DEFAULT +# define YYLLOC_DEFAULT(Current, Rhs, N) \ + do \ + if (YYID (N)) \ + { \ + (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \ + (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \ + (Current).last_line = YYRHSLOC (Rhs, N).last_line; \ + (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ + } \ + else \ + { \ + (Current).first_line = (Current).last_line = \ + YYRHSLOC (Rhs, 0).last_line; \ + (Current).first_column = (Current).last_column = \ + YYRHSLOC (Rhs, 0).last_column; \ + } \ + while (YYID (0)) +#endif + + +/* YY_LOCATION_PRINT -- Print the location on the stream. + This macro was not mandated originally: define only if we know + we won't break user code: when these are the locations we know. */ + +#ifndef YY_LOCATION_PRINT +# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL +# define YY_LOCATION_PRINT(File, Loc) \ + fprintf (File, "%d.%d-%d.%d", \ + (Loc).first_line, (Loc).first_column, \ + (Loc).last_line, (Loc).last_column) +# else +# define YY_LOCATION_PRINT(File, Loc) ((void) 0) +# endif +#endif + + +/* YYLEX -- calling `yylex' with the right arguments. */ + +#ifdef YYLEX_PARAM +# define YYLEX yylex (YYLEX_PARAM) +#else +# define YYLEX yylex () +#endif + +/* Enable debugging if requested. */ +#if YYDEBUG + +# ifndef YYFPRINTF +# include <stdio.h> /* INFRINGES ON USER NAME SPACE */ +# define YYFPRINTF fprintf +# endif + +# define YYDPRINTF(Args) \ +do { \ + if (yydebug) \ + YYFPRINTF Args; \ +} while (YYID (0)) + +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ +do { \ + if (yydebug) \ + { \ + YYFPRINTF (stderr, "%s ", Title); \ + yy_symbol_print (stderr, \ + Type, Value, format, name); \ + YYFPRINTF (stderr, "\n"); \ + } \ +} while (YYID (0)) + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, struct list_head *format, char *name) +#else +static void +yy_symbol_value_print (yyoutput, yytype, yyvaluep, format, name) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + struct list_head *format; + char *name; +#endif +{ + if (!yyvaluep) + return; + YYUSE (format); + YYUSE (name); +# ifdef YYPRINT + if (yytype < YYNTOKENS) + YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep); +# else + YYUSE (yyoutput); +# endif + switch (yytype) + { + default: + break; + } +} + + +/*--------------------------------. +| Print this symbol on YYOUTPUT. | +`--------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep, struct list_head *format, char *name) +#else +static void +yy_symbol_print (yyoutput, yytype, yyvaluep, format, name) + FILE *yyoutput; + int yytype; + YYSTYPE const * const yyvaluep; + struct list_head *format; + char *name; +#endif +{ + if (yytype < YYNTOKENS) + YYFPRINTF (yyoutput, "token %s (", yytname[yytype]); + else + YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]); + + yy_symbol_value_print (yyoutput, yytype, yyvaluep, format, name); + YYFPRINTF (yyoutput, ")"); +} + +/*------------------------------------------------------------------. +| yy_stack_print -- Print the state stack from its BOTTOM up to its | +| TOP (included). | +`------------------------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_stack_print (yytype_int16 *yybottom, yytype_int16 *yytop) +#else +static void +yy_stack_print (yybottom, yytop) + yytype_int16 *yybottom; + yytype_int16 *yytop; +#endif +{ + YYFPRINTF (stderr, "Stack now"); + for (; yybottom <= yytop; yybottom++) + { + int yybot = *yybottom; + YYFPRINTF (stderr, " %d", yybot); + } + YYFPRINTF (stderr, "\n"); +} + +# define YY_STACK_PRINT(Bottom, Top) \ +do { \ + if (yydebug) \ + yy_stack_print ((Bottom), (Top)); \ +} while (YYID (0)) + + +/*------------------------------------------------. +| Report that the YYRULE is going to be reduced. | +`------------------------------------------------*/ + +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yy_reduce_print (YYSTYPE *yyvsp, int yyrule, struct list_head *format, char *name) +#else +static void +yy_reduce_print (yyvsp, yyrule, format, name) + YYSTYPE *yyvsp; + int yyrule; + struct list_head *format; + char *name; +#endif +{ + int yynrhs = yyr2[yyrule]; + int yyi; + unsigned long int yylno = yyrline[yyrule]; + YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", + yyrule - 1, yylno); + /* The symbols being reduced. */ + for (yyi = 0; yyi < yynrhs; yyi++) + { + YYFPRINTF (stderr, " $%d = ", yyi + 1); + yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], + &(yyvsp[(yyi + 1) - (yynrhs)]) + , format, name); + YYFPRINTF (stderr, "\n"); + } +} + +# define YY_REDUCE_PRINT(Rule) \ +do { \ + if (yydebug) \ + yy_reduce_print (yyvsp, Rule, format, name); \ +} while (YYID (0)) + +/* Nonzero means print parse trace. It is left uninitialized so that + multiple parsers can coexist. */ +int yydebug; +#else /* !YYDEBUG */ +# define YYDPRINTF(Args) +# define YY_SYMBOL_PRINT(Title, Type, Value, Location) +# define YY_STACK_PRINT(Bottom, Top) +# define YY_REDUCE_PRINT(Rule) +#endif /* !YYDEBUG */ + + +/* YYINITDEPTH -- initial size of the parser's stacks. */ +#ifndef YYINITDEPTH +# define YYINITDEPTH 200 +#endif + +/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only + if the built-in stack extension method is used). + + Do not make this value too large; the results are undefined if + YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) + evaluated with infinite-precision integer arithmetic. */ + +#ifndef YYMAXDEPTH +# define YYMAXDEPTH 10000 +#endif + + + +#if YYERROR_VERBOSE + +# ifndef yystrlen +# if defined __GLIBC__ && defined _STRING_H +# define yystrlen strlen +# else +/* Return the length of YYSTR. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static YYSIZE_T +yystrlen (const char *yystr) +#else +static YYSIZE_T +yystrlen (yystr) + const char *yystr; +#endif +{ + YYSIZE_T yylen; + for (yylen = 0; yystr[yylen]; yylen++) + continue; + return yylen; +} +# endif +# endif + +# ifndef yystpcpy +# if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE +# define yystpcpy stpcpy +# else +/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in + YYDEST. */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static char * +yystpcpy (char *yydest, const char *yysrc) +#else +static char * +yystpcpy (yydest, yysrc) + char *yydest; + const char *yysrc; +#endif +{ + char *yyd = yydest; + const char *yys = yysrc; + + while ((*yyd++ = *yys++) != '\0') + continue; + + return yyd - 1; +} +# endif +# endif + +# ifndef yytnamerr +/* Copy to YYRES the contents of YYSTR after stripping away unnecessary + quotes and backslashes, so that it's suitable for yyerror. The + heuristic is that double-quoting is unnecessary unless the string + contains an apostrophe, a comma, or backslash (other than + backslash-backslash). YYSTR is taken from yytname. If YYRES is + null, do not copy; instead, return the length of what the result + would have been. */ +static YYSIZE_T +yytnamerr (char *yyres, const char *yystr) +{ + if (*yystr == '"') + { + YYSIZE_T yyn = 0; + char const *yyp = yystr; + + for (;;) + switch (*++yyp) + { + case '\'': + case ',': + goto do_not_strip_quotes; + + case '\\': + if (*++yyp != '\\') + goto do_not_strip_quotes; + /* Fall through. */ + default: + if (yyres) + yyres[yyn] = *yyp; + yyn++; + break; + + case '"': + if (yyres) + yyres[yyn] = '\0'; + return yyn; + } + do_not_strip_quotes: ; + } + + if (! yyres) + return yystrlen (yystr); + + return yystpcpy (yyres, yystr) - yyres; +} +# endif + +/* Copy into YYRESULT an error message about the unexpected token + YYCHAR while in state YYSTATE. Return the number of bytes copied, + including the terminating null byte. If YYRESULT is null, do not + copy anything; just return the number of bytes that would be + copied. As a special case, return 0 if an ordinary "syntax error" + message will do. Return YYSIZE_MAXIMUM if overflow occurs during + size calculation. */ +static YYSIZE_T +yysyntax_error (char *yyresult, int yystate, int yychar) +{ + int yyn = yypact[yystate]; + + if (! (YYPACT_NINF < yyn && yyn <= YYLAST)) + return 0; + else + { + int yytype = YYTRANSLATE (yychar); + YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]); + YYSIZE_T yysize = yysize0; + YYSIZE_T yysize1; + int yysize_overflow = 0; + enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; + char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; + int yyx; + +# if 0 + /* This is so xgettext sees the translatable formats that are + constructed on the fly. */ + YY_("syntax error, unexpected %s"); + YY_("syntax error, unexpected %s, expecting %s"); + YY_("syntax error, unexpected %s, expecting %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s"); + YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s"); +# endif + char *yyfmt; + char const *yyf; + static char const yyunexpected[] = "syntax error, unexpected %s"; + static char const yyexpecting[] = ", expecting %s"; + static char const yyor[] = " or %s"; + char yyformat[sizeof yyunexpected + + sizeof yyexpecting - 1 + + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2) + * (sizeof yyor - 1))]; + char const *yyprefix = yyexpecting; + + /* Start YYX at -YYN if negative to avoid negative indexes in + YYCHECK. */ + int yyxbegin = yyn < 0 ? -yyn : 0; + + /* Stay within bounds of both yycheck and yytname. */ + int yychecklim = YYLAST - yyn + 1; + int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS; + int yycount = 1; + + yyarg[0] = yytname[yytype]; + yyfmt = yystpcpy (yyformat, yyunexpected); + + for (yyx = yyxbegin; yyx < yyxend; ++yyx) + if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR) + { + if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) + { + yycount = 1; + yysize = yysize0; + yyformat[sizeof yyunexpected - 1] = '\0'; + break; + } + yyarg[yycount++] = yytname[yyx]; + yysize1 = yysize + yytnamerr (0, yytname[yyx]); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + yyfmt = yystpcpy (yyfmt, yyprefix); + yyprefix = yyor; + } + + yyf = YY_(yyformat); + yysize1 = yysize + yystrlen (yyf); + yysize_overflow |= (yysize1 < yysize); + yysize = yysize1; + + if (yysize_overflow) + return YYSIZE_MAXIMUM; + + if (yyresult) + { + /* Avoid sprintf, as that infringes on the user's name space. + Don't have undefined behavior even if the translation + produced a string with the wrong number of "%s"s. */ + char *yyp = yyresult; + int yyi = 0; + while ((*yyp = *yyf) != '\0') + { + if (*yyp == '%' && yyf[1] == 's' && yyi < yycount) + { + yyp += yytnamerr (yyp, yyarg[yyi++]); + yyf += 2; + } + else + { + yyp++; + yyf++; + } + } + } + return yysize; + } +} +#endif /* YYERROR_VERBOSE */ + + +/*-----------------------------------------------. +| Release the memory associated to this symbol. | +`-----------------------------------------------*/ + +/*ARGSUSED*/ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +static void +yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep, struct list_head *format, char *name) +#else +static void +yydestruct (yymsg, yytype, yyvaluep, format, name) + const char *yymsg; + int yytype; + YYSTYPE *yyvaluep; + struct list_head *format; + char *name; +#endif +{ + YYUSE (yyvaluep); + YYUSE (format); + YYUSE (name); + + if (!yymsg) + yymsg = "Deleting"; + YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp); + + switch (yytype) + { + + default: + break; + } +} + +/* Prevent warnings from -Wmissing-prototypes. */ +#ifdef YYPARSE_PARAM +#if defined __STDC__ || defined __cplusplus +int yyparse (void *YYPARSE_PARAM); +#else +int yyparse (); +#endif +#else /* ! YYPARSE_PARAM */ +#if defined __STDC__ || defined __cplusplus +int yyparse (struct list_head *format, char *name); +#else +int yyparse (); +#endif +#endif /* ! YYPARSE_PARAM */ + + +/* The lookahead symbol. */ +int yychar; + +/* The semantic value of the lookahead symbol. */ +YYSTYPE yylval; + +/* Number of syntax errors so far. */ +int yynerrs; + + + +/*-------------------------. +| yyparse or yypush_parse. | +`-------------------------*/ + +#ifdef YYPARSE_PARAM +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (void *YYPARSE_PARAM) +#else +int +yyparse (YYPARSE_PARAM) + void *YYPARSE_PARAM; +#endif +#else /* ! YYPARSE_PARAM */ +#if (defined __STDC__ || defined __C99__FUNC__ \ + || defined __cplusplus || defined _MSC_VER) +int +yyparse (struct list_head *format, char *name) +#else +int +yyparse (format, name) + struct list_head *format; + char *name; +#endif +#endif +{ + + + int yystate; + /* Number of tokens to shift before error messages enabled. */ + int yyerrstatus; + + /* The stacks and their tools: + `yyss': related to states. + `yyvs': related to semantic values. + + Refer to the stacks thru separate pointers, to allow yyoverflow + to reallocate them elsewhere. */ + + /* The state stack. */ + yytype_int16 yyssa[YYINITDEPTH]; + yytype_int16 *yyss; + yytype_int16 *yyssp; + + /* The semantic value stack. */ + YYSTYPE yyvsa[YYINITDEPTH]; + YYSTYPE *yyvs; + YYSTYPE *yyvsp; + + YYSIZE_T yystacksize; + + int yyn; + int yyresult; + /* Lookahead token as an internal (translated) token number. */ + int yytoken; + /* The variables used to return semantic value and location from the + action routines. */ + YYSTYPE yyval; + +#if YYERROR_VERBOSE + /* Buffer for error messages, and its allocated size. */ + char yymsgbuf[128]; + char *yymsg = yymsgbuf; + YYSIZE_T yymsg_alloc = sizeof yymsgbuf; +#endif + +#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)) + + /* The number of symbols on the RHS of the reduced rule. + Keep to zero when no symbol should be popped. */ + int yylen = 0; + + yytoken = 0; + yyss = yyssa; + yyvs = yyvsa; + yystacksize = YYINITDEPTH; + + YYDPRINTF ((stderr, "Starting parse\n")); + + yystate = 0; + yyerrstatus = 0; + yynerrs = 0; + yychar = YYEMPTY; /* Cause a token to be read. */ + + /* Initialize stack pointers. + Waste one element of value and location stack + so that they stay on the same level as the state stack. + The wasted elements are never initialized. */ + yyssp = yyss; + yyvsp = yyvs; + + goto yysetstate; + +/*------------------------------------------------------------. +| yynewstate -- Push a new state, which is found in yystate. | +`------------------------------------------------------------*/ + yynewstate: + /* In all cases, when you get here, the value and location stacks + have just been pushed. So pushing a state here evens the stacks. */ + yyssp++; + + yysetstate: + *yyssp = yystate; + + if (yyss + yystacksize - 1 <= yyssp) + { + /* Get the current used size of the three stacks, in elements. */ + YYSIZE_T yysize = yyssp - yyss + 1; + +#ifdef yyoverflow + { + /* Give user a chance to reallocate the stack. Use copies of + these so that the &'s don't force the real ones into + memory. */ + YYSTYPE *yyvs1 = yyvs; + yytype_int16 *yyss1 = yyss; + + /* Each stack pointer address is followed by the size of the + data in use in that stack, in bytes. This used to be a + conditional around just the two extra args, but that might + be undefined if yyoverflow is a macro. */ + yyoverflow (YY_("memory exhausted"), + &yyss1, yysize * sizeof (*yyssp), + &yyvs1, yysize * sizeof (*yyvsp), + &yystacksize); + + yyss = yyss1; + yyvs = yyvs1; + } +#else /* no yyoverflow */ +# ifndef YYSTACK_RELOCATE + goto yyexhaustedlab; +# else + /* Extend the stack our own way. */ + if (YYMAXDEPTH <= yystacksize) + goto yyexhaustedlab; + yystacksize *= 2; + if (YYMAXDEPTH < yystacksize) + yystacksize = YYMAXDEPTH; + + { + yytype_int16 *yyss1 = yyss; + union yyalloc *yyptr = + (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); + if (! yyptr) + goto yyexhaustedlab; + YYSTACK_RELOCATE (yyss_alloc, yyss); + YYSTACK_RELOCATE (yyvs_alloc, yyvs); +# undef YYSTACK_RELOCATE + if (yyss1 != yyssa) + YYSTACK_FREE (yyss1); + } +# endif +#endif /* no yyoverflow */ + + yyssp = yyss + yysize - 1; + yyvsp = yyvs + yysize - 1; + + YYDPRINTF ((stderr, "Stack size increased to %lu\n", + (unsigned long int) yystacksize)); + + if (yyss + yystacksize - 1 <= yyssp) + YYABORT; + } + + YYDPRINTF ((stderr, "Entering state %d\n", yystate)); + + if (yystate == YYFINAL) + YYACCEPT; + + goto yybackup; + +/*-----------. +| yybackup. | +`-----------*/ +yybackup: + + /* Do appropriate processing given the current state. Read a + lookahead token if we need one and don't already have one. */ + + /* First try to decide what to do without reference to lookahead token. */ + yyn = yypact[yystate]; + if (yyn == YYPACT_NINF) + goto yydefault; + + /* Not known => get a lookahead token if don't already have one. */ + + /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ + if (yychar == YYEMPTY) + { + YYDPRINTF ((stderr, "Reading a token: ")); + yychar = YYLEX; + } + + if (yychar <= YYEOF) + { + yychar = yytoken = YYEOF; + YYDPRINTF ((stderr, "Now at end of input.