linux/tools/perf/builtin-list.c
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   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 "perf.h"
  14
  15#include "util/parse-events.h"
  16#include "util/cache.h"
  17#include "util/pmu.h"
  18#include "util/debug.h"
  19#include "util/metricgroup.h"
  20#include <subcmd/parse-options.h>
  21
  22static bool desc_flag = true;
  23static bool details_flag;
  24
  25int cmd_list(int argc, const char **argv)
  26{
  27        int i;
  28        bool raw_dump = false;
  29        bool long_desc_flag = 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_INCR(0, "debug", &verbose,
  39                             "Enable debugging output"),
  40                OPT_END()
  41        };
  42        const char * const list_usage[] = {
  43                "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]",
  44                NULL
  45        };
  46
  47        set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
  48
  49        argc = parse_options(argc, argv, list_options, list_usage,
  50                             PARSE_OPT_STOP_AT_NON_OPTION);
  51
  52        setup_pager();
  53
  54        if (!raw_dump && pager_in_use())
  55                printf("\nList of pre-defined events (to be used in -e):\n\n");
  56
  57        if (argc == 0) {
  58                print_events(NULL, raw_dump, !desc_flag, long_desc_flag,
  59                                details_flag);
  60                return 0;
  61        }
  62
  63        for (i = 0; i < argc; ++i) {
  64                char *sep, *s;
  65
  66                if (strcmp(argv[i], "tracepoint") == 0)
  67                        print_tracepoint_events(NULL, NULL, raw_dump);
  68                else if (strcmp(argv[i], "hw") == 0 ||
  69                         strcmp(argv[i], "hardware") == 0)
  70                        print_symbol_events(NULL, PERF_TYPE_HARDWARE,
  71                                        event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
  72                else if (strcmp(argv[i], "sw") == 0 ||
  73                         strcmp(argv[i], "software") == 0)
  74                        print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
  75                                        event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
  76                else if (strcmp(argv[i], "cache") == 0 ||
  77                         strcmp(argv[i], "hwcache") == 0)
  78                        print_hwcache_events(NULL, raw_dump);
  79                else if (strcmp(argv[i], "pmu") == 0)
  80                        print_pmu_events(NULL, raw_dump, !desc_flag,
  81                                                long_desc_flag, details_flag);
  82                else if (strcmp(argv[i], "sdt") == 0)
  83                        print_sdt_events(NULL, NULL, raw_dump);
  84                else if (strcmp(argv[i], "metric") == 0)
  85                        metricgroup__print(true, false, NULL, raw_dump);
  86                else if (strcmp(argv[i], "metricgroup") == 0)
  87                        metricgroup__print(false, true, NULL, raw_dump);
  88                else if ((sep = strchr(argv[i], ':')) != NULL) {
  89                        int sep_idx;
  90
  91                        if (sep == NULL) {
  92                                print_events(argv[i], raw_dump, !desc_flag,
  93                                                        long_desc_flag,
  94                                                        details_flag);
  95                                continue;
  96                        }
  97                        sep_idx = sep - argv[i];
  98                        s = strdup(argv[i]);
  99                        if (s == NULL)
 100                                return -1;
 101
 102                        s[sep_idx] = '\0';
 103                        print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
 104                        print_sdt_events(s, s + sep_idx + 1, raw_dump);
 105                        metricgroup__print(true, true, s, raw_dump);
 106                        free(s);
 107                } else {
 108                        if (asprintf(&s, "*%s*", argv[i]) < 0) {
 109                                printf("Critical: Not enough memory! Trying to continue...\n");
 110                                continue;
 111                        }
 112                        print_symbol_events(s, PERF_TYPE_HARDWARE,
 113                                            event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
 114                        print_symbol_events(s, PERF_TYPE_SOFTWARE,
 115                                            event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
 116                        print_hwcache_events(s, raw_dump);
 117                        print_pmu_events(s, raw_dump, !desc_flag,
 118                                                long_desc_flag,
 119                                                details_flag);
 120                        print_tracepoint_events(NULL, s, raw_dump);
 121                        print_sdt_events(NULL, s, raw_dump);
 122                        metricgroup__print(true, true, NULL, raw_dump);
 123                        free(s);
 124                }
 125        }
 126        return 0;
 127}
 128