diff options
Diffstat (limited to 'tools/perf/tests')
| -rw-r--r-- | tools/perf/tests/Build | 2 | ||||
| -rw-r--r-- | tools/perf/tests/backward-ring-buffer.c | 2 | ||||
| -rw-r--r-- | tools/perf/tests/bpf.c | 8 | ||||
| -rw-r--r-- | tools/perf/tests/builtin-test.c | 105 | ||||
| -rw-r--r-- | tools/perf/tests/clang.c | 46 | ||||
| -rw-r--r-- | tools/perf/tests/llvm.c | 8 | ||||
| -rw-r--r-- | tools/perf/tests/llvm.h | 7 | ||||
| -rw-r--r-- | tools/perf/tests/make | 6 | ||||
| -rw-r--r-- | tools/perf/tests/perf-hooks.c | 48 | ||||
| -rw-r--r-- | tools/perf/tests/tests.h | 4 |
10 files changed, 179 insertions, 57 deletions
diff --git a/tools/perf/tests/Build b/tools/perf/tests/Build index 8a4ce492f7b2..6676c2dd6dcb 100644 --- a/tools/perf/tests/Build +++ b/tools/perf/tests/Build @@ -42,6 +42,8 @@ perf-y += backward-ring-buffer.o perf-y += sdt.o perf-y += is_printable_array.o perf-y += bitmap.o +perf-y += perf-hooks.o +perf-y += clang.o $(OUTPUT)tests/llvm-src-base.c: tests/bpf-script-example.c tests/Build $(call rule_mkdir) diff --git a/tools/perf/tests/backward-ring-buffer.c b/tools/perf/tests/backward-ring-buffer.c index e6d1816e431a..42e892b1e979 100644 --- a/tools/perf/tests/backward-ring-buffer.c +++ b/tools/perf/tests/backward-ring-buffer.c @@ -97,7 +97,7 @@ int test__backward_ring_buffer(int subtest __maybe_unused) evlist = perf_evlist__new(); if (!evlist) { - pr_debug("No enough memory to create evlist\n"); + pr_debug("Not enough memory to create evlist\n"); return TEST_FAIL; } diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c index 2673e86ed50f..92343f43e44a 100644 --- a/tools/perf/tests/bpf.c +++ b/tools/perf/tests/bpf.c @@ -57,7 +57,7 @@ static struct { } bpf_testcase_table[] = { { LLVM_TESTCASE_BASE, - "Test basic BPF filtering", + "Basic BPF filtering", "[basic_bpf_test]", "fix 'perf test LLVM' first", "load bpf object failed", @@ -67,7 +67,7 @@ static struct { #ifdef HAVE_BPF_PROLOGUE { LLVM_TESTCASE_BPF_PROLOGUE, - "Test BPF prologue generation", + "BPF prologue generation", "[bpf_prologue_test]", "fix kbuild first", "check your vmlinux setting?", @@ -77,7 +77,7 @@ static struct { #endif { LLVM_TESTCASE_BPF_RELOCATION, - "Test BPF relocation checker", + "BPF relocation checker", "[bpf_relocation_test]", "fix 'perf test LLVM' first", "libbpf error when dealing with relocation", @@ -125,7 +125,7 @@ static int do_test(struct bpf_object *obj, int (*func)(void), /* Instead of perf_evlist__new_default, don't add default events */ evlist = perf_evlist__new(); if (!evlist) { - pr_debug("No enough memory to create evlist\n"); + pr_debug("Not enough memory to create evlist\n"); return TEST_FAIL; } diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 778668a2a966..23605202d4a1 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -28,119 +28,119 @@ static struct test generic_tests[] = { .func = test__vmlinux_matches_kallsyms, }, { - .desc = "detect openat syscall event", + .desc = "Detect openat syscall event", .func = test__openat_syscall_event, }, { - .desc = "detect openat syscall event on all cpus", + .desc = "Detect openat syscall event on all cpus", .func = test__openat_syscall_event_on_all_cpus, }, { - .desc = "read samples using the mmap interface", + .desc = "Read samples using the mmap interface", .func = test__basic_mmap, }, { - .desc = "parse events tests", + .desc = "Parse event definition strings", .func = test__parse_events, }, { - .desc = "Validate PERF_RECORD_* events & perf_sample fields", + .desc = "PERF_RECORD_* events & perf_sample fields", .func = test__PERF_RECORD, }, { - .desc = "Test perf pmu format parsing", + .desc = "Parse perf pmu format", .func = test__pmu, }, { - .desc = "Test dso data read", + .desc = "DSO data read", .func = test__dso_data, }, { - .desc = "Test dso data cache", + .desc = "DSO data cache", .func = test__dso_data_cache, }, { - .desc = "Test dso data reopen", + .desc = "DSO data reopen", .func = test__dso_data_reopen, }, { - .desc = "roundtrip evsel->name check", + .desc = "Roundtrip evsel->name", .func = test__perf_evsel__roundtrip_name_test, }, { - .desc = "Check parsing of sched tracepoints fields", + .desc = "Parse sched tracepoints fields", .func = test__perf_evsel__tp_sched_test, }, { - .desc = "Generate and check syscalls:sys_enter_openat event fields", + .desc = "syscalls:sys_enter_openat event fields", .func = test__syscall_openat_tp_fields, }, { - .desc = "struct perf_event_attr setup", + .desc = "Setup struct perf_event_attr", .func = test__attr, }, { - .desc = "Test matching and linking multiple hists", + .desc = "Match and link multiple hists", .func = test__hists_link, }, { - .desc = "Try 'import perf' in python, checking link problems", + .desc = "'import perf' in python", .func = test__python_use, }, { - .desc = "Test breakpoint overflow signal handler", + .desc = "Breakpoint overflow signal handler", .func = test__bp_signal, }, { - .desc = "Test breakpoint overflow sampling", + .desc = "Breakpoint overflow sampling", .func = test__bp_signal_overflow, }, { - .desc = "Test number of exit event of a simple workload", + .desc = "Number of exit events of a simple workload", .func = test__task_exit, }, { - .desc = "Test software clock events have valid period values", + .desc = "Software clock events period values", .func = test__sw_clock_freq, }, { - .desc = "Test object code reading", + .desc = "Object code reading", .func = test__code_reading, }, { - .desc = "Test sample parsing", + .desc = "Sample parsing", .func = test__sample_parsing, }, { - .desc = "Test using a dummy software event to keep tracking", + .desc = "Use a dummy software event to keep tracking", .func = test__keep_tracking, }, { - .desc = "Test parsing with no sample_id_all bit set", + .desc = "Parse with no sample_id_all bit set", .func = test__parse_no_sample_id_all, }, { - .desc = "Test filtering hist entries", + .desc = "Filter hist entries", .func = test__hists_filter, }, { - .desc = "Test mmap thread lookup", + .desc = "Lookup mmap thread", .func = test__mmap_thread_lookup, }, { - .desc = "Test thread mg sharing", + .desc = "Share thread mg", .func = test__thread_mg_share, }, { - .desc = "Test output sorting of hist entries", + .desc = "Sort output of hist entries", .func = test__hists_output, }, { - .desc = "Test cumulation of child hist entries", + .desc = "Cumulate child hist entries", .func = test__hists_cumulate, }, { - .desc = "Test tracking with sched_switch", + .desc = "Track with sched_switch", .func = test__switch_tracking, }, { @@ -152,15 +152,15 @@ static struct test generic_tests[] = { .func = test__fdarray__add, }, { - .desc = "Test kmod_path__parse function", + .desc = "kmod_path__parse", .func = test__kmod_path__parse, }, { - .desc = "Test thread map", + .desc = "Thread map", .func = test__thread_map, }, { - .desc = "Test LLVM searching and compiling", + .desc = "LLVM search and compile", .func = test__llvm, .subtest = { .skip_if_fail = true, @@ -169,11 +169,11 @@ static struct test generic_tests[] = { }, }, { - .desc = "Test topology in session", + .desc = "Session topology", .func = test_session_topology, }, { - .desc = "Test BPF filter", + .desc = "BPF filter", .func = test__bpf, .subtest = { .skip_if_fail = true, @@ -182,54 +182,67 @@ static