\n")); + } + else + { + yytoken = YYTRANSLATE (yychar); + YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); + } + + /* If the proper action on seeing token YYTOKEN is to reduce or to + detect an error, take that action. */ + yyn += yytoken; + if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken) + goto yydefault; + yyn = yytable[yyn]; + if (yyn <= 0) + { + if (yyn == 0 || yyn == YYTABLE_NINF) + goto yyerrlab; + yyn = -yyn; + goto yyreduce; + } + + /* Count tokens shifted since error; after three, turn off error + status. */ + if (yyerrstatus) + yyerrstatus--; + + /* Shift the lookahead token. */ + YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); + + /* Discard the shifted token. */ + yychar = YYEMPTY; + + yystate = yyn; + *++yyvsp = yylval; + + goto yynewstate; + + +/*-----------------------------------------------------------. +| yydefault -- do the default action for the current state. | +`-----------------------------------------------------------*/ +yydefault: + yyn = yydefact[yystate]; + if (yyn == 0) + goto yyerrlab; + goto yyreduce; + + +/*-----------------------------. +| yyreduce -- Do a reduction. | +`-----------------------------*/ +yyreduce: + /* yyn is the number of a rule to reduce with. */ + yylen = yyr2[yyn]; + + /* If YYLEN is nonzero, implement the default value of the action: + `$$ = $1'. + + Otherwise, the following line sets YYVAL to garbage. + This behavior is undocumented and Bison + users should not rely upon it. Assigning to YYVAL + unconditionally makes the parser a bit smaller, and it avoids a + GCC warning that YYVAL may be used uninitialized. */ + yyval = yyvsp[1-yylen]; + + + YY_REDUCE_PRINT (yyn); + switch (yyn) + { + case 4: + +/* Line 1464 of yacc.c */ +#line 45 "util/pmu.y" + { + ABORT_ON(perf_pmu__new_format(format, name, + PERF_PMU_FORMAT_VALUE_CONFIG, + (yyvsp[(3) - (3)].bits))); +;} + break; + + case 5: + +/* Line 1464 of yacc.c */ +#line 52 "util/pmu.y" + { + ABORT_ON(perf_pmu__new_format(format, name, + PERF_PMU_FORMAT_VALUE_CONFIG1, + (yyvsp[(3) - (3)].bits))); +;} + break; + + case 6: + +/* Line 1464 of yacc.c */ +#line 59 "util/pmu.y" + { + ABORT_ON(perf_pmu__new_format(format, name, + PERF_PMU_FORMAT_VALUE_CONFIG2, + (yyvsp[(3) - (3)].bits))); +;} + break; + + case 7: + +/* Line 1464 of yacc.c */ +#line 67 "util/pmu.y" + { + bitmap_or((yyval.bits), (yyvsp[(1) - (3)].bits), (yyvsp[(3) - (3)].bits), 64); +;} + break; + + case 8: + +/* Line 1464 of yacc.c */ +#line 72 "util/pmu.y" + { + memcpy((yyval.bits), (yyvsp[(1) - (1)].bits), sizeof((yyvsp[(1) - (1)].bits))); +;} + break; + + case 9: + +/* Line 1464 of yacc.c */ +#line 78 "util/pmu.y" + { + perf_pmu__set_format((yyval.bits), (yyvsp[(1) - (3)].num), (yyvsp[(3) - (3)].num)); +;} + break; + + case 10: + +/* Line 1464 of yacc.c */ +#line 83 "util/pmu.y" + { + perf_pmu__set_format((yyval.bits), (yyvsp[(1) - (1)].num), 0); +;} + break; + + + +/* Line 1464 of yacc.c */ +#line 1444 "util/pmu-bison.c" + default: break; + } + YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); + + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + + *++yyvsp = yyval; + + /* Now `shift' the result of the reduction. Determine what state + that goes to, based on the state we popped back to and the rule + number reduced by. */ + + yyn = yyr1[yyn]; + + yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; + if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) + yystate = yytable[yystate]; + else + yystate = yydefgoto[yyn - YYNTOKENS]; + + goto yynewstate; + + +/*------------------------------------. +| yyerrlab -- here on detecting error | +`------------------------------------*/ +yyerrlab: + /* If not already recovering from an error, report this error. */ + if (!yyerrstatus) + { + ++yynerrs; +#if ! YYERROR_VERBOSE + yyerror (format, name, YY_("syntax error")); +#else + { + YYSIZE_T yysize = yysyntax_error (0, yystate, yychar); + if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM) + { + YYSIZE_T yyalloc = 2 * yysize; + if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM)) + yyalloc = YYSTACK_ALLOC_MAXIMUM; + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); + yymsg = (char *) YYSTACK_ALLOC (yyalloc); + if (yymsg) + yymsg_alloc = yyalloc; + else + { + yymsg = yymsgbuf; + yymsg_alloc = sizeof yymsgbuf; + } + } + + if (0 < yysize && yysize <= yymsg_alloc) + { + (void) yysyntax_error (yymsg, yystate, yychar); + yyerror (format, name, yymsg); + } + else + { + yyerror (format, name, YY_("syntax error")); + if (yysize != 0) + goto yyexhaustedlab; + } + } +#endif + } + + + + if (yyerrstatus == 3) + { + /* If just tried and failed to reuse lookahead token after an + error, discard it. */ + + if (yychar <= YYEOF) + { + /* Return failure if at end of input. */ + if (yychar == YYEOF) + YYABORT; + } + else + { + yydestruct ("Error: discarding", + yytoken, &yylval, format, name); + yychar = YYEMPTY; + } + } + + /* Else will try to reuse lookahead token after shifting the error + token. */ + goto yyerrlab1; + + +/*---------------------------------------------------. +| yyerrorlab -- error raised explicitly by YYERROR. | +`---------------------------------------------------*/ +yyerrorlab: + + /* Pacify compilers like GCC when the user code never invokes + YYERROR and the label yyerrorlab therefore never appears in user + code. */ + if (/*CONSTCOND*/ 0) + goto yyerrorlab; + + /* Do not reclaim the symbols of the rule which action triggered + this YYERROR. */ + YYPOPSTACK (yylen); + yylen = 0; + YY_STACK_PRINT (yyss, yyssp); + yystate = *yyssp; + goto yyerrlab1; + + +/*-------------------------------------------------------------. +| yyerrlab1 -- common code for both syntax error and YYERROR. | +`-------------------------------------------------------------*/ +yyerrlab1: + yyerrstatus = 3; /* Each real token shifted decrements this. */ + + for (;;) + { + yyn = yypact[yystate]; + if (yyn != YYPACT_NINF) + { + yyn += YYTERROR; + if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) + { + yyn = yytable[yyn]; + if (0 < yyn) + break; + } + } + + /* Pop the current state because it cannot handle the error token. */ + if (yyssp == yyss) + YYABORT; + + + yydestruct ("Error: popping", + yystos[yystate], yyvsp, format, name); + YYPOPSTACK (1); + yystate = *yyssp; + YY_STACK_PRINT (yyss, yyssp); + } + + *++yyvsp = yylval; + + + /* Shift the error token. */ + YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); + + yystate = yyn; + goto yynewstate; + + +/*-------------------------------------. +| yyacceptlab -- YYACCEPT comes here. | +`-------------------------------------*/ +yyacceptlab: + yyresult = 0; + goto yyreturn; + +/*-----------------------------------. +| yyabortlab -- YYABORT comes here. | +`-----------------------------------*/ +yyabortlab: + yyresult = 1; + goto yyreturn; + +#if !defined(yyoverflow) || YYERROR_VERBOSE +/*-------------------------------------------------. +| yyexhaustedlab -- memory exhaustion comes here. | +`-------------------------------------------------*/ +yyexhaustedlab: + yyerror (format, name, YY_("memory exhausted")); + yyresult = 2; + /* Fall through. */ +#endif + +yyreturn: + if (yychar != YYEMPTY) + yydestruct ("Cleanup: discarding lookahead", + yytoken, &yylval, format, name); + /* Do not reclaim the symbols of the rule which action triggered + this YYABORT or YYACCEPT. */ + YYPOPSTACK (yylen); + YY_STACK_PRINT (yyss, yyssp); + while (yyssp != yyss) + { + yydestruct ("Cleanup: popping", + yystos[*yyssp], yyvsp, format, name); + YYPOPSTACK (1); + } +#ifndef yyoverflow + if (yyss != yyssa) + YYSTACK_FREE (yyss); +#endif +#if YYERROR_VERBOSE + if (yymsg != yymsgbuf) + YYSTACK_FREE (yymsg); +#endif + /* Make sure YYID is used. */ + return YYID (yyresult); +} + + + +/* Line 1684 of yacc.c */ +#line 87 "util/pmu.y" + + +void perf_pmu_error(struct list_head *list __used, + char *name __used, + char const *msg __used) +{ +} + diff --git a/tools/perf/util/pmu-bison.h b/tools/perf/util/pmu-bison.h new file mode 100644 index 00000000000..54f4a0d7829 --- /dev/null +++ b/tools/perf/util/pmu-bison.h @@ -0,0 +1,73 @@ +/* A Bison parser, made by GNU Bison 2.4.3. */ + +/* Skeleton interface for Bison's Yacc-like parsers in C + + Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006, + 2009, 2010 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see <http://www.gnu.org/licenses/>. */ + +/* As a special exception, you may create a larger work that contains + part or all of the Bison parser skeleton and distribute that work + under terms of your choice, so long as that work isn't itself a + parser generator using the skeleton or a modified version thereof + as a parser skeleton. Alternatively, if you modify or redistribute + the parser skeleton itself, you may (at your option) remove this + special exception, which will cause the skeleton and the resulting + Bison output files to be licensed under the GNU General Public + License without this special exception. + + This special exception was added by the Free Software Foundation in + version 2.2 of Bison. */ + + +/* Tokens. */ +#ifndef YYTOKENTYPE +# define YYTOKENTYPE + /* Put the tokens into the symbol table, so that GDB and other debuggers + know about them. */ + enum yytokentype { + PP_CONFIG = 258, + PP_CONFIG1 = 259, + PP_CONFIG2 = 260, + PP_VALUE = 261, + PP_ERROR = 262 + }; +#endif + + + +#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED +typedef union YYSTYPE +{ + +/* Line 1685 of yacc.c */ +#line 31 "util/pmu.y" + + unsigned long num; + DECLARE_BITMAP(bits, PERF_PMU_FORMAT_BITS); + + + +/* Line 1685 of yacc.c */ +#line 65 "util/pmu-bison.h" +} YYSTYPE; +# define YYSTYPE_IS_TRIVIAL 1 +# define yystype YYSTYPE /* obsolescent; will be withdrawn */ +# define YYSTYPE_IS_DECLARED 1 +#endif + +extern YYSTYPE perf_pmu_lval; + + diff --git a/tools/perf/util/pmu-flex.c b/tools/perf/util/pmu-flex.c new file mode 100644 index 00000000000..5a8c15966d5 --- /dev/null +++ b/tools/perf/util/pmu-flex.c @@ -0,0 +1,1821 @@ + +#line 3 "<stdout>" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define yy_create_buffer perf_pmu__create_buffer +#define yy_delete_buffer perf_pmu__delete_buffer +#define yy_flex_debug perf_pmu__flex_debug +#define yy_init_buffer perf_pmu__init_buffer +#define yy_flush_buffer perf_pmu__flush_buffer +#define yy_load_buffer_state perf_pmu__load_buffer_state +#define yy_switch_to_buffer perf_pmu__switch_to_buffer +#define yyin perf_pmu_in +#define yyleng perf_pmu_leng +#define yylex perf_pmu_lex +#define yylineno perf_pmu_lineno +#define yyout perf_pmu_out +#define yyrestart perf_pmu_restart +#define yytext perf_pmu_text +#define yywrap perf_pmu_wrap +#define yyalloc perf_pmu_alloc +#define yyrealloc perf_pmu_realloc +#define yyfree perf_pmu_free + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Returned upon end-of-file. */ +#define YY_NULL 0 + +/* Promotes a possibly negative, possibly signed char to an unsigned + * integer for use as an array index. If the signed char is negative, + * we want to instead treat it as an 8-bit unsigned char, hence the + * double cast. + */ +#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c) + +/* Enter a start condition. This macro really ought to take a parameter, + * but we do it the disgusting crufty way forced on us by the ()-less + * definition of BEGIN. + */ +#define BEGIN (yy_start) = 1 + 2 * + +/* Translate the current start state into a value that can be later handed + * to BEGIN to return to the state. The YYSTATE alias is for lex + * compatibility. + */ +#define YY_START (((yy_start) - 1) / 2) +#define YYSTATE YY_START + +/* Action number for EOF rule of a given start state. */ +#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) + +/* Special action meaning "start processing a new file". */ +#define YY_NEW_FILE perf_pmu_restart(perf_pmu_in ) + +#define YY_END_OF_BUFFER_CHAR 0 + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +/* The state buf must be large enough to hold one state per character in the main buffer. + */ +#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type)) + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +extern int perf_pmu_leng; + +extern FILE *perf_pmu_in, *perf_pmu_out; + +#define EOB_ACT_CONTINUE_SCAN 0 +#define EOB_ACT_END_OF_FILE 1 +#define EOB_ACT_LAST_MATCH 2 + + #define YY_LESS_LINENO(n) + +/* Return all but the first "n" matched characters back to the input stream. */ +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up perf_pmu_text. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + *yy_cp = (yy_hold_char); \ + YY_RESTORE_YY_MORE_OFFSET \ + (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ + YY_DO_BEFORE_ACTION; /* set up perf_pmu_text again */ \ + } \ + while ( 0 ) + +#define unput(c) yyunput( c, (yytext_ptr) ) + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + +#define YY_BUFFER_NEW 0 +#define YY_BUFFER_NORMAL 1 + /* When an EOF's been seen but there's still some text to process + * then we mark the buffer as YY_EOF_PENDING, to indicate that we + * shouldn't try reading from the input source any more. We might + * still have a bunch of tokens to match, though, because of + * possible backing-up. + * + * When we actually see the EOF, we change the status to "new" + * (via perf_pmu_restart()), so that the user can continue scanning by + * just pointing perf_pmu_in at a new input file. + */ +#define YY_BUFFER_EOF_PENDING 2 + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +/* Stack of input buffers. */ +static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */ +static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */ +static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */ + +/* We provide macros for accessing buffer states in case in the + * future we want to put the buffer states in a more general + * "scanner state". + * + * Returns the top of the stack, or NULL. + */ +#define YY_CURRENT_BUFFER ( (yy_buffer_stack) \ + ? (yy_buffer_stack)[(yy_buffer_stack_top)] \ + : NULL) + +/* Same as previous macro, but useful when we know that the buffer stack is not + * NULL or when we need an lvalue. For internal use only. + */ +#define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)] + +/* yy_hold_char holds the character lost when perf_pmu_text is formed. */ +static char yy_hold_char; +static int yy_n_chars; /* number of characters read into yy_ch_buf */ +int perf_pmu_leng; + +/* Points to current character in buffer. */ +static char *yy_c_buf_p = (char *) 0; +static int yy_init = 0; /* whether we need to initialize */ +static int yy_start = 0; /* start state number */ + +/* Flag which is used to allow perf_pmu_wrap()'s to do buffer switches + * instead of setting up a fresh perf_pmu_in. A bit of a hack ... + */ +static int yy_did_buffer_switch_on_eof; + +void perf_pmu_restart (FILE *input_file ); +void perf_pmu__switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE perf_pmu__create_buffer (FILE *file,int size ); +void perf_pmu__delete_buffer (YY_BUFFER_STATE b ); +void perf_pmu__flush_buffer (YY_BUFFER_STATE b ); +void perf_pmu_push_buffer_state (YY_BUFFER_STATE new_buffer ); +void perf_pmu_pop_buffer_state (void ); + +static void perf_pmu_ensure_buffer_stack (void ); +static void perf_pmu__load_buffer_state (void ); +static void perf_pmu__init_buffer (YY_BUFFER_STATE b,FILE *file ); + +#define YY_FLUSH_BUFFER perf_pmu__flush_buffer(YY_CURRENT_BUFFER ) + +YY_BUFFER_STATE perf_pmu__scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE perf_pmu__scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE perf_pmu__scan_bytes (yyconst char *bytes,int len ); + +void *perf_pmu_alloc (yy_size_t ); +void *perf_pmu_realloc (void *,yy_size_t ); +void perf_pmu_free (void * ); + +#define yy_new_buffer perf_pmu__create_buffer + +#define yy_set_interactive(is_interactive) \ + { \ + if ( ! YY_CURRENT_BUFFER ){ \ + perf_pmu_ensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + perf_pmu__create_buffer(perf_pmu_in,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ + } + +#define yy_set_bol(at_bol) \ + { \ + if ( ! YY_CURRENT_BUFFER ){\ + perf_pmu_ensure_buffer_stack (); \ + YY_CURRENT_BUFFER_LVALUE = \ + perf_pmu__create_buffer(perf_pmu_in,YY_BUF_SIZE ); \ + } \ + YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \ + } + +#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol) + +/* Begin user sect3 */ + +typedef unsigned char YY_CHAR; + +FILE *perf_pmu_in = (FILE *) 0, *perf_pmu_out = (FILE *) 0; + +typedef int yy_state_type; + +extern int perf_pmu_lineno; + +int perf_pmu_lineno = 1; + +extern char *perf_pmu_text; +#define yytext_ptr perf_pmu_text + +static yy_state_type yy_get_previous_state (void ); +static yy_state_type yy_try_NUL_trans (yy_state_type current_state ); +static int yy_get_next_buffer (void ); +static void yy_fatal_error (yyconst char msg[] ); + +/* Done after the current pattern has been matched and before the + * corresponding action - sets up perf_pmu_text. + */ +#define YY_DO_BEFORE_ACTION \ + (yytext_ptr) = yy_bp; \ + perf_pmu_leng = (size_t) (yy_cp - yy_bp); \ + (yy_hold_char) = *yy_cp; \ + *yy_cp = '\0'; \ + (yy_c_buf_p) = yy_cp; + +#define YY_NUM_RULES 10 +#define YY_END_OF_BUFFER 11 +/* This struct is not used in this scanner, + but its presence is necessary. */ +struct yy_trans_info + { + flex_int32_t yy_verify; + flex_int32_t yy_nxt; + }; +static yyconst flex_int16_t yy_accept[20] = + { 0, + 0, 0, 11, 8, 9, 7, 5, 1, 6, 8, + 1, 0, 0, 0, 0, 2, 3, 4, 0 + } ; + +static yyconst flex_int32_t yy_ec[256] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 3, 4, 1, 1, 5, 6, 7, + 5, 5, 5, 5, 5, 5, 5, 8, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 9, 1, + + 1, 10, 11, 1, 12, 1, 1, 1, 1, 13, + 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1 + } ; + +static yyconst flex_int32_t yy_meta[15] = + { 0, + 1, 1, 1, 1, 2, 2, 2, 1, 1, 1, + 1, 1, 1, 1 + } ; + +static yyconst flex_int16_t yy_base[21] = + { 0, + 0, 0, 23, 24, 24, 24, 24, 0, 24, 8, + 0, 8, 10, 7, 7, 9, 24, 24, 24, 15 + } ; + +static yyconst flex_int16_t yy_def[21] = + { 0, + 19, 1, 19, 19, 19, 19, 19, 20, 19, 19, + 20, 19, 19, 19, 19, 19, 19, 19, 0, 19 + } ; + +static yyconst flex_int16_t yy_nxt[39] = + { 0, + 4, 5, 6, 7, 8, 8, 8, 9, 10, 4, + 4, 4, 4, 4, 17, 18, 11, 16, 15, 14, + 13, 12, 19, 3, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19 + } ; + +static yyconst flex_int16_t yy_chk[39] = + { 0, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 16, 16, 20, 15, 14, 13, + 12, 10, 3, 19, 19, 19, 19, 19, 19, 19, + 19, 19, 19, 19, 19, 19, 19, 19 + } ; + +static yy_state_type yy_last_accepting_state; +static