LXR linux/tools/perf/builtin-list.c

   1/*
   2 * builtin-list.c
   3 *
   4 * Builtin list command: list all event types
   5 *
   6 * Copyright (C) 2009, Thomas Gleixner <tglx@linutronix.de>
   7 * Copyright (C) 2008-2009, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
   8 * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
   9 */
  10#include "builtin.h"
  11
  12#include "perf.h"
  13
  14#include "util/parse-events.h"
  15#include "util/cache.h"
  16#include "util/pmu.h"
  17#include "util/parse-options.h"
  18
  19int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
  20{
  21        int i;
  22        const struct option list_options[] = {
  23                OPT_END()
  24        };
  25        const char * const list_usage[] = {
  26                "perf list [hw|sw|cache|tracepoint|pmu|event_glob]",
  27                NULL
  28        };
  29
  30        argc = parse_options(argc, argv, list_options, list_usage,
  31                             PARSE_OPT_STOP_AT_NON_OPTION);
  32
  33        setup_pager();
  34
  35        if (argc == 0) {
  36                print_events(NULL, false);
  37                return 0;
  38        }
  39
  40        for (i = 0; i < argc; ++i) {
  41                if (i)
  42                        putchar('\n');
  43                if (strncmp(argv[i], "tracepoint", 10) == 0)
  44                        print_tracepoint_events(NULL, NULL, false);
  45                else if (strcmp(argv[i], "hw") == 0 ||
  46                         strcmp(argv[i], "hardware") == 0)
  47                        print_events_type(PERF_TYPE_HARDWARE);
  48                else if (strcmp(argv[i], "sw") == 0 ||
  49                         strcmp(argv[i], "software") == 0)
  50                        print_events_type(PERF_TYPE_SOFTWARE);
  51                else if (strcmp(argv[i], "cache") == 0 ||
  52                         strcmp(argv[i], "hwcache") == 0)
  53                        print_hwcache_events(NULL, false);
  54                else if (strcmp(argv[i], "pmu") == 0)
  55                        print_pmu_events(NULL, false);
  56                else if (strcmp(argv[i], "--raw-dump") == 0)
  57                        print_events(NULL, true);
  58                else {
  59                        char *sep = strchr(argv[i], ':'), *s;
  60                        int sep_idx;
  61
  62                        if (sep == NULL) {
  63                                print_events(argv[i], false);
  64                                continue;
  65                        }
  66                        sep_idx = sep - argv[i];
  67                        s = strdup(argv[i]);
  68                        if (s == NULL)
  69                                return -1;
  70
  71                        s[sep_idx] = '\0';
  72                        print_tracepoint_events(s, s + sep_idx + 1, false);
  73                        free(s);
  74                }
  75        }
  76        return 0;
  77}
  78