struct test generic_tests[] = { }, }, { - .desc = "Test thread map synthesize", + .desc = "Synthesize thread map", .func = test__thread_map_synthesize, }, { - .desc = "Test cpu map synthesize", + .desc = "Synthesize cpu map", .func = test__cpu_map_synthesize, }, { - .desc = "Test stat config synthesize", + .desc = "Synthesize stat config", .func = test__synthesize_stat_config, }, { - .desc = "Test stat synthesize", + .desc = "Synthesize stat", .func = test__synthesize_stat, }, { - .desc = "Test stat round synthesize", + .desc = "Synthesize stat round", .func = test__synthesize_stat_round, }, { - .desc = "Test attr update synthesize", + .desc = "Synthesize attr update", .func = test__event_update, }, { - .desc = "Test events times", + .desc = "Event times", .func = test__event_times, }, { - .desc = "Test backward reading from ring buffer", + .desc = "Read backward ring buffer", .func = test__backward_ring_buffer, }, { - .desc = "Test cpu map print", + .desc = "Print cpu map", .func = test__cpu_map_print, }, { - .desc = "Test SDT event probing", + .desc = "Probe SDT events", .func = test__sdt_event, }, { - .desc = "Test is_printable_array function", + .desc = "is_printable_array", .func = test__is_printable_array, }, { - .desc = "Test bitmap print", + .desc = "Print bitmap", .func = test__bitmap_print, }, { + .desc = "perf hooks", + .func = test__perf_hooks, + }, + { + .desc = "builtin clang support", + .func = test__clang, + .subtest = { + .skip_if_fail = true, + .get_nr = test__clang_subtest_get_nr, + .get_desc = test__clang_subtest_get_desc, + } + }, + { .func = NULL, }, }; diff --git a/tools/perf/tests/clang.c b/tools/perf/tests/clang.c new file mode 100644 index 000000000000..f853e242a86c --- /dev/null +++ b/tools/perf/tests/clang.c @@ -0,0 +1,46 @@ +#include "tests.h" +#include "debug.h" +#include "util.h" +#include "c++/clang-c.h" + +static struct { + int (*func)(void); + const char *desc; +} clang_testcase_table[] = { +#ifdef HAVE_LIBCLANGLLVM_SUPPORT + { + .func = test__clang_to_IR, + .desc = "builtin clang compile C source to IR", + }, + { + .func = test__clang_to_obj, + .desc = "builtin clang compile C source to ELF object", + }, +#endif +}; + +int test__clang_subtest_get_nr(void) +{ + return (int)ARRAY_SIZE(clang_testcase_table); +} + +const char *test__clang_subtest_get_desc(int i) +{ + if (i < 0 || i >= (int)ARRAY_SIZE(clang_testcase_table)) + return NULL; + return clang_testcase_table[i].desc; +} + +#ifndef HAVE_LIBCLANGLLVM_SUPPORT +int test__clang(int i __maybe_unused) +{ + return TEST_SKIP; +} +#else +int test__clang(int i) +{ + if (i < 0 || i >= (int)ARRAY_SIZE(clang_testcase_table)) + return TEST_FAIL; + return clang_testcase_table[i].func(); +} +#endif diff --git a/tools/perf/tests/llvm.c b/tools/perf/tests/llvm.c index b798a4bfd238..02a33ebcd992 100644 --- a/tools/perf/tests/llvm.c +++ b/tools/perf/tests/llvm.c @@ -34,19 +34,19 @@ static struct { } bpf_source_table[__LLVM_TESTCASE_MAX] = { [LLVM_TESTCASE_BASE] = { .source = test_llvm__bpf_base_prog, - .desc = "Basic BPF llvm compiling test", + .desc = "Basic BPF llvm compile", }, [LLVM_TESTCASE_KBUILD] = { .source = test_llvm__bpf_test_kbuild_prog, - .desc = "Test kbuild searching", + .desc = "kbuild searching", }, [LLVM_TESTCASE_BPF_PROLOGUE] = { .source = test_llvm__bpf_test_prologue_prog, - .desc = "Compile source for BPF prologue generation test", + .desc = "Compile source for BPF prologue generation", }, [LLVM_TESTCASE_BPF_RELOCATION] = { .source = test_llvm__bpf_test_relocation, - .desc = "Compile source for BPF relocation test", + .desc = "Compile source for BPF