char *yy_last_accepting_cpos; + +extern int perf_pmu__flex_debug; +int perf_pmu__flex_debug = 0; + +/* The intent behind this definition is that it'll catch + * any uses of REJECT which flex missed. + */ +#define REJECT reject_used_but_not_detected +#define yymore() yymore_used_but_not_detected +#define YY_MORE_ADJ 0 +#define YY_RESTORE_YY_MORE_OFFSET +char *perf_pmu_text; +#line 1 "util/pmu.l" +#line 4 "util/pmu.l" +#include <stdlib.h> +#include <linux/bitops.h> +#include "pmu.h" +#include "pmu-bison.h" + +static int value(int base) +{ + long num; + + errno = 0; + num = strtoul(perf_pmu_text, NULL, base); + if (errno) + return PP_ERROR; + + perf_pmu_lval.num = num; + return PP_VALUE; +} + +#line 497 "<stdout>" + +#define INITIAL 0 + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +static int yy_init_globals (void ); + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int perf_pmu_lex_destroy (void ); + +int perf_pmu_get_debug (void ); + +void perf_pmu_set_debug (int debug_flag ); + +YY_EXTRA_TYPE perf_pmu_get_extra (void ); + +void perf_pmu_set_extra (YY_EXTRA_TYPE user_defined ); + +FILE *perf_pmu_get_in (void ); + +void perf_pmu_set_in (FILE * in_str ); + +FILE *perf_pmu_get_out (void ); + +void perf_pmu_set_out (FILE * out_str ); + +int perf_pmu_get_leng (void ); + +char *perf_pmu_get_text (void ); + +int perf_pmu_get_lineno (void ); + +void perf_pmu_set_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int perf_pmu_wrap (void ); +#else +extern int perf_pmu_wrap (void ); +#endif +#endif + + static void yyunput (int c,char *buf_ptr ); + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#ifdef __cplusplus +static int yyinput (void ); +#else +static int input (void ); +#endif + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Copy whatever the last rule matched to the standard output. */ +#ifndef ECHO +/* This used to be an fputs(), but since the string might contain NUL's, + * we now use fwrite(). + */ +#define ECHO do { if (fwrite( perf_pmu_text, perf_pmu_leng, 1, perf_pmu_out )) {} } while (0) +#endif + +/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, + * is returned in "result". + */ +#ifndef YY_INPUT +#define YY_INPUT(buf,result,max_size) \ + if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ + { \ + int c = '*'; \ + unsigned n; \ + for ( n = 0; n < max_size && \ + (c = getc( perf_pmu_in )) != EOF && c != '\n'; ++n ) \ + buf[n] = (char) c; \ + if ( c == '\n' ) \ + buf[n++] = (char) c; \ + if ( c == EOF && ferror( perf_pmu_in ) ) \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + result = n; \ + } \ + else \ + { \ + errno=0; \ + while ( (result = fread(buf, 1, max_size, perf_pmu_in))==0 && ferror(perf_pmu_in)) \ + { \ + if( errno != EINTR) \ + { \ + YY_FATAL_ERROR( "input in flex scanner failed" ); \ + break; \ + } \ + errno=0; \ + clearerr(perf_pmu_in); \ + } \ + }\ +\ + +#endif + +/* No semi-colon after return; correct usage is to write "yyterminate();" - + * we don't want an extra ';' after the "return" because that will cause + * some compilers to complain about unreachable statements. + */ +#ifndef yyterminate +#define yyterminate() return YY_NULL +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Report a fatal error. */ +#ifndef YY_FATAL_ERROR +#define YY_FATAL_ERROR(msg) yy_fatal_error( msg ) +#endif + +/* end tables serialization structures and prototypes */ + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int perf_pmu_lex (void); + +#define YY_DECL int perf_pmu_lex (void) +#endif /* !YY_DECL */ + +/* Code executed at the beginning of each rule, after perf_pmu_text and perf_pmu_leng + * have been set up. + */ +#ifndef YY_USER_ACTION +#define YY_USER_ACTION +#endif + +/* Code executed at the end of each rule. */ +#ifndef YY_BREAK +#define YY_BREAK break; +#endif + +#define YY_RULE_SETUP \ + YY_USER_ACTION + +/** The main scanner function which does all the work. + */ +YY_DECL +{ + register yy_state_type yy_current_state; + register char *yy_cp, *yy_bp; + register int yy_act; + +#line 26 "util/pmu.l" + + +#line 682 "<stdout>" + + if ( !(yy_init) ) + { + (yy_init) = 1; + +#ifdef YY_USER_INIT + YY_USER_INIT; +#endif + + if ( ! (yy_start) ) + (yy_start) = 1; /* first start state */ + + if ( ! perf_pmu_in ) + perf_pmu_in = stdin; + + if ( ! perf_pmu_out ) + perf_pmu_out = stdout; + + if ( ! YY_CURRENT_BUFFER ) { + perf_pmu_ensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + perf_pmu__create_buffer(perf_pmu_in,YY_BUF_SIZE ); + } + + perf_pmu__load_buffer_state( ); + } + + while ( 1 ) /* loops until end-of-file is reached */ + { + yy_cp = (yy_c_buf_p); + + /* Support of perf_pmu_text. */ + *yy_cp = (yy_hold_char); + + /* yy_bp points to the position in yy_ch_buf of the start of + * the current run. + */ + yy_bp = yy_cp; + + yy_current_state = (yy_start); +yy_match: + do + { + register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)]; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 20 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + ++yy_cp; + } + while ( yy_base[yy_current_state] != 24 ); + +yy_find_action: + yy_act = yy_accept[yy_current_state]; + if ( yy_act == 0 ) + { /* have to back up */ + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + yy_act = yy_accept[yy_current_state]; + } + + YY_DO_BEFORE_ACTION; + +do_action: /* This label is used only to access EOF actions. */ + + switch ( yy_act ) + { /* beginning of action switch */ + case 0: /* must back up */ + /* undo the effects of YY_DO_BEFORE_ACTION */ + *yy_cp = (yy_hold_char); + yy_cp = (yy_last_accepting_cpos); + yy_current_state = (yy_last_accepting_state); + goto yy_find_action; + +case 1: +YY_RULE_SETUP +#line 28 "util/pmu.l" +{ return value(10); } + YY_BREAK +case 2: +YY_RULE_SETUP +#line 29 "util/pmu.l" +{ return PP_CONFIG; } + YY_BREAK +case 3: +YY_RULE_SETUP +#line 30 "util/pmu.l" +{ return PP_CONFIG1; } + YY_BREAK +case 4: +YY_RULE_SETUP +#line 31 "util/pmu.l" +{ return PP_CONFIG2; } + YY_BREAK +case 5: +YY_RULE_SETUP +#line 32 "util/pmu.l" +{ return '-'; } + YY_BREAK +case 6: +YY_RULE_SETUP +#line 33 "util/pmu.l" +{ return ':'; } + YY_BREAK +case 7: +YY_RULE_SETUP +#line 34 "util/pmu.l" +{ return ','; } + YY_BREAK +case 8: +YY_RULE_SETUP +#line 35 "util/pmu.l" +{ ; } + YY_BREAK +case 9: +/* rule 9 can match eol */ +YY_RULE_SETUP +#line 36 "util/pmu.l" +{ ; } + YY_BREAK +case 10: +YY_RULE_SETUP +#line 38 "util/pmu.l" +ECHO; + YY_BREAK +#line 816 "<stdout>" +case YY_STATE_EOF(INITIAL): + yyterminate(); + + case YY_END_OF_BUFFER: + { + /* Amount of text matched not including the EOB char. */ + int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1; + + /* Undo the effects of YY_DO_BEFORE_ACTION. */ + *yy_cp = (yy_hold_char); + YY_RESTORE_YY_MORE_OFFSET + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) + { + /* We're scanning a new file or input source. It's + * possible that this happened because the user + * just pointed perf_pmu_in at a new source and called + * perf_pmu_lex(). If so, then we have to assure + * consistency between YY_CURRENT_BUFFER and our + * globals. Here is the right place to do so, because + * this is the first action (other than possibly a + * back-up) that will match for the new input source. + */ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + YY_CURRENT_BUFFER_LVALUE->yy_input_file = perf_pmu_in; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; + } + + /* Note that here we test for yy_c_buf_p "<=" to the position + * of the first EOB in the buffer, since yy_c_buf_p will + * already have been incremented past the NUL character + * (since all states make transitions on EOB to the + * end-of-buffer state). Contrast this with the test + * in input(). + */ + if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + { /* This was really a NUL. */ + yy_state_type yy_next_state; + + (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + /* Okay, we're now positioned to make the NUL + * transition. We couldn't have + * yy_get_previous_state() go ahead and do it + * for us because it doesn't know how to deal + * with the possibility of jamming (and we don't + * want to build jamming into it because then it + * will run more slowly). + */ + + yy_next_state = yy_try_NUL_trans( yy_current_state ); + + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + + if ( yy_next_state ) + { + /* Consume the NUL. */ + yy_cp = ++(yy_c_buf_p); + yy_current_state = yy_next_state; + goto yy_match; + } + + else + { + yy_cp = (yy_c_buf_p); + goto yy_find_action; + } + } + + else switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_END_OF_FILE: + { + (yy_did_buffer_switch_on_eof) = 0; + + if ( perf_pmu_wrap( ) ) + { + /* Note: because we've taken care in + * yy_get_next_buffer() to have set up + * perf_pmu_text, we can now set up + * yy_c_buf_p so that if some total + * hoser (like flex itself) wants to + * call the scanner after we return the + * YY_NULL, it'll still work - another + * YY_NULL will get returned. + */ + (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ; + + yy_act = YY_STATE_EOF(YY_START); + goto do_action; + } + + else + { + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; + } + break; + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = + (yytext_ptr) + yy_amount_of_matched_text; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_match; + + case EOB_ACT_LAST_MATCH: + (yy_c_buf_p) = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)]; + + yy_current_state = yy_get_previous_state( ); + + yy_cp = (yy_c_buf_p); + yy_bp = (yytext_ptr) + YY_MORE_ADJ; + goto yy_find_action; + } + break; + } + + default: + YY_FATAL_ERROR( + "fatal flex scanner internal error--no action found" ); + } /* end of action switch */ + } /* end of scanning one token */ +} /* end of perf_pmu_lex */ + +/* yy_get_next_buffer - try to read in a new buffer + * + * Returns a code representing an action: + * EOB_ACT_LAST_MATCH - + * EOB_ACT_CONTINUE_SCAN - continue scanning from current position + * EOB_ACT_END_OF_FILE - end of file + */ +static int yy_get_next_buffer (void) +{ + register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; + register char *source = (yytext_ptr); + register int number_to_move, i; + int ret_val; + + if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] ) + YY_FATAL_ERROR( + "fatal flex scanner internal error--end of buffer missed" ); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) + { /* Don't try to fill the buffer, so this is an EOF. */ + if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 ) + { + /* We matched a single character, the EOB, so + * treat this as a final EOF. + */ + return EOB_ACT_END_OF_FILE; + } + + else + { + /* We matched some text prior to the EOB, first + * process it. + */ + return EOB_ACT_LAST_MATCH; + } + } + + /* Try to read more data. */ + + /* First move last chars to start of buffer. */ + number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1; + + for ( i = 0; i < number_to_move; ++i ) + *(dest++) = *(source++); + + if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) + /* don't do the read, it's not guaranteed to return an EOF, + * just force an EOF + */ + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0; + + else + { + int num_to_read = + YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; + + while ( num_to_read <= 0 ) + { /* Not enough room in the buffer - grow it. */ + + /* just a shorter name for the current buffer */ + YY_BUFFER_STATE b = YY_CURRENT_BUFFER; + + int yy_c_buf_p_offset = + (int) ((yy_c_buf_p) - b->yy_ch_buf); + + if ( b->yy_is_our_buffer ) + { + int new_size = b->yy_buf_size * 2; + + if ( new_size <= 0 ) + b->yy_buf_size += b->yy_buf_size / 8; + else + b->yy_buf_size *= 2; + + b->yy_ch_buf = (char *) + /* Include room in for 2 EOB chars. */ + perf_pmu_realloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 ); + } + else + /* Can't grow it, we don't own it. */ + b->yy_ch_buf = 0; + + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( + "fatal error - scanner input buffer overflow" ); + + (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; + + num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - + number_to_move - 1; + + } + + if ( num_to_read > YY_READ_BUF_SIZE ) + num_to_read = YY_READ_BUF_SIZE; + + /* Read in more data. */ + YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), + (yy_n_chars), (size_t) num_to_read ); + + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + if ( (yy_n_chars) == 0 ) + { + if ( number_to_move == YY_MORE_ADJ ) + { + ret_val = EOB_ACT_END_OF_FILE; + perf_pmu_restart(perf_pmu_in ); + } + + else + { + ret_val = EOB_ACT_LAST_MATCH; + YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = + YY_BUFFER_EOF_PENDING; + } + } + + else + ret_val = EOB_ACT_CONTINUE_SCAN; + + if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { + /* Extend the array by 50%, plus the number we really need. */ + yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1); + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) perf_pmu_realloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size ); + if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); + } + + (yy_n_chars) += number_to_move; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; + YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; + + (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; + + return ret_val; +} + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + + static yy_state_type yy_get_previous_state (void) +{ + register yy_state_type yy_current_state; + register char *yy_cp; + + yy_current_state = (yy_start); + + for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp ) + { + register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1); + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 20 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + } + + return yy_current_state; +} + +/* yy_try_NUL_trans - try to make a transition on the NUL character + * + * synopsis + * next_state = yy_try_NUL_trans( current_state ); + */ + static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state ) +{ + register int yy_is_jam; + register char *yy_cp = (yy_c_buf_p); + + register YY_CHAR yy_c = 1; + if ( yy_accept[yy_current_state] ) + { + (yy_last_accepting_state) = yy_current_state; + (yy_last_accepting_cpos) = yy_cp; + } + while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) + { + yy_current_state = (int) yy_def[yy_current_state]; + if ( yy_current_state >= 20 ) + yy_c = yy_meta[(unsigned int) yy_c]; + } + yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c]; + yy_is_jam = (yy_current_state == 19); + + return yy_is_jam ? 0 : yy_current_state; +} + + static void yyunput (int c, register char * yy_bp ) +{ + register char *yy_cp; + + yy_cp = (yy_c_buf_p); + + /* undo effects of setting up perf_pmu_text */ + *yy_cp = (yy_hold_char); + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + { /* need to shift things up to make room */ + /* +2 for EOB chars. */ + register int number_to_move = (yy_n_chars) + 2; + register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ + YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; + register char *source = + &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; + + while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) + *--dest = *--source; + + yy_cp += (int) (dest - source); + yy_bp += (int) (dest - source); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; + + if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) + YY_FATAL_ERROR( "flex scanner push-back overflow" ); + } + + *--yy_cp = (char) c; + + (yytext_ptr) = yy_bp; + (yy_hold_char) = *yy_cp; + (yy_c_buf_p) = yy_cp; +} + +#ifndef YY_NO_INPUT +#ifdef __cplusplus + static int yyinput (void) +#else + static int input (void) +#endif + +{ + int c; + + *(yy_c_buf_p) = (yy_hold_char); + + if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) + { + /* yy_c_buf_p now points to the character we want to return. + * If this occurs *before* the EOB characters, then it's a + * valid NUL; if not, then we've hit the end of the buffer. + */ + if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] ) + /* This was really a NUL. */ + *(yy_c_buf_p) = '\0'; + + else + { /* need more input */ + int offset = (yy_c_buf_p) - (yytext_ptr); + ++(yy_c_buf_p); + + switch ( yy_get_next_buffer( ) ) + { + case EOB_ACT_LAST_MATCH: + /* This happens because yy_g_n_b() + * sees that we've accumulated a + * token and flags that we need to + * try matching the token before + * proceeding. But for input(), + * there's no matching to consider. + * So convert the EOB_ACT_LAST_MATCH + * to EOB_ACT_END_OF_FILE. + */ + + /* Reset buffer status. */ + perf_pmu_restart(perf_pmu_in ); + + /*FALLTHROUGH*/ + + case EOB_ACT_END_OF_FILE: + { + if ( perf_pmu_wrap( ) ) + return EOF; + + if ( ! (yy_did_buffer_switch_on_eof) ) + YY_NEW_FILE; +#ifdef __cplusplus + return yyinput(); +#else + return input(); +#endif + } + + case EOB_ACT_CONTINUE_SCAN: + (yy_c_buf_p) = (yytext_ptr) + offset; + break; + } + } + } + + c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */ + *(yy_c_buf_p) = '\0'; /* preserve perf_pmu_text */ + (yy_hold_char) = *++(yy_c_buf_p); + + return c; +} +#endif /* ifndef YY_NO_INPUT */ + +/** Immediately switch to a different input stream. + * @param input_file A readable stream. + * + * @note This function does not reset the start condition to @c INITIAL . + */ + void perf_pmu_restart (FILE * input_file ) +{ + + if ( ! YY_CURRENT_BUFFER ){ + perf_pmu_ensure_buffer_stack (); + YY_CURRENT_BUFFER_LVALUE = + perf_pmu__create_buffer(perf_pmu_in,YY_BUF_SIZE ); + } + + perf_pmu__init_buffer(YY_CURRENT_BUFFER,input_file ); + perf_pmu__load_buffer_state( ); +} + +/** Switch to a different input buffer. + * @param new_buffer The new input buffer. + * + */ + void perf_pmu__switch_to_buffer (YY_BUFFER_STATE new_buffer ) +{ + + /* TODO. We should be able to replace this entire function body + * with + * perf_pmu_pop_buffer_state(); + * perf_pmu_push_buffer_state(new_buffer); + */ + perf_pmu_ensure_buffer_stack (); + if ( YY_CURRENT_BUFFER == new_buffer ) + return; + + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + YY_CURRENT_BUFFER_LVALUE = new_buffer; + perf_pmu__load_buffer_state( ); + + /* We don't actually know whether we did this switch during + * EOF (perf_pmu_wrap()) processing, but the only time this flag + * is looked at is after perf_pmu_wrap() is called, so it's safe + * to go ahead and always set it. + */ + (yy_did_buffer_switch_on_eof) = 1; +} + +static void perf_pmu__load_buffer_state (void) +{ + (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; + (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; + perf_pmu_in = YY_CURRENT_BUFFER_LVALUE->yy_input_file; + (yy_hold_char) = *(yy_c_buf_p); +} + +/** Allocate and initialize an input buffer state. + * @param file A readable stream. + * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. + * + * @return the allocated buffer state. + */ + YY_BUFFER_STATE perf_pmu__create_buffer (FILE * file, int size ) +{ + YY_BUFFER_STATE b; + + b = (YY_BUFFER_STATE) perf_pmu_alloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in perf_pmu__create_buffer()" ); + + b->yy_buf_size = size; + + /* yy_ch_buf has to be 2 characters longer than the size given because + * we need to put in 2 end-of-buffer characters. + */ + b->yy_ch_buf = (char *) perf_pmu_alloc(b->yy_buf_size + 2 ); + if ( ! b->yy_ch_buf ) + YY_FATAL_ERROR( "out of dynamic memory in perf_pmu__create_buffer()" ); + + b->yy_is_our_buffer = 1; + + perf_pmu__init_buffer(b,file ); + + return b; +} + +/** Destroy the buffer. + * @param b a buffer created with perf_pmu__create_buffer() + * + */ + void perf_pmu__delete_buffer (YY_BUFFER_STATE b ) +{ + + if ( ! b ) + return; + + if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ + YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; + + if ( b->yy_is_our_buffer ) + perf_pmu_free((void *) b->yy_ch_buf ); + + perf_pmu_free((void *) b ); +} + +#ifndef __cplusplus +extern int isatty (int ); +#endif /* __cplusplus */ + +/* Initializes or reinitializes a buffer. + * This function is sometimes called more than once on the same buffer, + * such as during a perf_pmu_restart() or at EOF. + */ + static void perf_pmu__init_buffer (YY_BUFFER_STATE b, FILE * file ) + +{ + int oerrno = errno; + + perf_pmu__flush_buffer(b ); + + b->yy_input_file = file; + b->yy_fill_buffer = 1; + + /* If b is the current buffer, then perf_pmu__init_buffer was _probably_ + * called from perf_pmu_restart() or through yy_get_next_buffer. + * In that case, we don't want to reset the lineno or column. + */ + if (b != YY_CURRENT_BUFFER){ + b->yy_bs_lineno = 1; + b->yy_bs_column = 0; + } + + b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; + + errno = oerrno; +} + +/** Discard all buffered characters. On the next scan, YY_INPUT will be called. + * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. + * + */ + void perf_pmu__flush_buffer (YY_BUFFER_STATE b ) +{ + if ( ! b ) + return; + + b->yy_n_chars = 0; + + /* We always need two end-of-buffer characters. The first causes + * a transition to the end-of-buffer state. The second causes + * a jam in that state. + */ + b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; + b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; + + b->yy_buf_pos = &b->yy_ch_buf[0]; + + b->yy_at_bol = 1; + b->yy_buffer_status = YY_BUFFER_NEW; + + if ( b == YY_CURRENT_BUFFER ) + perf_pmu__load_buffer_state( ); +} + +/** Pushes the new state onto the stack. The new state becomes + * the current state. This function will allocate the stack + * if necessary. + * @param new_buffer The new state. + * + */ +void perf_pmu_push_buffer_state (YY_BUFFER_STATE new_buffer ) +{ + if (new_buffer == NULL) + return; + + perf_pmu_ensure_buffer_stack(); + + /* This block is copied from perf_pmu__switch_to_buffer. */ + if ( YY_CURRENT_BUFFER ) + { + /* Flush out information for old buffer. */ + *(yy_c_buf_p) = (yy_hold_char); + YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p); + YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars); + } + + /* Only push if top exists. Otherwise, replace top. */ + if (YY_CURRENT_BUFFER) + (yy_buffer_stack_top)++; + YY_CURRENT_BUFFER_LVALUE = new_buffer; + + /* copied from perf_pmu__switch_to_buffer. */ + perf_pmu__load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; +} + +/** Removes and deletes the top of the stack, if present. + * The next element becomes the new top. + * + */ +void perf_pmu_pop_buffer_state (void) +{ + if (!YY_CURRENT_BUFFER) + return; + + perf_pmu__delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + if ((yy_buffer_stack_top) > 0) + --(yy_buffer_stack_top); + + if (YY_CURRENT_BUFFER) { + perf_pmu__load_buffer_state( ); + (yy_did_buffer_switch_on_eof) = 1; + } +} + +/* Allocates the stack if it does not exist. + * Guarantees space for at least one push. + */ +static void perf_pmu_ensure_buffer_stack (void) +{ + int num_to_alloc; + + if (!(yy_buffer_stack)) { + + /* First allocation is just for 2 elements, since we don't know if this + * scanner will even need a stack. We use 2 instead of 1 to avoid an + * immediate realloc on the next call. + */ + num_to_alloc = 1; + (yy_buffer_stack) = (struct yy_buffer_state**)perf_pmu_alloc + (num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in perf_pmu_ensure_buffer_stack()" ); + + memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); + + (yy_buffer_stack_max) = num_to_alloc; + (yy_buffer_stack_top) = 0; + return; + } + + if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){ + + /* Increase the buffer to prepare for a possible push. */ + int grow_size = 8 /* arbitrary grow size */; + + num_to_alloc = (yy_buffer_stack_max) + grow_size; + (yy_buffer_stack) = (struct yy_buffer_state**)perf_pmu_realloc + ((yy_buffer_stack), + num_to_alloc * sizeof(struct yy_buffer_state*) + ); + if ( ! (yy_buffer_stack) ) + YY_FATAL_ERROR( "out of dynamic memory in perf_pmu_ensure_buffer_stack()" ); + + /* zero only the new slots.*/ + memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*)); + (yy_buffer_stack_max) = num_to_alloc; + } +} + +/** Setup the input buffer state to scan directly from a user-specified character buffer. + * @param base the character buffer + * @param size the size in bytes of the character buffer + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE perf_pmu__scan_buffer (char * base, yy_size_t size ) +{ + YY_BUFFER_STATE b; + + if ( size < 2 || + base[size-2] != YY_END_OF_BUFFER_CHAR || + base[size-1] != YY_END_OF_BUFFER_CHAR ) + /* They forgot to leave room for the EOB's. */ + return 0; + + b = (YY_BUFFER_STATE) perf_pmu_alloc(sizeof( struct yy_buffer_state ) ); + if ( ! b ) + YY_FATAL_ERROR( "out of dynamic memory in perf_pmu__scan_buffer()" ); + + b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ + b->yy_buf_pos = b->yy_ch_buf = base; + b->yy_is_our_buffer = 0; + b->yy_input_file = 0; + b->yy_n_chars = b->yy_buf_size; + b->yy_is_interactive = 0; + b->yy_at_bol = 1; + b->yy_fill_buffer = 0; + b->yy_buffer_status = YY_BUFFER_NEW; + + perf_pmu__switch_to_buffer(b ); + + return b; +} + +/** Setup the input buffer state to scan a string. The next call to perf_pmu_lex() will + * scan from a @e copy of @a str. + * @param yystr a NUL-terminated string to scan + * + * @return the newly allocated buffer state object. + * @note If you want to scan bytes that may contain NUL values, then use + * perf_pmu__scan_bytes() instead. + */ +YY_BUFFER_STATE perf_pmu__scan_string (yyconst char * yystr ) +{ + + return perf_pmu__scan_bytes(yystr,strlen(yystr) ); +} + +/** Setup the input buffer state to scan the given bytes. The next call to perf_pmu_lex() will + * scan from a @e copy of @a bytes. + * @param bytes the byte buffer to scan + * @param len the number of bytes in the buffer pointed to by @a bytes. + * + * @return the newly allocated buffer state object. + */ +YY_BUFFER_STATE perf_pmu__scan_bytes (yyconst char * yybytes, int _yybytes_len ) +{ + YY_BUFFER_STATE b; + char *buf; + yy_size_t n; + int i; + + /* Get memory for full buffer, including space for trailing EOB's. */ + n = _yybytes_len + 2; + buf = (char *) perf_pmu_alloc(n ); + if ( ! buf ) + YY_FATAL_ERROR( "out of dynamic memory in perf_pmu__scan_bytes()" ); + + for ( i = 0; i < _yybytes_len; ++i ) + buf[i] = yybytes[i]; + + buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; + + b = perf_pmu__scan_buffer(buf,n ); + if ( ! b ) + YY_FATAL_ERROR( "bad buffer in perf_pmu__scan_bytes()" ); + + /* It's okay to grow etc. this buffer, and we should throw it + * away when we're done. + */ + b->yy_is_our_buffer = 1; + + return b; +} + +#ifndef YY_EXIT_FAILURE +#define YY_EXIT_FAILURE 2 +#endif + +static void yy_fatal_error (yyconst char* msg ) +{ + (void) fprintf( stderr, "%s\n", msg ); + exit( YY_EXIT_FAILURE ); +} + +/* Redefine yyless() so it works in section 3 code. */ + +#undef yyless +#define yyless(n) \ + do \ + { \ + /* Undo effects of setting up perf_pmu_text. */ \ + int yyless_macro_arg = (n); \ + YY_LESS_LINENO(yyless_macro_arg);\ + perf_pmu_text[perf_pmu_leng] = (yy_hold_char); \ + (yy_c_buf_p) = perf_pmu_text + yyless_macro_arg; \ + (yy_hold_char) = *(yy_c_buf_p); \ + *(yy_c_buf_p) = '\0'; \ + perf_pmu_leng = yyless_macro_arg; \ + } \ + while ( 0 ) + +/* Accessor methods (get/set functions) to struct members. */ + +/** Get the current line number. + * + */ +int perf_pmu_get_lineno (void) +{ + + return perf_pmu_lineno; +} + +/** Get the input stream. + * + */ +FILE *perf_pmu_get_in (void) +{ + return perf_pmu_in; +} + +/** Get the output stream. + * + */ +FILE *perf_pmu_get_out (void) +{ + return perf_pmu_out; +} + +/** Get the length of the current token. + * + */ +int perf_pmu_get_leng (void) +{ + return perf_pmu_leng; +} + +/** Get the current token. + * + */ + +char *perf_pmu_get_text (void) +{ + return perf_pmu_text; +} + +/** Set the current line number. + * @param line_number + * + */ +void perf_pmu_set_lineno (int line_number ) +{ + + perf_pmu_lineno = line_number; +} + +/** Set the input stream. This does not discard the current + * input buffer. + * @param in_str A readable stream. + * + * @see perf_pmu__switch_to_buffer + */ +void perf_pmu_set_in (FILE * in_str ) +{ + perf_pmu_in = in_str ; +} + +void perf_pmu_set_out (FILE * out_str ) +{ + perf_pmu_out = out_str ; +} + +int perf_pmu_get_debug (void) +{ + return perf_pmu__flex_debug; +} + +void perf_pmu_set_debug (int bdebug ) +{ + perf_pmu__flex_debug = bdebug ; +} + +static int yy_init_globals (void) +{ + /* Initialization is the same as for the non-reentrant scanner. + * This function is called from perf_pmu_lex_destroy(), so don't allocate here. + */ + + (yy_buffer_stack) = 0; + (yy_buffer_stack_top) = 0; + (yy_buffer_stack_max) = 0; + (yy_c_buf_p) = (char *) 0; + (yy_init) = 0; + (yy_start) = 0; + +/* Defined in main.c */ +#ifdef YY_STDINIT + perf_pmu_in = stdin; + perf_pmu_out = stdout; +#else + perf_pmu_in = (FILE *) 0; + perf_pmu_out = (FILE *) 0; +#endif + + /* For future reference: Set errno on error, since we are called by + * perf_pmu_lex_init() + */ + return 0; +} + +/* perf_pmu_lex_destroy is for both reentrant and non-reentrant scanners. */ +int perf_pmu_lex_destroy (void) +{ + + /* Pop the buffer stack, destroying each element. */ + while(YY_CURRENT_BUFFER){ + perf_pmu__delete_buffer(YY_CURRENT_BUFFER ); + YY_CURRENT_BUFFER_LVALUE = NULL; + perf_pmu_pop_buffer_state(); + } + + /* Destroy the stack itself. */ + perf_pmu_free((yy_buffer_stack) ); + (yy_buffer_stack) = NULL; + + /* Reset the globals. This is important in a non-reentrant scanner so the next time + * perf_pmu_lex() is called, initialization will occur. */ + yy_init_globals( ); + + return 0; +} + +/* + * Internal utility routines. + */ + +#ifndef yytext_ptr +static void yy_flex_strncpy (char* s1, yyconst char * s2, int n ) +{ + register int i; + for ( i = 0; i < n; ++i ) + s1[i] = s2[i]; +} +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * s ) +{ + register int n; + for ( n = 0; s[n]; ++n ) + ; + + return n; +} +#endif + +void *perf_pmu_alloc (yy_size_t size ) +{ + return (void *) malloc( size ); +} + +void *perf_pmu_realloc (void * ptr, yy_size_t size ) +{ + /* The cast to (char *) in the following accommodates both + * implementations that use char* generic pointers, and those + * that use void* generic pointers. It works with the latter + * because both ANSI C and C++ allow castless assignment from + * any pointer type to void*, and deal with argument conversions + * as though doing an assignment. + */ + return (void *) realloc( (char *) ptr, size ); +} + +void perf_pmu_free (void * ptr ) +{ + free( (char *) ptr ); /* see perf_pmu_realloc() for (char *) cast */ +} + +#define YYTABLES_NAME "yytables" + +#line 38 "util/pmu.l" + + + +int perf_pmu_wrap(void) +{ + return 1; +} + diff --git a/tools/perf/util/pmu-flex.h b/tools/perf/util/pmu-flex.h new file mode 100644 index 00000000000..0a29c8a0da4 --- /dev/null +++ b/tools/perf/util/pmu-flex.h @@ -0,0 +1,316 @@ +#ifndef perf_pmu_HEADER_H +#define perf_pmu_HEADER_H 1 +#define perf_pmu_IN_HEADER 1 + +#line 6 "util/pmu-flex.h" + +#define YY_INT_ALIGNED short int + +/* A lexical scanner generated by flex */ + +#define FLEX_SCANNER +#define YY_FLEX_MAJOR_VERSION 2 +#define YY_FLEX_MINOR_VERSION 5 +#define YY_FLEX_SUBMINOR_VERSION 35 +#if YY_FLEX_SUBMINOR_VERSION > 0 +#define FLEX_BETA +#endif + +/* First, we deal with platform-specific or compiler-specific issues. */ + +/* begin standard C headers. */ +#include <stdio.h> +#include <string.h> +#include <errno.h> +#include <stdlib.h> + +/* end standard C headers. */ + +/* flex integer type definitions */ + +#ifndef FLEXINT_H +#define FLEXINT_H + +/* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */ + +#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L + +/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, + * if you want the limit (max/min) macros for int types. + */ +#ifndef __STDC_LIMIT_MACROS +#define __STDC_LIMIT_MACROS 1 +#endif + +#include <inttypes.h> +typedef int8_t flex_int8_t; +typedef uint8_t flex_uint8_t; +typedef int16_t flex_int16_t; +typedef uint16_t flex_uint16_t; +typedef int32_t flex_int32_t; +typedef uint32_t flex_uint32_t; +#else +typedef signed char flex_int8_t; +typedef short int flex_int16_t; +typedef int flex_int32_t; +typedef unsigned char flex_uint8_t; +typedef unsigned short int flex_uint16_t; +typedef unsigned int flex_uint32_t; +#endif /* ! C99 */ + +/* Limits of integral types. */ +#ifndef INT8_MIN +#define INT8_MIN (-128) +#endif +#ifndef INT16_MIN +#define INT16_MIN (-32767-1) +#endif +#ifndef INT32_MIN +#define INT32_MIN (-2147483647-1) +#endif +#ifndef INT8_MAX +#define INT8_MAX (127) +#endif +#ifndef INT16_MAX +#define INT16_MAX (32767) +#endif +#ifndef INT32_MAX +#define INT32_MAX (2147483647) +#endif +#ifndef UINT8_MAX +#define UINT8_MAX (255U) +#endif +#ifndef UINT16_MAX +#define UINT16_MAX (65535U) +#endif +#ifndef UINT32_MAX +#define UINT32_MAX (4294967295U) +#endif + +#endif /* ! FLEXINT_H */ + +#ifdef __cplusplus + +/* The "const" storage-class-modifier is valid. */ +#define YY_USE_CONST + +#else /* ! __cplusplus */ + +/* C99 requires __STDC__ to be defined as 1. */ +#if defined (__STDC__) + +#define YY_USE_CONST + +#endif /* defined (__STDC__) */ +#endif /* ! __cplusplus */ + +#ifdef YY_USE_CONST +#define yyconst const +#else +#define yyconst +#endif + +/* Size of default input buffer. */ +#ifndef YY_BUF_SIZE +#define YY_BUF_SIZE 16384 +#endif + +#ifndef YY_TYPEDEF_YY_BUFFER_STATE +#define YY_TYPEDEF_YY_BUFFER_STATE +typedef struct yy_buffer_state *YY_BUFFER_STATE; +#endif + +extern int perf_pmu_leng; + +extern FILE *perf_pmu_in, *perf_pmu_out; + +#ifndef YY_TYPEDEF_YY_SIZE_T +#define YY_TYPEDEF_YY_SIZE_T +typedef size_t yy_size_t; +#endif + +#ifndef YY_STRUCT_YY_BUFFER_STATE +#define YY_STRUCT_YY_BUFFER_STATE +struct yy_buffer_state + { + FILE *yy_input_file; + + char *yy_ch_buf; /* input buffer */ + char *yy_buf_pos; /* current position in input buffer */ + + /* Size of input buffer in bytes, not including room for EOB + * characters. + */ + yy_size_t yy_buf_size; + + /* Number of characters read into yy_ch_buf, not including EOB + * characters. + */ + int yy_n_chars; + + /* Whether we "own" the buffer - i.e., we know we created it, + * and can realloc() it to grow it, and should free() it to + * delete it. + */ + int yy_is_our_buffer; + + /* Whether this is an "interactive" input source; if so, and + * if we're using stdio for input, then we want to use getc() + * instead of fread(), to make sure we stop fetching input after + * each newline. + */ + int yy_is_interactive; + + /* Whether we're considered to be at the beginning of a line. + * If so, '^' rules will be active on the next match, otherwise + * not. + */ + int yy_at_bol; + + int yy_bs_lineno; /**< The line count. */ + int yy_bs_column; /**< The column count. */ + + /* Whether to try to fill the input buffer when we reach the + * end of it. + */ + int yy_fill_buffer; + + int yy_buffer_status; + + }; +#endif /* !YY_STRUCT_YY_BUFFER_STATE */ + +void perf_pmu_restart (FILE *input_file ); +void perf_pmu__switch_to_buffer (YY_BUFFER_STATE new_buffer ); +YY_BUFFER_STATE perf_pmu__create_buffer (FILE *file,int size ); +void