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 const char *input_name; 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 } 55