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/debug.h"
  18 #include <subcmd/parse-options.h>
  19
  20 static bool desc_flag = true;
  21
  22 int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
  23 {
  24         int i;
  25         bool raw_dump = false;
  26         bool long_desc_flag = false;
  27         struct option list_options[] = {
  28                 OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
  29                 OPT_BOOLEAN('d', "desc", &desc_flag,
  30                             "Print extra event descriptions. --no-desc to not print."),
  31                 OPT_BOOLEAN('v', "long-desc", &long_desc_flag,
  32                             "Print longer event descriptions."),
  33                 OPT_INCR(0, "debug", &verbose,
  34                              "Enable debugging output"),
  35                 OPT_END()
  36         };
  37         const char * const list_usage[] = {
  38                 "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]",
  39                 NULL
  40         };
  41
  42         set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
  43
  44         argc = parse_options(argc, argv, list_options, list_usage,
  45                              PARSE_OPT_STOP_AT_NON_OPTION);
  46
  47         setup_pager();
  48
  49         if (!raw_dump && pager_in_use())
  50                 printf("\nList of pre-defined events (to be used in -e):\n\n");
  51
  52         if (argc == 0) {
  53                 print_events(NULL, raw_dump, !desc_flag, long_desc_flag);
  54                 return 0;
  55         }
  56
  57         for (i = 0; i < argc; ++i) {
  58                 char *sep, *s;
  59
  60                 if (strcmp(argv[i], "tracepoint") == 0)
  61                         print_tracepoint_events(NULL, NULL, raw_dump);
  62                 else if (strcmp(argv[i], "hw") == 0 ||
  63                          strcmp(argv[i], "hardware") == 0)
  64                         print_symbol_events(NULL, PERF_TYPE_HARDWARE,
  65                                         event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
  66                 else if (strcmp(argv[i], "sw") == 0 ||
  67                          strcmp(argv[i], "software") == 0)
  68                         print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
  69                                         event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
  70                 else if (strcmp(argv[i], "cache") == 0 ||
  71                          strcmp(argv[i], "hwcache") == 0)
  72                         print_hwcache_events(NULL, raw_dump);
  73                 else if (strcmp(argv[i], "pmu") == 0)
  74                         print_pmu_events(NULL, raw_dump, !desc_flag,
  75                                                 long_desc_flag);
  76                 else if (strcmp(argv[i], "sdt") == 0)
  77                         print_sdt_events(NULL, NULL, raw_dump);
  78                 else if ((sep = strchr(argv[i], ':')) != NULL) {
  79                         int sep_idx;
  80
  81                         if (sep == NULL) {
  82                                 print_events(argv[i], raw_dump, !desc_flag,
  83                                                         long_desc_flag);
  84                                 continue;
  85                         }
  86                         sep_idx = sep - argv[i];
  87                         s = strdup(argv[i]);
  88                         if (s == NULL)
  89                                 return -1;
  90
  91                         s[sep_idx] = '\0';
  92                         print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
  93                         print_sdt_events(s, s + sep_idx + 1, raw_dump);
  94                         free(s);
  95                 } else {
  96                         if (asprintf(&s, "*%s*", argv[i]) < 0) {
  97                                 printf("Critical: Not enough memory! Trying to continue...\n");
  98                                 continue;
  99                         }
 100                         print_symbol_events(s, PERF_TYPE_HARDWARE,
 101                                             event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
 102                         print_symbol_events(s, PERF_TYPE_SOFTWARE,
 103                                             event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
 104                         print_hwcache_events(s, raw_dump);
 105                         print_pmu_events(s, raw_dump, !desc_flag,
 106                                                 long_desc_flag);
 107                         print_tracepoint_events(NULL, s, raw_dump);
 108                         print_sdt_events(NULL, s, raw_dump);
 109                         free(s);
 110                 }
 111         }
 112         return 0;
 113 }