xref: /linux/tools/perf/builtin-list.c (revision e58e871becec2d3b04ed91c0c16fe8deac9c9dfa)
1 /*
2  * builtin-list.c
3  *
4  * Builtin list command: list all event types
5  *
6  * Copyright (C) 2009, Thomas Gleixner <tglx@linutronix.de>
7  * Copyright (C) 2008-2009, Red Hat Inc, Ingo Molnar <mingo@redhat.com>
8  * Copyright (C) 2011, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
9  */
10 #include "builtin.h"
11 
12 #include "perf.h"
13 
14 #include "util/parse-events.h"
15 #include "util/cache.h"
16 #include "util/pmu.h"
17 #include "util/debug.h"
18 #include <subcmd/parse-options.h>
19 
20 static bool desc_flag = true;
21 static bool details_flag;
22 
23 int cmd_list(int argc, const char **argv)
24 {
25 	int i;
26 	bool raw_dump = false;
27 	bool long_desc_flag = false;
28 	struct option list_options[] = {
29 		OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
30 		OPT_BOOLEAN('d', "desc", &desc_flag,
31 			    "Print extra event descriptions. --no-desc to not print."),
32 		OPT_BOOLEAN('v', "long-desc", &long_desc_flag,
33 			    "Print longer event descriptions."),
34 		OPT_BOOLEAN(0, "details", &details_flag,
35 			    "Print information on the perf event names and expressions used internally by events."),
36 		OPT_INCR(0, "debug", &verbose,
37 			     "Enable debugging output"),
38 		OPT_END()
39 	};
40 	const char * const list_usage[] = {
41 		"perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]",
42 		NULL
43 	};
44 
45 	set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
46 
47 	argc = parse_options(argc, argv, list_options, list_usage,
48 			     PARSE_OPT_STOP_AT_NON_OPTION);
49 
50 	setup_pager();
51 
52 	if (!raw_dump && pager_in_use())
53 		printf("\nList of pre-defined events (to be used in -e):\n\n");
54 
55 	if (argc == 0) {
56 		print_events(NULL, raw_dump, !desc_flag, long_desc_flag,
57 				details_flag);
58 		return 0;
59 	}
60 
61 	for (i = 0; i < argc; ++i) {
62 		char *sep, *s;
63 
64 		if (strcmp(argv[i], "tracepoint") == 0)
65 			print_tracepoint_events(NULL, NULL, raw_dump);
66 		else if (strcmp(argv[i], "hw") == 0 ||
67 			 strcmp(argv[i], "hardware") == 0)
68 			print_symbol_events(NULL, PERF_TYPE_HARDWARE,
69 					event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
70 		else if (strcmp(argv[i], "sw") == 0 ||
71 			 strcmp(argv[i], "software") == 0)
72 			print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
73 					event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
74 		else if (strcmp(argv[i], "cache") == 0 ||
75 			 strcmp(argv[i], "hwcache") == 0)
76 			print_hwcache_events(NULL, raw_dump);
77 		else if (strcmp(argv[i], "pmu") == 0)
78 			print_pmu_events(NULL, raw_dump, !desc_flag,
79 						long_desc_flag, details_flag);
80 		else if (strcmp(argv[i], "sdt") == 0)
81 			print_sdt_events(NULL, NULL, raw_dump);
82 		else if ((sep = strchr(argv[i], ':')) != NULL) {
83 			int sep_idx;
84 
85 			if (sep == NULL) {
86 				print_events(argv[i], raw_dump, !desc_flag,
87 							long_desc_flag,
88 							details_flag);
89 				continue;
90 			}
91 			sep_idx = sep - argv[i];
92 			s = strdup(argv[i]);
93 			if (s == NULL)
94 				return -1;
95 
96 			s[sep_idx] = '\0';
97 			print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
98 			print_sdt_events(s, s + sep_idx + 1, raw_dump);
99 			free(s);
100 		} else {
101 			if (asprintf(&s, "*%s*", argv[i]) < 0) {
102 				printf("Critical: Not enough memory! Trying to continue...\n");
103 				continue;
104 			}
105 			print_symbol_events(s, PERF_TYPE_HARDWARE,
106 					    event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
107 			print_symbol_events(s, PERF_TYPE_SOFTWARE,
108 					    event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
109 			print_hwcache_events(s, raw_dump);
110 			print_pmu_events(s, raw_dump, !desc_flag,
111 						long_desc_flag,
112 						details_flag);
113 			print_tracepoint_events(NULL, s, raw_dump);
114 			print_sdt_events(NULL, s, raw_dump);
115 			free(s);
116 		}
117 	}
118 	return 0;
119 }
120