perf_pmu__delete_buffer (YY_BUFFER_STATE b ); +void perf_pmu__flush_buffer (YY_BUFFER_STATE b ); +void perf_pmu_push_buffer_state (YY_BUFFER_STATE new_buffer ); +void perf_pmu_pop_buffer_state (void ); + +YY_BUFFER_STATE perf_pmu__scan_buffer (char *base,yy_size_t size ); +YY_BUFFER_STATE perf_pmu__scan_string (yyconst char *yy_str ); +YY_BUFFER_STATE perf_pmu__scan_bytes (yyconst char *bytes,int len ); + +void *perf_pmu_alloc (yy_size_t ); +void *perf_pmu_realloc (void *,yy_size_t ); +void perf_pmu_free (void * ); + +/* Begin user sect3 */ + +extern int perf_pmu_lineno; + +extern char *perf_pmu_text; +#define yytext_ptr perf_pmu_text + +#ifdef YY_HEADER_EXPORT_START_CONDITIONS +#define INITIAL 0 + +#endif + +#ifndef YY_NO_UNISTD_H +/* Special case for "unistd.h", since it is non-ANSI. We include it way + * down here because we want the user's section 1 to have been scanned first. + * The user has a chance to override it with an option. + */ +#include <unistd.h> +#endif + +#ifndef YY_EXTRA_TYPE +#define YY_EXTRA_TYPE void * +#endif + +/* Accessor methods to globals. + These are made visible to non-reentrant scanners for convenience. */ + +int perf_pmu_lex_destroy (void ); + +int perf_pmu_get_debug (void ); + +void perf_pmu_set_debug (int debug_flag ); + +YY_EXTRA_TYPE perf_pmu_get_extra (void ); + +void perf_pmu_set_extra (YY_EXTRA_TYPE user_defined ); + +FILE *perf_pmu_get_in (void ); + +void perf_pmu_set_in (FILE * in_str ); + +FILE *perf_pmu_get_out (void ); + +void perf_pmu_set_out (FILE * out_str ); + +int perf_pmu_get_leng (void ); + +char *perf_pmu_get_text (void ); + +int perf_pmu_get_lineno (void ); + +void perf_pmu_set_lineno (int line_number ); + +/* Macros after this point can all be overridden by user definitions in + * section 1. + */ + +#ifndef YY_SKIP_YYWRAP +#ifdef __cplusplus +extern "C" int perf_pmu_wrap (void ); +#else +extern int perf_pmu_wrap (void ); +#endif +#endif + +#ifndef yytext_ptr +static void yy_flex_strncpy (char *,yyconst char *,int ); +#endif + +#ifdef YY_NEED_STRLEN +static int yy_flex_strlen (yyconst char * ); +#endif + +#ifndef YY_NO_INPUT + +#endif + +/* Amount of stuff to slurp up with each read. */ +#ifndef YY_READ_BUF_SIZE +#define YY_READ_BUF_SIZE 8192 +#endif + +/* Number of entries by which start-condition stack grows. */ +#ifndef YY_START_STACK_INCR +#define YY_START_STACK_INCR 25 +#endif + +/* Default declaration of generated scanner - a define so the user can + * easily add parameters. + */ +#ifndef YY_DECL +#define YY_DECL_IS_OURS 1 + +extern int perf_pmu_lex (void); + +#define YY_DECL int perf_pmu_lex (void) +#endif /* !YY_DECL */ + +/* yy_get_previous_state - get the state just before the EOB char was reached */ + +#undef YY_NEW_FILE +#undef YY_FLUSH_BUFFER +#undef yy_set_bol +#undef yy_new_buffer +#undef yy_set_interactive +#undef YY_DO_BEFORE_ACTION + +#ifdef YY_DECL_IS_OURS +#undef YY_DECL_IS_OURS +#undef YY_DECL +#endif + +#line 38 "util/pmu.l" + + +#line 315 "util/pmu-flex.h" +#undef perf_pmu_IN_HEADER +#endif /* perf_pmu_HEADER_H */ diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c new file mode 100644 index 00000000000..cb08a118e81 --- /dev/null +++ b/tools/perf/util/pmu.c @@ -0,0 +1,469 @@ + +#include <linux/list.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include <stdio.h> +#include <dirent.h> +#include "sysfs.h" +#include "util.h" +#include "pmu.h" +#include "parse-events.h" + +int perf_pmu_parse(struct list_head *list, char *name); +extern FILE *perf_pmu_in; + +static LIST_HEAD(pmus); + +/* + * Parse & process all the sysfs attributes located under + * the directory specified in 'dir' parameter. + */ +static int pmu_format_parse(char *dir, struct list_head *head) +{ + struct dirent *evt_ent; + DIR *format_dir; + int ret = 0; + + format_dir = opendir(dir); + if (!format_dir) + return -EINVAL; + + while (!ret && (evt_ent = readdir(format_dir))) { + char path[PATH_MAX]; + char *name = evt_ent->d_name; + FILE *file; + + if (!strcmp(name, ".") || !strcmp(name, "..")) + continue; + + snprintf(path, PATH_MAX, "%s/%s", dir, name); + + ret = -EINVAL; + file = fopen(path, "r"); + if (!file) + break; + + perf_pmu_in = file; + ret = perf_pmu_parse(head, name); + fclose(file); + } + + closedir(format_dir); + return ret; +} + +/* + * Reading/parsing the default pmu format definition, which should be + * located at: + * /sys/bus/event_source/devices/<dev>/format as sysfs group attributes. + */ +static int pmu_format(char *name, struct list_head *format) +{ + struct stat st; + char path[PATH_MAX]; + const char *sysfs; + + sysfs = sysfs_find_mountpoint(); + if (!sysfs) + return -1; + + snprintf(path, PATH_MAX, + "%s/bus/event_source/devices/%s/format", sysfs, name); + + if (stat(path, &st) < 0) + return -1; + + if (pmu_format_parse(path, format)) + return -1; + + return 0; +} + +/* + * Reading/parsing the default pmu type value, which should be + * located at: + * /sys/bus/event_source/devices/<dev>/type as sysfs attribute. + */ +static int pmu_type(char *name, __u32 *type) +{ + struct stat st; + char path[PATH_MAX]; + const char *sysfs; + FILE *file; + int ret = 0; + + sysfs = sysfs_find_mountpoint(); + if (!sysfs) + return -1; + + snprintf(path, PATH_MAX, + "%s/bus/event_source/devices/%s/type", sysfs, name); + + if (stat(path, &st) < 0) + return -1; + + file = fopen(path, "r"); + if (!file) + return -EINVAL; + + if (1 != fscanf(file, "%u", type)) + ret = -1; + + fclose(file); + return ret; +} + +static struct perf_pmu *pmu_lookup(char *name) +{ + struct perf_pmu *pmu; + LIST_HEAD(format); + __u32 type; + + /* + * The pmu data we store & need consists of the pmu + * type value and format definitions. Load both right + * now. + */ + if (pmu_format(name, &format)) + return NULL; + + if (pmu_type(name, &type)) + return NULL; + + pmu = zalloc(sizeof(*pmu)); + if (!pmu) + return NULL; + + INIT_LIST_HEAD(&pmu->format); + list_splice(&format, &pmu->format); + pmu->name = strdup(name); + pmu->type = type; + return pmu; +} + +static struct perf_pmu *pmu_find(char *name) +{ + struct perf_pmu *pmu; + + list_for_each_entry(pmu, &pmus, list) + if (!strcmp(pmu->name, name)) + return pmu; + + return NULL; +} + +struct perf_pmu *perf_pmu__find(char *name) +{ + struct perf_pmu *pmu; + + /* + * Once PMU is loaded it stays in the list, + * so we keep us from multiple reading/parsing + * the pmu format definitions. + */ + pmu = pmu_find(name); + if (pmu) + return pmu; + + return pmu_lookup(name); +} + +static struct perf_pmu__format* +pmu_find_format(struct list_head *formats, char *name) +{ + struct perf_pmu__format *format; + + list_for_each_entry(format, formats, list) + if (!strcmp(format->name, name)) + return format; + + return NULL; +} + +/* + * Returns value based on the format definition (format parameter) + * and unformated value (value parameter). + * + * TODO maybe optimize a little ;) + */ +static __u64 pmu_format_value(unsigned long *format, __u64 value) +{ + unsigned long fbit, vbit; + __u64 v = 0; + + for (fbit = 0, vbit = 0; fbit < PERF_PMU_FORMAT_BITS; fbit++) { + + if (!test_bit(fbit, format)) + continue; + + if (!(value & (1llu << vbit++))) + continue; + + v |= (1llu << fbit); + } + + return v; +} + +/* + * Setup one of config[12] attr members based on the + * user input data - temr parameter. + */ +static int pmu_config_term(struct list_head *formats, + struct perf_event_attr *attr, + struct parse_events__term *term) +{ + struct perf_pmu__format *format; + __u64 *vp; + + /* + * Support only for hardcoded and numnerial terms. + * Hardcoded terms should be already in, so nothing + * to be done for them. + */ + if (parse_events__is_hardcoded_term(term)) + return 0; + + if (term->type != PARSE_EVENTS__TERM_TYPE_NUM) + return -EINVAL; + + format = pmu_find_format(formats, term->config); + if (!format) + return -EINVAL; + + switch (format->value) { + case PERF_PMU_FORMAT_VALUE_CONFIG: + vp = &attr->config; + break; + case PERF_PMU_FORMAT_VALUE_CONFIG1: + vp = &attr->config1; + break; + case PERF_PMU_FORMAT_VALUE_CONFIG2: + vp = &attr->config2; + break; + default: + return -EINVAL; + } + + *vp |= pmu_format_value(format->bits, term->val.num); + return 0; +} + +static int pmu_config(struct list_head *formats, struct perf_event_attr *attr, + struct list_head *head_terms) +{ + struct parse_events__term *term, *h; + + list_for_each_entry_safe(term, h, head_terms, list) + if (pmu_config_term(formats, attr, term)) + return -EINVAL; + + return 0; +} + +/* + * Configures event's 'attr' parameter based on the: + * 1) users input - specified in terms parameter + * 2) pmu format definitions - specified by pmu parameter + */ +int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, + struct list_head *head_terms) +{ + attr->type = pmu->type; + return pmu_config(&pmu->format, attr, head_terms); +} + +int perf_pmu__new_format(struct list_head *list, char *name, + int config, unsigned long *bits) +{ + struct perf_pmu__format *format; + + format = zalloc(sizeof(*format)); + if (!format) + return -ENOMEM; + + format->name = strdup(name); + format->value = config; + memcpy(format->bits, bits, sizeof(format->bits)); + + list_add_tail(&format->list, list); + return 0; +} + +void perf_pmu__set_format(unsigned long *bits, long from, long to) +{ + long b; + + if (!to) + to = from; + + memset(bits, 0, BITS_TO_LONGS(PERF_PMU_FORMAT_BITS)); + for (b = from; b <= to; b++) + set_bit(b, bits); +} + +/* Simulated format definitions. */ +static struct test_format { + const char *name; + const char *value; +} test_formats[] = { + { "krava01", "config:0-1,62-63\n", }, + { "krava02", "config:10-17\n", }, + { "krava03", "config:5\n", }, + { "krava11", "config1:0,2,4,6,8,20-28\n", }, + { "krava12", "config1:63\n", }, + { "krava13", "config1:45-47\n", }, + { "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", }, + { "krava22", "config2:8,18,48,58\n", }, + { "krava23", "config2:28-29,38\n", }, +}; + +#define TEST_FORMATS_CNT (sizeof(test_formats) / sizeof(struct test_format)) + +/* Simulated users input. */ +static struct parse_events__term test_terms[] = { + { + .config = (char *) "krava01", + .val.num = 15, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, + { + .config = (char *) "krava02", + .val.num = 170, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, + { + .config = (char *) "krava03", + .val.num = 1, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, + { + .config = (char *) "krava11", + .val.num = 27, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, + { + .config = (char *) "krava12", + .val.num = 1, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, + { + .config = (char *) "krava13", + .val.num = 2, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, + { + .config = (char *) "krava21", + .val.num = 119, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, + { + .config = (char *) "krava22", + .val.num = 11, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, + { + .config = (char *) "krava23", + .val.num = 2, + .type = PARSE_EVENTS__TERM_TYPE_NUM, + }, +}; +#define TERMS_CNT (sizeof(test_terms) / sizeof(struct parse_events__term)) + +/* + * Prepare format directory data, exported by kernel + * at /sys/bus/event_source/devices/<dev>/format. + */ +static char *test_format_dir_get(void) +{ + static char dir[PATH_MAX]; + unsigned int i; + + snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX"); + if (!mkdtemp(dir)) + return NULL; + + for (i = 0; i < TEST_FORMATS_CNT; i++) { + static char name[PATH_MAX]; + struct test_format *format = &test_formats[i]; + FILE *file; + + snprintf(name, PATH_MAX, "%s/%s", dir, format->name); + + file = fopen(name, "w"); + if (!file) + return NULL; + + if (1 != fwrite(format->value, strlen(format->value), 1, file)) + break; + + fclose(file); + } + + return dir; +} + +/* Cleanup format directory. */ +static int test_format_dir_put(char *dir) +{ + char buf[PATH_MAX]; + snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir); + if (system(buf)) + return -1; + + snprintf(buf, PATH_MAX, "rmdir %s\n", dir); + return system(buf); +} + +static struct list_head *test_terms_list(void) +{ + static LIST_HEAD(terms); + unsigned int i; + + for (i = 0; i < TERMS_CNT; i++) + list_add_tail(&test_terms[i].list, &terms); + + return &terms; +} + +#undef TERMS_CNT + +int perf_pmu__test(void) +{ + char *format = test_format_dir_get(); + LIST_HEAD(formats); + struct list_head *terms = test_terms_list(); + int ret; + + if (!format) + return -EINVAL; + + do { + struct perf_event_attr attr; + + memset(&attr, 0, sizeof(attr)); + + ret = pmu_format_parse(format, &formats); + if (ret) + break; + + ret = pmu_config(&formats, &attr, terms); + if (ret) + break; + + ret = -EINVAL; + + if (attr.config != 0xc00000000002a823) + break; + if (attr.config1 != 0x8000400000000145) + break; + if (attr.config2 != 0x0400000020041d07) + break; + + ret = 0; + } while (0); + + test_format_dir_put(format); + return ret; +} diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h new file mode 100644 index 00000000000..68c0db965e1 --- /dev/null +++ b/tools/perf/util/pmu.h @@ -0,0 +1,41 @@ +#ifndef __PMU_H +#define __PMU_H + +#include <linux/bitops.h> +#include "../../../include/linux/perf_event.h" + +enum { + PERF_PMU_FORMAT_VALUE_CONFIG, + PERF_PMU_FORMAT_VALUE_CONFIG1, + PERF_PMU_FORMAT_VALUE_CONFIG2, +}; + +#define PERF_PMU_FORMAT_BITS 64 + +struct perf_pmu__format { + char *name; + int value; + DECLARE_BITMAP(bits, PERF_PMU_FORMAT_BITS); + struct list_head list; +}; + +struct perf_pmu { + char *name; + __u32 type; + struct list_head format; + struct list_head list; +}; + +struct perf_pmu *perf_pmu__find(char *name); +int perf_pmu__config(struct perf_pmu *pmu, struct perf_event_attr *attr, + struct list_head *head_terms); + +int perf_pmu_wrap(void); +void perf_pmu_error(struct list_head *list, char *name, char const *msg); + +int perf_pmu__new_format(struct list_head *list, char *name, + int config, unsigned long *bits); +void perf_pmu__set_format(unsigned long *bits, long from, long to); + +int perf_pmu__test(void); +#endif /* __PMU_H */ diff --git a/tools/perf/util/pmu.l b/tools/perf/util/pmu.l new file mode 100644 index 00000000000..a15d9fbd7c0 --- /dev/null +++ b/tools/perf/util/pmu.l @@ -0,0 +1,43 @@ +%option prefix="perf_pmu_" + +%{ +#include <stdlib.h> +#include <linux/bitops.h> +#include "pmu.h" +#include "pmu-bison.h" + +static int value(int base) +{ + long num; + + errno = 0; + num = strtoul(perf_pmu_text, NULL, base); + if (errno) + return PP_ERROR; + + perf_pmu_lval.num = num; + return PP_VALUE; +} + +%} + +num_dec [0-9]+ + +%% + +{num_dec} { return value(10); } +config { return PP_CONFIG; } +config1 { return PP_CONFIG1; } +config2 { return PP_CONFIG2; } +- { return '-'; } +: { return ':'; } +, { return ','; } +. { ; } +\n { ; } + +%% + +int perf_pmu_wrap(void) +{ + return 1; +} diff --git a/tools/perf/util/pmu.y b/tools/perf/util/pmu.y new file mode 100644 index 00000000000..20ea77e9316 --- /dev/null +++ b/tools/perf/util/pmu.y @@ -0,0 +1,93 @@ + +%name-prefix "perf_pmu_" +%parse-param {struct list_head *format} +%parse-param {char *name} + +%{ + +#include <linux/compiler.h> +#include <linux/list.h> +#include <linux/bitmap.h> +#include <string.h> +#include "pmu.h" + +extern int perf_pmu_lex (void); + +#define ABORT_ON(val) \ +do { \ + if (val) \ + YYABORT; \ +} while (0) + +%} + +%token PP_CONFIG PP_CONFIG1 PP_CONFIG2 +%token PP_VALUE PP_ERROR +%type <num> PP_VALUE +%type <bits> bit_term +%type <bits> bits + +%union +{ + unsigned long num; + DECLARE_BITMAP(bits, PERF_PMU_FORMAT_BITS); +} + +%% + +format: +format format_term +| +format_term + +format_term: +PP_CONFIG ':' bits +{ + ABORT_ON(perf_pmu__new_format(format, name, + PERF_PMU_FORMAT_VALUE_CONFIG, + $3)); +} +| +PP_CONFIG1 ':' bits +{ + ABORT_ON(perf_pmu__new_format(format, name, + PERF_PMU_FORMAT_VALUE_CONFIG1, + $3)); +} +| +PP_CONFIG2 ':' bits +{ + ABORT_ON(perf_pmu__new_format(format, name, + PERF_PMU_FORMAT_VALUE_CONFIG2, + $3)); +} + +bits: +bits ',' bit_term +{ + bitmap_or($$, $1, $3, 64); +} +| +bit_term +{ + memcpy($$, $1, sizeof($1)); +} + +bit_term: +PP_VALUE '-' PP_VALUE +{ + perf_pmu__set_format($$, $1, $3); +} +| +PP_VALUE +{ + perf_pmu__set_format($$, $1, 0); +} + +%% + +void perf_pmu_error(struct list_head *list __used, + char *name __used, + char const *msg __used) +{ +} diff --git a/tools/perf/util/probe-event.c b/tools/perf/util/probe-event.c index e33554a562b..8a8ee64e72d 100644 --- a/tools/perf/util/probe-event.c +++ b/tools/perf/util/probe-event.c @@ -34,7 +34,6 @@ #include "util.h" #include "event.h" -#include "string.h" #include "strlist.h" #include "debug.h" #include "cache.h" @@ -273,10 +272,10 @@ static int add_module_to_probe_trace_events(struct probe_trace_event *tevs, /* Try to find perf_probe_event with debuginfo */ static int try_to_find_probe_trace_events(struct perf_probe_event *pev, struct probe_trace_event **tevs, - int max_tevs, const char *module) + int max_tevs, const char *target) { bool need_dwarf = perf_probe_event_need_dwarf(pev); - struct debuginfo *dinfo = open_debuginfo(module); + struct debuginfo *dinfo = open_debuginfo(target); int ntevs, ret = 0; if (!dinfo) { @@ -295,9 +294,9 @@ static int try_to_find_probe_trace_events(struct perf_probe_event *pev, if (ntevs > 0) { /* Succeeded to find trace events */ pr_debug("find %d probe_trace_events.