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Commit d4c22591 authored by Jiri Olsa's avatar Jiri Olsa Committed by Arnaldo Carvalho de Melo
Browse files

perf tools: Add stat round event synthesize function 



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

Signed-off-by: default avatarJiri Olsa <jolsa@kernel.org>
Tested-by: default avatarKan 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: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 2d8f0f18

tools/perf/tests/builtin-test.c

+4 −0
Original line number Diff line number Diff line
@@ -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,

	},

tools/perf/tests/stat.c

+21 −0
Original line number Diff line number Diff line
@@ -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;

}

tools/perf/tests/tests.h

+1 −0
Original line number Diff line number Diff line
@@ -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

tools/perf/util/event.c

+17 −0
Original line number Diff line number Diff line
@@ -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)

{

tools/perf/util/event.h

+4 −0
Original line number Diff line number Diff line
@@ -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);