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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 "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|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                         if (sep == NULL) {
 96                                 print_events(argv[i], raw_dump, !desc_flag,
 97                                                         long_desc_flag,
 98                                                         details_flag,
 99                                                         deprecated);
100                                 continue;
101                         }
102                         sep_idx = sep - argv[i];
103                         s = strdup(argv[i]);
104                         if (s == NULL)
105                                 return -1;
106 
107                         s[sep_idx] = '\0';
108                         print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
109                         print_sdt_events(s, s + sep_idx + 1, raw_dump);
110                         metricgroup__print(true, true, s, raw_dump, details_flag);
111                         free(s);
112                 } else {
113                         if (asprintf(&s, "*%s*", argv[i]) < 0) {
114                                 printf("Critical: Not enough memory! Trying to continue...\n");
115                                 continue;
116                         }
117                         print_symbol_events(s, PERF_TYPE_HARDWARE,
118                                             event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
119                         print_symbol_events(s, PERF_TYPE_SOFTWARE,
120                                             event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
121                         print_tool_events(s, raw_dump);
122                         print_hwcache_events(s, raw_dump);
123                         print_pmu_events(s, raw_dump, !desc_flag,
124                                                 long_desc_flag,
125                                                 details_flag,
126                                                 deprecated);
127                         print_tracepoint_events(NULL, s, raw_dump);
128                         print_sdt_events(NULL, s, raw_dump);
129                         metricgroup__print(true, true, s, raw_dump, details_flag);
130                         free(s);
131                 }
132         }
133         return 0;
134 }
135 

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