From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 20:49:45 +0200 Subject: Adding upstream version 6.1.76. Signed-off-by: Daniel Baumann --- tools/perf/tests/parse-no-sample-id-all.c | 108 ++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 tools/perf/tests/parse-no-sample-id-all.c (limited to 'tools/perf/tests/parse-no-sample-id-all.c') diff --git a/tools/perf/tests/parse-no-sample-id-all.c b/tools/perf/tests/parse-no-sample-id-all.c new file mode 100644 index 000000000..d62e31595 --- /dev/null +++ b/tools/perf/tests/parse-no-sample-id-all.c @@ -0,0 +1,108 @@ +#include +#include +#include + +#include "tests.h" + +#include "event.h" +#include "evlist.h" +#include "header.h" +#include "debug.h" + +static int process_event(struct evlist **pevlist, union perf_event *event) +{ + struct perf_sample sample; + + if (event->header.type == PERF_RECORD_HEADER_ATTR) { + if (perf_event__process_attr(NULL, event, pevlist)) { + pr_debug("perf_event__process_attr failed\n"); + return -1; + } + return 0; + } + + if (event->header.type >= PERF_RECORD_USER_TYPE_START) + return -1; + + if (!*pevlist) + return -1; + + if (evlist__parse_sample(*pevlist, event, &sample)) { + pr_debug("evlist__parse_sample failed\n"); + return -1; + } + + return 0; +} + +static int process_events(union perf_event **events, size_t count) +{ + struct evlist *evlist = NULL; + int err = 0; + size_t i; + + for (i = 0; i < count && !err; i++) + err = process_event(&evlist, events[i]); + + evlist__delete(evlist); + + return err; +} + +struct test_attr_event { + struct perf_event_header header; + struct perf_event_attr attr; + u64 id; +}; + +/** + * test__parse_no_sample_id_all - test parsing with no sample_id_all bit set. + * + * This function tests parsing data produced on kernel's that do not support the + * sample_id_all bit. Without the sample_id_all bit, non-sample events (such as + * mmap events) do not have an id sample appended, and consequently logic + * designed to determine the id will not work. That case happens when there is + * more than one selected event, so this test processes three events: 2 + * attributes representing the selected events and one mmap event. + * + * Return: %0 on success, %-1 if the test fails. + */ +static int test__parse_no_sample_id_all(struct test_suite *test __maybe_unused, + int subtest __maybe_unused) +{ + int err; + + struct test_attr_event event1 = { + .header = { + .type = PERF_RECORD_HEADER_ATTR, + .size = sizeof(struct test_attr_event), + }, + .id = 1, + }; + struct test_attr_event event2 = { + .header = { + .type = PERF_RECORD_HEADER_ATTR, + .size = sizeof(struct test_attr_event), + }, + .id = 2, + }; + struct perf_record_mmap event3 = { + .header = { + .type = PERF_RECORD_MMAP, + .size = sizeof(struct perf_record_mmap), + }, + }; + union perf_event *events[] = { + (union perf_event *)&event1, + (union perf_event *)&event2, + (union perf_event *)&event3, + }; + + err = process_events(events, ARRAY_SIZE(events)); + if (err) + return -1; + + return 0; +} + +DEFINE_SUITE("Parse with no sample_id_all bit set", parse_no_sample_id_all); -- cgit v1.2.3