1 // SPDX-License-Identifier: GPL-2.0
6 #include "thread_map.h"
12 #define O_DIRECTORY 00200000
18 int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest __maybe_unused)
20 struct record_opts opts = {
30 const char *filename = "/etc/passwd";
31 int flags = O_RDONLY | O_DIRECTORY;
32 struct perf_evlist *evlist = perf_evlist__new();
33 struct perf_evsel *evsel;
34 int err = -1, i, nr_events = 0, nr_polls = 0;
35 char sbuf[STRERR_BUFSIZE];
38 pr_debug("%s: perf_evlist__new\n", __func__);
42 evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
44 pr_debug("%s: perf_evsel__newtp\n", __func__);
45 goto out_delete_evlist;
48 perf_evlist__add(evlist, evsel);
50 err = perf_evlist__create_maps(evlist, &opts.target);
52 pr_debug("%s: perf_evlist__create_maps\n", __func__);
53 goto out_delete_evlist;
56 perf_evsel__config(evsel, &opts, NULL);
58 thread_map__set_pid(evlist->threads, 0, getpid());
60 err = perf_evlist__open(evlist);
62 pr_debug("perf_evlist__open: %s\n",
63 str_error_r(errno, sbuf, sizeof(sbuf)));
64 goto out_delete_evlist;
67 err = perf_evlist__mmap(evlist, UINT_MAX, false);
69 pr_debug("perf_evlist__mmap: %s\n",
70 str_error_r(errno, sbuf, sizeof(sbuf)));
71 goto out_delete_evlist;
74 perf_evlist__enable(evlist);
79 openat(AT_FDCWD, filename, flags);
82 int before = nr_events;
84 for (i = 0; i < evlist->nr_mmaps; i++) {
85 union perf_event *event;
87 while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) {
88 const u32 type = event->header.type;
90 struct perf_sample sample;
94 if (type != PERF_RECORD_SAMPLE) {
95 perf_evlist__mmap_consume(evlist, i);
99 err = perf_evsel__parse_sample(evsel, event, &sample);
101 pr_debug("Can't parse sample, err = %d\n", err);
102 goto out_delete_evlist;
105 tp_flags = perf_evsel__intval(evsel, &sample, "flags");
107 if (flags != tp_flags) {
108 pr_debug("%s: Expected flags=%#x, got %#x\n",
109 __func__, flags, tp_flags);
110 goto out_delete_evlist;
117 if (nr_events == before)
118 perf_evlist__poll(evlist, 10);
120 if (++nr_polls > 5) {
121 pr_debug("%s: no events!\n", __func__);
122 goto out_delete_evlist;
128 perf_evlist__delete(evlist);