relocation", .should_load_fail = true, }, }; diff --git a/tools/perf/tests/llvm.h b/tools/perf/tests/llvm.h index 0eaa604be99d..b83571758d83 100644 --- a/tools/perf/tests/llvm.h +++ b/tools/perf/tests/llvm.h @@ -1,6 +1,10 @@ #ifndef PERF_TEST_LLVM_H #define PERF_TEST_LLVM_H +#ifdef __cplusplus +extern "C" { +#endif + #include <stddef.h> /* for size_t */ #include <stdbool.h> /* for bool */ @@ -20,4 +24,7 @@ enum test_llvm__testcase { int test_llvm__fetch_bpf_obj(void **p_obj_buf, size_t *p_obj_buf_sz, enum test_llvm__testcase index, bool force, bool *should_load_fail); +#ifdef __cplusplus +} +#endif #endif diff --git a/tools/perf/tests/make b/tools/perf/tests/make index 143f4d549769..0784748f1670 100644 --- a/tools/perf/tests/make +++ b/tools/perf/tests/make @@ -83,6 +83,7 @@ make_no_libbpf := NO_LIBBPF=1 make_no_libcrypto := NO_LIBCRYPTO=1 make_with_babeltrace:= LIBBABELTRACE=1 make_no_sdt := NO_SDT=1 +make_with_clangllvm := LIBCLANGLLVM=1 make_tags := tags make_cscope := cscope make_help := help @@ -106,7 +107,7 @@ make_minimal := NO_LIBPERL=1 NO_LIBPYTHON=1 NO_NEWT=1 NO_GTK2=1 make_minimal += NO_DEMANGLE=1 NO_LIBELF=1 NO_LIBUNWIND=1 NO_BACKTRACE=1 make_minimal += NO_LIBNUMA=1 NO_LIBAUDIT=1 NO_LIBBIONIC=1 make_minimal += NO_LIBDW_DWARF_UNWIND=1 NO_AUXTRACE=1 NO_LIBBPF=1 -make_minimal += NO_LIBCRYPTO=1 NO_SDT=1 +make_minimal += NO_LIBCRYPTO=1 NO_SDT=1 NO_JVMTI=1 # $(run) contains all available tests run := make_pure @@ -139,6 +140,7 @@ run += make_no_libbionic run += make_no_auxtrace run += make_no_libbpf run += make_with_babeltrace +run += make_with_clangllvm run += make_help run += make_doc run += make_perf_o @@ -278,7 +280,7 @@ endif MAKEFLAGS := --no-print-directory -clean := @(cd $(PERF); $(MAKE_F) -s $(O_OPT) clean >/dev/null) +clean := @(cd $(PERF); $(MAKE_F) -s $(O_OPT) clean >/dev/null && $(MAKE) -s $(O_OPT) -C ../build clean >/dev/null) $(run): $(call clean) diff --git a/tools/perf/tests/perf-hooks.c b/tools/perf/tests/perf-hooks.c new file mode 100644 index 000000000000..665ecc19671c --- /dev/null +++ b/tools/perf/tests/perf-hooks.c @@ -0,0 +1,48 @@ +#include <signal.h> +#include <stdlib.h> + +#include "tests.h" +#include "debug.h" +#include "util.h" +#include "perf-hooks.h" + +static void sigsegv_handler(int sig __maybe_unused) +{ + pr_debug("SIGSEGV is observed as expected, try to recover.\n"); + perf_hooks__recover(); + signal(SIGSEGV, SIG_DFL); + raise(SIGSEGV); + exit(-1); +} + + +static void the_hook(void *_hook_flags) +{ + int *hook_flags = _hook_flags; + int *p = NULL; + + *hook_flags = 1234; + + /* Generate a segfault, test perf_hooks__recover */ + *p = 0; +} + +int test__perf_hooks(int subtest __maybe_unused) +{ + int hook_flags = 0; + + signal(SIGSEGV, sigsegv_handler); + perf_hooks__set_hook("test", the_hook, &hook_flags); + perf_hooks__invoke_test(); + + /* hook is triggered? */ + if (hook_flags != 1234) { + pr_debug("Setting failed: %d (%p)\n", hook_flags, &hook_flags); + return TEST_FAIL; + } + + /* the buggy hook is removed? */ + if (perf_hooks__get_hook("test")) + return TEST_FAIL; + return TEST_OK; +} diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 7c196c585472..0d7b251305af 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -91,6 +91,10 @@ int test__cpu_map_print(int subtest); int test__sdt_event(int subtest); int test__is_printable_array(int subtest); int test__bitmap_print(int subtest); +int test__perf_hooks(int subtest); +int test__clang(int subtest); +const char *test__clang_subtest_get_desc(int subtest); +int test__clang_subtest_get_nr(void); #if defined(__arm__) || defined(__aarch64__) #ifdef HAVE_DWARF_UNWIND_SUPPORT |