diff options
34 files changed, 1196 insertions, 829 deletions
diff --git a/tools/perf/Makefile b/tools/perf/Makefile index 629fc6a4b0df..7e25f59e5e89 100644 --- a/tools/perf/Makefile +++ b/tools/perf/Makefile @@ -327,6 +327,7 @@ LIB_H += util/svghelper.h LIB_H += util/tool.h LIB_H += util/run-command.h LIB_H += util/sigchain.h +LIB_H += util/dso.h LIB_H += util/symbol.h LIB_H += util/color.h LIB_H += util/values.h @@ -385,6 +386,7 @@ LIB_OBJS += $(OUTPUT)util/top.o LIB_OBJS += $(OUTPUT)util/usage.o LIB_OBJS += $(OUTPUT)util/wrapper.o LIB_OBJS += $(OUTPUT)util/sigchain.o +LIB_OBJS += $(OUTPUT)util/dso.o LIB_OBJS += $(OUTPUT)util/symbol.o LIB_OBJS += $(OUTPUT)util/symbol-elf.o LIB_OBJS += $(OUTPUT)util/dso-test-data.o @@ -591,6 +593,7 @@ ifndef NO_NEWT LIB_OBJS += $(OUTPUT)ui/browsers/annotate.o LIB_OBJS += $(OUTPUT)ui/browsers/hists.o LIB_OBJS += $(OUTPUT)ui/browsers/map.o + LIB_OBJS += $(OUTPUT)ui/browsers/scripts.o LIB_OBJS += $(OUTPUT)ui/progress.o LIB_OBJS += $(OUTPUT)ui/util.o LIB_OBJS += $(OUTPUT)ui/tui/setup.o @@ -907,6 +910,9 @@ $(OUTPUT)ui/browsers/hists.o: ui/browsers/hists.c $(OUTPUT)PERF-CFLAGS $(OUTPUT)ui/browsers/map.o: ui/browsers/map.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $< +$(OUTPUT)ui/browsers/scripts.o: ui/browsers/scripts.c $(OUTPUT)PERF-CFLAGS + $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -DENABLE_SLFUTURE_CONST $< + $(OUTPUT)util/rbtree.o: ../../lib/rbtree.c $(OUTPUT)PERF-CFLAGS $(QUIET_CC)$(CC) -o $@ -c $(ALL_CFLAGS) -Wno-unused-parameter -DETC_PERFCONFIG='"$(ETC_PERFCONFIG_SQ)"' $< diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index c4bb6457b19e..cb234765ce3d 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -34,7 +34,6 @@ struct perf_annotate { struct perf_tool tool; - char const *input_name; bool force, use_tui, use_stdio; bool full_paths; bool print_line; @@ -175,7 +174,7 @@ static int __cmd_annotate(struct perf_annotate *ann) struct perf_evsel *pos; u64 total_nr_samples; - session = perf_session__new(ann->input_name, O_RDONLY, + session = perf_session__new(input_name, O_RDONLY, ann->force, false, &ann->tool); if (session == NULL) return -ENOMEM; @@ -260,7 +259,7 @@ int cmd_annotate(int argc, const char **argv, const char *prefix __maybe_unused) }, }; const struct option options[] = { - OPT_STRING('i', "input", &annotate.input_name, "file", + OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_STRING('d', "dsos", &symbol_conf.dso_list_str, "dso[,dso...]", "only consider symbols in these dsos"), diff --git a/tools/perf/builtin-buildid-cache.c b/tools/perf/builtin-buildid-cache.c index d37e077f4b14..fae8b250b2ca 100644 --- a/tools/perf/builtin-buildid-cache.c +++ b/tools/perf/builtin-buildid-cache.c @@ -13,6 +13,7 @@ #include "util/header.h" #include "util/parse-options.h" #include "util/strlist.h" +#include "util/build-id.h" #include "util/symbol.h" static int build_id_cache__add_file(const char *filename, const char *debugdir) diff --git a/tools/perf/builtin-buildid-list.c b/tools/perf/builtin-buildid-list.c index a0e94fffa03e..a82d99fec83e 100644 --- a/tools/perf/builtin-buildid-list.c +++ b/tools/perf/builtin-buildid-list.c @@ -44,8 +44,7 @@ static int filename__fprintf_build_id(const char *name, FILE *fp) return fprintf(fp, "%s\n", sbuild_id); } -static int perf_session__list_build_ids(const char *input_name, - bool force, bool with_hits) +static int perf_session__list_build_ids(bool force, bool with_hits) { struct perf_session *session; @@ -81,7 +80,6 @@ int cmd_buildid_list(int argc, const char **argv, bool show_kernel = false; bool with_hits = false; bool force = false; - const char *input_name = NULL; const struct option options[] = { OPT_BOOLEAN('H', "with-hits", &with_hits, "Show only DSOs with hits"), OPT_STRING('i', "input", &input_name, "file", "input file name"), @@ -101,5 +99,5 @@ int cmd_buildid_list(int argc, const char **argv, if (show_kernel) return sysfs__fprintf_build_id(stdout); - return perf_session__list_build_ids(input_name, force, with_hits); + return perf_session__list_build_ids(force, with_hits); } diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c index 997afb82691b..c20f1dcfb7e2 100644 --- a/tools/perf/builtin-evlist.c +++ b/tools/perf/builtin-evlist.c @@ -48,12 +48,12 @@ static int __if_print(bool *first, const char *field, u64 value) #define if_print(field) __if_print(&first, #field, pos->attr.field) -static int __cmd_evlist(const char *input_name, struct perf_attr_details *details) +static int __cmd_evlist(const char *file_name, struct perf_attr_details *details) { struct perf_session *session; struct perf_evsel *pos; - session = perf_session__new(input_name, O_RDONLY, 0, false, NULL); + session = perf_session__new(file_name, O_RDONLY, 0, false, NULL); if (session == NULL) return -ENOMEM; @@ -111,7 +111,6 @@ static int __cmd_evlist(const char *input_name, struct perf_attr_details *detail int cmd_evlist(int argc, const char **argv, const char *prefix __maybe_unused) { struct perf_attr_details details = { .verbose = false, }; - const char *input_name = NULL; const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "Input file name"), OPT_BOOLEAN('F', "freq", &details.freq, "Show the sample frequency"), diff --git a/tools/perf/builtin-kmem.c b/tools/perf/builtin-kmem.c index 14bf82f63659..0b4b796167be 100644 --- a/tools/perf/builtin-kmem.c +++ b/tools/perf/builtin-kmem.c @@ -477,7 +477,7 @@ static void sort_result(void) __sort_result(&root_caller_stat, &root_caller_sorted, &caller_sort); } -static int __cmd_kmem(const char *input_name) +static int __cmd_kmem(void) { int err = -EINVAL; struct perf_session *session; @@ -743,7 +743,6 @@ static int __cmd_record(int argc, const char **argv) int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) { const char * const default_sort_order = "frag,hit,bytes"; - const char *input_name = NULL; const struct option kmem_options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_CALLBACK_NOOPT(0, "caller", NULL, NULL, @@ -779,7 +778,7 @@ int cmd_kmem(int argc, const char **argv, const char *prefix __maybe_unused) if (list_empty(&alloc_sort)) setup_sorting(&alloc_sort, default_sort_order); - return __cmd_kmem(input_name); + return __cmd_kmem(); } else usage_with_options(kmem_usage, kmem_options); diff --git a/tools/perf/builtin-lock.c b/tools/perf/builtin-lock.c index 6f5f328157aa..425830069749 100644 --- a/tools/perf/builtin-lock.c +++ b/tools/perf/builtin-lock.c @@ -335,8 +335,6 @@ alloc_failed: return NULL; } -static const char *input_name; - struct trace_lock_handler { int (*acquire_event)(struct perf_evsel *evsel, struct perf_sample *sample); diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c index 53c9892e96dd..5783c3225116 100644 --- a/tools/perf/builtin-record.c +++ b/tools/perf/builtin-record.c @@ -363,7 +363,8 @@ try_again: "or try again with a smaller value of -m/--mmap_pages.\n" "(current value: %d)\n", opts->mmap_pages); rc = -errno; - } else if (!is_power_of_2(opts->mmap_pages)) { + } else if (!is_power_of_2(opts->mmap_pages) && + (opts->mmap_pages != UINT_MAX)) { pr_err("--mmap_pages/-m value must be a power of two."); rc = -EINVAL; } else { diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c index 90d1162bb8b8..f07eae73e692 100644 --- a/tools/perf/builtin-report.c +++ b/tools/perf/builtin-report.c @@ -40,7 +40,6 @@ struct perf_report { struct perf_tool tool; struct perf_session *session; - char const *input_name; bool force, use_tui, use_gtk, use_stdio; bool hide_unresolved; bool dont_use_callchains; @@ -571,7 +570,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) .pretty_printing_style = "normal", }; const struct option options[] = { - OPT_STRING('i', "input", &report.input_name, "file", + OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), @@ -657,13 +656,13 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) if (report.inverted_callchain) callchain_param.order = ORDER_CALLER; - if (!report.input_name || !strlen(report.input_name)) { + if (!input_name || !strlen(input_name)) { if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) - report.input_name = "-"; + input_name = "-"; else - report.input_name = "perf.data"; + input_name = "perf.data"; } - session = perf_session__new(report.input_name, O_RDONLY, + session = perf_session__new(input_name, O_RDONLY, report.force, false, &report.tool); if (session == NULL) return -ENOMEM; @@ -694,7 +693,7 @@ int cmd_report(int argc, const char **argv, const char *prefix __maybe_unused) } - if (strcmp(report.input_name, "-") != 0) + if (strcmp(input_name, "-") != 0) setup_browser(true); else { use_browser = 0; diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 30e53360d3c2..cc28b85dabd5 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -120,7 +120,6 @@ struct trace_sched_handler { struct perf_sched { struct perf_tool tool; - const char *input_name; const char *sort_order; unsigned long nr_tasks; struct