Greg Kroah-Hartman | b244131 | 2017-11-01 15:07:57 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 2 | /* |
| 3 | * Builtin evlist command: Show the list of event selectors present |
| 4 | * in a perf.data file. |
| 5 | */ |
| 6 | #include "builtin.h" |
| 7 | |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 8 | #include <linux/list.h> |
| 9 | |
| 10 | #include "perf.h" |
| 11 | #include "util/evlist.h" |
| 12 | #include "util/evsel.h" |
Arnaldo Carvalho de Melo | ca12527 | 2019-09-24 15:41:51 -0300 | [diff] [blame] | 13 | #include "util/evsel_fprintf.h" |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 14 | #include "util/parse-events.h" |
Josh Poimboeuf | 4b6ab94 | 2015-12-15 09:39:39 -0600 | [diff] [blame] | 15 | #include <subcmd/parse-options.h> |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 16 | #include "util/session.h" |
Jiri Olsa | f5fc1412 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 17 | #include "util/data.h" |
Jiri Olsa | 84f5d36 | 2014-07-14 23:46:48 +0200 | [diff] [blame] | 18 | #include "util/debug.h" |
Mamatha Inamdar | 6ef81c5 | 2019-08-22 12:50:49 +0530 | [diff] [blame] | 19 | #include <linux/err.h> |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 20 | |
Feng Tang | 70cb4e9 | 2012-10-30 11:56:02 +0800 | [diff] [blame] | 21 | static int __cmd_evlist(const char *file_name, struct perf_attr_details *details) |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 22 | { |
| 23 | struct perf_session *session; |
Jiri Olsa | 32dcd02 | 2019-07-21 13:23:51 +0200 | [diff] [blame] | 24 | struct evsel *pos; |
Jiri Olsa | 8ceb41d | 2017-01-23 22:07:59 +0100 | [diff] [blame] | 25 | struct perf_data data = { |
Jiri Olsa | 2d4f279 | 2019-02-21 10:41:30 +0100 | [diff] [blame] | 26 | .path = file_name, |
Jiri Olsa | eae8ad8 | 2017-01-23 22:25:41 +0100 | [diff] [blame] | 27 | .mode = PERF_DATA_MODE_READ, |
| 28 | .force = details->force, |
Jiri Olsa | f5fc1412 | 2013-10-15 16:27:32 +0200 | [diff] [blame] | 29 | }; |
Namhyung Kim | 775d8a1 | 2016-01-07 09:12:29 +0900 | [diff] [blame] | 30 | bool has_tracepoint = false; |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 31 | |
Jiri Olsa | 8ceb41d | 2017-01-23 22:07:59 +0100 | [diff] [blame] | 32 | session = perf_session__new(&data, 0, NULL); |
Mamatha Inamdar | 6ef81c5 | 2019-08-22 12:50:49 +0530 | [diff] [blame] | 33 | if (IS_ERR(session)) |
| 34 | return PTR_ERR(session); |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 35 | |
Arnaldo Carvalho de Melo | e5cadb9 | 2016-06-23 11:26:15 -0300 | [diff] [blame] | 36 | evlist__for_each_entry(session->evlist, pos) { |
Arnaldo Carvalho de Melo | 2dbfc94 | 2020-05-06 13:00:39 -0300 | [diff] [blame] | 37 | evsel__fprintf(pos, details, stdout); |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 38 | |
Jiri Olsa | 1fc632c | 2019-07-21 13:24:29 +0200 | [diff] [blame] | 39 | if (pos->core.attr.type == PERF_TYPE_TRACEPOINT) |
Namhyung Kim | 775d8a1 | 2016-01-07 09:12:29 +0900 | [diff] [blame] | 40 | has_tracepoint = true; |
| 41 | } |
| 42 | |
| 43 | if (has_tracepoint && !details->trace_fields) |
| 44 | printf("# Tip: use 'perf evlist --trace-fields' to show fields for tracepoint events\n"); |
| 45 | |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 46 | perf_session__delete(session); |
| 47 | return 0; |
| 48 | } |
| 49 | |
Arnaldo Carvalho de Melo | b0ad8ea | 2017-03-27 11:47:20 -0300 | [diff] [blame] | 50 | int cmd_evlist(int argc, const char **argv) |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 51 | { |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 52 | struct perf_attr_details details = { .verbose = false, }; |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 53 | const struct option options[] = { |
Arnaldo Carvalho de Melo | 94d668d | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 54 | OPT_STRING('i', "input", &input_name, "file", "Input file name"), |
| 55 | OPT_BOOLEAN('F', "freq", &details.freq, "Show the sample frequency"), |
| 56 | OPT_BOOLEAN('v', "verbose", &details.verbose, |
| 57 | "Show all event attr details"), |
Arnaldo Carvalho de Melo | e35ef355 | 2013-02-06 17:20:02 -0300 | [diff] [blame] | 58 | OPT_BOOLEAN('g', "group", &details.event_group, |
Namhyung Kim | e6ab07d | 2013-01-22 18:09:47 +0900 | [diff] [blame] | 59 | "Show event group information"), |
Yunlong Song | 9e3b6ec | 2015-04-02 21:47:10 +0800 | [diff] [blame] | 60 | OPT_BOOLEAN('f', "force", &details.force, "don't complain, do it"), |
Namhyung Kim | 775d8a1 | 2016-01-07 09:12:29 +0900 | [diff] [blame] | 61 | OPT_BOOLEAN(0, "trace-fields", &details.trace_fields, "Show tracepoint fields"), |
Arnaldo Carvalho de Melo | 94d668d | 2012-10-01 15:20:58 -0300 | [diff] [blame] | 62 | OPT_END() |
| 63 | }; |
| 64 | const char * const evlist_usage[] = { |
| 65 | "perf evlist [<options>]", |
| 66 | NULL |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 67 | }; |
| 68 | |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 69 | argc = parse_options(argc, argv, options, evlist_usage, 0); |
| 70 | if (argc) |
| 71 | usage_with_options(evlist_usage, options); |
| 72 | |
Arnaldo Carvalho de Melo | e35ef355 | 2013-02-06 17:20:02 -0300 | [diff] [blame] | 73 | if (details.event_group && (details.verbose || details.freq)) { |
Namhyung Kim | c711836 | 2015-10-25 00:49:27 +0900 | [diff] [blame] | 74 | usage_with_options_msg(evlist_usage, options, |
| 75 | "--group option is not compatible with other options\n"); |
Namhyung Kim | e6ab07d | 2013-01-22 18:09:47 +0900 | [diff] [blame] | 76 | } |
| 77 | |
Arnaldo Carvalho de Melo | 26252ea | 2012-05-22 14:30:11 -0300 | [diff] [blame] | 78 | return __cmd_evlist(input_name, &details); |
Arnaldo Carvalho de Melo | 43adec9 | 2011-03-15 11:04:13 -0300 | [diff] [blame] | 79 | } |