Commit | Line | Data |
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b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
43adec95 ACM |
2 | /* |
3 | * Builtin evlist command: Show the list of event selectors present | |
4 | * in a perf.data file. | |
5 | */ | |
6 | #include "builtin.h" | |
7 | ||
43adec95 ACM |
8 | #include <linux/list.h> |
9 | ||
10 | #include "perf.h" | |
11 | #include "util/evlist.h" | |
12 | #include "util/evsel.h" | |
13 | #include "util/parse-events.h" | |
4b6ab94e | 14 | #include <subcmd/parse-options.h> |
43adec95 | 15 | #include "util/session.h" |
f5fc1412 | 16 | #include "util/data.h" |
84f5d36f | 17 | #include "util/debug.h" |
6ef81c55 | 18 | #include <linux/err.h> |
43adec95 | 19 | |
70cb4e96 | 20 | static int __cmd_evlist(const char *file_name, struct perf_attr_details *details) |
43adec95 ACM |
21 | { |
22 | struct perf_session *session; | |
32dcd021 | 23 | struct evsel *pos; |
8ceb41d7 | 24 | struct perf_data data = { |
2d4f2799 | 25 | .path = file_name, |
eae8ad80 JO |
26 | .mode = PERF_DATA_MODE_READ, |
27 | .force = details->force, | |
f5fc1412 | 28 | }; |
775d8a1b | 29 | bool has_tracepoint = false; |
43adec95 | 30 | |
8ceb41d7 | 31 | session = perf_session__new(&data, 0, NULL); |
6ef81c55 MI |
32 | if (IS_ERR(session)) |
33 | return PTR_ERR(session); | |
43adec95 | 34 | |
e5cadb93 | 35 | evlist__for_each_entry(session->evlist, pos) { |
0698aedd | 36 | perf_evsel__fprintf(pos, details, stdout); |
43adec95 | 37 | |
1fc632ce | 38 | if (pos->core.attr.type == PERF_TYPE_TRACEPOINT) |
775d8a1b NK |
39 | has_tracepoint = true; |
40 | } | |
41 | ||
42 | if (has_tracepoint && !details->trace_fields) | |
43 | printf("# Tip: use 'perf evlist --trace-fields' to show fields for tracepoint events\n"); | |
44 | ||
43adec95 ACM |
45 | perf_session__delete(session); |
46 | return 0; | |
47 | } | |
48 | ||
b0ad8ea6 | 49 | int cmd_evlist(int argc, const char **argv) |
43adec95 | 50 | { |
26252ea6 | 51 | struct perf_attr_details details = { .verbose = false, }; |
26252ea6 | 52 | const struct option options[] = { |
94d668d0 ACM |
53 | OPT_STRING('i', "input", &input_name, "file", "Input file name"), |
54 | OPT_BOOLEAN('F', "freq", &details.freq, "Show the sample frequency"), | |
55 | OPT_BOOLEAN('v', "verbose", &details.verbose, | |
56 | "Show all event attr details"), | |
e35ef355 | 57 | OPT_BOOLEAN('g', "group", &details.event_group, |
e6ab07d0 | 58 | "Show event group information"), |
9e3b6ec1 | 59 | OPT_BOOLEAN('f', "force", &details.force, "don't complain, do it"), |
775d8a1b | 60 | OPT_BOOLEAN(0, "trace-fields", &details.trace_fields, "Show tracepoint fields"), |
94d668d0 ACM |
61 | OPT_END() |
62 | }; | |
63 | const char * const evlist_usage[] = { | |
64 | "perf evlist [<options>]", | |
65 | NULL | |
26252ea6 ACM |
66 | }; |
67 | ||
43adec95 ACM |
68 | argc = parse_options(argc, argv, options, evlist_usage, 0); |
69 | if (argc) | |
70 | usage_with_options(evlist_usage, options); | |
71 | ||
e35ef355 | 72 | if (details.event_group && (details.verbose || details.freq)) { |
c7118369 NK |
73 | usage_with_options_msg(evlist_usage, options, |
74 | "--group option is not compatible with other options\n"); | |
e6ab07d0 NK |
75 | } |
76 | ||
26252ea6 | 77 | return __cmd_evlist(input_name, &details); |
43adec95 | 78 | } |