Commit | Line | Data |
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8dd2a131 | 1 | #include <linux/err.h> |
dc447eed JO |
2 | #include "perf.h" |
3 | #include "evlist.h" | |
4 | #include "evsel.h" | |
5 | #include "thread_map.h" | |
6 | #include "tests.h" | |
84f5d36f | 7 | #include "debug.h" |
dc447eed | 8 | |
721a1f53 | 9 | int test__syscall_openat_tp_fields(int subtest __maybe_unused) |
dc447eed | 10 | { |
b4006796 | 11 | struct record_opts opts = { |
dc447eed JO |
12 | .target = { |
13 | .uid = UINT_MAX, | |
14 | .uses_mmap = true, | |
15 | }, | |
509051ea ACM |
16 | .no_buffering = true, |
17 | .freq = 1, | |
18 | .mmap_pages = 256, | |
19 | .raw_samples = true, | |
dc447eed JO |
20 | }; |
21 | const char *filename = "/etc/passwd"; | |
22 | int flags = O_RDONLY | O_DIRECTORY; | |
334fe7a3 | 23 | struct perf_evlist *evlist = perf_evlist__new(); |
dc447eed JO |
24 | struct perf_evsel *evsel; |
25 | int err = -1, i, nr_events = 0, nr_polls = 0; | |
ba3dfff8 | 26 | char sbuf[STRERR_BUFSIZE]; |
dc447eed JO |
27 | |
28 | if (evlist == NULL) { | |
29 | pr_debug("%s: perf_evlist__new\n", __func__); | |
30 | goto out; | |
31 | } | |
32 | ||
43f322b4 | 33 | evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); |
8dd2a131 | 34 | if (IS_ERR(evsel)) { |
dc447eed JO |
35 | pr_debug("%s: perf_evsel__newtp\n", __func__); |
36 | goto out_delete_evlist; | |
37 | } | |
38 | ||
39 | perf_evlist__add(evlist, evsel); | |
40 | ||
41 | err = perf_evlist__create_maps(evlist, &opts.target); | |
42 | if (err < 0) { | |
43 | pr_debug("%s: perf_evlist__create_maps\n", __func__); | |
44 | goto out_delete_evlist; | |
45 | } | |
46 | ||
cac21425 | 47 | perf_evsel__config(evsel, &opts); |
dc447eed | 48 | |
e13798c7 | 49 | thread_map__set_pid(evlist->threads, 0, getpid()); |
dc447eed JO |
50 | |
51 | err = perf_evlist__open(evlist); | |
52 | if (err < 0) { | |
ba3dfff8 MH |
53 | pr_debug("perf_evlist__open: %s\n", |
54 | strerror_r(errno, sbuf, sizeof(sbuf))); | |
03ad9747 | 55 | goto out_delete_evlist; |
dc447eed JO |
56 | } |
57 | ||
58 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
59 | if (err < 0) { | |
ba3dfff8 MH |
60 | pr_debug("perf_evlist__mmap: %s\n", |
61 | strerror_r(errno, sbuf, sizeof(sbuf))); | |
f26e1c7c | 62 | goto out_delete_evlist; |
dc447eed JO |
63 | } |
64 | ||
65 | perf_evlist__enable(evlist); | |
66 | ||
67 | /* | |
68 | * Generate the event: | |
69 | */ | |
43f322b4 | 70 | openat(AT_FDCWD, filename, flags); |
dc447eed JO |
71 | |
72 | while (1) { | |
73 | int before = nr_events; | |
74 | ||
75 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
76 | union perf_event *event; | |
77 | ||
78 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
79 | const u32 type = event->header.type; | |
80 | int tp_flags; | |
81 | struct perf_sample sample; | |
82 | ||
83 | ++nr_events; | |
84 | ||
8e50d384 ZZ |
85 | if (type != PERF_RECORD_SAMPLE) { |
86 | perf_evlist__mmap_consume(evlist, i); | |
dc447eed | 87 | continue; |
8e50d384 | 88 | } |
dc447eed JO |
89 | |
90 | err = perf_evsel__parse_sample(evsel, event, &sample); | |
91 | if (err) { | |
87191383 | 92 | pr_debug("Can't parse sample, err = %d\n", err); |
983874d1 | 93 | goto out_delete_evlist; |
dc447eed JO |
94 | } |
95 | ||
96 | tp_flags = perf_evsel__intval(evsel, &sample, "flags"); | |
97 | ||
98 | if (flags != tp_flags) { | |
99 | pr_debug("%s: Expected flags=%#x, got %#x\n", | |
100 | __func__, flags, tp_flags); | |
983874d1 | 101 | goto out_delete_evlist; |
dc447eed JO |
102 | } |
103 | ||
104 | goto out_ok; | |
105 | } | |
106 | } | |
107 | ||
108 | if (nr_events == before) | |
f66a889d | 109 | perf_evlist__poll(evlist, 10); |
dc447eed JO |
110 | |
111 | if (++nr_polls > 5) { | |
112 | pr_debug("%s: no events!\n", __func__); | |
983874d1 | 113 | goto out_delete_evlist; |
dc447eed JO |
114 | } |
115 | } | |
116 | out_ok: | |
117 | err = 0; | |
dc447eed JO |
118 | out_delete_evlist: |
119 | perf_evlist__delete(evlist); | |
120 | out: | |
121 | return err; | |
122 | } |