builtin-list.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * builtin-list.c
   4  *
   5  * Builtin list command: list all event types
   6  *
   7  * Copyright (C) 2009, Thomas Gleixner <tglx@linutronix.de>
   8  * Copyright (C) 2008-2009, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
   9  * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
  10  */
  11 #include "builtin.h"
  12
  13 #include "util/parse-events.h"
  14 #include "util/pmu.h"
  15 #include "util/debug.h"
  16 #include "util/metricgroup.h"
  17 #include <subcmd/pager.h>
  18 #include <subcmd/parse-options.h>
  19 #include <stdio.h>
  20
  21 static bool desc_flag = true;
  22 static bool details_flag;
  23
  24 int cmd_list(int argc, const char **argv)
  25 {
  26         int i;
  27         bool raw_dump = false;
  28         bool long_desc_flag = false;
  29         bool deprecated = false;
  30         struct option list_options[] = {
  31                 OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
  32                 OPT_BOOLEAN('d', "desc", &desc_flag,
  33                             "Print extra event descriptions. --no-desc to not print."),
  34                 OPT_BOOLEAN('v', "long-desc", &long_desc_flag,
  35                             "Print longer event descriptions."),
  36                 OPT_BOOLEAN(0, "details", &details_flag,
  37                             "Print information on the perf event names and expressions used internally by events."),
  38                 OPT_BOOLEAN(0, "deprecated", &deprecated,
  39                             "Print deprecated events."),
  40                 OPT_INCR(0, "debug", &verbose,
  41                              "Enable debugging output"),
  42                 OPT_END()
  43         };
  44         const char * const list_usage[] = {
  45                 "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|metric|metricgroup|event_glob]",
  46                 NULL
  47         };
  48
  49         set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
  50
  51         argc = parse_options(argc, argv, list_options, list_usage,
  52                              PARSE_OPT_STOP_AT_NON_OPTION);
  53
  54         setup_pager();
  55
  56         if (!raw_dump && pager_in_use())
  57                 printf("\nList of pre-defined events (to be used in -e):\n\n");
  58
  59         if (argc == 0) {
  60                 print_events(NULL, raw_dump, !desc_flag, long_desc_flag,
  61                                 details_flag, deprecated);
  62                 return 0;
  63         }
  64
  65         for (i = 0; i < argc; ++i) {
  66                 char *sep, *s;
  67
  68                 if (strcmp(argv[i], "tracepoint") == 0)
  69                         print_tracepoint_events(NULL, NULL, raw_dump);
  70                 else if (strcmp(argv[i], "hw") == 0 ||
  71                          strcmp(argv[i], "hardware") == 0)
  72                         print_symbol_events(NULL, PERF_TYPE_HARDWARE,
  73                                         event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
  74                 else if (strcmp(argv[i], "sw") == 0 ||
  75                          strcmp(argv[i], "software") == 0) {
  76                         print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
  77                                         event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
  78                         print_tool_events(NULL, raw_dump);
  79                 } else if (strcmp(argv[i], "cache") == 0 ||
  80                          strcmp(argv[i], "hwcache") == 0)
  81                         print_hwcache_events(NULL, raw_dump);
  82                 else if (strcmp(argv[i], "pmu") == 0)
  83                         print_pmu_events(NULL, raw_dump, !desc_flag,
  84                                                 long_desc_flag, details_flag,
  85                                                 deprecated);
  86                 else if (strcmp(argv[i], "sdt") == 0)
  87                         print_sdt_events(NULL, NULL, raw_dump);
  88                 else if (strcmp(argv[i], "metric") == 0 || strcmp(argv[i], "metrics") == 0)
  89                         metricgroup__print(true, false, NULL, raw_dump, details_flag);
  90                 else if (strcmp(argv[i], "metricgroup") == 0 || strcmp(argv[i], "metricgroups") == 0)
  91                         metricgroup__print(false, true, NULL, raw_dump, details_flag);
  92                 else if ((sep = strchr(argv[i], ':')) != NULL) {
  93                         int sep_idx;
  94
  95                         sep_idx = sep - argv[i];
  96                         s = strdup(argv[i]);
  97                         if (s == NULL)
  98                                 return -1;
  99
 100                         s[sep_idx] = '\0';
 101                         print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
 102                         print_sdt_events(s, s + sep_idx + 1, raw_dump);
 103                         metricgroup__print(true, true, s, raw_dump, details_flag);
 104                         free(s);
 105                 } else {
 106                         if (asprintf(&s, "*%s*", argv[i]) < 0) {
 107                                 printf("Critical: Not enough memory! Trying to continue...\n");
 108                                 continue;
 109                         }
 110                         print_symbol_events(s, PERF_TYPE_HARDWARE,
 111                                             event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
 112                         print_symbol_events(s, PERF_TYPE_SOFTWARE,
 113                                             event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
 114                         print_tool_events(s, raw_dump);
 115                         print_hwcache_events(s, raw_dump);
 116                         print_pmu_events(s, raw_dump, !desc_flag,
 117                                                 long_desc_flag,
 118                                                 details_flag,
 119                                                 deprecated);
 120                         print_tracepoint_events(NULL, s, raw_dump);
 121                         print_sdt_events(NULL, s, raw_dump);
 122                         metricgroup__print(true, true, s, raw_dump, details_flag);
 123                         free(s);
 124                 }
 125         }
 126         return 0;
 127 }