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perf tools: Add stat round event synthesize function

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Introduce the perf_event__synthesize_stat_round function to
synthesize a 'struct stat_round_event'.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Tested-by: Kan Liang <kan.liang@intel.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1445784728-21732-19-git-send-email-jolsa@kernel.org
[ Renamed 'time' parameter to 'evtime' to fix build on older systems ]
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Jiri Olsa 2015-10-25 15:51:34 +01:00 committed by Arnaldo Carvalho de Melo
parent 2d8f0f18a5
commit d4c2259195
5 changed files with 47 additions and 0 deletions
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4
tools/perf/tests/builtin-test.c
View File

@ -195,6 +195,10 @@ static struct test generic_tests[] = {
.desc = "Test stat synthesize",
.func = test__synthesize_stat,
},
{
.desc = "Test stat round synthesize",
.func = test__synthesize_stat_round,
},
{
.func = NULL,
},

21
tools/perf/tests/stat.c
View File

@ -88,3 +88,24 @@ int test__synthesize_stat(int subtest __maybe_unused)
return 0;
}
static int process_stat_round_event(struct perf_tool *tool __maybe_unused,
union perf_event *event,
struct perf_sample *sample __maybe_unused,
struct machine *machine __maybe_unused)
{
struct stat_round_event *stat_round = &event->stat_round;
TEST_ASSERT_VAL("wrong time", stat_round->time == 0xdeadbeef);
TEST_ASSERT_VAL("wrong type", stat_round->type == PERF_STAT_ROUND_TYPE__INTERVAL);
return 0;
}
int test__synthesize_stat_round(int subtest __maybe_unused)
{
TEST_ASSERT_VAL("failed to synthesize stat_config",
!perf_event__synthesize_stat_round(NULL, 0xdeadbeef, PERF_STAT_ROUND_TYPE__INTERVAL,
process_stat_round_event, NULL));
return 0;
}

1
tools/perf/tests/tests.h
View File

@ -83,6 +83,7 @@ int test__thread_map_synthesize(int subtest);
int test__cpu_map_synthesize(int subtest);
int test__synthesize_stat_config(int subtest);
int test__synthesize_stat(int subtest);
int test__synthesize_stat_round(int subtest);
#if defined(__arm__) || defined(__aarch64__)
#ifdef HAVE_DWARF_UNWIND_SUPPORT

17
tools/perf/util/event.c
View File

@ -933,6 +933,23 @@ int perf_event__synthesize_stat(struct perf_tool *tool,
return process(tool, (union perf_event *) &event, NULL, machine);
}
int perf_event__synthesize_stat_round(struct perf_tool *tool,
u64 evtime, u64 type,
perf_event__handler_t process,
struct machine *machine)
{
struct stat_round_event event;
event.header.type = PERF_RECORD_STAT_ROUND;
event.header.size = sizeof(event);
event.header.misc = 0;
event.time = evtime;
event.type = type;
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)
{

4
tools/perf/util/event.h
View File

@ -517,6 +517,10 @@ int perf_event__synthesize_stat(struct perf_tool *tool,
struct perf_counts_values *count,
perf_event__handler_t process,
struct machine *machine);
int perf_event__synthesize_stat_round(struct perf_tool *tool,
u64 time, u64 type,
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);