1 // SPDX-License-Identifier: GPL-2.0
4 #include <linux/string.h>
10 #include "thread_map.h"
14 #include "util/mmap.h"
18 #define O_DIRECTORY 00200000
24 int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest __maybe_unused)
26 struct record_opts opts = {
36 const char *filename = "/etc/passwd";
37 int flags = O_RDONLY | O_DIRECTORY;
38 struct evlist *evlist = evlist__new();
40 int err = -1, i, nr_events = 0, nr_polls = 0;
41 char sbuf[STRERR_BUFSIZE];
44 pr_debug("%s: perf_evlist__new\n", __func__);
48 evsel = perf_evsel__newtp("syscalls", "sys_enter_openat");
50 pr_debug("%s: perf_evsel__newtp\n", __func__);
51 goto out_delete_evlist;
54 evlist__add(evlist, evsel);
56 err = perf_evlist__create_maps(evlist, &opts.target);
58 pr_debug("%s: perf_evlist__create_maps\n", __func__);
59 goto out_delete_evlist;
62 perf_evsel__config(evsel, &opts, NULL);
64 perf_thread_map__set_pid(evlist->core.threads, 0, getpid());
66 err = evlist__open(evlist);
68 pr_debug("perf_evlist__open: %s\n",
69 str_error_r(errno, sbuf, sizeof(sbuf)));
70 goto out_delete_evlist;
73 err = evlist__mmap(evlist, UINT_MAX);
75 pr_debug("evlist__mmap: %s\n",
76 str_error_r(errno, sbuf, sizeof(sbuf)));
77 goto out_delete_evlist;
80 evlist__enable(evlist);
85 openat(AT_FDCWD, filename, flags);
88 int before = nr_events;
90 for (i = 0; i < evlist->core.nr_mmaps; i++) {
91 union perf_event *event;
94 md = &evlist->mmap[i];
95 if (perf_mmap__read_init(md) < 0)
98 while ((event = perf_mmap__read_event(md)) != NULL) {
99 const u32 type = event->header.type;
101 struct perf_sample sample;
105 if (type != PERF_RECORD_SAMPLE) {
106 perf_mmap__consume(md);
110 err = perf_evsel__parse_sample(evsel, event, &sample);
112 pr_debug("Can't parse sample, err = %d\n", err);
113 goto out_delete_evlist;
116 tp_flags = perf_evsel__intval(evsel, &sample, "flags");
118 if (flags != tp_flags) {
119 pr_debug("%s: Expected flags=%#x, got %#x\n",
120 __func__, flags, tp_flags);
121 goto out_delete_evlist;
126 perf_mmap__read_done(md);
129 if (nr_events == before)
130 evlist__poll(evlist, 10);
132 if (++nr_polls > 5) {
133 pr_debug("%s: no events!\n", __func__);
134 goto out_delete_evlist;
140 evlist__delete(evlist);