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Commit c9ee780f authored by Michael Ellerman's avatar Michael Ellerman Committed by Arnaldo Carvalho de Melo
Browse files

perf tests: Add tests of new pinned modifier 



Add a negative test to test__checkevent_pmu_events() to get lots of
coverage of the negative case, ie. when the modifier is not specified.

Add a test of a single event, and of the group case.

Signed-off-by: default avatarMichael Ellerman <michael@ellerman.id.au>
Acked-by: default avatarJiri Olsa <jolsa@redhat.com>
Acked-by: default avatarNamhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1375795686-4226-2-git-send-email-michael@ellerman.id.au


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent e9a7c414

tools/perf/tests/parse-events.c

+53 −0
Original line number Diff line number Diff line
@@ -452,6 +452,7 @@ static int test__checkevent_pmu_events(struct perf_evlist *evlist) 
			evsel->attr.exclude_kernel);

	TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);

	TEST_ASSERT_VAL("wrong precise_ip", !evsel->attr.precise_ip);

	TEST_ASSERT_VAL("wrong pinned", !evsel->attr.pinned);



	return 0;

}
@@ -1070,6 +1071,50 @@ static int test__leader_sample2(struct perf_evlist *evlist __maybe_unused) 
	return 0;

}



static int test__checkevent_pinned_modifier(struct perf_evlist *evlist)

{

	struct perf_evsel *evsel = perf_evlist__first(evlist);



	TEST_ASSERT_VAL("wrong exclude_user", !evsel->attr.exclude_user);

	TEST_ASSERT_VAL("wrong exclude_kernel", evsel->attr.exclude_kernel);

	TEST_ASSERT_VAL("wrong exclude_hv", evsel->attr.exclude_hv);

	TEST_ASSERT_VAL("wrong precise_ip", evsel->attr.precise_ip);

	TEST_ASSERT_VAL("wrong pinned", evsel->attr.pinned);



	return test__checkevent_symbolic_name(evlist);

}



static int test__pinned_group(struct perf_evlist *evlist)

{

	struct perf_evsel *evsel, *leader;



	TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->nr_entries);



	/* cycles - group leader */

	evsel = leader = perf_evlist__first(evlist);

	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);

	TEST_ASSERT_VAL("wrong config",

			PERF_COUNT_HW_CPU_CYCLES == evsel->attr.config);

	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);

	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);

	TEST_ASSERT_VAL("wrong pinned", evsel->attr.pinned);



	/* cache-misses - can not be pinned, but will go on with the leader */

	evsel = perf_evsel__next(evsel);

	TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type);

	TEST_ASSERT_VAL("wrong config",

			PERF_COUNT_HW_CACHE_MISSES == evsel->attr.config);

	TEST_ASSERT_VAL("wrong pinned", !evsel->attr.pinned);



	/* branch-misses - ditto */

	evsel = perf_evsel__next(evsel);

	TEST_ASSERT_VAL("wrong config",

			PERF_COUNT_HW_BRANCH_MISSES == evsel->attr.config);

	TEST_ASSERT_VAL("wrong pinned", !evsel->attr.pinned);



	return 0;

}



static int count_tracepoints(void)

{

	char events_path[PATH_MAX];
@@ -1294,6 +1339,14 @@ static struct evlist_test test__events[] = { 
		.name  = "{instructions,branch-misses}:Su",

		.check = test__leader_sample2,

	},

	[40] = {

		.name  = "instructions:uDp",

		.check = test__checkevent_pinned_modifier,

	},

	[41] = {

		.name  = "{cycles,cache-misses,branch-misses}:D",

		.check = test__pinned_group,

	},

};



static struct evlist_test test__events_pmu[] = {