1 // SPDX-License-Identifier: GPL-2.0
9 #include "thread_map.h"
15 #define O_DIRECTORY 00200000
21 int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest __maybe_unused)
23 struct record_opts opts = {
33 const char *filename = "/etc/passwd";
34 int flags = O_RDONLY | O_DIRECTORY;
35 struct perf_evlist *evlist = perf_evlist__new();
36 struct perf_evsel *evsel;
37 int err = -1, i, nr_events = 0, nr_polls = 0;
38 char sbuf[STRERR_BUFSIZE];
41 pr_debug("%s: perf_evlist__new\n", __func__);
45 evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
47 pr_debug("%s: perf_evsel__newtp\n", __func__);
48 goto out_delete_evlist;
51 perf_evlist__add(evlist, evsel);
53 err = perf_evlist__create_maps(evlist, &opts.target);
55 pr_debug("%s: perf_evlist__create_maps\n", __func__);
56 goto out_delete_evlist;
59 perf_evsel__config(evsel, &opts, NULL);
61 thread_map__set_pid(evlist->threads, 0, getpid());
63 err = perf_evlist__open(evlist);
65 pr_debug("perf_evlist__open: %s\n",
66 str_error_r(errno, sbuf, sizeof(sbuf)));
67 goto out_delete_evlist;
70 err = perf_evlist__mmap(evlist, UINT_MAX);
72 pr_debug("perf_evlist__mmap: %s\n",
73 str_error_r(errno, sbuf, sizeof(sbuf)));
74 goto out_delete_evlist;
77 perf_evlist__enable(evlist);
82 openat(AT_FDCWD, filename, flags);
85 int before = nr_events;
87 for (i = 0; i < evlist->nr_mmaps; i++) {
88 union perf_event *event;
91 md = &evlist->mmap[i];
92 if (perf_mmap__read_init(md) < 0)
95 while ((event = perf_mmap__read_event(md)) != NULL) {
96 const u32 type = event->header.type;
98 struct perf_sample sample;
102 if (type != PERF_RECORD_SAMPLE) {
103 perf_mmap__consume(md);
107 err = perf_evsel__parse_sample(evsel, event, &sample);
109 pr_debug("Can't parse sample, err = %d\n", err);
110 goto out_delete_evlist;
113 tp_flags = perf_evsel__intval(evsel, &sample, "flags");
115 if (flags != tp_flags) {
116 pr_debug("%s: Expected flags=%#x, got %#x\n",
117 __func__, flags, tp_flags);
118 goto out_delete_evlist;
123 perf_mmap__read_done(md);
126 if (nr_events == before)
127 perf_evlist__poll(evlist, 10);
129 if (++nr_polls > 5) {
130 pr_debug("%s: no events!\n", __func__);
131 goto out_delete_evlist;
137 perf_evlist__delete(evlist);