xref: /linux/tools/perf/builtin-list.c (revision 4949009eb8d40a441dcddcd96e101e77d31cf1b2)
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/parse-options.h"
18 
19 int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
20 {
21 	int i;
22 	bool raw_dump = false;
23 	struct option list_options[] = {
24 		OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
25 		OPT_END()
26 	};
27 	const char * const list_usage[] = {
28 		"perf list [hw|sw|cache|tracepoint|pmu|event_glob]",
29 		NULL
30 	};
31 
32 	set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
33 
34 	argc = parse_options(argc, argv, list_options, list_usage,
35 			     PARSE_OPT_STOP_AT_NON_OPTION);
36 
37 	setup_pager();
38 
39 	if (raw_dump) {
40 		print_events(NULL, true);
41 		return 0;
42 	}
43 
44 	if (argc == 0) {
45 		print_events(NULL, false);
46 		return 0;
47 	}
48 
49 	for (i = 0; i < argc; ++i) {
50 		if (i)
51 			putchar('\n');
52 		if (strncmp(argv[i], "tracepoint", 10) == 0)
53 			print_tracepoint_events(NULL, NULL, false);
54 		else if (strcmp(argv[i], "hw") == 0 ||
55 			 strcmp(argv[i], "hardware") == 0)
56 			print_events_type(PERF_TYPE_HARDWARE);
57 		else if (strcmp(argv[i], "sw") == 0 ||
58 			 strcmp(argv[i], "software") == 0)
59 			print_events_type(PERF_TYPE_SOFTWARE);
60 		else if (strcmp(argv[i], "cache") == 0 ||
61 			 strcmp(argv[i], "hwcache") == 0)
62 			print_hwcache_events(NULL, false);
63 		else if (strcmp(argv[i], "pmu") == 0)
64 			print_pmu_events(NULL, false);
65 		else {
66 			char *sep = strchr(argv[i], ':'), *s;
67 			int sep_idx;
68 
69 			if (sep == NULL) {
70 				print_events(argv[i], false);
71 				continue;
72 			}
73 			sep_idx = sep - argv[i];
74 			s = strdup(argv[i]);
75 			if (s == NULL)
76 				return -1;
77 
78 			s[sep_idx] = '\0';
79 			print_tracepoint_events(s, s + sep_idx + 1, false);
80 			free(s);
81 		}
82 	}
83 	return 0;
84 }
85