kernel/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
  19 int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
  20 {
  21         int i;
  22         bool raw_dump = false;
  23         struct option list_options[] = {
  24                 OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
  25                 OPT_END()
  26         };
  27         const char * const list_usage[] = {
  28                 "perf list [hw|sw|cache|tracepoint|pmu|event_glob]",
  29                 NULL
  30         };
  31
  32         set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
  33
  34         argc = parse_options(argc, argv, list_options, list_usage,
  35                              PARSE_OPT_STOP_AT_NON_OPTION);
  36
  37         setup_pager();
  38
  39         if (!raw_dump)
  40                 printf("\nList of pre-defined events (to be used in -e):\n\n");
  41
  42         if (argc == 0) {
  43                 print_events(NULL, raw_dump);
  44                 return 0;
  45         }
  46
  47         for (i = 0; i < argc; ++i) {
  48                 if (strcmp(argv[i], "tracepoint") == 0)
  49                         print_tracepoint_events(NULL, NULL, raw_dump);
  50                 else if (strcmp(argv[i], "hw") == 0 ||
  51                          strcmp(argv[i], "hardware") == 0)
  52                         print_symbol_events(NULL, PERF_TYPE_HARDWARE,
  53                                         event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
  54                 else if (strcmp(argv[i], "sw") == 0 ||
  55                          strcmp(argv[i], "software") == 0)
  56                         print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
  57                                         event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
  58                 else if (strcmp(argv[i], "cache") == 0 ||
  59                          strcmp(argv[i], "hwcache") == 0)
  60                         print_hwcache_events(NULL, raw_dump);
  61                 else if (strcmp(argv[i], "pmu") == 0)
  62                         print_pmu_events(NULL, raw_dump);
  63                 else {
  64                         char *sep = strchr(argv[i], ':'), *s;
  65                         int sep_idx;
  66
  67                         if (sep == NULL) {
  68                                 print_events(argv[i], raw_dump);
  69                                 continue;
  70                         }
  71                         sep_idx = sep - argv[i];
  72                         s = strdup(argv[i]);
  73                         if (s == NULL)
  74                                 return -1;
  75
  76                         s[sep_idx] = '\0';
  77                         print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
  78                         free(s);
  79                 }
  80         }
  81         return 0;
  82 }