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 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 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