1 #include <linux/kernel.h>
2 #include <linux/types.h>
12 static int process_event(struct evlist **pevlist, union perf_event *event)
14 struct perf_sample sample;
16 if (event->header.type == PERF_RECORD_HEADER_ATTR) {
17 if (perf_event__process_attr(NULL, event, pevlist)) {
18 pr_debug("perf_event__process_attr failed\n");
24 if (event->header.type >= PERF_RECORD_USER_TYPE_START)
30 if (evlist__parse_sample(*pevlist, event, &sample)) {
31 pr_debug("evlist__parse_sample failed\n");
38 static int process_events(union perf_event **events, size_t count)
40 struct evlist *evlist = NULL;
44 for (i = 0; i < count && !err; i++)
45 err = process_event(&evlist, events[i]);
47 evlist__delete(evlist);
52 struct test_attr_event {
53 struct perf_event_header header;
54 struct perf_event_attr attr;
59 * test__parse_no_sample_id_all - test parsing with no sample_id_all bit set.
61 * This function tests parsing data produced on kernel's that do not support the
62 * sample_id_all bit. Without the sample_id_all bit, non-sample events (such as
63 * mmap events) do not have an id sample appended, and consequently logic
64 * designed to determine the id will not work. That case happens when there is
65 * more than one selected event, so this test processes three events: 2
66 * attributes representing the selected events and one mmap event.
68 * Return: %0 on success, %-1 if the test fails.
70 static int test__parse_no_sample_id_all(struct test_suite *test __maybe_unused,
71 int subtest __maybe_unused)
75 struct test_attr_event event1 = {
77 .type = PERF_RECORD_HEADER_ATTR,
78 .size = sizeof(struct test_attr_event),
82 struct test_attr_event event2 = {
84 .type = PERF_RECORD_HEADER_ATTR,
85 .size = sizeof(struct test_attr_event),
89 struct perf_record_mmap event3 = {
91 .type = PERF_RECORD_MMAP,
92 .size = sizeof(struct perf_record_mmap),
95 union perf_event *events[] = {
96 (union perf_event *)&event1,
97 (union perf_event *)&event2,
98 (union perf_event *)&event3,
101 err = process_events(events, ARRAY_SIZE(events));
108 DEFINE_SUITE("Parse with no sample_id_all bit set", parse_no_sample_id_all);