\n", ntevs); - if (module) + if (target) ret = add_module_to_probe_trace_events(*tevs, ntevs, - module); + target); return ret < 0 ? ret : ntevs; } @@ -1729,7 +1728,7 @@ static int __add_probe_trace_events(struct perf_probe_event *pev, } ret = 0; - printf("Add new event%s\n", (ntevs > 1) ? "s:" : ":"); + printf("Added new event%s\n", (ntevs > 1) ? "s:" : ":"); for (i = 0; i < ntevs; i++) { tev = &tevs[i]; if (pev->event) @@ -1784,7 +1783,7 @@ static int __add_probe_trace_events(struct perf_probe_event *pev, if (ret >= 0) { /* Show how to use the event. */ - printf("\nYou can now use it on all perf tools, such as:\n\n"); + printf("\nYou can now use it in all perf tools, such as:\n\n"); printf("\tperf record -e %s:%s -aR sleep 1\n\n", tev->group, tev->event); } @@ -1796,14 +1795,14 @@ static int __add_probe_trace_events(struct perf_probe_event *pev, static int convert_to_probe_trace_events(struct perf_probe_event *pev, struct probe_trace_event **tevs, - int max_tevs, const char *module) + int max_tevs, const char *target) { struct symbol *sym; int ret = 0, i; struct probe_trace_event *tev; /* Convert perf_probe_event with debuginfo */ - ret = try_to_find_probe_trace_events(pev, tevs, max_tevs, module); + ret = try_to_find_probe_trace_events(pev, tevs, max_tevs, target); if (ret != 0) return ret; /* Found in debuginfo or got an error */ @@ -1819,8 +1818,8 @@ static int convert_to_probe_trace_events(struct perf_probe_event *pev, goto error; } - if (module) { - tev->point.module = strdup(module); + if (target) { + tev->point.module = strdup(target); if (tev->point.module == NULL) { ret = -ENOMEM; goto error; @@ -1890,7 +1889,7 @@ struct __event_package { }; int add_perf_probe_events(struct perf_probe_event *pevs, int npevs, - int max_tevs, const char *module, bool force_add) + int max_tevs, const char *target, bool force_add) { int i, j, ret; struct __event_package *pkgs; @@ -1913,7 +1912,7 @@ int add_perf_probe_events(struct perf_probe_event *pevs, int npevs, ret = convert_to_probe_trace_events(pkgs[i].pev, &pkgs[i].tevs, max_tevs, - module); + target); if (ret < 0) goto end; pkgs[i].ntevs = ret; @@ -1965,7 +1964,7 @@ static int __del_trace_probe_event(int fd, struct str_node *ent) goto error; } - printf("Remove event: %s\n", ent->s); + printf("Removed event: %s\n", ent->s); return 0; error: pr_warning("Failed to delete event: %s\n", strerror(-ret)); @@ -2069,7 +2068,7 @@ static int filter_available_functions(struct map *map __unused, return 1; } -int show_available_funcs(const char *module, struct strfilter *_filter) +int show_available_funcs(const char *target, struct strfilter *_filter) { struct map *map; int ret; @@ -2080,9 +2079,9 @@ int show_available_funcs(const char *module, struct strfilter *_filter) if (ret < 0) return ret; - map = kernel_get_module_map(module); + map = kernel_get_module_map(target); if (!map) { - pr_err("Failed to find %s map.\n", (module) ? : "kernel"); + pr_err("Failed to find %s map.\n", (target) ? : "kernel"); return -EINVAL; } available_func_filter = _filter; diff --git a/tools/perf/util/probe-finder.c b/tools/perf/util/probe-finder.c index 74bd2e63c4b..2cc162d3b78 100644 --- a/tools/perf/util/probe-finder.c +++ b/tools/perf/util/probe-finder.c @@ -30,7 +30,6 @@ #include <stdlib.h> #include <string.h> #include <stdarg.h> -#include <ctype.h> #include <dwarf-regs.h> #include <linux/bitops.h> diff --git a/tools/perf/util/python-ext-sources b/tools/perf/util/python-ext-sources new file mode 100644 index 00000000000..2884e67ee62 --- /dev/null +++ b/tools/perf/util/python-ext-sources @@ -0,0 +1,19 @@ +# +# List of files needed by perf python extention +# +# Each source file must be placed on its own line so that it can be +# processed by Makefile and util/setup.py accordingly. +# + +util/python.c +util/ctype.c +util/evlist.c +util/evsel.c +util/cpumap.c +util/thread_map.c +util/util.c +util/xyarray.c +util/cgroup.c +util/debugfs.c +util/strlist.c +../../lib/rbtree.c diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 9dd47a4f259..e03b58a4842 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -425,14 +425,14 @@ struct pyrf_thread_map { static int pyrf_thread_map__init(struct pyrf_thread_map *pthreads, PyObject *args, PyObject *kwargs) { - static char *kwlist[] = { "pid", "tid", NULL }; - int pid = -1, tid = -1; + static char *kwlist[] = { "pid", "tid", "uid", NULL }; + int pid = -1, tid = -1, uid = UINT_MAX; - if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|ii", - kwlist, &pid, &tid)) + if (!PyArg_ParseTupleAndKeywords(args, kwargs, "|iii", + kwlist, &pid, &tid, &uid)) return -1; - pthreads->threads = thread_map__new(pid, tid); + pthreads->threads = thread_map__new(pid, tid, uid); if (pthreads->threads == NULL) return -1; return 0; diff --git a/tools/perf/util/scripting-engines/trace-event-python.c b/tools/perf/util/scripting-engines/trace-event-python.c index 0b2a4878317..c2623c6f9b5 100644 --- a/tools/perf/util/scripting-engines/trace-event-python.c +++ b/tools/perf/util/scripting-engines/trace-event-python.c @@ -24,7 +24,6 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <ctype.h> #include <errno.h> #include "../../perf.h" diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index b5ca2558c7b..002ebbf59f4 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -24,7 +24,7 @@ static int perf_session__open(struct perf_session *self, bool force) self->fd = STDIN_FILENO; if (perf_session__read_header(self, self->fd) < 0) - pr_err("incompatible file format"); + pr_err("incompatible file format (rerun with -v to learn more)"); return 0; } @@ -56,7 +56,7 @@ static int perf_session__open(struct perf_session *self, bool force) } if (perf_session__read_header(self, self->fd) < 0) { - pr_err("incompatible file format"); + pr_err("incompatible file format (rerun with -v to learn more)"); goto out_close; } @@ -229,6 +229,64 @@ static bool symbol__match_parent_regex(struct symbol *sym) return 0; } +static const u8 cpumodes[] = { + PERF_RECORD_MISC_USER, + PERF_RECORD_MISC_KERNEL, + PERF_RECORD_MISC_GUEST_USER, + PERF_RECORD_MISC_GUEST_KERNEL +}; +#define NCPUMODES (sizeof(cpumodes)/sizeof(u8)) + +static void ip__resolve_ams(struct machine *self, struct thread *thread, + struct addr_map_symbol *ams, + u64 ip) +{ + struct addr_location al; + size_t i; + u8 m; + + memset(&al, 0, sizeof(al)); + + for (i = 0; i < NCPUMODES; i++) { + m = cpumodes[i]; + /* + * We cannot use the header.misc hint to determine whether a + * branch stack address is user, kernel, guest, hypervisor. + * Branches may straddle the kernel/user/hypervisor boundaries. + * Thus, we have to try consecutively until we find a match + * or else, the symbol is unknown + */ + thread__find_addr_location(thread, self, m, MAP__FUNCTION, + ip, &al, NULL); + if (al.sym) + goto found; + } +found: + ams->addr = ip; + ams->al_addr = al.addr; + ams->sym = al.sym; + ams->map = al.map; +} + +struct branch_info *machine__resolve_bstack(struct machine *self, + struct thread *thr, + struct branch_stack *bs) +{ + struct branch_info *bi; + unsigned int i; + + bi = calloc(bs->nr, sizeof(struct branch_info)); + if (!bi) + return NULL; + + for (i = 0; i < bs->nr; i++) { + ip__resolve_ams(self, thr, &bi[i].to, bs->entries[i].to); + ip__resolve_ams(self, thr, &bi[i].from, bs->entries[i].from); + bi[i].flags = bs->entries[i].flags; + } + return bi; +} + int machine__resolve_callchain(struct machine *self, struct perf_evsel *evsel, struct thread *thread, struct ip_callchain *chain, @@ -697,6 +755,18 @@ static void callchain__printf(struct perf_sample *sample) i, sample->callchain->ips[i]); } +static void branch_stack__printf(struct perf_sample *sample) +{ + uint64_t i; + + printf("... branch stack: nr:%" PRIu64 "\n", sample->branch_stack->nr); + + for (i = 0; i < sample->branch_stack->nr; i++) + printf("..... %2"PRIu64": %016" PRIx64 " -> %016" PRIx64 "\n", + i, sample->branch_stack->entries[i].from, + sample->branch_stack->entries[i].to); +} + static void perf_session__print_tstamp(struct perf_session *session, union perf_event *event, struct perf_sample *sample) @@ -744,6 +814,9 @@ static void dump_sample(struct perf_session *session, union perf_event *event, if (session->sample_type & PERF_SAMPLE_CALLCHAIN) callchain__printf(sample); + + if (session->sample_type & PERF_SAMPLE_BRANCH_STACK) + branch_stack__printf(sample); } static struct machine * @@ -796,6 +869,10 @@ static int perf_session_deliver_event(struct perf_session *session, ++session->hists.stats.nr_unknown_id; return -1; } + if (machine == NULL) { + ++session->hists.stats.nr_unprocessable_samples; + return -1; + } return tool->sample(tool, event, sample, evsel, machine); case PERF_RECORD_MMAP: return tool->mmap(tool, event, sample, machine); @@ -964,6 +1041,12 @@ static void perf_session__warn_about_errors(const struct perf_session *session, session->hists.stats.nr_invalid_chains, session->hists.stats.nr_events[PERF_RECORD_SAMPLE]); } + + if (session->hists.stats.nr_unprocessable_samples != 0) { + ui__warning("%u unprocessable samples recorded.\n" + "Do you have a KVM guest running and not using 'perf kvm'?\n", + session->hists.stats.nr_unprocessable_samples); + } } #define session_done() (*(volatile int *)(&session_done)) @@ -1293,10 +1376,9 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, struct machine *machine, struct perf_evsel *evsel, - int print_sym, int print_dso) + int print_sym, int print_dso, int print_symoffset) { struct addr_location al; - const char *symname, *dsoname; struct callchain_cursor *cursor = &evsel->hists.callchain_cursor; struct callchain_cursor_node *node; @@ -1324,20 +1406,13 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, printf("\t%16" PRIx64, node->ip); if (print_sym) { - if (node->sym && node->sym->name) - symname = node->sym->name; - else - symname = ""; - - printf(" %s", symname); + printf(" "); + symbol__fprintf_symname(node->sym, stdout); } if (print_dso) { - if (node->map && node->map->dso && node->map->dso->name) - dsoname = node->map->dso->name; - else - dsoname = ""; - - printf(" (%s)", dsoname); + printf(" ("); + map__fprintf_dsoname(al.map, stdout); + printf(")"); } printf("\n"); @@ -1347,21 +1422,18 @@ void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, } else { printf("%16" PRIx64, sample->ip); if (print_sym) { - if (al.sym && al.sym->name) - symname = al.sym->name; + printf(" "); + if (print_symoffset) + symbol__fprintf_symname_offs(al.sym, &al, + stdout); else - symname = ""; - - printf(" %s", symname); + symbol__fprintf_symname(al.sym, stdout); } if (print_dso) { - if (al.map && al.map->dso && al.map->dso->name) - dsoname = al.map->dso->name; - else - dsoname = ""; - - printf(" (%s)", dsoname); + printf(" ("); + map__fprintf_dsoname(al.map, stdout); + printf(")"); } } } diff --git a/tools/perf/util/session.h b/tools/perf/util/session.h index 37bc38381fb..7a5434c0056 100644 --- a/tools/perf/util/session.h +++ b/tools/perf/util/session.h @@ -73,6 +73,10 @@ int perf_session__resolve_callchain(struct perf_session *self, struct perf_evsel struct ip_callchain *chain, struct symbol **parent); +struct branch_info *machine__resolve_bstack(struct machine *self, + struct thread *thread, + struct branch_stack *bs); + bool perf_session__has_traces(struct perf_session *self, const char *msg); void mem_bswap_64(void *src, int byte_size); @@ -147,7 +151,7 @@ struct perf_evsel *perf_session__find_first_evtype(struct perf_session *session, void perf_event__print_ip(union perf_event *event, struct perf_sample *sample, struct machine *machine, struct perf_evsel *evsel, - int print_sym, int print_dso); + int print_sym, int print_dso, int print_symoffset); int perf_session__cpu_bitmap(struct perf_session *session, const char *cpu_list, unsigned long *cpu_bitmap); diff --git a/tools/perf/util/setup.py b/tools/perf/util/setup.py index 36d4c561957..d0f9f29cf18 100644 --- a/tools/perf/util/setup.py +++ b/tools/perf/util/setup.py @@ -24,11 +24,11 @@ cflags += getenv('CFLAGS', '').split() build_lib = getenv('PYTHON_EXTBUILD_LIB') build_tmp = getenv('PYTHON_EXTBUILD_TMP') +ext_sources = [f.strip() for f in file('util/python-ext-sources') + if len(f.strip()) > 0 and f[0] != '#'] + perf = Extension('perf', - sources = ['util/python.c', 'util/ctype.c', 'util/evlist.c', - 'util/evsel.c', 'util/cpumap.c', 'util/thread_map.c', - 'util/util.c', 'util/xyarray.c', 'util/cgroup.c', - 'util/debugfs.c'], + sources = ext_sources, include_dirs = ['util/include'], extra_compile_args = cflags, ) diff --git a/tools/perf/util/sort.c b/tools/perf/util/sort.c index 076c9d4e1ea..a27237430c5 100644 --- a/tools/perf/util/sort.c +++ b/tools/perf/util/sort.c @@ -8,6 +8,7 @@ const char default_sort_order[] = "comm,dso,symbol"; const char *sort_order = default_sort_order; int sort__need_collapse = 0; int sort__has_parent = 0; +int sort__branch_mode = -1; /* -1 = means not set */ enum sort_type sort__first_dimension; @@ -97,6 +98,26 @@ static int hist_entry__comm_snprintf(struct hist_entry *self, char *bf, return repsep_snprintf(bf, size, "%*s", width, self->thread->comm); } +static int64_t _sort__dso_cmp(struct map *map_l, struct map *map_r) +{ + struct dso *dso_l = map_l ? map_l->dso : NULL; + struct dso *dso_r = map_r ? map_r->dso : NULL; + const char *dso_name_l, *dso_name_r; + + if (!dso_l || !dso_r) + return cmp_null(dso_l, dso_r); + + if (verbose) { + dso_name_l = dso_l->long_name; + dso_name_r = dso_r->long_name; + } else { + dso_name_l = dso_l->short_name; + dso_name_r = dso_r->short_name; + } + + return strcmp(dso_name_l, dso_name_r); +} + struct sort_entry sort_comm = { .se_header = "Command", .se_cmp = sort__comm_cmp, @@ -110,36 +131,74 @@ struct sort_entry sort_comm = { static int64_t sort__dso_cmp(struct hist_entry *left, struct hist_entry *right) { - struct dso *dso_l = left->ms.map ? left->ms.map->dso : NULL; - struct dso *dso_r = right->ms.map ? right->ms.map->dso : NULL; - const char *dso_name_l, *dso_name_r; + return _sort__dso_cmp(left->ms.map, right->ms.map); +} - if (!dso_l || !dso_r) - return cmp_null(dso_l, dso_r); - if (verbose) { - dso_name_l = dso_l->long_name; - dso_name_r = dso_r->long_name; - } else { - dso_name_l = dso_l->short_name; - dso_name_r = dso_r->short_name; +static int64_t _sort__sym_cmp(struct symbol *sym_l, struct symbol *sym_r, + u64 ip_l, u64 ip_r) +{ + if (!sym_l || !sym_r) + return cmp_null(sym_l, sym_r); + + if (sym_l == sym_r) + return 0; + + if (sym_l) + ip_l = sym_l->start; + if (sym_r) + ip_r = sym_r->start; + + return (int64_t)(ip_r - ip_l); +} + +static int _hist_entry__dso_snprintf(struct map *map, char *bf, + size_t size, unsigned int width) +{ + if (map && map->dso) { + const char *dso_name = !verbose ? map->dso->short_name : + map->dso->long_name; + return repsep_snprintf(bf, size, "%-*s", width, dso_name); } - return strcmp(dso_name_l, dso_name_r); + return repsep_snprintf(bf, size, "%-*s", width, "[unknown]"); } static int hist_entry__dso_snprintf(struct hist_entry *self, char *bf, size_t size, unsigned int width) { - if (self->ms.map && self->ms.map->dso) { - const char *dso_name = !verbose ? self->ms.map->dso->short_name : - self->ms.map->dso->long_name; - return repsep_snprintf(bf, size, "%-*s", width, dso_name); + return _hist_entry__dso_snprintf(self->ms.map, bf, size, width); +} + +static int _hist_entry__sym_snprintf(struct map *map, struct symbol *sym, + u64 ip, char level, char *bf, size_t size, + unsigned int width __used) +{ + size_t ret = 0; + + if (verbose) { + char o = map ? dso__symtab_origin(map->dso) : '!'; + ret += repsep_snprintf(bf, size, "%-#*llx %c ", + BITS_PER_LONG / 4, ip, o); } - return repsep_snprintf(bf, size, "%-*s", width, "[unknown]"); + ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", level); + if (sym) + ret += repsep_snprintf(bf + ret, size - ret, "%-*s", + width - ret, + sym->name); + else { + size_t len = BITS_PER_LONG / 4; + ret += repsep_snprintf(bf + ret, size - ret, "%-#.