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 | |
ab6526b2 ACM |
9 | #ifndef O_DIRECTORY |
10 | #define O_DIRECTORY 00200000 | |
11 | #endif | |
12 | #ifndef AT_FDCWD | |
13 | #define AT_FDCWD -100 | |
14 | #endif | |
15 | ||
721a1f53 | 16 | int test__syscall_openat_tp_fields(int subtest __maybe_unused) |
dc447eed | 17 | { |
b4006796 | 18 | struct record_opts opts = { |
dc447eed JO |
19 | .target = { |
20 | .uid = UINT_MAX, | |
21 | .uses_mmap = true, | |
22 | }, | |
509051ea ACM |
23 | .no_buffering = true, |
24 | .freq = 1, | |
25 | .mmap_pages = 256, | |
26 | .raw_samples = true, | |
dc447eed JO |
27 | }; |
28 | const char *filename = "/etc/passwd"; | |
29 | int flags = O_RDONLY | O_DIRECTORY; | |
334fe7a3 | 30 | struct perf_evlist *evlist = perf_evlist__new(); |
dc447eed JO |
31 | struct perf_evsel *evsel; |
32 | int err = -1, i, nr_events = 0, nr_polls = 0; | |
ba3dfff8 | 33 | char sbuf[STRERR_BUFSIZE]; |
dc447eed JO |
34 | |
35 | if (evlist == NULL) { | |
36 | pr_debug("%s: perf_evlist__new\n", __func__); | |
37 | goto out; | |
38 | } | |
39 | ||
43f322b4 | 40 | evsel = perf_evsel__newtp("syscalls", "sys_enter_openat"); |
8dd2a131 | 41 | if (IS_ERR(evsel)) { |
dc447eed JO |
42 | pr_debug("%s: perf_evsel__newtp\n", __func__); |
43 | goto out_delete_evlist; | |
44 | } | |
45 | ||
46 | perf_evlist__add(evlist, evsel); | |
47 | ||
48 | err = perf_evlist__create_maps(evlist, &opts.target); | |
49 | if (err < 0) { | |
50 | pr_debug("%s: perf_evlist__create_maps\n", __func__); | |
51 | goto out_delete_evlist; | |
52 | } | |
53 | ||
e68ae9cf | 54 | perf_evsel__config(evsel, &opts, NULL); |
dc447eed | 55 | |
e13798c7 | 56 | thread_map__set_pid(evlist->threads, 0, getpid()); |
dc447eed JO |
57 | |
58 | err = perf_evlist__open(evlist); | |
59 | if (err < 0) { | |
ba3dfff8 | 60 | pr_debug("perf_evlist__open: %s\n", |
c8b5f2c9 | 61 | str_error_r(errno, sbuf, sizeof(sbuf))); |
03ad9747 | 62 | goto out_delete_evlist; |
dc447eed JO |
63 | } |
64 | ||
65 | err = perf_evlist__mmap(evlist, UINT_MAX, false); | |
66 | if (err < 0) { | |
ba3dfff8 | 67 | pr_debug("perf_evlist__mmap: %s\n", |
c8b5f2c9 | 68 | str_error_r(errno, sbuf, sizeof(sbuf))); |
f26e1c7c | 69 | goto out_delete_evlist; |
dc447eed JO |
70 | } |
71 | ||
72 | perf_evlist__enable(evlist); | |
73 | ||
74 | /* | |
75 | * Generate the event: | |
76 | */ | |
43f322b4 | 77 | openat(AT_FDCWD, filename, flags); |
dc447eed JO |
78 | |
79 | while (1) { | |
80 | int before = nr_events; | |
81 | ||
82 | for (i = 0; i < evlist->nr_mmaps; i++) { | |
83 | union perf_event *event; | |
84 | ||
85 | while ((event = perf_evlist__mmap_read(evlist, i)) != NULL) { | |
86 | const u32 type = event->header.type; | |
87 | int tp_flags; | |
88 | struct perf_sample sample; | |
89 | ||
90 | ++nr_events; | |
91 | ||
8e50d384 ZZ |
92 | if (type != PERF_RECORD_SAMPLE) { |
93 | perf_evlist__mmap_consume(evlist, i); | |
dc447eed | 94 | continue; |
8e50d384 | 95 | } |
dc447eed JO |
96 | |
97 | err = perf_evsel__parse_sample(evsel, event, &sample); | |
98 | if (err) { | |
87191383 | 99 | pr_debug("Can't parse sample, err = %d\n", err); |
983874d1 | 100 | goto out_delete_evlist; |
dc447eed JO |
101 | } |
102 | ||
103 | tp_flags = perf_evsel__intval(evsel, &sample, "flags"); | |
104 | ||
105 | if (flags != tp_flags) { | |
106 | pr_debug("%s: Expected flags=%#x, got %#x\n", | |
107 | __func__, flags, tp_flags); | |
983874d1 | 108 | goto out_delete_evlist; |
dc447eed JO |
109 | } |
110 | ||
111 | goto out_ok; | |
112 | } | |
113 | } | |
114 | ||
115 | if (nr_events == before) | |
f66a889d | 116 | perf_evlist__poll(evlist, 10); |
dc447eed JO |
117 | |
118 | if (++nr_polls > 5) { | |
119 | pr_debug("%s: no events!\n", __func__); | |
983874d1 | 120 | goto out_delete_evlist; |
dc447eed JO |
121 | } |
122 | } | |
123 | out_ok: | |
124 | err = 0; | |
dc447eed JO |
125 | out_delete_evlist: |
126 | perf_evlist__delete(evlist); | |
127 | out: | |
128 | return err; | |
129 | } |