Merge commit 'v2.6.39-rc7' into perf/core
[linux-2.6.git] / tools / perf / builtin-evlist.c
1 /*
2  * Builtin evlist command: Show the list of event selectors present
3  * in a perf.data file.
4  */
5 #include "builtin.h"
6
7 #include "util/util.h"
8
9 #include <linux/list.h>
10
11 #include "perf.h"
12 #include "util/evlist.h"
13 #include "util/evsel.h"
14 #include "util/parse-events.h"
15 #include "util/parse-options.h"
16 #include "util/session.h"
17
18 static char const *input_name = "perf.data";
19
20 static int __cmd_evlist(void)
21 {
22         struct perf_session *session;
23         struct perf_evsel *pos;
24
25         session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
26         if (session == NULL)
27                 return -ENOMEM;
28
29         list_for_each_entry(pos, &session->evlist->entries, node)
30                 printf("%s\n", event_name(pos));
31
32         perf_session__delete(session);
33         return 0;
34 }
35
36 static const char * const evlist_usage[] = {
37         "perf evlist [<options>]",
38         NULL
39 };
40
41 static const struct option options[] = {
42         OPT_STRING('i', "input", &input_name, "file",
43                     "input file name"),
44         OPT_END()
45 };
46
47 int cmd_evlist(int argc, const char **argv, const char *prefix __used)
48 {
49         argc = parse_options(argc, argv, options, evlist_usage, 0);
50         if (argc)
51                 usage_with_options(evlist_usage, options);
52
53         return __cmd_evlist();
54 }