task_desc *pid_to_task[MAX_PID]; @@ -1460,7 +1459,7 @@ static int perf_sched__read_events(struct perf_sched *sched, bool destroy, }; struct perf_session *session; - session = perf_session__new(sched->input_name, O_RDONLY, 0, false, &sched->tool); + session = perf_session__new(input_name, O_RDONLY, 0, false, &sched->tool); if (session == NULL) { pr_debug("No Memory for session\n"); return -1; @@ -1708,7 +1707,7 @@ int cmd_sched(int argc, const char **argv, const char *prefix __maybe_unused) OPT_END() }; const struct option sched_options[] = { - OPT_STRING('i', "input", &sched.input_name, "file", + OPT_STRING('i', "input", &input_name, "file", "input file name"), OPT_INCR('v', "verbose", &verbose, "be more verbose (show symbol address, etc)"), diff --git a/tools/perf/builtin-script.c b/tools/perf/builtin-script.c index 04ceb0779d39..b363e7b292b2 100644 --- a/tools/perf/builtin-script.c +++ b/tools/perf/builtin-script.c @@ -1030,6 +1030,68 @@ static int list_available_scripts(const struct option *opt __maybe_unused, } /* + * Some scripts specify the required events in their "xxx-record" file, + * this function will check if the events in perf.data match those + * mentioned in the "xxx-record". + * + * Fixme: All existing "xxx-record" are all in good formats "-e event ", + * which is covered well now. And new parsing code should be added to + * cover the future complexing formats like event groups etc. + */ +static int check_ev_match(char *dir_name, char *scriptname, + struct perf_session *session) +{ + char filename[MAXPATHLEN], evname[128]; + char line[BUFSIZ], *p; + struct perf_evsel *pos; + int match, len; + FILE *fp; + + sprintf(filename, "%s/bin/%s-record", dir_name, scriptname); + + fp = fopen(filename, "r"); + if (!fp) + return -1; + + while (fgets(line, sizeof(line), fp)) { + p = ltrim(line); + if (*p == '#') + continue; + + while (strlen(p)) { + p = strstr(p, "-e"); + if (!p) + break; + + p += 2; + p = ltrim(p); + len = strcspn(p, " \t"); + if (!len) + break; + + snprintf(evname, len + 1, "%s", p); + + match = 0; + list_for_each_entry(pos, + &session->evlist->entries, node) { + if (!strcmp(perf_evsel__name(pos), evname)) { + match = 1; + break; + } + } + + if (!match) { + fclose(fp); + return -1; + } + } + } + + fclose(fp); + return 0; +} + +/* * Return -1 if none is found, otherwise the actual scripts number. * * Currently the only user of this function is the script browser, which @@ -1039,17 +1101,23 @@ static int list_available_scripts(const struct option *opt __maybe_unused, int find_scripts(char **scripts_array, char **scripts_path_array) { struct dirent *script_next, *lang_next, script_dirent, lang_dirent; - char scripts_path[MAXPATHLEN]; + char scripts_path[MAXPATHLEN], lang_path[MAXPATHLEN]; DIR *scripts_dir, *lang_dir; - char lang_path[MAXPATHLEN]; + struct perf_session *session; char *temp; int i = 0; + session = perf_session__new(input_name, O_RDONLY, 0, false, NULL); + if (!session) + return -1; + snprintf(scripts_path, MAXPATHLEN, "%s/scripts", perf_exec_path()); scripts_dir = opendir(scripts_path); - if (!scripts_dir) + if (!scripts_dir) { + perf_session__delete(session); return -1; + } for_each_lang(scripts_path, scripts_dir, lang_dirent, lang_next) { snprintf(lang_path, MAXPATHLEN, "%s/%s", scripts_path, @@ -1077,10 +1145,18 @@ int find_scripts(char **scripts_array, char **scripts_path_array) snprintf(scripts_array[i], (temp - script_dirent.d_name) + 1, "%s", script_dirent.d_name); + + if (check_ev_match(lang_path, + scripts_array[i], session)) + continue; + i++; } + closedir(lang_dir); } + closedir(scripts_dir); + perf_session__delete(session); return i; } @@ -1175,7 +1251,6 @@ static int have_cmd(int argc, const char **argv) int cmd_script(int argc, const char **argv, const char *prefix __maybe_unused) { bool show_full_info = false; - const char *input_name = NULL; char *rec_script_path = NULL; char *rep_script_path = NULL; struct perf_session *session; diff --git a/tools/perf/builtin-timechart.c b/tools/perf/builtin-timechart.c index f251b613b2f3..ab4cf232b852 100644 --- a/tools/perf/builtin-timechart.c +++ b/tools/perf/builtin-timechart.c @@ -965,7 +965,7 @@ static void write_svg_file(const char *filename) svg_close(); } -static int __cmd_timechart(const char *input_name, const char *output_name) +static int __cmd_timechart(const char *output_name) { struct perf_tool perf_timechart = { .comm = process_comm_event, @@ -1061,7 +1061,6 @@ parse_process(const struct option *opt __maybe_unused, const char *arg, int cmd_timechart(int argc, const char **argv, const char *prefix __maybe_unused) { - const char *input_name; const char *output_name = "output.svg"; const struct option options[] = { OPT_STRING('i', "input", &input_name, "file", "input file name"), @@ -1092,5 +1091,5 @@ int cmd_timechart(int argc, const char **argv, setup_pager(); - return __cmd_timechart(input_name, output_name); + return __cmd_timechart(output_name); } diff --git a/tools/perf/perf.c b/tools/perf/perf.c index d480d8a412b8..e9683738d89f 100644 --- a/tools/perf/perf.c +++ b/tools/perf/perf.c @@ -24,6 +24,7 @@ const char perf_more_info_string[] = int use_browser = -1; static int use_pager = -1; +const char *input_name; struct cmd_struct { const char *cmd; diff --git a/tools/perf/perf.h b/tools/perf/perf.h index c50985eaec41..469fbf2daea4 100644 --- a/tools/perf/perf.h +++ b/tools/perf/perf.h @@ -208,6 +208,7 @@ struct branch_stack { struct branch_entry entries[0]; }; +extern const char *input_name; extern bool perf_host, perf_guest; extern const char perf_version_string[]; diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c index 8f8cd2d73b3b..28f8aab73aee 100644 --- a/tools/perf/ui/browsers/annotate.c +++ b/tools/perf/ui/browsers/annotate.c @@ -676,8 +676,14 @@ static int annotate_browser__run(struct annotate_browser *browser, int evidx, "o Toggle disassembler output/simplified view\n" "s Toggle source code view\n" "/ Search string\n" + "r Run available scripts\n" "? Search previous string\n"); continue; + case 'r': + { + script_browse(NULL); + continue; + } case 'H': nd = browser->curr_hot; break; diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c index ef2f93ca7496..fe622845872e 100644 --- a/tools/perf/ui/browsers/hists.c +++ b/tools/perf/ui/browsers/hists.c @@ -1141,6 +1141,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, int nr_options = 0; int key = -1; char buf[64]; + char script_opt[64]; if (browser == NULL) return -1; @@ -1159,6 +1160,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, int choice = 0, annotate = -2, zoom_dso = -2, zoom_thread = -2, annotate_f = -2, annotate_t = -2, browse_map = -2; + int scripts_comm = -2, scripts_symbol = -2, scripts_all = -2; nr_options = 0; @@ -1211,6 +1213,8 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, hist_browser__reset(browser); } continue; + case 'r': + goto do_scripts; case K_F1: case 'h': case '?': @@ -1229,6 +1233,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, "E Expand all callchains\n" "d Zoom into current DSO\n" "t Zoom into current Thread\n" + "r Run available scripts\n" "P Print histograms to perf.hist.N\n" "V Verbose (DSO names in callchains, etc)\n" "/ Filter symbol by name"); @@ -1317,6 +1322,25 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events, browser->selection->map != NULL && asprintf(&options[nr_options], "Browse map details") > 0) browse_map = nr_options++; + + /* perf script support */ + if (browser->he_selection) { + struct symbol *sym; + + if (asprintf(&options[nr_options], "Run scripts for samples of thread [%s]", + browser->he_selection->thread->comm) > 0) + scripts_comm = nr_options++; + + sym = browser->he_selection->ms.sym; + if (sym && sym->namelen && + asprintf(&options[nr_options], "Run scripts for samples of symbol [%s]", + sym->name) > 0) + scripts_symbol = nr_options++; + } + + if (asprintf(&options[nr_options], "Run scripts for all samples") > 0) + scripts_all = nr_options++; + add_exit_option: options[nr_options++] = (char *)"Exit"; retry_popup_menu: @@ -1411,6 +1435,20 @@ zoom_out_thread: hists__filter_by_thread(hists); hist_browser__reset(browser); } + /* perf scripts support */ + else if (choice == scripts_all || choice == scripts_comm || + choice == scripts_symbol) { +do_scripts: + memset(script_opt, 0, 64); + + if (choice == scripts_comm) + sprintf(script_opt, " -c %s ", browser->he_selection->thread->comm); + + if (choice == scripts_symbol) + sprintf(script_opt, " -S %s ", browser->he_selection->ms.sym->name); + + script_browse(script_opt); + } } out_free_stack: pstack__delete(fstack); diff --git a/tools/perf/ui/browsers/scripts.c b/tools/perf/ui/browsers/scripts.c new file mode 100644 index 000000000000..cbbd44b0d93e --- /dev/null +++ b/tools/perf/ui/browsers/scripts.c @@ -0,0 +1,189 @@ +#include <elf.h> +#include <newt.h> +#include <inttypes.h> +#include <sys/ttydefaults.h> +#include <string.h> +#include "../../util/sort.h" +#include "../../util/util.h" +#include "../../util/hist.h" +#include "../../util/debug.h" +#include "../../util/symbol.h" +#include "../browser.h" +#include "../helpline.h" +#include "../libslang.h" + +/* 2048 lines should be enough for a script output */ +#define MAX_LINES 2048 + +/* 160 bytes for one output line */ +#define AVERAGE_LINE_LEN 160 + +struct script_line { + struct list_head node; + char line[AVERAGE_LINE_LEN]; +}; + +struct perf_script_browser { + struct ui_browser b; + struct list_head entries; + const char *script_name; + int nr_lines; +}; + +#define SCRIPT_NAMELEN 128 +#define SCRIPT_MAX_NO 64 +/* + * Usually the full path for a script is: + * /home/username/libexec/perf-core/scripts/python/xxx.py + * /home/username/libexec/perf-core/scripts/perl/xxx.pl + * So 256 should be long enough to contain the full path. + */ +#define SCRIPT_FULLPATH_LEN 256 + +/* + * When success, will copy the full path of the selected script + * into the buffer pointed by script_name, and return 0. + * Return -1 on failure. + */ +static int list_scripts(char *script_name) +{ + char *buf, *names[SCRIPT_MAX_NO], *paths[SCRIPT_MAX_NO]; + int i, num, choice, ret = -1; + + /* Preset the script name to SCRIPT_NAMELEN */ + buf = malloc(SCRIPT_MAX_NO * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN)); + if (!buf) + return ret; + + for (i = 0; i < SCRIPT_MAX_NO; i++) { + names[i] = buf + i * (SCRIPT_NAMELEN + SCRIPT_FULLPATH_LEN); + paths[i] = names[i] + SCRIPT_NAMELEN; + } + + num = find_scripts(names, paths); + if (num > 0) { + choice = ui__popup_menu(num, names); + if (choice < num && choice >= 0) { + strcpy(script_name, paths[choice]); + ret = 0; + } + } + + free(buf); + return ret; +} + +static void script_browser__write(struct ui_browser *browser, + void *entry, int row) +{ + struct script_line *sline = list_entry(entry, struct script_line, node); + bool current_entry = ui_browser__is_current_entry(browser, row); + + ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED : + HE_COLORSET_NORMAL); + + slsmg_write_nstring(sline->line, browser->width); +} + +static int script_browser__run(struct perf_script_browser *self) +{ + int key; + + if (ui_browser__show(&self->b, self->script_name, + "Press <- or ESC to exit") < 0) + return -1; + + while (1) { + key = ui_browser__run(&self->b, 0); + + /* We can add some special key handling here if needed */ + break; + } + + ui_browser__hide(&self->b); + return key; +} + + +int script_browse(const char *script_opt) +{ + char cmd[SCRIPT_FULLPATH_LEN*2], script_name[SCRIPT_FULLPATH_LEN]; + char *line = NULL; + size_t len = 0; + ssize_t retlen; + int ret = -1, nr_entries = 0; + FILE *fp; + void *buf; + struct script_line *sline; + + struct perf_script_browser script = { + .b = { + .refresh = ui_browser__list_head_refresh, + .seek = ui_browser__list_head_seek, + .write = script_browser__write, + }, + .script_name = script_name, + }; + + INIT_LIST_HEAD(&script.entries); + + /* Save each line of the output in one struct script_line object. */ + buf = zalloc((sizeof(*sline)) * MAX_LINES); + if (!buf) + return -1; + sline = buf; + + memset(script_name, 0, SCRIPT_FULLPATH_LEN); + if (list_scripts(script_name)) + goto exit; + + sprintf(cmd, "perf script -s %s ", script_name); + + if (script_opt) + strcat(cmd, script_opt); + + if (input_name) { + strcat(cmd, " -i "); + strcat(cmd, input_name); + } + + strcat(cmd, " 2>&1"); + + fp = popen(cmd, "r"); + if (!fp) + goto exit; + + while ((retlen = getline(&line, &len, fp)) != -1) { + strncpy(sline->line, line, AVERAGE_LINE_LEN); + + /* If one output line is very large, just cut it short */ + if (retlen >= AVERAGE_LINE_LEN) { + sline->line[AVERAGE_LINE_LEN - 1] = '\0'; + sline->line[AVERAGE_LINE_LEN - 2] = '\n'; + } + list_add_tail(&sline->node, &script.entries); + + if (script.b.width < retlen) + script.b.width = retlen; + + if (nr_entries++ >= MAX_LINES - 1) + break; + sline++; + } + + if (script.b.width > AVERAGE_LINE_LEN) + script.b.width = AVERAGE_LINE_LEN; + + if (line) + free(line); + pclose(fp); + + script.nr_lines = nr_entries; + script.b.nr_entries = nr_entries; + script.b.entries = &script.entries; + + ret = script_browser__run(&script); +exit: + free(buf); + return ret; +} diff --git a/tools/perf/util/annotate.c b/tools/perf/util/annotate.c index f0a910371377..7a34dd18b74c 100644 --- a/tools/perf/util/annotate.c +++ b/tools/perf/util/annotate.c @@ -15,6 +15,7 @@ #include "debug.h" #include "annotate.h" #include <pthread.h> +#include <linux/bitops.h> const char *disassembler_style; const char *objdump_path; diff --git a/tools/perf/util/build-id.c b/tools/perf/util/build-id.c index 94ca117b8d6e..5295625c0c00 100644 --- a/tools/perf/util/build-id.c +++ b/tools/perf/util/build-id.c @@ -70,6 +70,21 @@ struct perf_tool build_id__mark_dso_hit_ops = { .build_id = perf_event__process_build_id, }; +int build_id__sprintf(const u8 *build_id, int len, char *bf) +{ + char *bid = bf; + const u8 *raw = build_id; + int i; + + for (i = 0; i < len; ++i) { + sprintf(bid, "%02x", *raw); + ++raw; + bid += 2; + } + + return raw - build_id; +} + char *dso__build_id_filename(struct dso *self, char *bf, size_t size) { char build_id_hex[BUILD_ID_SIZE * 2 + 1]; diff --git a/tools/perf/util/build-id.h b/tools/perf/util/build-id.h index 45c500bd5b9f..a811f5c62e18 100644 --- a/tools/perf/util/build-id.h +++ b/tools/perf/util/build-id.h @@ -1,10 +1,15 @@ #ifndef PERF_BUILD_ID_H_ #define PERF_BUILD_ID_H_ 1 -#include "session.h" +#define BUILD_ID_SIZE 20 + +#include "tool.h" +#include "types.h" extern struct perf_tool build_id__mark_dso_hit_ops; +struct dso; +int build_id__sprintf(const u8 *build_id, int len, char *bf); char *dso__build_id_filename(struct dso *self, char *bf, size_t size); int build_id__mark_dso_hit(struct perf_tool *tool, union perf_event *event, diff --git a/tools/perf/util/dso.c b/tools/perf/util/dso.c new file mode 100644 index 000000000000..db24a3f0c820 --- /dev/null +++ b/tools/perf/util/dso.c @@ -0,0 +1,594 @@ +#include "symbol.h" +#include "dso.h" +#include "util.h" +#include "debug.h" + +char dso__symtab_origin(const struct dso *dso) +{ + static const char origin[] = { + [DSO_BINARY_TYPE__KALLSYMS] = 'k', + [DSO_BINARY_TYPE__VMLINUX] = 'v', + [DSO_BINARY_TYPE__JAVA_JIT] = 'j', + [DSO_BINARY_TYPE__DEBUGLINK] = 'l', + [DSO_BINARY_TYPE__BUILD_ID_CACHE] = 'B', + [DSO_BINARY_TYPE__FEDORA_DEBUGINFO] = 'f', + [DSO_BINARY_TYPE__UBUNTU_DEBUGINFO] = 'u', + [DSO_BINARY_TYPE__BUILDID_DEBUGINFO] = 'b', + [DSO_BINARY_TYPE__SYSTEM_PATH_DSO] = 'd', + [DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE] = 'K', + [DSO_BINARY_TYPE__GUEST_KALLSYMS] = 'g', + [DSO_BINARY_TYPE__GUEST_KMODULE] = 'G', + [DSO_BINARY_TYPE__GUEST_VMLINUX] = 'V', + }; + + if (dso == NULL || dso->symtab_type == DSO_BINARY_TYPE__NOT_FOUND) + return '!'; + return origin[dso->symtab_type]; +} + +int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, + char *root_dir, char *file, size_t size) +{ + char build_id_hex[BUILD_ID_SIZE * 2 + 1]; + int ret = 0; + + switch (type) { + case DSO_BINARY_TYPE__DEBUGLINK: { + char *debuglink; + + strncpy(file, dso->long_name, size); + debuglink = file + dso->long_name_len; + while (debuglink != file && *debuglink != '/') + debuglink--; + if (*debuglink == '/') + debuglink++; + filename__read_debuglink(dso->long_name, debuglink, + size - (debuglink - file)); + } + break; + case DSO_BINARY_TYPE__BUILD_ID_CACHE: + /* skip the locally configured cache if a symfs is given */ + if (symbol_conf.symfs[0] || + (dso__build_id_filename(dso, file, size) == NULL)) + ret = -1; + break; + + case DSO_BINARY_TYPE__FEDORA_DEBUGINFO: + snprintf(file, size, "%s/usr/lib/debug%s.debug", + symbol_conf.symfs, dso->long_name); + break; + + case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO: + snprintf(file, size, "%s/usr/lib/debug%s", + symbol_conf.symfs, dso->long_name); + break; + + case DSO_BINARY_TYPE__BUILDID_DEBUGINFO: + if (!dso->has_build_id) { + ret = -1; + break; + } + + build_id__sprintf(dso->build_id, + sizeof(dso->build_id), + build_id_hex); + snprintf(file, size, + "%s/usr/lib/debug/.build-id/%.2s/%s.debug", + symbol_conf.symfs, build_id_hex, build_id_hex + 2); + break; + + case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: + snprintf(file, size, "%s%s", + symbol_conf.symfs, dso->long_name); + break; + + case DSO_BINARY_TYPE__GUEST_KMODULE: + snprintf(file, size, "%s%s%s", symbol_conf.symfs, + root_dir, dso->long_name); + break; + + case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE: + snprintf(file, size, "%s%s", symbol_conf.symfs, + dso->long_name); + break; + + default: + case DSO_BINARY_TYPE__KALLSYMS: + case DSO_BINARY_TYPE__VMLINUX: + case DSO_BINARY_TYPE__GUEST_KALLSYMS: + case DSO_BINARY_TYPE__GUEST_VMLINUX: + case DSO_BINARY_TYPE__JAVA_JIT: + case DSO_BINARY_TYPE__NOT_FOUND: + ret = -1; + break; + } + + return