linux-kernel - [PATCH 5/5] perf,test: test hists socket filter

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Message-Id: <1441377946-44429-5-git-send-email-kan.liang@intel.com>
Date:	Fri,  4 Sep 2015 10:45:46 -0400
From:	kan.liang@...el.com
To:	acme@...nel.org
Cc:	jolsa@...nel.org, namhyung@...nel.org, adrian.hunter@...el.com,
	eranian@...gle.com, ak@...ux.intel.com,
	linux-kernel@...r.kernel.org, Kan Liang <kan.liang@...el.com>
Subject: [PATCH 5/5] perf,test: test hists socket filter

From: Kan Liang <kan.liang@...el.com>

Add test case for hists socket filter.

Signed-off-by: Kan Liang <kan.liang@...el.com>
---
 tools/perf/tests/hists_filter.c | 55 +++++++++++++++++++++++++++++++++--------
 1 file changed, 45 insertions(+), 10 deletions(-)

diff --git a/tools/perf/tests/hists_filter.c b/tools/perf/tests/hists_filter.c
index ce48775..818acf8 100644
--- a/tools/perf/tests/hists_filter.c
+++ b/tools/perf/tests/hists_filter.c
@@ -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;
-- 
1.8.3.1

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