LXR linux/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
  18static const char *input_name;
  19
  20static 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
  36static const char * const evlist_usage[] = {
  37        "perf evlist [<options>]",
  38        NULL
  39};
  40
  41static const struct option options[] = {
  42        OPT_STRING('i', "input", &input_name, "file",
  43                    "input file name"),
  44        OPT_END()
  45};
  46
  47int 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