ret; +} + +static int open_dso(struct dso *dso, struct machine *machine) +{ + char *root_dir = (char *) ""; + char *name; + int fd; + + name = malloc(PATH_MAX); + if (!name) + return -ENOMEM; + + if (machine) + root_dir = machine->root_dir; + + if (dso__binary_type_file(dso, dso->data_type, + root_dir, name, PATH_MAX)) { + free(name); + return -EINVAL; + } + + fd = open(name, O_RDONLY); + free(name); + return fd; +} + +int dso__data_fd(struct dso *dso, struct machine *machine) +{ + static enum dso_binary_type binary_type_data[] = { + DSO_BINARY_TYPE__BUILD_ID_CACHE, + DSO_BINARY_TYPE__SYSTEM_PATH_DSO, + DSO_BINARY_TYPE__NOT_FOUND, + }; + int i = 0; + + if (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND) + return open_dso(dso, machine); + + do { + int fd; + + dso->data_type = binary_type_data[i++]; + + fd = open_dso(dso, machine); + if (fd >= 0) + return fd; + + } while (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND); + + return -EINVAL; +} + +static void +dso_cache__free(struct rb_root *root) +{ + struct rb_node *next = rb_first(root); + + while (next) { + struct dso_cache *cache; + + cache = rb_entry(next, struct dso_cache, rb_node); + next = rb_next(&cache->rb_node); + rb_erase(&cache->rb_node, root); + free(cache); + } +} + +static struct dso_cache* +dso_cache__find(struct rb_root *root, u64 offset) +{ + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + struct dso_cache *cache; + + while (*p != NULL) { + u64 end; + + parent = *p; + cache = rb_entry(parent, struct dso_cache, rb_node); + end = cache->offset + DSO__DATA_CACHE_SIZE; + + if (offset < cache->offset) + p = &(*p)->rb_left; + else if (offset >= end) + p = &(*p)->rb_right; + else + return cache; + } + return NULL; +} + +static void +dso_cache__insert(struct rb_root *root, struct dso_cache *new) +{ + struct rb_node **p = &root->rb_node; + struct rb_node *parent = NULL; + struct dso_cache *cache; + u64 offset = new->offset; + + while (*p != NULL) { + u64 end; + + parent = *p; + cache = rb_entry(parent, struct dso_cache, rb_node); + end = cache->offset + DSO__DATA_CACHE_SIZE; + + if (offset < cache->offset) + p = &(*p)->rb_left; + else if (offset >= end) + p = &(*p)->rb_right; + } + + rb_link_node(&new->rb_node, parent, p); + rb_insert_color(&new->rb_node, root); +} + +static ssize_t +dso_cache__memcpy(struct dso_cache *cache, u64 offset, + u8 *data, u64 size) +{ + u64 cache_offset = offset - cache->offset; + u64 cache_size = min(cache->size - cache_offset, size); + + memcpy(data, cache->data + cache_offset, cache_size); + return cache_size; +} + +static ssize_t +dso_cache__read(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size) +{ + struct dso_cache *cache; + ssize_t ret; + int fd; + + fd = dso__data_fd(dso, machine); + if (fd < 0) + return -1; + + do { + u64 cache_offset; + + ret = -ENOMEM; + + cache = zalloc(sizeof(*cache) + DSO__DATA_CACHE_SIZE); + if (!cache) + break; + + cache_offset = offset & DSO__DATA_CACHE_MASK; + ret = -EINVAL; + + if (-1 == lseek(fd, cache_offset, SEEK_SET)) + break; + + ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE); + if (ret <= 0) + break; + + cache->offset = cache_offset; + cache->size = ret; + dso_cache__insert(&dso->cache, cache); + + ret = dso_cache__memcpy(cache, offset, data, size); + + } while (0); + + if (ret <= 0) + free(cache); + + close(fd); + return ret; +} + +static ssize_t dso_cache_read(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size) +{ + struct dso_cache *cache; + + cache = dso_cache__find(&dso->cache, offset); + if (cache) + return dso_cache__memcpy(cache, offset, data, size); + else + return dso_cache__read(dso, machine, offset, data, size); +} + +ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size) +{ + ssize_t r = 0; + u8 *p = data; + + do { + ssize_t ret; + + ret = dso_cache_read(dso, machine, offset, p, size); + if (ret < 0) + return ret; + + /* Reached EOF, return what we have. */ + if (!ret) + break; + + BUG_ON(ret > size); + + r += ret; + p += ret; + offset += ret; + size -= ret; + + } while (size); + + return r; +} + +ssize_t dso__data_read_addr(struct dso *dso, struct map *map, + struct machine *machine, u64 addr, + u8 *data, ssize_t size) +{ + u64 offset = map->map_ip(map, addr); + return dso__data_read_offset(dso, machine, offset, data, size); +} + +struct map *dso__new_map(const char *name) +{ + struct map *map = NULL; + struct dso *dso = dso__new(name); + + if (dso) + map = map__new2(0, dso, MAP__FUNCTION); + + return map; +} + +struct dso *dso__kernel_findnew(struct machine *machine, const char *name, + const char *short_name, int dso_type) +{ + /* + * The kernel dso could be created by build_id processing. + */ + struct dso *dso = __dsos__findnew(&machine->kernel_dsos, name); + + /* + * We need to run this in all cases, since during the build_id + * processing we had no idea this was the kernel dso. + */ + if (dso != NULL) { + dso__set_short_name(dso, short_name); + dso->kernel = dso_type; + } + + return dso; +} + +void dso__set_long_name(struct dso *dso, char *name) +{ + if (name == NULL) + return; + dso->long_name = name; + dso->long_name_len = strlen(name); +} + +void dso__set_short_name(struct dso *dso, const char *name) +{ + if (name == NULL) + return; + dso->short_name = name; + dso->short_name_len = strlen(name); +} + +static void dso__set_basename(struct dso *dso) +{ + dso__set_short_name(dso, basename(dso->long_name)); +} + +int dso__name_len(const struct dso *dso) +{ + if (!dso) + return strlen("[unknown]"); + if (verbose) + return dso->long_name_len; + + return dso->short_name_len; +} + +bool dso__loaded(const struct dso *dso, enum map_type type) +{ + return dso->loaded & (1 << type); +} + +bool dso__sorted_by_name(const struct dso *dso, enum map_type type) +{ + return dso->sorted_by_name & (1 << type); +} + +void dso__set_sorted_by_name(struct dso *dso, enum map_type type) +{ + dso->sorted_by_name |= (1 << type); +} + +struct dso *dso__new(const char *name) +{ + struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1); + + if (dso != NULL) { + int i; + strcpy(dso->name, name); + dso__set_long_name(dso, dso->name); + dso__set_short_name(dso, dso->name); + for (i = 0; i < MAP__NR_TYPES; ++i) + dso->symbols[i] = dso->symbol_names[i] = RB_ROOT; + dso->cache = RB_ROOT; + dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND; + dso->data_type = DSO_BINARY_TYPE__NOT_FOUND; + dso->loaded = 0; + dso->sorted_by_name = 0; + dso->has_build_id = 0; + dso->kernel = DSO_TYPE_USER; + dso->needs_swap = DSO_SWAP__UNSET; + INIT_LIST_HEAD(&dso->node); + } + + return dso; +} + +void dso__delete(struct dso *dso) +{ + int i; + for (i = 0; i < MAP__NR_TYPES; ++i) + symbols__delete(&dso->symbols[i]); + if (dso->sname_alloc) + free((char *)dso->short_name); + if (dso->lname_alloc) + free(dso->long_name); + dso_cache__free(&dso->cache); + free(dso); +} + +void dso__set_build_id(struct dso *dso, void *build_id) +{ + memcpy(dso->build_id, build_id, sizeof(dso->build_id)); + dso->has_build_id = 1; +} + +bool dso__build_id_equal(const struct dso *dso, u8 *build_id) +{ + return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0; +} + +void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine) +{ + char path[PATH_MAX]; + + if (machine__is_default_guest(machine)) + return; + sprintf(path, "%s/sys/kernel/notes", machine->root_dir); + if (sysfs__read_build_id(path, dso->build_id, + sizeof(dso->build_id)) == 0) + dso->has_build_id = true; +} + +int dso__kernel_module_get_build_id(struct dso *dso, + const char *root_dir) +{ + char filename[PATH_MAX]; + /* + * kernel module short names are of the form "[module]" and + * we need just "module" here. + */ + const char *name = dso->short_name + 1; + + snprintf(filename, sizeof(filename), + "%s/sys/module/%.