xref: /openbmc/linux/tools/perf/builtin-list.c (revision 56a0eccd)
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 <subcmd/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 && pager_in_use())
40 		printf("\nList of pre-defined events (to be used in -e):\n\n");
41 
42 	if (argc == 0) {
43 		print_events(NULL, raw_dump);
44 		return 0;
45 	}
46 
47 	for (i = 0; i < argc; ++i) {
48 		char *sep, *s;
49 
50 		if (strcmp(argv[i], "tracepoint") == 0)
51 			print_tracepoint_events(NULL, NULL, raw_dump);
52 		else if (strcmp(argv[i], "hw") == 0 ||
53 			 strcmp(argv[i], "hardware") == 0)
54 			print_symbol_events(NULL, PERF_TYPE_HARDWARE,
55 					event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
56 		else if (strcmp(argv[i], "sw") == 0 ||
57 			 strcmp(argv[i], "software") == 0)
58 			print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
59 					event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
60 		else if (strcmp(argv[i], "cache") == 0 ||
61 			 strcmp(argv[i], "hwcache") == 0)
62 			print_hwcache_events(NULL, raw_dump);
63 		else if (strcmp(argv[i], "pmu") == 0)
64 			print_pmu_events(NULL, raw_dump);
65 		else if ((sep = strchr(argv[i], ':')) != NULL) {
66 			int sep_idx;
67 
68 			if (sep == NULL) {
69 				print_events(argv[i], raw_dump);
70 				continue;
71 			}
72 			sep_idx = sep - argv[i];
73 			s = strdup(argv[i]);
74 			if (s == NULL)
75 				return -1;
76 
77 			s[sep_idx] = '\0';
78 			print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
79 			free(s);
80 		} else {
81 			if (asprintf(&s, "*%s*", argv[i]) < 0) {
82 				printf("Critical: Not enough memory! Trying to continue...\n");
83 				continue;
84 			}
85 			print_symbol_events(s, PERF_TYPE_HARDWARE,
86 					    event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
87 			print_symbol_events(s, PERF_TYPE_SOFTWARE,
88 					    event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
89 			print_hwcache_events(s, raw_dump);
90 			print_pmu_events(s, raw_dump);
91 			print_tracepoint_events(NULL, s, raw_dump);
92 			free(s);
93 		}
94 	}
95 	return 0;
96 }
97