perf test: Support PERF_SAMPLE_WEIGHT_STRUCT

Kan Liang · acmel · commit c7444297fd37 · 2021-02-08T16:25:00.000-03:00
Support the new sample type for sample-parsing test case. Signed-off-by: Kan Liang <kan.liang@linux.intel.com> Cc: Andi Kleen <ak@linux.intel.com> Cc: Jin Yao <yao.jin@linux.intel.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Stephane Eranian <eranian@google.com> Link: http://lore.kernel.org/lkml/1612296553-21962-8-git-send-email-kan.liang@linux.intel.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/tests/sample-parsing.c b/tools/perf/tests/sample-parsing.c
@@ -129,6 +129,9 @@ static bool samples_same(const struct perf_sample *s1,
 	if (type & PERF_SAMPLE_WEIGHT)
 		COMP(weight);
 
+	if (type & PERF_SAMPLE_WEIGHT_STRUCT)
+		COMP(ins_lat);
+
 	if (type & PERF_SAMPLE_DATA_SRC)
 		COMP(data_src);
 
@@ -242,6 +245,7 @@ static int do_test(u64 sample_type, u64 sample_regs, u64 read_format)
 		.cgroup		= 114,
 		.data_page_size = 115,
 		.code_page_size = 116,
+		.ins_lat        = 117,
 		.aux_sample	= {
 			.size	= sizeof(aux_data),
 			.data	= (void *)aux_data,
@@ -348,7 +352,7 @@ int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_u
 	 * were added.  Please actually update the test rather than just change
 	 * the condition below.
 	 */
-	if (PERF_SAMPLE_MAX > PERF_SAMPLE_CODE_PAGE_SIZE << 1) {
+	if (PERF_SAMPLE_MAX > PERF_SAMPLE_WEIGHT_STRUCT << 1) {
 		pr_debug("sample format has changed, some new PERF_SAMPLE_ bit was introduced - test needs updating\n");
 		return -1;
 	}
@@ -378,8 +382,12 @@ int test__sample_parsing(struct test *test __maybe_unused, int subtest __maybe_u
 			return err;
 	}
 
-	/* Test all sample format bits together */
-	sample_type = PERF_SAMPLE_MAX - 1;
+	/*
+	 * Test all sample format bits together
+	 * Note: PERF_SAMPLE_WEIGHT and PERF_SAMPLE_WEIGHT_STRUCT cannot
+	 *       be set simultaneously.
+	 */
+	sample_type = (PERF_SAMPLE_MAX - 1) & ~PERF_SAMPLE_WEIGHT;
 	sample_regs = 0x3fff; /* shared yb intr and user regs */
 	for (i = 0; i < ARRAY_SIZE(rf); i++) {
 		err = do_test(sample_type, sample_regs, rf[i]);
