1 // SPDX-License-Identifier: GPL-2.0
4 #include <linux/string.h>
10 #include "thread_map.h"
17 #define O_DIRECTORY 00200000
23 int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest __maybe_unused)
25 struct record_opts opts = {
35 const char *filename = "/etc/passwd";
36 int flags = O_RDONLY | O_DIRECTORY;
37 struct evlist *evlist = evlist__new();
39 int err = -1, i, nr_events = 0, nr_polls = 0;
40 char sbuf[STRERR_BUFSIZE];
43 pr_debug("%s: perf_evlist__new\n", __func__);
47 evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
49 pr_debug("%s: perf_evsel__newtp\n", __func__);
50 goto out_delete_evlist;
53 evlist__add(evlist, evsel);
55 err = perf_evlist__create_maps(evlist, &opts.target);
57 pr_debug("%s: perf_evlist__create_maps\n", __func__);
58 goto out_delete_evlist;
61 perf_evsel__config(evsel, &opts, NULL);
63 perf_thread_map__set_pid(evlist->core.threads, 0, getpid());
65 err = evlist__open(evlist);
67 pr_debug("perf_evlist__open: %s\n",
68 str_error_r(errno, sbuf, sizeof(sbuf)));
69 goto out_delete_evlist;
72 err = perf_evlist__mmap(evlist, UINT_MAX);
74 pr_debug("perf_evlist__mmap: %s\n",
75 str_error_r(errno, sbuf, sizeof(sbuf)));
76 goto out_delete_evlist;
79 evlist__enable(evlist);
84 openat(AT_FDCWD, filename, flags);
87 int before = nr_events;
89 for (i = 0; i < evlist->nr_mmaps; i++) {
90 union perf_event *event;
93 md = &evlist->mmap[i];
94 if (perf_mmap__read_init(md) < 0)
97 while ((event = perf_mmap__read_event(md)) != NULL) {
98 const u32 type = event->header.type;
100 struct perf_sample sample;
104 if (type != PERF_RECORD_SAMPLE) {
105 perf_mmap__consume(md);
109 err = perf_evsel__parse_sample(evsel, event, &sample);
111 pr_debug("Can't parse sample, err = %d\n", err);
112 goto out_delete_evlist;
115 tp_flags = perf_evsel__intval(evsel, &sample, "flags");
117 if (flags != tp_flags) {
118 pr_debug("%s: Expected flags=%#x, got %#x\n",
119 __func__, flags, tp_flags);
120 goto out_delete_evlist;
125 perf_mmap__read_done(md);
128 if (nr_events == before)
129 perf_evlist__poll(evlist, 10);
131 if (++nr_polls > 5) {
132 pr_debug("%s: no events!\n", __func__);
133 goto out_delete_evlist;
139 evlist__delete(evlist);