*s/notes/.note.gnu.build-id", + root_dir, (int)strlen(name) - 1, name); + + if (sysfs__read_build_id(filename, dso->build_id, + sizeof(dso->build_id)) == 0) + dso->has_build_id = true; + + return 0; +} + +bool __dsos__read_build_ids(struct list_head *head, bool with_hits) +{ + bool have_build_id = false; + struct dso *pos; + + list_for_each_entry(pos, head, node) { + if (with_hits && !pos->hit) + continue; + if (pos->has_build_id) { + have_build_id = true; + continue; + } + if (filename__read_build_id(pos->long_name, pos->build_id, + sizeof(pos->build_id)) > 0) { + have_build_id = true; + pos->has_build_id = true; + } + } + + return have_build_id; +} + +void dsos__add(struct list_head *head, struct dso *dso) +{ + list_add_tail(&dso->node, head); +} + +struct dso *dsos__find(struct list_head *head, const char *name) +{ + struct dso *pos; + + list_for_each_entry(pos, head, node) + if (strcmp(pos->long_name, name) == 0) + return pos; + return NULL; +} + +struct dso *__dsos__findnew(struct list_head *head, const char *name) +{ + struct dso *dso = dsos__find(head, name); + + if (!dso) { + dso = dso__new(name); + if (dso != NULL) { + dsos__add(head, dso); + dso__set_basename(dso); + } + } + + return dso; +} + +size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, + bool with_hits) +{ + struct dso *pos; + size_t ret = 0; + + list_for_each_entry(pos, head, node) { + if (with_hits && !pos->hit) + continue; + ret += dso__fprintf_buildid(pos, fp); + ret += fprintf(fp, " %s\n", pos->long_name); + } + return ret; +} + +size_t __dsos__fprintf(struct list_head *head, FILE *fp) +{ + struct dso *pos; + size_t ret = 0; + + list_for_each_entry(pos, head, node) { + int i; + for (i = 0; i < MAP__NR_TYPES; ++i) + ret += dso__fprintf(pos, i, fp); + } + + return ret; +} + +size_t dso__fprintf_buildid(struct dso *dso, FILE *fp) +{ + char sbuild_id[BUILD_ID_SIZE * 2 + 1]; + + build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); + return fprintf(fp, "%s", sbuild_id); +} + +size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp) +{ + struct rb_node *nd; + size_t ret = fprintf(fp, "dso: %s (", dso->short_name); + + if (dso->short_name != dso->long_name) + ret += fprintf(fp, "%s, ", dso->long_name); + ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type], + dso->loaded ? "" : "NOT "); + ret += dso__fprintf_buildid(dso, fp); + ret += fprintf(fp, ")\n"); + for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) { + struct symbol *pos = rb_entry(nd, struct symbol, rb_node); + ret += symbol__fprintf(pos, fp); + } + + return ret; +} diff --git a/tools/perf/util/dso.h b/tools/perf/util/dso.h new file mode 100644 index 000000000000..e03276940b99 --- /dev/null +++ b/tools/perf/util/dso.h @@ -0,0 +1,148 @@ +#ifndef __PERF_DSO +#define __PERF_DSO + +#include <linux/types.h> +#include <linux/rbtree.h> +#include "types.h" +#include "map.h" + +enum dso_binary_type { + DSO_BINARY_TYPE__KALLSYMS = 0, + DSO_BINARY_TYPE__GUEST_KALLSYMS, + DSO_BINARY_TYPE__VMLINUX, + DSO_BINARY_TYPE__GUEST_VMLINUX, + DSO_BINARY_TYPE__JAVA_JIT, + DSO_BINARY_TYPE__DEBUGLINK, + DSO_BINARY_TYPE__BUILD_ID_CACHE, + DSO_BINARY_TYPE__FEDORA_DEBUGINFO, + DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, + DSO_BINARY_TYPE__BUILDID_DEBUGINFO, + DSO_BINARY_TYPE__SYSTEM_PATH_DSO, + DSO_BINARY_TYPE__GUEST_KMODULE, + DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, + DSO_BINARY_TYPE__NOT_FOUND, +}; + +enum dso_kernel_type { + DSO_TYPE_USER = 0, + DSO_TYPE_KERNEL, + DSO_TYPE_GUEST_KERNEL +}; + +enum dso_swap_type { + DSO_SWAP__UNSET, + DSO_SWAP__NO, + DSO_SWAP__YES, +}; + +#define DSO__SWAP(dso, type, val) \ +({ \ + type ____r = val; \ + BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \ + if (dso->needs_swap == DSO_SWAP__YES) { \ + switch (sizeof(____r)) { \ + case 2: \ + ____r = bswap_16(val); \ + break; \ + case 4: \ + ____r = bswap_32(val); \ + break; \ + case 8: \ + ____r = bswap_64(val); \ + break; \ + default: \ + BUG_ON(1); \ + } \ + } \ + ____r; \ +}) + +#define DSO__DATA_CACHE_SIZE 4096 +#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1) + +struct dso_cache { + struct rb_node rb_node; + u64 offset; + u64 size; + char data[0]; +}; + +struct dso { + struct list_head node; + struct rb_root symbols[MAP__NR_TYPES]; + struct rb_root symbol_names[MAP__NR_TYPES]; + struct rb_root cache; + enum dso_kernel_type kernel; + enum dso_swap_type needs_swap; + enum dso_binary_type symtab_type; + enum dso_binary_type data_type; + u8 adjust_symbols:1; + u8 has_build_id:1; + u8 hit:1; + u8 annotate_warned:1; + u8 sname_alloc:1; + u8 lname_alloc:1; + u8 sorted_by_name; + u8 loaded; + u8 build_id[BUILD_ID_SIZE]; + const char *short_name; + char *long_name; + u16 long_name_len; + u16 short_name_len; + char name[0]; +}; + +static inline void dso__set_loaded(struct dso *dso, enum map_type type) +{ + dso->loaded |= (1 << type); +} + +struct dso *dso__new(const char *name); +void dso__delete(struct dso *dso); + +void dso__set_short_name(struct dso *dso, const char *name); +void dso__set_long_name(struct dso *dso, char *name); + +int dso__name_len(const struct dso *dso); + +bool dso__loaded(const struct dso *dso, enum map_type type); + +bool dso__sorted_by_name(const struct dso *dso, enum map_type type); +void dso__set_sorted_by_name(struct dso *dso, enum map_type type); +void dso__sort_by_name(struct dso *dso, enum map_type type); + +void dso__set_build_id(struct dso *dso, void *build_id); +bool dso__build_id_equal(const struct dso *dso, u8 *build_id); +void dso__read_running_kernel_build_id(struct dso *dso, + struct machine *machine); +int dso__kernel_module_get_build_id(struct dso *dso, const char *root_dir); + +char dso__symtab_origin(const struct dso *dso); +int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, + char *root_dir, char *file, size_t size); + +int dso__data_fd(struct dso *dso, struct machine *machine); +ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, + u64 offset, u8 *data, ssize_t size); +ssize_t dso__data_read_addr(struct dso *dso, struct map *map, + struct machine *machine, u64 addr, + u8 *data, ssize_t size); + +struct map *dso__new_map(const char *name); +struct dso *dso__kernel_findnew(struct machine *machine, const char *name, + const char *short_name, int dso_type); + +void dsos__add(struct list_head *head, struct dso *dso); +struct dso *dsos__find(struct list_head *head, const char *name); +struct dso *__dsos__findnew(struct list_head *head, const char *name); +bool __dsos__read_build_ids(struct list_head *head, bool with_hits); + +size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, + bool with_hits); +size_t __dsos__fprintf(struct list_head *head, FILE *fp); + +size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); +size_t dso__fprintf_symbols_by_name(struct dso *dso, + enum map_type type, FILE *fp); +size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); +#endif /* __PERF_DSO */ diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index da97aff5bd75..0d573ff4771a 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -6,6 +6,7 @@ #include "../perf.h" #include "map.h" +#include "build-id.h" /* * PERF_SAMPLE_IP | PERF_SAMPLE_TID | * @@ -96,8 +97,6 @@ struct perf_sample { struct stack_dump user_stack; }; -#define BUILD_ID_SIZE 20 - struct build_id_event { struct perf_event_header header; pid_t pid; diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c index 7daad237dea5..195a47a8f052 100644 --- a/tools/perf/util/header.c +++ b/tools/perf/util/header.c @@ -23,6 +23,7 @@ #include "pmu.h" #include "vdso.h" #include "strbuf.h" +#include "build-id.h" static bool no_buildid_cache = false; @@ -2340,6 +2341,16 @@ static int try_all_pipe_abis(uint64_t hdr_sz, struct perf_header *ph) return -1; } +bool is_perf_magic(u64 magic) +{ + if (!memcmp(&magic, __perf_magic1, sizeof(magic)) + || magic == __perf_magic2 + || magic == __perf_magic2_sw) + return true; + + return false; +} + static int check_magic_endian(u64 magic, uint64_t hdr_sz, bool is_pipe, struct perf_header *ph) { diff --git a/tools/perf/util/header.h b/tools/perf/util/header.h index 879d215cdac9..5f1cd6884f37 100644 --- a/tools/perf/util/header.h +++ b/tools/perf/util/header.h @@ -154,6 +154,7 @@ int perf_event__synthesize_build_id(struct perf_tool *tool, int perf_event__process_build_id(struct perf_tool *tool, union perf_event *event, struct perf_session *session); +bool is_perf_magic(u64 magic); /* * arch specific callback diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index c751624d4153..b87460971736 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -165,6 +165,7 @@ int hist_entry__tui_annotate(struct hist_entry *he, int evidx, int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help, void(*timer)(void *arg), void *arg, int refresh); +int script_browse(const char *script_opt); #else static inline int perf_evlist__tui_browse_hists(struct perf_evlist *evlist __maybe_unused, @@ -186,6 +187,12 @@ static inline int hist_entry__tui_annotate(struct hist_entry *self { return 0; } + +static inline int script_browse(const char *script_opt) +{ + return 0; +} + #define K_LEFT -1 #define K_RIGHT -2 #endif diff --git a/tools/perf/util/map.c b/tools/perf/util/map.c index 6109fa4d14cd..9b40c444039c 100644 --- a/tools/perf/util/map.c +++ b/tools/perf/util/map.c @@ -10,6 +10,7 @@ #include "thread.h" #include "strlist.h" #include "vdso.h" +#include "build-id.h" const char *map_type__name[MAP__NR_TYPES] = { [MAP__FUNCTION] = "Functions", diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 3a3efcf3e4e9..c0b785b50849 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -827,8 +827,6 @@ int parse_events(struct perf_evlist *evlist, const char *str, * Both call perf_evlist__delete in case of error, so we dont * need to bother. */ - fprintf(stderr, "invalid or unsupported event: '%s'\n", str); - fprintf(stderr, "Run 'perf list' for a list of valid events\n"); return ret; } @@ -836,7 +834,13 @@ int parse_events_option(const struct option *opt, const char *str, int unset __maybe_unused) { struct perf_evlist *evlist = *(struct perf_evlist **)opt->value; - return parse_events(evlist, str, unset); + int ret = parse_events(evlist, str, unset); + + if (ret) { + fprintf(stderr, "invalid or unsupported event: '%s'\n", str); + fprintf(stderr, "Run 'perf list' for a list of valid events\n"); + } + return ret; } int parse_filter(const struct option *opt, const char *str, diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c index 9181bf212fb9..a2657fd96837 100644 --- a/tools/perf/util/python.c +++ b/tools/perf/util/python.c @@ -1015,6 +1015,8 @@ PyMODINIT_FUNC initperf(void) pyrf_cpu_map__setup_types() < 0) return; + page_size = sysconf(_SC_PAGE_SIZE); + Py_INCREF(&pyrf_evlist__type); PyModule_AddObject(module, "evlist", (PyObject*)&pyrf_evlist__type); diff --git a/tools/perf/util/string.c b/tools/perf/util/string.c index 32170590892d..346707df04b9 100644 --- a/tools/perf/util/string.c +++ b/tools/perf/util/string.c @@ -314,6 +314,24 @@ int strtailcmp(const char *s1, const char *s2) } /** + * strxfrchar - Locate and replace character in @s + * @s: The string to be searched/changed. + * @from: Source character to be replaced. + * @to: Destination character. + * + * Return pointer to the changed string. + */ +char *strxfrchar(char *s, char from, char to) +{ + char *p = s; + + while ((p = strchr(p, from)) != NULL) + *p++ = to; + + return s; +} + +/** * rtrim - Removes trailing whitespace from @s. * @s: The string to be stripped. * diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c index e2e8c697cffe..624c65e6ab98 100644 --- a/tools/perf/util/symbol.c +++ b/tools/perf/util/symbol.c @@ -23,7 +23,6 @@ #define KSYM_NAME_LEN 256 #endif -static void dso_cache__free(struct rb_root *root); static int dso__load_kernel_sym(struct dso *dso, struct map *map, symbol_filter_t filter); static int dso__load_guest_kernel_sym(struct dso *dso, struct map *map, @@ -56,39 +55,6 @@ static enum dso_binary_type binary_type_symtab[] = { #define DSO_BINARY_TYPE__SYMTAB_CNT ARRAY_SIZE(binary_type_symtab) -static enum dso_binary_type binary_type_data[] = { - DSO_BINARY_TYPE__BUILD_ID_CACHE, - DSO_BINARY_TYPE__SYSTEM_PATH_DSO, - DSO_BINARY_TYPE__NOT_FOUND, -}; - -#define DSO_BINARY_TYPE__DATA_CNT ARRAY_SIZE(binary_type_data) - -int dso__name_len(const struct dso *dso) -{ - if (!dso) - return strlen("[unknown]"); - if (verbose) - return dso->long_name_len; - - return dso->short_name_len; -} - -bool dso__loaded(const struct dso *dso, enum map_type type) -{ - return dso->loaded & (1 << type); -} - -bool dso__sorted_by_name(const struct dso *dso, enum map_type type) -{ - return dso->sorted_by_name & (1 << type); -} - -static void dso__set_sorted_by_name(struct dso *dso, enum map_type type) -{ - dso->sorted_by_name |= (1 << type); -} - bool symbol_type__is_a(char symbol_type, enum map_type map_type) { symbol_type = toupper(symbol_type); @@ -270,7 +236,7 @@ void symbol__delete(struct symbol *sym) free(((void *)sym) - symbol_conf.priv_size); } -static size_t symbol__fprintf(struct symbol *sym, FILE *fp) +size_t symbol__fprintf(struct symbol *sym, FILE *fp) { return fprintf(fp, " %" PRIx64 "-%" PRIx64 " %c %s\n", sym->start, sym->end, @@ -301,53 +267,7 @@ 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) - return; - dso->long_name = name; - dso->long_name_len = strlen(name); -} - -static void dso__set_short_name(struct dso *dso, const char *name) -{ - if (name == NULL) - return; - dso->short_name = name; - dso->short_name_len = strlen(name); -} - -static void dso__set_basename(struct dso *dso) -{ - dso__set_short_name(dso, basename(dso->long_name)); -} - -struct dso *dso__new(const char *name) -{ - struct dso *dso = calloc(1, sizeof(*dso) + strlen(name) + 1); - - if (dso != NULL) { - int i; - strcpy(dso->name, name); - dso__set_long_name(dso, dso->name); - dso__set_short_name(dso, dso->name); - for (i = 0; i < MAP__NR_TYPES; ++i) - dso->symbols[i] = dso->symbol_names[i] = RB_ROOT; - dso->cache = RB_ROOT; - dso->symtab_type = DSO_BINARY_TYPE__NOT_FOUND; - dso->data_type = DSO_BINARY_TYPE__NOT_FOUND; - dso->loaded = 0; - dso->sorted_by_name = 0; - dso->has_build_id = 0; - dso->kernel = DSO_TYPE_USER; - dso->needs_swap = DSO_SWAP__UNSET; - INIT_LIST_HEAD(&dso->node); - } - - return dso; -} - -static void symbols__delete(struct rb_root *symbols) +void symbols__delete(struct rb_root *symbols) { struct symbol *pos; struct rb_node *next = rb_first(symbols); @@ -360,25 +280,6 @@ static void symbols__delete(struct rb_root *symbols) } } -void dso__delete(struct dso *dso) -{ - int i; - for (i = 0; i < MAP__NR_TYPES; ++i) - symbols__delete(&dso->symbols[i]); - if (dso->sname_alloc) - free((char *)dso->short_name); - if (dso->lname_alloc) - free(dso->long_name); - dso_cache__free(&dso->cache); - free(dso); -} - -void dso__set_build_id(struct dso *dso, void *build_id) -{ - memcpy(dso->build_id, build_id, sizeof(dso->build_id)); - dso->has_build_id = 1; -} - void symbols__insert(struct rb_root *symbols, struct symbol *sym) { struct rb_node **p = &symbols->rb_node; @@ -504,29 +405,6 @@ void dso__sort_by_name(struct dso *dso, enum map_type type) &dso->symbols[type]); } -int build_id__sprintf(const u8 *build_id, int len, char *bf) -{ - char *bid = bf; - const u8 *raw = build_id; - int i; - - for (i = 0; i < len; ++i) { - sprintf(bid, "%02x", *raw); - ++raw; - bid += 2; - } - - return raw - build_id; -} - -size_t dso__fprintf_buildid(struct dso *dso, FILE *fp) -{ - char sbuild_id[BUILD_ID_SIZE * 2 + 1]; - - build_id__sprintf(dso->build_id, sizeof(dso->build_id), sbuild_id); - return fprintf(fp, "%s", sbuild_id); -} - size_t dso__fprintf_symbols_by_name(struct dso *dso, enum map_type type, FILE *fp) { @@ -542,25 +420,6 @@ size_t dso__fprintf_symbols_by_name(struct dso *dso, return ret; } -size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp) -{ - struct rb_node *nd; - size_t ret = fprintf(fp, "dso: %s (", dso->short_name); - - if (dso->short_name != dso->long_name) - ret += fprintf(fp, "%s, ", dso->long_name); - ret += fprintf(fp, "%s, %sloaded, ", map_type__name[type], - dso->loaded ? "" : "NOT "); - ret += dso__fprintf_buildid(dso, fp); - ret += fprintf(fp, ")\n"); - for (nd = rb_first(&dso->symbols[type]); nd; nd = rb_next(nd)) { - struct symbol *pos = rb_entry(nd, struct symbol, rb_node); - ret += symbol__fprintf(pos, fp); - } - - return ret; -} - int kallsyms__parse(const char *filename, void *arg, int (*process_symbol)(void *arg, const char *name, char type, u64 start)) @@ -892,136 +751,6 @@ out_failure: return -1; } -bool dso__build_id_equal(const struct dso *dso, u8 *build_id) -{ - return memcmp(dso->build_id, build_id, sizeof(dso->build_id)) == 0; -} - -bool __dsos__read_build_ids(struct list_head *head, bool with_hits) -{ - bool have_build_id = false; - struct dso *pos; - - list_for_each_entry(pos, head, node) { - if (with_hits && !pos->hit) - continue; - if (pos->has_build_id) { - have_build_id = true; - continue; - } - if (filename__read_build_id(pos->long_name, pos->build_id, - sizeof(pos->build_id)) > 0) { - have_build_id = true; - pos->has_build_id = true; - } - } - - return have_build_id; -} - -char dso__symtab_origin(const struct dso *dso) -{ - static const char origin[] = { - [DSO_BINARY_TYPE__KALLSYMS] = 'k', - [DSO_BINARY_TYPE__VMLINUX] = 'v', - [DSO_BINARY_TYPE__JAVA_JIT] = 'j', - [DSO_BINARY_TYPE__DEBUGLINK] = 'l', - [DSO_BINARY_TYPE__BUILD_ID_CACHE] = 'B', - [DSO_BINARY_TYPE__FEDORA_DEBUGINFO] = 'f', - [DSO_BINARY_TYPE__UBUNTU_DEBUGINFO] = 'u', - [DSO_BINARY_TYPE__BUILDID_DEBUGINFO] = 'b', - [DSO_BINARY_TYPE__SYSTEM_PATH_DSO] = 'd', - [DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE] = 'K', - [DSO_BINARY_TYPE__GUEST_KALLSYMS] = 'g', - [DSO_BINARY_TYPE__GUEST_KMODULE] = 'G', - [DSO_BINARY_TYPE__GUEST_VMLINUX] = 'V', - }; - - if (dso == NULL || dso->symtab_type == DSO_BINARY_TYPE__NOT_FOUND) - return '!'; - return origin[dso->symtab_type]; -} - -int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, - char *root_dir, char *file, size_t size) -{ - char build_id_hex[BUILD_ID_SIZE * 2 + 1]; - int ret = 0; - - switch (type) { - case DSO_BINARY_TYPE__DEBUGLINK: { - char *debuglink; - - strncpy(file, dso->long_name, size); - debuglink = file + dso->long_name_len; - while (debuglink != file && *debuglink != '/') - debuglink--; - if (*debuglink == '/') - debuglink++; - filename__read_debuglink(dso->long_name, debuglink, - size - (debuglink - file)); - } - break; - case DSO_BINARY_TYPE__BUILD_ID_CACHE: - /* skip the locally configured cache if a symfs is given */ - if (symbol_conf.symfs[0] || - (dso__build_id_filename(dso, file, size) == NULL)) - ret = -1; - break; - - case DSO_BINARY_TYPE__FEDORA_DEBUGINFO: - snprintf(file, size, "%s/usr/lib/debug%s.debug", - symbol_conf.symfs, dso->long_name); - break; - - case DSO_BINARY_TYPE__UBUNTU_DEBUGINFO: - snprintf(file, size, "%s/usr/lib/debug%s", - symbol_conf.symfs, dso->long_name); - break; - - case