LXR linux/tools/perf/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 "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 <subcmd/parse-options.h>
  20
  21static bool desc_flag = true;
  22static bool details_flag;
  23
  24int cmd_list(int argc, const char **argv)
  25{
  26        int i;
  27        bool raw_dump = false;
  28        bool long_desc_flag = false;
  29        struct option list_options[] = {
  30                OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
  31                OPT_BOOLEAN('d', "desc", &desc_flag,
  32                            "Print extra event descriptions. --no-desc to not print."),
  33                OPT_BOOLEAN('v', "long-desc", &long_desc_flag,
  34                            "Print longer event descriptions."),
  35                OPT_BOOLEAN(0, "details", &details_flag,
  36                            "Print information on the perf event names and expressions used internally by events."),
  37                OPT_INCR(0, "debug", &verbose,
  38                             "Enable debugging output"),
  39                OPT_END()
  40        };
  41        const char * const list_usage[] = {
  42                "perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]",
  43                NULL
  44        };
  45
  46        set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
  47
  48        argc = parse_options(argc, argv, list_options, list_usage,
  49                             PARSE_OPT_STOP_AT_NON_OPTION);
  50
  51        setup_pager();
  52
  53        if (!raw_dump && pager_in_use())
  54                printf("\nList of pre-defined events (to be used in -e):\n\n");
  55
  56        if (argc == 0) {
  57                print_events(NULL, raw_dump, !desc_flag, long_desc_flag,
  58                                details_flag);
  59                return 0;
  60        }
  61
  62        for (i = 0; i < argc; ++i) {
  63                char *sep, *s;
  64
  65                if (strcmp(argv[i], "tracepoint") == 0)
  66                        print_tracepoint_events(NULL, NULL, raw_dump);
  67                else if (strcmp(argv[i], "hw") == 0 ||
  68                         strcmp(argv[i], "hardware") == 0)
  69                        print_symbol_events(NULL, PERF_TYPE_HARDWARE,
  70                                        event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
  71                else if (strcmp(argv[i], "sw") == 0 ||
  72                         strcmp(argv[i], "software") == 0)
  73                        print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
  74                                        event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
  75                else if (strcmp(argv[i], "cache") == 0 ||
  76                         strcmp(argv[i], "hwcache") == 0)
  77                        print_hwcache_events(NULL, raw_dump);
  78                else if (strcmp(argv[i], "pmu") == 0)
  79                        print_pmu_events(NULL, raw_dump, !desc_flag,
  80                                                long_desc_flag, details_flag);
  81                else if (strcmp(argv[i], "sdt") == 0)
  82                        print_sdt_events(NULL, NULL, raw_dump);
  83                else if ((sep = strchr(argv[i], ':')) != NULL) {
  84                        int sep_idx;
  85
  86                        if (sep == NULL) {
  87                                print_events(argv[i], raw_dump, !desc_flag,
  88                                                        long_desc_flag,
  89                                                        details_flag);
  90                                continue;
  91                        }
  92                        sep_idx = sep - argv[i];
  93                        s = strdup(argv[i]);
  94                        if (s == NULL)
  95                                return -1;
  96
  97                        s[sep_idx] = '\0';
  98                        print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
  99                        print_sdt_events(s, s + sep_idx + 1, raw_dump);
 100                        free(s);
 101                } else {
 102                        if (asprintf(&s, "*%s*", argv[i]) < 0) {
 103                                printf("Critical: Not enough memory! Trying to continue...\n");
 104                                continue;
 105                        }
 106                        print_symbol_events(s, PERF_TYPE_HARDWARE,
 107                                            event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
 108                        print_symbol_events(s, PERF_TYPE_SOFTWARE,
 109                                            event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
 110                        print_hwcache_events(s, raw_dump);
 111                        print_pmu_events(s, raw_dump, !desc_flag,
 112                                                long_desc_flag,
 113                                                details_flag);
 114                        print_tracepoint_events(NULL, s, raw_dump);
 115                        print_sdt_events(NULL, s, raw_dump);
 116                        free(s);
 117                }
 118        }
 119        return 0;
 120}
 121