1 // SPDX-License-Identifier: GPL-2.0
4 #include <linux/string.h>
10 #include "thread_map.h"
14 #include "util/mmap.h"
16 #include <perf/mmap.h>
19 #define O_DIRECTORY 00200000
25 int test__syscall_openat_tp_fields(struct test *test __maybe_unused, int subtest __maybe_unused)
27 struct record_opts opts = {
37 const char *filename = "/etc/passwd";
38 int flags = O_RDONLY | O_DIRECTORY;
39 struct evlist *evlist = evlist__new();
41 int err = -1, i, nr_events = 0, nr_polls = 0;
42 char sbuf[STRERR_BUFSIZE];
45 pr_debug("%s: perf_evlist__new\n", __func__);
49 evsel = evsel__newtp("syscalls", "sys_enter_openat");
51 pr_debug("%s: evsel__newtp\n", __func__);
52 goto out_delete_evlist;
55 evlist__add(evlist, evsel);
57 err = perf_evlist__create_maps(evlist, &opts.target);
59 pr_debug("%s: perf_evlist__create_maps\n", __func__);
60 goto out_delete_evlist;
63 evsel__config(evsel, &opts, NULL);
65 perf_thread_map__set_pid(evlist->core.threads, 0, getpid());
67 err = evlist__open(evlist);
69 pr_debug("perf_evlist__open: %s\n",
70 str_error_r(errno, sbuf, sizeof(sbuf)));
71 goto out_delete_evlist;
74 err = evlist__mmap(evlist, UINT_MAX);
76 pr_debug("evlist__mmap: %s\n",
77 str_error_r(errno, sbuf, sizeof(sbuf)));
78 goto out_delete_evlist;
81 evlist__enable(evlist);
86 openat(AT_FDCWD, filename, flags);
89 int before = nr_events;
91 for (i = 0; i < evlist->core.nr_mmaps; i++) {
92 union perf_event *event;
95 md = &evlist->mmap[i];
96 if (perf_mmap__read_init(&md->core) < 0)
99 while ((event = perf_mmap__read_event(&md->core)) != NULL) {
100 const u32 type = event->header.type;
102 struct perf_sample sample;
106 if (type != PERF_RECORD_SAMPLE) {
107 perf_mmap__consume(&md->core);
111 err = evsel__parse_sample(evsel, event, &sample);
113 pr_debug("Can't parse sample, err = %d\n", err);
114 goto out_delete_evlist;
117 tp_flags = evsel__intval(evsel, &sample, "flags");
119 if (flags != tp_flags) {
120 pr_debug("%s: Expected flags=%#x, got %#x\n",
121 __func__, flags, tp_flags);
122 goto out_delete_evlist;
127 perf_mmap__read_done(&md->core);
130 if (nr_events == before)
131 evlist__poll(evlist, 10);
133 if (++nr_polls > 5) {
134 pr_debug("%s: no events!\n", __func__);
135 goto out_delete_evlist;
141 evlist__delete(evlist);