DSO_BINARY_TYPE__BUILDID_DEBUGINFO: - if (!dso->has_build_id) { - ret = -1; - break; - } - - build_id__sprintf(dso->build_id, - sizeof(dso->build_id), - build_id_hex); - snprintf(file, size, - "%s/usr/lib/debug/.build-id/%.2s/%s.debug", - symbol_conf.symfs, build_id_hex, build_id_hex + 2); - break; - - case DSO_BINARY_TYPE__SYSTEM_PATH_DSO: - snprintf(file, size, "%s%s", - symbol_conf.symfs, dso->long_name); - break; - - case DSO_BINARY_TYPE__GUEST_KMODULE: - snprintf(file, size, "%s%s%s", symbol_conf.symfs, - root_dir, dso->long_name); - break; - - case DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE: - snprintf(file, size, "%s%s", symbol_conf.symfs, - dso->long_name); - break; - - default: - case DSO_BINARY_TYPE__KALLSYMS: - case DSO_BINARY_TYPE__VMLINUX: - case DSO_BINARY_TYPE__GUEST_KALLSYMS: - case DSO_BINARY_TYPE__GUEST_VMLINUX: - case DSO_BINARY_TYPE__JAVA_JIT: - case DSO_BINARY_TYPE__NOT_FOUND: - ret = -1; - break; - } - - return ret; -} - int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter) { char *name; @@ -1157,27 +886,6 @@ struct map *map_groups__find_by_name(struct map_groups *mg, return NULL; } -static int dso__kernel_module_get_build_id(struct dso *dso, - const char *root_dir) -{ - char filename[PATH_MAX]; - /* - * kernel module short names are of the form "[module]" and - * we need just "module" here. - */ - const char *name = dso->short_name + 1; - - snprintf(filename, sizeof(filename), - "%s/sys/module/%.*s/notes/.note.gnu.build-id", - root_dir, (int)strlen(name) - 1, name); - - if (sysfs__read_build_id(filename, dso->build_id, - sizeof(dso->build_id)) == 0) - dso->has_build_id = true; - - return 0; -} - static int map_groups__set_modules_path_dir(struct map_groups *mg, const char *dir_name) { @@ -1591,50 +1299,6 @@ out_try_fixup: return err; } -void dsos__add(struct list_head *head, struct dso *dso) -{ - list_add_tail(&dso->node, head); -} - -struct dso *dsos__find(struct list_head *head, const char *name) -{ - struct dso *pos; - - list_for_each_entry(pos, head, node) - if (strcmp(pos->long_name, name) == 0) - return pos; - return NULL; -} - -struct dso *__dsos__findnew(struct list_head *head, const char *name) -{ - struct dso *dso = dsos__find(head, name); - - if (!dso) { - dso = dso__new(name); - if (dso != NULL) { - dsos__add(head, dso); - dso__set_basename(dso); - } - } - - return dso; -} - -size_t __dsos__fprintf(struct list_head *head, FILE *fp) -{ - struct dso *pos; - size_t ret = 0; - - list_for_each_entry(pos, head, node) { - int i; - for (i = 0; i < MAP__NR_TYPES; ++i) - ret += dso__fprintf(pos, i, fp); - } - - return ret; -} - size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp) { struct rb_node *nd; @@ -1649,21 +1313,6 @@ size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp) return ret; } -static size_t __dsos__fprintf_buildid(struct list_head *head, FILE *fp, - bool with_hits) -{ - struct dso *pos; - size_t ret = 0; - - list_for_each_entry(pos, head, node) { - if (with_hits && !pos->hit) - continue; - ret += dso__fprintf_buildid(pos, fp); - ret += fprintf(fp, " %s\n", pos->long_name); - } - return ret; -} - size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, bool with_hits) { @@ -1684,39 +1333,6 @@ size_t machines__fprintf_dsos_buildid(struct rb_root *machines, return ret; } -static struct dso* -dso__kernel_findnew(struct machine *machine, const char *name, - const char *short_name, int dso_type) -{ - /* - * The kernel dso could be created by build_id processing. - */ - struct dso *dso = __dsos__findnew(&machine->kernel_dsos, name); - - /* - * We need to run this in all cases, since during the build_id - * processing we had no idea this was the kernel dso. - */ - if (dso != NULL) { - dso__set_short_name(dso, short_name); - dso->kernel = dso_type; - } - - return dso; -} - -void dso__read_running_kernel_build_id(struct dso *dso, struct machine *machine) -{ - char path[PATH_MAX]; - - if (machine__is_default_guest(machine)) - return; - sprintf(path, "%s/sys/kernel/notes", machine->root_dir); - if (sysfs__read_build_id(path, dso->build_id, - sizeof(dso->build_id)) == 0) - dso->has_build_id = true; -} - static struct dso *machine__get_kernel(struct machine *machine) { const char *vmlinux_name = NULL; @@ -2065,49 +1681,6 @@ int machines__create_kernel_maps(struct rb_root *machines, pid_t pid) return machine__create_kernel_maps(machine); } -static int hex(char ch) -{ - if ((ch >= '0') && (ch <= '9')) - return ch - '0'; - if ((ch >= 'a') && (ch <= 'f')) - return ch - 'a' + 10; - if ((ch >= 'A') && (ch <= 'F')) - return ch - 'A' + 10; - return -1; -} - -/* - * While we find nice hex chars, build a long_val. - * Return number of chars processed. - */ -int hex2u64(const char *ptr, u64 *long_val) -{ - const char *p = ptr; - *long_val = 0; - - while (*p) { - const int hex_val = hex(*p); - - if (hex_val < 0) - break; - - *long_val = (*long_val << 4) | hex_val; - p++; - } - - return p - ptr; -} - -char *strxfrchar(char *s, char from, char to) -{ - char *p = s; - - while ((p = strchr(p, from)) != NULL) - *p++ = to; - - return s; -} - int machines__create_guest_kernel_maps(struct rb_root *machines) { int ret = 0; @@ -2202,229 +1775,3 @@ int machine__load_vmlinux_path(struct machine *machine, enum map_type type, return ret; } - -struct map *dso__new_map(const char *name) -{ - struct map *map = NULL; - struct dso *dso = dso__new(name); - - if (dso) - map = map__new2(0, dso, MAP__FUNCTION); - - return map; -} - -static int open_dso(struct dso *dso, struct machine *machine) -{ - char *root_dir = (char *) ""; - char *name; - int fd; - - name = malloc(PATH_MAX); - if (!name) - return -ENOMEM; - - if (machine) - root_dir = machine->root_dir; - - if (dso__binary_type_file(dso, dso->data_type, - root_dir, name, PATH_MAX)) { - free(name); - return -EINVAL; - } - - fd = open(name, O_RDONLY); - free(name); - return fd; -} - -int dso__data_fd(struct dso *dso, struct machine *machine) -{ - int i = 0; - - if (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND) - return open_dso(dso, machine); - - do { - int fd; - - dso->data_type = binary_type_data[i++]; - - fd = open_dso(dso, machine); - if (fd >= 0) - return fd; - - } while (dso->data_type != DSO_BINARY_TYPE__NOT_FOUND); - - return -EINVAL; -} - -static void -dso_cache__free(struct rb_root *root) -{ - struct rb_node *next = rb_first(root); - - while (next) { - struct dso_cache *cache; - - cache = rb_entry(next, struct dso_cache, rb_node); - next = rb_next(&cache->rb_node); - rb_erase(&cache->rb_node, root); - free(cache); - } -} - -static struct dso_cache* -dso_cache__find(struct rb_root *root, u64 offset) -{ - struct rb_node **p = &root->rb_node; - struct rb_node *parent = NULL; - struct dso_cache *cache; - - while (*p != NULL) { - u64 end; - - parent = *p; - cache = rb_entry(parent, struct dso_cache, rb_node); - end = cache->offset + DSO__DATA_CACHE_SIZE; - - if (offset < cache->offset) - p = &(*p)->rb_left; - else if (offset >= end) - p = &(*p)->rb_right; - else - return cache; - } - return NULL; -} - -static void -dso_cache__insert(struct rb_root *root, struct dso_cache *new) -{ - struct rb_node **p = &root->rb_node; - struct rb_node *parent = NULL; - struct dso_cache *cache; - u64 offset = new->offset; - - while (*p != NULL) { - u64 end; - - parent = *p; - cache = rb_entry(parent, struct dso_cache, rb_node); - end = cache->offset + DSO__DATA_CACHE_SIZE; - - if (offset < cache->offset) - p = &(*p)->rb_left; - else if (offset >= end) - p = &(*p)->rb_right; - } - - rb_link_node(&new->rb_node, parent, p); - rb_insert_color(&new->rb_node, root); -} - -static ssize_t -dso_cache__memcpy(struct dso_cache *cache, u64 offset, - u8 *data, u64 size) -{ - u64 cache_offset = offset - cache->offset; - u64 cache_size = min(cache->size - cache_offset, size); - - memcpy(data, cache->data + cache_offset, cache_size); - return cache_size; -} - -static ssize_t -dso_cache__read(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) -{ - struct dso_cache *cache; - ssize_t ret; - int fd; - - fd = dso__data_fd(dso, machine); - if (fd < 0) - return -1; - - do { - u64 cache_offset; - - ret = -ENOMEM; - - cache = zalloc(sizeof(*cache) + DSO__DATA_CACHE_SIZE); - if (!cache) - break; - - cache_offset = offset & DSO__DATA_CACHE_MASK; - ret = -EINVAL; - - if (-1 == lseek(fd, cache_offset, SEEK_SET)) - break; - - ret = read(fd, cache->data, DSO__DATA_CACHE_SIZE); - if (ret <= 0) - break; - - cache->offset = cache_offset; - cache->size = ret; - dso_cache__insert(&dso->cache, cache); - - ret = dso_cache__memcpy(cache, offset, data, size); - - } while (0); - - if (ret <= 0) - free(cache); - - close(fd); - return ret; -} - -static ssize_t dso_cache_read(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) -{ - struct dso_cache *cache; - - cache = dso_cache__find(&dso->cache, offset); - if (cache) - return dso_cache__memcpy(cache, offset, data, size); - else - return dso_cache__read(dso, machine, offset, data, size); -} - -ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size) -{ - ssize_t r = 0; - u8 *p = data; - - do { - ssize_t ret; - - ret = dso_cache_read(dso, machine, offset, p, size); - if (ret < 0) - return ret; - - /* Reached EOF, return what we have. */ - if (!ret) - break; - - BUG_ON(ret > size); - - r += ret; - p += ret; - offset += ret; - size -= ret; - - } while (size); - - return r; -} - -ssize_t dso__data_read_addr(struct dso *dso, struct map *map, - struct machine *machine, u64 addr, - u8 *data, ssize_t size) -{ - u64 offset = map->map_ip(map, addr); - return dso__data_read_offset(dso, machine, offset, data, size); -} diff --git a/tools/perf/util/symbol.h b/tools/perf/util/symbol.h index 8b6ef7fac745..863b05bea5ff 100644 --- a/tools/perf/util/symbol.h +++ b/tools/perf/util/symbol.h @@ -11,6 +11,7 @@ #include <stdio.h> #include <byteswap.h> #include <libgen.h> +#include "build-id.h" #ifdef LIBELF_SUPPORT #include <libelf.h> @@ -18,6 +19,8 @@ #include <elf.h> #endif +#include "dso.h" + #ifdef HAVE_CPLUS_DEMANGLE extern char *cplus_demangle(const char *, int); @@ -39,9 +42,6 @@ static inline char *bfd_demangle(void __maybe_unused *v, #endif #endif -int hex2u64(const char *ptr, u64 *val); -char *strxfrchar(char *s, char from, char to); - /* * libelf 0.8.x and earlier do not support ELF_C_READ_MMAP; * for newer versions we can use mmap to reduce memory usage: @@ -57,8 +57,6 @@ char *strxfrchar(char *s, char from, char to); #define DMGL_ANSI (1 << 1) /* Include const, volatile, etc */ #endif -#define BUILD_ID_SIZE 20 - /** struct symbol - symtab entry * * @ignore - resolvable but tools ignore it (e.g. idle routines) @@ -74,6 +72,7 @@ struct symbol { }; void symbol__delete(struct symbol *sym); +void symbols__delete(struct rb_root *symbols); static inline size_t symbol__size(const struct symbol *sym) { @@ -164,70 +163,6 @@ struct addr_location { s32 cpu; }; -enum dso_binary_type { - DSO_BINARY_TYPE__KALLSYMS = 0, - DSO_BINARY_TYPE__GUEST_KALLSYMS, - DSO_BINARY_TYPE__VMLINUX, - DSO_BINARY_TYPE__GUEST_VMLINUX, - DSO_BINARY_TYPE__JAVA_JIT, - DSO_BINARY_TYPE__DEBUGLINK, - DSO_BINARY_TYPE__BUILD_ID_CACHE, - DSO_BINARY_TYPE__FEDORA_DEBUGINFO, - DSO_BINARY_TYPE__UBUNTU_DEBUGINFO, - DSO_BINARY_TYPE__BUILDID_DEBUGINFO, - DSO_BINARY_TYPE__SYSTEM_PATH_DSO, - DSO_BINARY_TYPE__GUEST_KMODULE, - DSO_BINARY_TYPE__SYSTEM_PATH_KMODULE, - DSO_BINARY_TYPE__NOT_FOUND, -}; - -enum dso_kernel_type { - DSO_TYPE_USER = 0, - DSO_TYPE_KERNEL, - DSO_TYPE_GUEST_KERNEL -}; - -enum dso_swap_type { - DSO_SWAP__UNSET, - DSO_SWAP__NO, - DSO_SWAP__YES, -}; - -#define DSO__DATA_CACHE_SIZE 4096 -#define DSO__DATA_CACHE_MASK ~(DSO__DATA_CACHE_SIZE - 1) - -struct dso_cache { - struct rb_node rb_node; - u64 offset; - u64 size; - char data[0]; -}; - -struct dso { - struct list_head node; - struct rb_root symbols[MAP__NR_TYPES]; - struct rb_root symbol_names[MAP__NR_TYPES]; - struct rb_root cache; - enum dso_kernel_type kernel; - enum dso_swap_type needs_swap; - enum dso_binary_type symtab_type; - enum dso_binary_type data_type; - u8 adjust_symbols:1; - u8 has_build_id:1; - u8 hit:1; - u8 annotate_warned:1; - u8 sname_alloc:1; - u8 lname_alloc:1; - u8 sorted_by_name; - u8 loaded; - u8 build_id[BUILD_ID_SIZE]; - const char *short_name; - char *long_name; - u16 long_name_len; - u16 short_name_len; - char name[0]; -}; - struct symsrc { char *name; int fd; @@ -258,47 +193,6 @@ int symsrc__init(struct symsrc *ss, struct dso *dso, const char *name, bool symsrc__has_symtab(struct symsrc *ss); bool symsrc__possibly_runtime(struct symsrc *ss); -#define DSO__SWAP(dso, type, val) \ -({ \ - type ____r = val; \ - BUG_ON(dso->needs_swap == DSO_SWAP__UNSET); \ - if (dso->needs_swap == DSO_SWAP__YES) { \ - switch (sizeof(____r)) { \ - case 2: \ - ____r = bswap_16(val); \ - break; \ - case 4: \ - ____r = bswap_32(val); \ - break; \ - case 8: \ - ____r = bswap_64(val); \ - break; \ - default: \ - BUG_ON(1); \ - } \ - } \ - ____r; \ -}) - -struct dso *dso__new(const char *name); -void dso__delete(struct dso *dso); - -int dso__name_len(const struct dso *dso); - -bool dso__loaded(const struct dso *dso, enum map_type type); -bool dso__sorted_by_name(const struct dso *dso, enum map_type type); - -static inline void dso__set_loaded(struct dso *dso, enum map_type type) -{ - dso->loaded |= (1 << type); -} - -void dso__sort_by_name(struct dso *dso, enum map_type type); - -void dsos__add(struct list_head *head, struct dso *dso); -struct dso *dsos__find(struct list_head *head, const char *name); -struct dso *__dsos__findnew(struct list_head *head, const char *name); - int dso__load(struct dso *dso, struct map *map, symbol_filter_t filter); int dso__load_vmlinux(struct dso *dso, struct map *map, const char *vmlinux, symbol_filter_t filter); @@ -311,25 +205,12 @@ int machine__load_kallsyms(struct machine *machine, const char *filename, int machine__load_vmlinux_path(struct machine *machine, enum map_type type, symbol_filter_t filter); -size_t __dsos__fprintf(struct list_head *head, FILE *fp); - size_t machine__fprintf_dsos_buildid(struct machine *machine, FILE *fp, bool with_hits); size_t machines__fprintf_dsos(struct rb_root *machines, FILE *fp); size_t machines__fprintf_dsos_buildid(struct rb_root *machines, FILE *fp, bool with_hits); -size_t dso__fprintf_buildid(struct dso *dso, FILE *fp); -size_t dso__fprintf_symbols_by_name(struct dso *dso, - enum map_type type, FILE *fp); -size_t dso__fprintf(struct dso *dso, enum map_type type, FILE *fp); - -char dso__symtab_origin(const struct dso *dso); -void dso__set_long_name(struct dso *dso, char *name); -void dso__set_build_id(struct dso *dso, void *build_id); -bool dso__build_id_equal(const struct dso *dso, u8 *build_id); -void dso__read_running_kernel_build_id(struct dso *dso, - struct machine *machine); -struct map *dso__new_map(const char *name); + struct symbol *dso__find_symbol(struct dso *dso, enum map_type type, u64 addr); struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, @@ -337,8 +218,6 @@ struct symbol *dso__find_symbol_by_name(struct dso *dso, enum map_type type, int filename__read_build_id(const char *filename, void *bf, size_t size); int sysfs__read_build_id(const char *filename, void *bf, size_t size); -bool __dsos__read_build_ids(struct list_head *head, bool with_hits); -int build_id__sprintf(const u8 *build_id, int len, char *bf); int kallsyms__parse(const char *filename, void *arg, int (*process_symbol)(void *arg, const char *name, char type, u64 start)); @@ -360,19 +239,11 @@ struct symbol *symbol__new(u64 start, u64 len, u8 binding, const char *name); 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); +size_t symbol__fprintf(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); -int dso__binary_type_file(struct dso *dso, enum dso_binary_type type, - char *root_dir, char *file, size_t size); - -int dso__data_fd(struct dso *dso, struct machine *machine); -ssize_t dso__data_read_offset(struct dso *dso, struct machine *machine, - u64 offset, u8 *data, ssize_t size); -ssize_t dso__data_read_addr(struct dso *dso, struct map *map, - struct machine *machine, u64 addr, - u8 *data, ssize_t size); int dso__test_data(void); int dso__load_sym(struct dso *dso, struct map *map, struct symsrc *syms_ss, struct symsrc *runtime_ss, symbol_filter_t filter, diff --git a/tools/perf/util/util.c b/tools/perf/util/util.c index 637b5cc54362..5906e8426cc7 100644 --- a/tools/perf/util/util.c +++ b/tools/perf/util/util.c @@ -166,6 +166,39 @@ size_t hex_width(u64 v) return n; } +static int hex(char ch) +{ + if ((ch >= '0') && (ch <= '9')) + return ch - '0'; + if ((ch >= 'a') && (ch <= 'f')) + return ch - 'a' + 10; + if ((ch >= 'A') && (ch <= 'F')) + return ch - 'A' + 10; + return -1; +} + +/* + * While we find nice hex chars, build a long_val. + * Return number of chars processed. + */ +int hex2u64(const char *ptr, u64 *long_val) +{ + const char *p = ptr; + *long_val = 0; + + while (*p) { + const int hex_val = hex(*p); + + if (hex_val < 0) + break; + + *long_val = (*long_val << 4) | hex_val; + p++; + } + + return p - ptr; +} + /* Obtain a backtrace and print it to stdout. */ #ifdef BACKTRACE_SUPPORT void dump_stack(void) diff --git a/tools/perf/util/util.h b/tools/perf/util/util.h index 0d85209db8f1..c2330918110c 100644 --- a/tools/perf/util/util.h +++ b/tools/perf/util/util.h @@ -240,6 +240,7 @@ void argv_free(char **argv); bool strglobmatch(const char *str, const char *pat); bool strlazymatch(const char *str, const char *pat); int strtailcmp(const char *s1, const char *s2); +char *strxfrchar(char *s, char from, char to); unsigned long convert_unit(unsigned long value, char *unit); int readn(int fd, void *buf, size_t size); @@ -262,6 +263,7 @@ bool is_power_of_2(unsigned long n) } size_t hex_width(u64 v); +int hex2u64(const char *ptr, u64 *val); char *rtrim(char *s); |