Introduce perf_event__synthesize_stat function to synthesize 'struct stat_event'.
Link: http://lkml.kernel.org/n/[email protected] Signed-off-by: Jiri Olsa <[email protected]> --- tools/perf/tests/builtin-test.c | 4 ++++ tools/perf/tests/stat.c | 41 ++++++++++++++++++++++++++++++++++++----- tools/perf/tests/tests.h | 1 + tools/perf/util/event.c | 22 ++++++++++++++++++++++ tools/perf/util/event.h | 7 ++++++- 5 files changed, 69 insertions(+), 6 deletions(-) diff --git a/tools/perf/tests/builtin-test.c b/tools/perf/tests/builtin-test.c index 23fccd474302..63661c26dae3 100644 --- a/tools/perf/tests/builtin-test.c +++ b/tools/perf/tests/builtin-test.c @@ -204,6 +204,10 @@ static struct test { .func = test__synthesize_stat_config, }, { + .desc = "Test stat synthesize", + .func = test__synthesize_stat, + }, + { .func = NULL, }, }; diff --git a/tools/perf/tests/stat.c b/tools/perf/tests/stat.c index 2049c5a3e4a2..5918fb74dfd8 100644 --- a/tools/perf/tests/stat.c +++ b/tools/perf/tests/stat.c @@ -2,6 +2,7 @@ #include "event.h" #include "tests.h" #include "stat.h" +#include "counts.h" #include "debug.h" static bool has_term(struct stat_config_event *config, @@ -18,10 +19,10 @@ static bool has_term(struct stat_config_event *config, return false; } -static int process_event(struct perf_tool *tool __maybe_unused, - union perf_event *event, - struct perf_sample *sample __maybe_unused, - struct machine *machine __maybe_unused) +static int process_stat_config_event(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) { struct stat_config_event *config = &event->stat_config; struct perf_stat_config stat_config; @@ -53,7 +54,37 @@ int test__synthesize_stat_config(void) }; TEST_ASSERT_VAL("failed to synthesize stat_config", - !perf_event__synthesize_stat_config(NULL, &stat_config, process_event, NULL)); + !perf_event__synthesize_stat_config(NULL, &stat_config, process_stat_config_event, NULL)); + + return 0; +} + +static int process_stat_event(struct perf_tool *tool __maybe_unused, + union perf_event *event, + struct perf_sample *sample __maybe_unused, + struct machine *machine __maybe_unused) +{ + struct stat_event *stat = &event->stat; + + TEST_ASSERT_VAL("wrong cpu", stat->cpu == 1); + TEST_ASSERT_VAL("wrong thread", stat->thread == 2); + TEST_ASSERT_VAL("wrong id", stat->id == 3); + TEST_ASSERT_VAL("wrong val", stat->val == 100); + TEST_ASSERT_VAL("wrong run", stat->ena == 200); + TEST_ASSERT_VAL("wrong ena", stat->run == 300); + return 0; +} + +int test__synthesize_stat(void) +{ + struct perf_counts_values count = { + .val = 100, + .ena = 200, + .run = 300, + }; + + TEST_ASSERT_VAL("failed to synthesize stat_config", + !perf_event__synthesize_stat(NULL, 1, 2, 3, &count, process_stat_event, NULL)); return 0; } diff --git a/tools/perf/tests/tests.h b/tools/perf/tests/tests.h index 3dc65f5158ed..b9f4bf179649 100644 --- a/tools/perf/tests/tests.h +++ b/tools/perf/tests/tests.h @@ -68,6 +68,7 @@ int test_session_topology(void); int test__thread_map_synthesize(void); int test__cpu_map_synthesize(void); int test__synthesize_stat_config(void); +int test__synthesize_stat(void); #if defined(__x86_64__) || defined(__i386__) || defined(__arm__) || defined(__aarch64__) #ifdef HAVE_DWARF_UNWIND_SUPPORT diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c index c0fc12630ba0..46f5518c04e8 100644 --- a/tools/perf/util/event.c +++ b/tools/perf/util/event.c @@ -807,6 +807,28 @@ int perf_event__synthesize_stat_config(struct perf_tool *tool, return err; } +int perf_event__synthesize_stat(struct perf_tool *tool, + u32 cpu, u32 thread, u64 id, + struct perf_counts_values *count, + perf_event__handler_t process, + struct machine *machine) +{ + struct stat_event event; + + event.header.type = PERF_RECORD_STAT; + event.header.size = sizeof(event); + event.header.misc = 0; + + event.id = id; + event.cpu = cpu; + event.thread = thread; + event.val = count->val; + event.ena = count->ena; + event.run = count->run; + + return process(tool, (union perf_event *) &event, NULL, machine); +} + void perf_event__read_stat_config(struct perf_stat_config *config, struct stat_config_event *event) { diff --git a/tools/perf/util/event.h b/tools/perf/util/event.h index 885a1731ac23..2fa72b88e5e1 100644 --- a/tools/perf/util/event.h +++ b/tools/perf/util/event.h @@ -446,6 +446,7 @@ struct perf_tool; struct thread_map; struct cpu_map; struct perf_stat_config; +struct perf_counts_values; typedef int (*perf_event__handler_t)(struct perf_tool *tool, union perf_event *event, @@ -478,7 +479,11 @@ int perf_event__synthesize_stat_config(struct perf_tool *tool, struct machine *machine); void perf_event__read_stat_config(struct perf_stat_config *config, struct stat_config_event *event); - +int perf_event__synthesize_stat(struct perf_tool *tool, + u32 cpu, u32 thread, u64 id, + struct perf_counts_values *count, + perf_event__handler_t process, + struct machine *machine); int perf_event__synthesize_modules(struct perf_tool *tool, perf_event__handler_t process, struct machine *machine); -- 2.4.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