*llx", + len, ip); + ret += repsep_snprintf(bf + ret, size - ret, "%-*s", + width - ret, ""); + } + + return ret; } + struct sort_entry sort_dso = { .se_header = "Shared Object", .se_cmp = sort__dso_cmp, @@ -147,8 +206,14 @@ struct sort_entry sort_dso = { .se_width_idx = HISTC_DSO, }; -/* --sort symbol */ +static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width __used) +{ + return _hist_entry__sym_snprintf(self->ms.map, self->ms.sym, self->ip, + self->level, bf, size, width); +} +/* --sort symbol */ static int64_t sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) { @@ -166,31 +231,7 @@ sort__sym_cmp(struct hist_entry *left, struct hist_entry *right) ip_l = left->ms.sym->start; ip_r = right->ms.sym->start; - return (int64_t)(ip_r - ip_l); -} - -static int hist_entry__sym_snprintf(struct hist_entry *self, char *bf, - size_t size, unsigned int width __used) -{ - size_t ret = 0; - - if (verbose) { - char o = self->ms.map ? dso__symtab_origin(self->ms.map->dso) : '!'; - ret += repsep_snprintf(bf, size, "%-#*llx %c ", - BITS_PER_LONG / 4, self->ip, o); - } - - if (!sort_dso.elide) - ret += repsep_snprintf(bf + ret, size - ret, "[%c] ", self->level); - - if (self->ms.sym) - ret += repsep_snprintf(bf + ret, size - ret, "%s", - self->ms.sym->name); - else - ret += repsep_snprintf(bf + ret, size - ret, "%-#*llx", - BITS_PER_LONG / 4, self->ip); - - return ret; + return _sort__sym_cmp(left->ms.sym, right->ms.sym, ip_l, ip_r); } struct sort_entry sort_sym = { @@ -249,19 +290,155 @@ struct sort_entry sort_cpu = { .se_width_idx = HISTC_CPU, }; +static int64_t +sort__dso_from_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return _sort__dso_cmp(left->branch_info->from.map, + right->branch_info->from.map); +} + +static int hist_entry__dso_from_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width) +{ + return _hist_entry__dso_snprintf(self->branch_info->from.map, + bf, size, width); +} + +struct sort_entry sort_dso_from = { + .se_header = "Source Shared Object", + .se_cmp = sort__dso_from_cmp, + .se_snprintf = hist_entry__dso_from_snprintf, + .se_width_idx = HISTC_DSO_FROM, +}; + +static int64_t +sort__dso_to_cmp(struct hist_entry *left, struct hist_entry *right) +{ + return _sort__dso_cmp(left->branch_info->to.map, + right->branch_info->to.map); +} + +static int hist_entry__dso_to_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width) +{ + return _hist_entry__dso_snprintf(self->branch_info->to.map, + bf, size, width); +} + +static int64_t +sort__sym_from_cmp(struct hist_entry *left, struct hist_entry *right) +{ + struct addr_map_symbol *from_l = &left->branch_info->from; + struct addr_map_symbol *from_r = &right->branch_info->from; + + if (!from_l->sym && !from_r->sym) + return right->level - left->level; + + return _sort__sym_cmp(from_l->sym, from_r->sym, from_l->addr, + from_r->addr); +} + +static int64_t +sort__sym_to_cmp(struct hist_entry *left, struct hist_entry *right) +{ + struct addr_map_symbol *to_l = &left->branch_info->to; + struct addr_map_symbol *to_r = &right->branch_info->to; + + if (!to_l->sym && !to_r->sym) + return right->level - left->level; + + return _sort__sym_cmp(to_l->sym, to_r->sym, to_l->addr, to_r->addr); +} + +static int hist_entry__sym_from_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width __used) +{ + struct addr_map_symbol *from = &self->branch_info->from; + return _hist_entry__sym_snprintf(from->map, from->sym, from->addr, + self->level, bf, size, width); + +} + +static int hist_entry__sym_to_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width __used) +{ + struct addr_map_symbol *to = &self->branch_info->to; + return _hist_entry__sym_snprintf(to->map, to->sym, to->addr, + self->level, bf, size, width); + +} + +struct sort_entry sort_dso_to = { + .se_header = "Target Shared Object", + .se_cmp = sort__dso_to_cmp, + .se_snprintf = hist_entry__dso_to_snprintf, + .se_width_idx = HISTC_DSO_TO, +}; + +struct sort_entry sort_sym_from = { + .se_header = "Source Symbol", + .se_cmp = sort__sym_from_cmp, + .se_snprintf = hist_entry__sym_from_snprintf, + .se_width_idx = HISTC_SYMBOL_FROM, +}; + +struct sort_entry sort_sym_to = { + .se_header = "Target Symbol", + .se_cmp = sort__sym_to_cmp, + .se_snprintf = hist_entry__sym_to_snprintf, + .se_width_idx = HISTC_SYMBOL_TO, +}; + +static int64_t +sort__mispredict_cmp(struct hist_entry *left, struct hist_entry *right) +{ + const unsigned char mp = left->branch_info->flags.mispred != + right->branch_info->flags.mispred; + const unsigned char p = left->branch_info->flags.predicted != + right->branch_info->flags.predicted; + + return mp || p; +} + +static int hist_entry__mispredict_snprintf(struct hist_entry *self, char *bf, + size_t size, unsigned int width){ + static const char *out = "N/A"; + + if (self->branch_info->flags.predicted) + out = "N"; + else if (self->branch_info->flags.mispred) + out = "Y"; + + return repsep_snprintf(bf, size, "%-*s", width, out); +} + +struct sort_entry sort_mispredict = { + .se_header = "Branch Mispredicted", + .se_cmp = sort__mispredict_cmp, + .se_snprintf = hist_entry__mispredict_snprintf, + .se_width_idx = HISTC_MISPREDICT, +}; + struct sort_dimension { const char *name; struct sort_entry *entry; int taken; }; +#define DIM(d, n, func) [d] = { .name = n, .entry = &(func) } + static struct sort_dimension sort_dimensions[] = { - { .name = "pid", .entry = &sort_thread, }, - { .name = "comm", .entry = &sort_comm, }, - { .name = "dso", .entry = &sort_dso, }, - { .name = "symbol", .entry = &sort_sym, }, - { .name = "parent", .entry = &sort_parent, }, - { .name = "cpu", .entry = &sort_cpu, }, + DIM(SORT_PID, "pid", sort_thread), + DIM(SORT_COMM, "comm", sort_comm), + DIM(SORT_DSO, "dso", sort_dso), + DIM(SORT_DSO_FROM, "dso_from", sort_dso_from), + DIM(SORT_DSO_TO, "dso_to", sort_dso_to), + DIM(SORT_SYM, "symbol", sort_sym), + DIM(SORT_SYM_TO, "symbol_from", sort_sym_from), + DIM(SORT_SYM_FROM, "symbol_to", sort_sym_to), + DIM(SORT_PARENT, "parent", sort_parent), + DIM(SORT_CPU, "cpu", sort_cpu), + DIM(SORT_MISPREDICT, "mispredict", sort_mispredict), }; int sort_dimension__add(const char *tok) @@ -273,7 +450,6 @@ int sort_dimension__add(const char *tok) if (strncasecmp(tok, sd->name, strlen(tok))) continue; - if (sd->entry == &sort_parent) { int ret = regcomp(&parent_regex, parent_pattern, REG_EXTENDED); if (ret) { @@ -305,6 +481,16 @@ int sort_dimension__add(const char *tok) sort__first_dimension = SORT_PARENT; else if (!strcmp(sd->name, "cpu")) sort__first_dimension = SORT_CPU; + else if (!strcmp(sd->name, "symbol_from")) + sort__first_dimension = SORT_SYM_FROM; + else if (!strcmp(sd->name, "symbol_to")) + sort__first_dimension = SORT_SYM_TO; + else if (!strcmp(sd->name, "dso_from")) + sort__first_dimension = SORT_DSO_FROM; + else if (!strcmp(sd->name, "dso_to")) + sort__first_dimension = SORT_DSO_TO; + else if (!strcmp(sd->name, "mispredict")) + sort__first_dimension = SORT_MISPREDICT; } list_add_tail(&sd->entry->list, &hist_entry__sort_list); @@ -312,7 +498,6 @@ int sort_dimension__add(const char *tok) return 0; } - return -ESRCH; } diff --git a/tools/perf/util/sort.h b/tools/perf/util/sort.h index 3f67ae39575..472aa5a63a5 100644 --- a/tools/perf/util/sort.h +++ b/tools/perf/util/sort.h @@ -31,11 +31,16 @@ extern const char *parent_pattern; extern const char default_sort_order[]; extern int sort__need_collapse; extern int sort__has_parent; +extern int sort__branch_mode; extern char *field_sep; extern struct sort_entry sort_comm; extern struct sort_entry sort_dso; extern struct sort_entry sort_sym; extern struct sort_entry sort_parent; +extern struct sort_entry sort_dso_from; +extern struct sort_entry sort_dso_to; +extern struct sort_entry sort_sym_from; +extern struct sort_entry sort_sym_to; extern enum sort_type sort__first_dimension; /** @@ -72,6 +77,7 @@ struct hist_entry { struct hist_entry *pair; struct rb_root sorted_chain; }; + struct branch_info *branch_info; struct callchain_root callchain[0]; }; @@ -82,6 +88,11 @@ enum sort_type { SORT_SYM, SORT_PARENT, SORT_CPU, + SORT_DSO_FROM, + SORT_DSO_TO, + SORT_SYM_FROM, + SORT_SYM_TO, + SORT_MISPREDICT, }; /* diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index 0975438c3e7..5dd83c3e2c0 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -1,4 +1,3 @@ -#include <ctype.h> #include <dirent.h> #include <errno.h> #include <libgen.h> @@ -12,6 +11,7 @@ #include <unistd.h> #include <inttypes.h> #include "build-id.h" +#include "util.h" #include "debug.h" #include "symbol.h" #include "strlist.h" @@ -263,6 +263,28 @@ static size_t symbol__fprintf(struct symbol *sym, FILE *fp) sym->name); } +size_t symbol__fprintf_symname_offs(const struct symbol *sym, + const struct addr_location *al, FILE *fp) +{ + unsigned long offset; + size_t length; + + if (sym && sym->name) { + length = fprintf(fp, "%s", sym->name); + if (al) { + offset = al->addr - sym->start; + length += fprintf(fp, "+0x%lx", offset); + } + return length; + } else + return fprintf(fp, "[unknown]"); +} + +size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp) +{ + return symbol__fprintf_symname_offs(sym, NULL, fp); +} + void dso__set_long_name(struct dso *dso, char *name) { if (name == NULL) diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 123c2e14353..ac49ef208a5 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -5,6 +5,7 @@ #include <stdbool.h> #include <stdint.h> #include "map.h" +#include "../perf.h" #include <linux/list.h> #include <linux/rbtree.h> #include <stdio.h> @@ -70,6 +71,7 @@ struct symbol_conf { unsigned short priv_size; unsigned short nr_events; bool try_vmlinux_path, + show_kernel_path, use_modules, sort_by_name, show_nr_samples, @@ -95,7 +97,11 @@ struct symbol_conf { *col_width_list_str; struct strlist *dso_list, *comm_list, - *sym_list; + *sym_list, + *dso_from_list, + *dso_to_list, + *sym_from_list, + *sym_to_list; const char *symfs; }; @@ -119,6 +125,19 @@ struct map_symbol { bool has_children; }; +struct addr_map_symbol { + struct map *map; + struct symbol *sym; + u64 addr; + u64 al_addr; +}; + +struct branch_info { + struct addr_map_symbol from; + struct addr_map_symbol to; + struct branch_flags flags; +}; + struct addr_location { struct thread *thread; struct map *map; @@ -241,6 +260,9 @@ void machines__destroy_guest_kernel_maps(struct rb_root *machines); int symbol__init(void); void symbol__exit(void); +size_t symbol__fprintf_symname_offs(const struct symbol *sym, + const struct addr_location *al, FILE *fp); +size_t symbol__fprintf_symname(const struct symbol *sym, FILE *fp); bool symbol_type__is_a(char symbol_type, enum map_type map_type); size_t machine__fprintf_vmlinux_path(struct machine *machine, FILE *fp); diff --git a/tools/perf/util/sysfs.c b/tools/perf/util/sysfs.c new file mode 100644 index 00000000000..48c6902e749 --- /dev/null +++ b/tools/perf/util/sysfs.c @@ -0,0 +1,60 @@ + +#include "util.h" +#include "sysfs.h" + +static const char * const sysfs_known_mountpoints[] = { + "/sys", + 0, +}; + +static int sysfs_found; +char sysfs_mountpoint[PATH_MAX]; + +static int sysfs_valid_mountpoint(const char *sysfs) +{ + struct statfs st_fs; + + if (statfs(sysfs, &st_fs) < 0) + return -ENOENT; + else if (st_fs.f_type != (long) SYSFS_MAGIC) + return -ENOENT; + + return 0; +} + +const char *sysfs_find_mountpoint(void) +{ + const char * const *ptr; + char type[100]; + FILE *fp; + + if (sysfs_found) + return (const char *) sysfs_mountpoint; + + ptr = sysfs_known_mountpoints; + while (*ptr) { + if (sysfs_valid_mountpoint(*ptr) == 0) { + sysfs_found = 1; + strcpy(sysfs_mountpoint, *ptr); + return sysfs_mountpoint; + } + ptr++; + } + + /* give up and parse /proc/mounts */ + fp = fopen("/proc/mounts", "r"); + if (fp == NULL) + return NULL; + + while (!sysfs_found && + fscanf(fp, "%*s %" STR(PATH_MAX) "s %99s %*s %*d %*d\n", + sysfs_mountpoint, type) == 2) { + + if (strcmp(type, "sysfs") == 0) + sysfs_found = 1; + } + + fclose(fp); + + return sysfs_found ? sysfs_mountpoint : NULL; +} diff --git a/tools/perf/util/sysfs.h b/tools/perf/util/sysfs.h new file mode 100644 index 00000000000..a813b720393 --- /dev/null +++ b/tools/perf/util/sysfs.h @@ -0,0 +1,6 @@ +#ifndef __SYSFS_H__ +#define __SYSFS_H__ + +const char *sysfs_find_mountpoint(void); + +#endif /* __DEBUGFS_H__ */ diff --git a/tools/perf/util/thread_map.c b/tools/perf/util/thread_map.c index a5df131b77c..84d9bd78200 100644 --- a/tools/perf/util/thread_map.c +++ b/tools/perf/util/thread_map.c @@ -1,6 +1,13 @@ #include <dirent.h> +#include <limits.h> +#include <stdbool.h> #include <stdlib.h> #include <stdio.h> +#include <sys/types.h> +#include <sys/stat.h> +#include <unistd.h> +#include "strlist.h" +#include <string.h> #include "thread_map.h" /* Skip "." and ".." directories */ @@ -23,7 +30,7 @@ struct thread_map *thread_map__new_by_pid(pid_t pid) sprintf(name, "/proc/%d/task", pid); items = scandir(name, &namelist, filter, NULL); if (items <= 0) - return NULL; + return NULL; threads = malloc(sizeof(*threads) + sizeof(pid_t) * items); if (threads != NULL) { @@ -51,14 +58,240 @@ struct thread_map *thread_map__new_by_tid(pid_t tid) return threads; } -struct thread_map *thread_map__new(pid_t pid, pid_t tid) +struct thread_map *thread_map__new_by_uid(uid_t uid) +{ + DIR *proc; + int max_threads = 32, items, i; + char path[256]; + struct dirent dirent, *next, **namelist = NULL; + struct thread_map *threads = malloc(sizeof(*threads) + + max_threads * sizeof(pid_t)); + if (threads == NULL) + goto out; + + proc = opendir("/proc"); + if (proc == NULL) + goto out_free_threads; + + threads->nr = 0; + + while (!readdir_r(proc, &dirent, &next) && next) { + char *end; + bool grow = false; + struct stat st; + pid_t pid = strtol(dirent.d_name, &end, 10); + + if (*end) /* only interested in proper numerical dirents */ + continue; + + snprintf(path, sizeof(path), "/proc/%s", dirent.d_name); + + if (stat(path, &st) != 0) + continue; + + if (st.st_uid != uid) + continue; + + snprintf(path, sizeof(path), "/proc/%d/task", pid); + items = scandir(path, &namelist, filter, NULL); + if (items <= 0) + goto out_free_closedir; + + while (threads->nr + items >= max_threads) { + max_threads *= 2; + grow = true; + } + + if (grow) { + struct thread_map *tmp; + + tmp = realloc(threads, (sizeof(*threads) + + max_threads * sizeof(pid_t))); + if (tmp == NULL) + goto out_free_namelist; + + threads = tmp; + } + + for (i = 0; i < items; i++) + threads->map[threads->nr + i] = atoi(namelist[i]->d_name); + + for (i = 0; i < items; i++) + free(namelist[i]); + free(namelist); + + threads->nr += items; + } + +out_closedir: + closedir(proc); +out: + return threads; + +out_free_threads: + free(threads); + return NULL; + +out_free_namelist: + for (i = 0; i < items; i++) + free(namelist[i]); + free(namelist); + +out_free_closedir: + free(threads); + threads = NULL; + goto out_closedir; +} + +struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid) { if (pid != -1) return thread_map__new_by_pid(pid); + + if (tid == -1 && uid != UINT_MAX) + return thread_map__new_by_uid(uid); + return thread_map__new_by_tid(tid); } +static struct thread_map *thread_map__new_by_pid_str(const char *pid_str) +{ + struct thread_map *threads = NULL, *nt; + char name[256]; + int items, total_tasks = 0; + struct dirent **namelist = NULL; + int i, j = 0; + pid_t pid, prev_pid = INT_MAX; + char *end_ptr; + struct str_node *pos; + struct strlist *slist = strlist__new(false, pid_str); + + if (!slist) + return NULL; + + strlist__for_each(pos, slist) { + pid = strtol(pos->s, &end_ptr, 10); + + if (pid == INT_MIN || pid == INT_MAX || + (*end_ptr != '\0' && *end_ptr != ',')) + goto out_free_threads; + + if (pid == prev_pid) + continue; + + sprintf(name, "/proc/%d/task", pid); + items = scandir(name, &namelist, filter, NULL); + if (items <= 0) + goto out_free_threads; + + total_tasks += items; + nt = realloc(threads, (sizeof(*threads) + + sizeof(pid_t) * total_tasks)); + if (nt == NULL) + goto out_free_threads; + + threads = nt; + + if (threads) { + for (i = 0; i < items; i++) + threads->map[j++] = atoi(namelist[i]->d_name); + threads->nr = total_tasks; + } + + for (i = 0; i < items; i++) + free(namelist[i]); + free(namelist); + + if (!threads) + break; + } + +out: + strlist__delete(slist); + return threads; + +out_free_threads: + free(threads); + threads = NULL; + goto out; +} + +static struct thread_map *thread_map__new_by_tid_str(const char *tid_str) +{ + struct thread_map *threads = NULL, *nt; + int ntasks = 0; + pid_t tid, prev_tid = INT_MAX; + char *end_ptr; + struct str_node *pos; + struct strlist *slist; + + /* perf-stat expects threads to be generated even if tid not given */ + if (!tid_str) { + threads = malloc(sizeof(*threads) + sizeof(pid_t)); + if (threads != NULL) { + threads->map[0] = -1; + threads->nr = 1; + } + return threads; + } + + slist = strlist__new(false, tid_str); + if (!slist) + return NULL; + + strlist__for_each(pos, slist) { + tid = strtol(pos->s, &end_ptr, 10); + + if (tid == INT_MIN || tid == INT_MAX || + (*end_ptr != '\0' && *end_ptr != ',')) + goto out_free_threads; + + if (tid == prev_tid) + continue; + + ntasks++; + nt = realloc(threads, sizeof(*threads) + sizeof(pid_t) * ntasks); + + if (nt == NULL) + goto out_free_threads; + + threads = nt; + threads->map[ntasks - 1] = tid; + threads->nr = ntasks; + } +out: + return threads; + +out_free_threads: + free(threads); + threads = NULL; + goto out; +} + +struct thread_map *thread_map__new_str(const char *pid, const char *tid, + uid_t uid) +{ + if (pid) + return thread_map__new_by_pid_str(pid); + + if (!tid && uid != UINT_MAX) + return thread_map__new_by_uid(uid); + + return thread_map__new_by_tid_str(tid); +} + void thread_map__delete(struct thread_map *threads) { free(threads); } + +size_t thread_map__fprintf(struct thread_map *threads, FILE *fp) +{ + int i; + size_t printed = fprintf(fp, "%d thread%s: ", + threads->nr, threads->nr > 1 ? "s" : ""); + for (i = 0; i < threads->nr; ++i) + printed += fprintf(fp, "%s%d", i ? ", " : "", threads->map[i]); + + return printed + fprintf(fp, "\n"); +} diff --git a/tools/perf/util/thread_map.h b/tools/perf/util/thread_map.h index 3cb90731140..7da80f14418 100644 --- a/tools/perf/util/thread_map.h +++ b/tools/perf/util/thread_map.h @@ -2,6 +2,7 @@ #define __PERF_THREAD_MAP_H #include <sys/types.h> +#include <stdio.h> struct thread_map { int nr; @@ -10,6 +11,14 @@ struct thread_map { struct thread_map *thread_map__new_by_pid(pid_t pid); struct thread_map *thread_map__new_by_tid(pid_t tid); -struct thread_map *thread_map__new(pid_t pid, pid_t tid); +struct thread_map *thread_map__new_by_uid(uid_t uid); +struct thread_map *thread_map__new(pid_t pid, pid_t tid, uid_t uid); + +struct thread_map *thread_map__new_str(const char *pid, + const char *tid, uid_t uid); + void thread_map__delete(struct thread_map *threads); + +size_t thread_map__fprintf(struct thread_map *threads, FILE *fp); + #endif /* __PERF_THREAD_MAP_H */ diff --git a/tools/perf/util/top.c b/tools/perf/util/top.c index 500471dffa4..09fe579ccaf 100644 --- a/tools/perf/util/top.c +++ b/tools/perf/util/top.c @@ -69,12 +69,15 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size) ret += SNPRINTF(bf + ret, size - ret, "], "); - if (top->target_pid != -1) - ret += SNPRINTF(bf + ret, size - ret, " (target_pid: %d", + if (top->target_pid) + ret += SNPRINTF(bf + ret, size - ret, " (target_pid: %s", top->target_pid); - else if (top->target_tid != -1) - ret += SNPRINTF(bf + ret, size - ret, " (target_tid: %d", + else if (top->target_tid) + ret += SNPRINTF(bf + ret, size - ret, " (target_tid: %s", top->target_tid); + else if (top->uid_str != NULL) + ret += SNPRINTF(bf + ret, size - ret, " (uid: %s", + top->uid_str); else ret += SNPRINTF(bf + ret, size - ret, " (all"); @@ -82,7 +85,7 @@ size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size) ret += SNPRINTF(bf + ret, size - ret, ", CPU%s: %s)", top->evlist->cpus->nr > 1 ? "s" : "", top->cpu_list); else { - if (top->target_tid != -1) + if (top->target_tid) ret += SNPRINTF(bf + ret, size - ret, ")"); else ret += SNPRINTF(bf + ret, size - ret, ", %d CPU%s)", diff --git a/tools/perf/util/top.h b/tools/perf/util/top.h index f2eab81435a..ce61cb2d1ac 100644 --- a/tools/perf/util/top.h +++ b/tools/perf/util/top.h @@ -23,7 +23,8 @@ struct perf_top { u64 guest_us_samples, guest_kernel_samples; int print_entries, count_filter, delay_secs; int freq; - pid_t target_pid, target_tid; + const char *target_pid, *target_tid; + uid_t uid; bool hide_kernel_symbols, hide_user_symbols, zero; bool system_wide; bool use_tui, use_stdio; @@ -33,7 +34,7 @@ struct perf_top { bool vmlinux_warned; bool inherit; bool group; - bool sample_id_all_avail; + bool sample_id_all_missing; bool exclude_guest_missing; bool dump_symtab; const char *cpu_list; @@ -46,6 +47,7 @@ struct perf_top { int realtime_prio; int sym_pcnt_filter; const char *sym_filter; + const char *uid_str; }; size_t perf_top__header_snprintf(struct perf_top *top, char *bf, size_t size); diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c index 1a8d4dc4f38..a4088ced1e6 100644 --- a/tools/perf/util/trace-event-parse.c +++ b/tools/perf/util/trace-event-parse.c @@ -25,7 +25,6 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <ctype.h> #include <errno.h> #include "../perf.h" @@ -1424,6 +1423,11 @@ static long long arg_num_eval(struct print_arg *arg) die("unknown op '%s'", arg->op.op); } break; + case '+': + left = arg_num_eval(arg->op.left); + right = arg_num_eval(arg->op.right); + val = left + right; + break; default: die("unknown op '%s'", arg->op.op); } @@ -1484,6 +1488,13 @@ process_fields(struct event *event, struct print_flag_sym **list, char **tok) free_token(token); type = process_arg(event, arg, &token); + + if (type == EVENT_OP) + type = process_op(event, arg, &token); + + if (type == EVENT_ERROR) + goto out_free; + if (test_type_token(type, token, EVENT_DELIM, ",")) goto out_free; diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index f55cc3a765a..b9592e0de8d 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -33,7 +33,6 @@ #include <pthread.h> #include <fcntl.h> #include <unistd.h> -#include <ctype.h> #include <errno.h> #include "../perf.h" diff --git a/tools/perf/util/trace-event-scripting.c b/tools/perf/util/trace-event-scripting.c index a3fdf55f317..18ae6c1831d 100644 --- a/tools/perf/util/trace-event-scripting.c +++ b/tools/perf/util/trace-event-scripting.c @@ -22,7 +22,6 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <ctype.h> #include <errno.h> #include "../perf.h" diff --git a/tools/perf/util/ui/browser.h b/tools/perf/util/ui/browser.h index 84d761b730c..6ee82f60fea 100644 --- a/tools/perf/util/ui/browser.h +++ b/tools/perf/util/ui/browser.h @@ -49,6 +49,8 @@ int ui_browser__warning(struct ui_browser *browser, int timeout, const char *format, ...); int ui_browser__help_window(struct ui_browser *browser, const char *text); bool ui_browser__dialog_yesno(struct ui_browser *browser, const char *text); +int ui_browser__input_window(const char *title, const char *text, char *input, + const char *exit_msg, int delay_sec); void ui_browser__argv_seek(struct ui_browser *browser, off_t offset, int whence); unsigned int ui_browser__argv_refresh(struct ui_browser *browser); diff --git a/tools/perf/util/ui/browsers/annotate.c b/tools/perf/util/ui/browsers/annotate.c index 295a9c93f94..57a4c6ef3fd 100644 --- a/tools/perf/util/ui/browsers/annotate.c +++ b/tools/perf/util/ui/browsers/annotate.c @@ -69,14 +69,17 @@ static void annotate_browser__write(struct ui_browser *self, void *entry, int ro if (!self->navkeypressed) width += 1; + if (!ab->hide_src_code && ol->offset != -1) + if (!current_entry || (self->use_navkeypressed && + !self->navkeypressed)) + ui_browser__set_color(self, HE_COLORSET_CODE); + if (!*ol->line) slsmg_write_nstring(" ", width - 18); else slsmg_write_nstring(ol->line, width - 18); - if (!current_entry) - ui_browser__set_color(self, HE_COLORSET_CODE); - else + if (current_entry) ab->selection = ol; } @@ -230,9 +233,9 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx, struct rb_node *nd = NULL; struct map_symbol *ms = self->b.priv; struct symbol *sym = ms->sym; - const char *help = "<-, ESC: exit, TAB/shift+TAB: cycle hottest lines, " - "H: Hottest, -> Line action, S -> Toggle source " - "code view"; + const char *help = "<-/ESC: Exit, TAB/shift+TAB: Cycle hot lines, " + "H: Go to hottest line, ->/ENTER: Line action, " + "S: Toggle source code view"; int key; if (ui_browser__show(&self->b, sym->name, help) < 0) @@ -284,9 +287,11 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx, nd = self->curr_hot; break; case 'H': + case 'h': nd = self->curr_hot; break; case 'S': + case 's': if (annotate_browser__toggle_source(self)) ui_helpline__puts(help); continue; @@ -338,6 +343,7 @@ static int annotate_browser__run(struct annotate_browser *self, int evidx, pthread_mutex_unlock(¬es->lock); symbol__tui_annotate(target, ms->map, evidx, timer, arg, delay_secs); + ui_browser__show_title(&self->b, sym->name); } continue; case K_LEFT: diff --git a/tools/perf/util/ui/browsers/hists.c b/tools/perf/util/ui/browsers/hists.c index bb9197c9c4a..d7a1c4afe28 100644 --- a/tools/perf/util/ui/browsers/hists.c +++ b/tools/perf/util/ui/browsers/hists.c @@ -805,8 +805,11 @@ static struct hist_browser *hist_browser__new(struct hists *hists) self->hists = hists; self->b.refresh = hist_browser__refresh; self->b.seek = ui_browser__hists_seek; - self->b.use_navkeypressed = true, - self->has_symbols = sort_sym.list.next != NULL; + self->b.use_navkeypressed = true; + if (sort__branch_mode == 1) + self->has_symbols = sort_sym_from.list.next != NULL; + else + self->has_symbols = sort_sym.list.next != NULL; } return self; @@ -839,6 +842,9 @@ static int hists__browser_title(struct hists *self, char *bf, size_t size, nr_events = convert_unit(nr_events, &unit); printed = scnprintf(bf, size, "Events: %lu%c %s", nr_events, unit, ev_name); + if (self->uid_filter_str) + printed += snprintf(bf + printed, size - printed, + ", UID: %s", self->uid_filter_str); if (thread) printed += scnprintf(bf + printed, size - printed, ", Thread: %s(%d)", @@ -850,6 +856,16 @@ static int hists__browser_title(struct hists *self, char *bf, size_t size, return printed; } +static inline void free_popup_options(char **options, int n) +{ + int i; + + for (i = 0; i < n; ++i) { + free(options[i]); + options[i] = NULL; + } +} + static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, const char *helpline, const char *ev_name, bool left_exits, @@ -858,8 +874,12 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, { struct hists *self = &evsel->hists; struct hist_browser *browser = hist_browser__new(self); + struct branch_info *bi; struct pstack *fstack; + char *options[16]; + int nr_options = 0; int key = -1; + char buf[64]; if (browser == NULL) return -1; @@ -870,13 +890,16 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, ui_helpline__push(helpline); + memset(options, 0, sizeof(options)); + while (1) { const struct thread *thread = NULL; const struct dso *dso = NULL; - char *options[16]; - int nr_options = 0, choice = 0, i, + int choice = 0, annotate = -2, zoom_dso = -2, zoom_thread = -2, - browse_map = -2; + annotate_f = -2, annotate_t = -2, browse_map = -2; + + nr_options = 0; key = hist_browser__run(browser, ev_name, timer, arg, delay_secs); @@ -884,7 +907,6 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, thread = hist_browser__selected_thread(browser); dso = browser->selection->map ? browser->selection->map->dso : NULL; } - switch (key) { case K_TAB: case K_UNTAB: @@ -899,7 +921,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, if (!browser->has_symbols) { ui_browser__warning(&browser->b, delay_secs * 2, "Annotation is only available for symbolic views, " - "include \"sym\" in --sort to use it."); + "include \"sym*\" in --sort to use it."); continue; } @@ -912,6 +934,16 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, goto zoom_dso; case 't': goto zoom_thread; + case 's': + if (ui_browser__input_window("Symbol to show", + "Please enter the name of symbol you want to see", + buf, "ENTER: OK, ESC: Cancel", + delay_secs * 2) == K_ENTER) { + self->symbol_filter_str = *buf ? buf : NULL; + hists__filter_by_symbol(self); + hist_browser__reset(browser); + } + continue; case K_F1: case 'h': case '?': @@ -929,7 +961,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, "C Collapse all callchains\n" "E Expand all callchains\n" "d Zoom into current DSO\n" - "t Zoom into current Thread"); + "t Zoom into current Thread\n" + "s Filter symbol by name"); continue; case K_ENTER: case K_RIGHT: @@ -969,12 +1002,34 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, if (!browser->has_symbols) goto add_exit_option; - if (browser->selection != NULL && - browser->selection->sym != NULL && - !browser->selection->map->dso->annotate_warned && - asprintf(&options[nr_options], "Annotate %s", - browser->selection->sym->name) > 0) - annotate = nr_options++; + if (sort__branch_mode == 1) { + bi = browser->he_selection->branch_info; + if (browser->selection != NULL && + bi && + bi->from.sym != NULL && + !bi->from.map->dso->annotate_warned && + asprintf(&options[nr_options], "Annotate %s", + bi->from.sym->name) > 0) + annotate_f = nr_options++; + + if (browser->selection != NULL && + bi && + bi->to.sym != NULL && + !bi->to.map->dso->annotate_warned && + (bi->to.sym != bi->from.sym || + bi->to.map->dso != bi->from.map->dso) && + asprintf(&options[nr_options], "Annotate %s", + bi->to.sym->name) > 0) + annotate_t = nr_options++; + } else { + + if (browser->selection != NULL && + browser->selection->sym != NULL && + !browser->selection->map->dso->annotate_warned && + asprintf(&options[nr_options], "Annotate %s", + browser->selection->sym->name) > 0) + annotate = nr_options++; + } if (thread != NULL && asprintf(&options[nr_options], "Zoom %s %s(%d) thread", @@ -995,25 +1050,39 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, browse_map = nr_options++; add_exit_option: options[nr_options++] = (char *)"Exit"; - +retry_popup_menu: choice = ui__popup_menu(nr_options, options); - for (i = 0; i < nr_options - 1; ++i) - free(options[i]); - if (choice == nr_options - 1) break; - if (choice == -1) + if (choice == -1) { + free_popup_options(options, nr_options - 1); continue; + } - if (choice == annotate) { + if (choice == annotate || choice == annotate_t || choice == annotate_f) { struct hist_entry *he; int err; do_annotate: he = hist_browser__selected_entry(browser); if (he == NULL) continue; + + /* + * we stash the branch_info symbol + map into the + * the ms so we don't have to rewrite all the annotation + * code to use branch_info. + * in branch mode, the ms struct is not used + */ + if (choice == annotate_f) { + he->ms.sym = he->branch_info->from.sym; + he->ms.map = he->branch_info->from.map; + } else if (choice == annotate_t) { + he->ms.sym = he->branch_info->to.sym; + he->ms.map = he->branch_info->to.map; + } + /* * Don't let this be freed, say, by hists__decay_entry. */ @@ -1021,9 +1090,18 @@ do_annotate: err = hist_entry__tui_annotate(he, evsel->idx, timer, arg, delay_secs); he->used = false; + /* + * offer option to annotate the other branch source or target + * (if they exists) when returning from annotate + */ + if ((err == 'q' || err == CTRL('c')) + && annotate_t != -2 && annotate_f != -2) + goto retry_popup_menu; + ui_browser__update_nr_entries(&browser->b, browser->hists->nr_entries); if (err) ui_browser__handle_resize(&browser->b); + } else if (choice == browse_map) map__browse(browser->selection->map); else if (choice == zoom_dso) { @@ -1069,6 +1147,7 @@ out_free_stack: pstack__delete(fstack); out: hist_browser__delete(browser); + free_popup_options(options, nr_options - 1); return key; } diff --git a/tools/perf/util/ui/browsers/map.c b/tools/perf/util/ui/browsers/map.c index 6905bcc8be2..eca6575abfd 100644 --- a/tools/perf/util/ui/browsers/map.c +++ b/tools/perf/util/ui/browsers/map.c @@ -3,9 +3,9 @@ #include <newt.h> #include <inttypes.h> #include <sys/ttydefaults.h> -#include <ctype.h> #include <string.h> #include <linux/bitops.h> +#include "../../util.h" #include "../../debug.h" #include "../../symbol.h" #include "../browser.h" diff --git a/tools/perf/util/ui/keysyms.h b/tools/perf/util/ui/keysyms.h index 3458b198576..809eca5707f 100644 --- a/tools/perf/util/ui/keysyms.h +++ b/tools/perf/util/ui/keysyms.h @@ -16,6 +16,8 @@ #define K_TAB '\t' #define K_UNTAB SL_KEY_UNTAB #define K_UP SL_KEY_UP +#define K_BKSPC 0x7f +#define K_DEL SL_KEY_DELETE /* Not really keys */ #define K_TIMER -1 diff --git a/tools/perf/util/ui/util.c b/tools/perf/util/ui/util.c index 45daa7c41da..ad4374a16bb 100644 --- a/tools/perf/util/ui/util.c +++ b/tools/perf/util/ui/util.c @@ -69,6 +69,88 @@ int ui__popup_menu(int argc, char * const argv[]) return popup_menu__run(&menu); } +int ui_browser__input_window(const char *title, const char *text, char *input, + const char *exit_msg, int delay_secs) +{ + int x, y, len, key; + int max_len = 60, nr_lines = 0; + static char buf[50]; + const char *t; + + t = text; + while (1) { + const char *sep = strchr(t, '\n'); + + if (sep == NULL) + sep = strchr(t, '\0'); + len = sep - t; + if (max_len < len) + max_len = len; + ++nr_lines; + if (*sep == '\0') + break; + t = sep + 1; + } + + max_len += 2; + nr_lines += 8; + y = SLtt_Screen_Rows / 2 - nr_lines / 2; + x = SLtt_Screen_Cols / 2 - max_len / 2; + + SLsmg_set_color(0); + SLsmg_draw_box(y, x++, nr_lines, max_len); + if (title) { + SLsmg_gotorc(y, x + 1); + SLsmg_write_string((char *)title); + } + SLsmg_gotorc(++y, x); + nr_lines -= 7; + max_len -= 2; + SLsmg_write_wrapped_string((unsigned char *)text, y, x, + nr_lines, max_len, 1); + y += nr_lines; + len = 5; + while (len--) { + SLsmg_gotorc(y + len - 1, x); + SLsmg_write_nstring((char *)" ", max_len); + } + SLsmg_draw_box(y++, x + 1, 3, max_len - 2); + + SLsmg_gotorc(y + 3, x); + SLsmg_write_nstring((char *)exit_msg, max_len); + SLsmg_refresh(); + + x += 2; + len = 0; + key = ui__getch(delay_secs); + while (key != K_TIMER && key != K_ENTER && key != K_ESC) { + if (key == K_BKSPC) { + if (len == 0) + goto next_key; + SLsmg_gotorc(y, x + --len); + SLsmg_write_char(' '); + } else { + buf[len] = key; + SLsmg_gotorc(y, x + len++); + SLsmg_write_char(key); + } + SLsmg_refresh(); + + /* XXX more graceful overflow handling needed */ + if (len == sizeof(buf) - 1) { + ui_helpline__push("maximum size of symbol name reached!"); + key = K_ENTER; + break; + } +next_key: + key = ui__getch(delay_secs); + } + + buf[len] = '\0'; + strncpy(input, buf, len+1); + return key; +} + int ui__question_window(const char *title, const char *text, const char *exit_msg, int delay_secs) { diff --git a/tools/perf/util/usage.c b/tools/perf/util/usage.c index d76d1c0ff98..52bb07c6442 100644 --- a/tools/perf/util/usage.c +++ b/tools/perf/util/usage.c @@ -7,6 +7,7 @@ * Copyright (C) Linus Torvalds, 2005 */ #include "util.h" +#include "debug.h" static void report(const char *prefix, const char *err, va_list params) { @@ -81,3 +82,41 @@ void warning(const char *warn, ...) warn_routine(warn, params); va_end(params); } + +uid_t parse_target_uid(const char *str, const char *tid, const char *pid) +{ + struct passwd pwd, *result; + char buf[1024]; + + if (str == NULL) + return UINT_MAX; + + /* UID and PID are mutually exclusive */ + if (tid || pid) { + ui__warning("PID/TID switch overriding UID\n"); + sleep(1); + return UINT_MAX; + } + + getpwnam_r(str, &pwd, buf, sizeof(buf), &result); + + if (result == NULL) { + char *endptr; + int uid = strtol(str, &endptr, 10); + + if (*endptr != '\0') { + ui__error("Invalid user %s\n", str); + return UINT_MAX - 1; + } + + getpwuid_r(uid, &pwd, buf, sizeof(buf), &result); + + if (result == NULL) { + ui__error("Problems obtaining information for user %s\n", + str); + return UINT_MAX - 1; + } + } + + return result->pw_uid; +} diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index fb25d132921..8109a907841 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -14,6 +14,8 @@ void event_attr_init(struct perf_event_attr *attr) attr->exclude_host = 1; if (!perf_guest) attr->exclude_guest = 1; + /* to capture ABI version */ + attr->size = sizeof(*attr); } int mkdir_p(char *path, mode_t mode) diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index ecf9898169c..0f99f394d8e 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -199,6 +199,8 @@ static inline int has_extension(const char *filename, const char *ext) #undef isalpha #undef isprint #undef isalnum +#undef islower +#undef isupper #undef tolower #undef toupper @@ -219,6 +221,8 @@ extern unsigned char sane_ctype[256]; #define isalpha(x) sane_istest(x,GIT_ALPHA) #define isalnum(x) sane_istest(x,GIT_ALPHA | GIT_DIGIT) #define isprint(x) sane_istest(x,GIT_PRINT) +#define islower(x) (sane_istest(x,GIT_ALPHA) && sane_istest(x,0x20)) +#define isupper(x) (sane_istest(x,GIT_ALPHA) && !sane_istest(x,0x20)) #define tolower(x) sane_case((unsigned char)(x), 0x20) #define toupper(x) sane_case((unsigned char)(x), 0) @@ -245,6 +249,8 @@ struct perf_event_attr; void event_attr_init(struct perf_event_attr *attr); +uid_t parse_target_uid(const char *str, const char *tid, const char *pid); + #define _STR(x) #x #define STR(x) _STR(x) |