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Commit 92d424ae authored by Kan Liang's avatar Kan Liang Committed by Arnaldo Carvalho de Melo
Browse files

perf test: Add entry for hists socket filter 



Add test case for hists socket filter.

Signed-off-by: default avatarKan Liang <kan.liang@intel.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1441377946-44429-5-git-send-email-kan.liang@intel.com


Signed-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent 84734b06

tools/perf/tests/hists_filter.c

+45 −10
Original line number Diff line number Diff line
@@ -16,30 +16,31 @@ struct sample { 
	struct thread *thread;

	struct map *map;

	struct symbol *sym;

	int socket;

};



/* For the numbers, see hists_common.c */

static struct sample fake_samples[] = {

	/* perf [kernel] schedule() */

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, },

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_KERNEL_SCHEDULE, .socket = 0 },

	/* perf [perf]   main() */

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, },

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_PERF_MAIN, .socket = 0 },

	/* perf [libc]   malloc() */

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, },

	{ .pid = FAKE_PID_PERF1, .ip = FAKE_IP_LIBC_MALLOC, .socket = 0 },

	/* perf [perf]   main() */

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, }, /* will be merged */

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_MAIN, .socket = 0 }, /* will be merged */

	/* perf [perf]   cmd_record() */

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, },

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_PERF_CMD_RECORD, .socket = 1 },

	/* perf [kernel] page_fault() */

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, },

	{ .pid = FAKE_PID_PERF2, .ip = FAKE_IP_KERNEL_PAGE_FAULT, .socket = 1 },

	/* bash [bash]   main() */

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_MAIN, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_MAIN, .socket = 2 },

	/* bash [bash]   xmalloc() */

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_XMALLOC, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_BASH_XMALLOC, .socket = 2 },

	/* bash [libc]   malloc() */

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_LIBC_MALLOC, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_LIBC_MALLOC, .socket = 3 },

	/* bash [kernel] page_fault() */

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_KERNEL_PAGE_FAULT, },

	{ .pid = FAKE_PID_BASH,  .ip = FAKE_IP_KERNEL_PAGE_FAULT, .socket = 3 },

};



static int add_hist_entries(struct perf_evlist *evlist,
@@ -83,6 +84,7 @@ static int add_hist_entries(struct perf_evlist *evlist, 
							  &sample) < 0)

				goto out;



			al.socket = fake_samples[i].socket;

			if (hist_entry_iter__add(&iter, &al,

						 PERF_MAX_STACK_DEPTH, NULL) < 0) {

				addr_location__put(&al);
@@ -253,6 +255,39 @@ int test__hists_filter(void) 
		TEST_ASSERT_VAL("Unmatched total period for symbol filter",

				hists->stats.total_non_filtered_period == 300);



		/* remove symbol filter first */

		hists->symbol_filter_str = NULL;

		hists__filter_by_symbol(hists);



		/* now applying socket filters */

		hists->socket_filter = 2;

		hists__filter_by_socket(hists);



		if (verbose > 2) {

			pr_info("Histogram for socket filters\n");

			print_hists_out(hists);

		}



		/* normal stats should be invariant */

		TEST_ASSERT_VAL("Invalid nr samples",

				hists->stats.nr_events[PERF_RECORD_SAMPLE] == 10);

		TEST_ASSERT_VAL("Invalid nr hist entries",

				hists->nr_entries == 9);

		TEST_ASSERT_VAL("Invalid total period",

				hists->stats.total_period == 1000);



		/* but filter stats are changed */

		TEST_ASSERT_VAL("Unmatched nr samples for socket filter",

				hists->stats.nr_non_filtered_samples == 2);

		TEST_ASSERT_VAL("Unmatched nr hist entries for socket filter",

				hists->nr_non_filtered_entries == 2);

		TEST_ASSERT_VAL("Unmatched total period for socket filter",

				hists->stats.total_non_filtered_period == 200);



		/* remove socket filter first */

		hists->socket_filter = -1;

		hists__filter_by_socket(hists);



		/* now applying all filters at once. */

		hists->thread_filter = fake_samples[1].thread;

		hists->dso_filter = fake_samples[1].map->dso;