xref: /openbmc/linux/tools/perf/builtin-list.c (revision 93032e31)
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 static bool desc_flag = true;
20 
21 int cmd_list(int argc, const char **argv, const char *prefix __maybe_unused)
22 {
23 	int i;
24 	bool raw_dump = false;
25 	bool long_desc_flag = false;
26 	struct option list_options[] = {
27 		OPT_BOOLEAN(0, "raw-dump", &raw_dump, "Dump raw events"),
28 		OPT_BOOLEAN('d', "desc", &desc_flag,
29 			    "Print extra event descriptions. --no-desc to not print."),
30 		OPT_BOOLEAN('v', "long-desc", &long_desc_flag,
31 			    "Print longer event descriptions."),
32 		OPT_END()
33 	};
34 	const char * const list_usage[] = {
35 		"perf list [<options>] [hw|sw|cache|tracepoint|pmu|sdt|event_glob]",
36 		NULL
37 	};
38 
39 	set_option_flag(list_options, 0, "raw-dump", PARSE_OPT_HIDDEN);
40 
41 	argc = parse_options(argc, argv, list_options, list_usage,
42 			     PARSE_OPT_STOP_AT_NON_OPTION);
43 
44 	setup_pager();
45 
46 	if (!raw_dump && pager_in_use())
47 		printf("\nList of pre-defined events (to be used in -e):\n\n");
48 
49 	if (argc == 0) {
50 		print_events(NULL, raw_dump, !desc_flag, long_desc_flag);
51 		return 0;
52 	}
53 
54 	for (i = 0; i < argc; ++i) {
55 		char *sep, *s;
56 
57 		if (strcmp(argv[i], "tracepoint") == 0)
58 			print_tracepoint_events(NULL, NULL, raw_dump);
59 		else if (strcmp(argv[i], "hw") == 0 ||
60 			 strcmp(argv[i], "hardware") == 0)
61 			print_symbol_events(NULL, PERF_TYPE_HARDWARE,
62 					event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
63 		else if (strcmp(argv[i], "sw") == 0 ||
64 			 strcmp(argv[i], "software") == 0)
65 			print_symbol_events(NULL, PERF_TYPE_SOFTWARE,
66 					event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
67 		else if (strcmp(argv[i], "cache") == 0 ||
68 			 strcmp(argv[i], "hwcache") == 0)
69 			print_hwcache_events(NULL, raw_dump);
70 		else if (strcmp(argv[i], "pmu") == 0)
71 			print_pmu_events(NULL, raw_dump, !desc_flag,
72 						long_desc_flag);
73 		else if (strcmp(argv[i], "sdt") == 0)
74 			print_sdt_events(NULL, NULL, raw_dump);
75 		else if ((sep = strchr(argv[i], ':')) != NULL) {
76 			int sep_idx;
77 
78 			if (sep == NULL) {
79 				print_events(argv[i], raw_dump, !desc_flag,
80 							long_desc_flag);
81 				continue;
82 			}
83 			sep_idx = sep - argv[i];
84 			s = strdup(argv[i]);
85 			if (s == NULL)
86 				return -1;
87 
88 			s[sep_idx] = '\0';
89 			print_tracepoint_events(s, s + sep_idx + 1, raw_dump);
90 			print_sdt_events(s, s + sep_idx + 1, raw_dump);
91 			free(s);
92 		} else {
93 			if (asprintf(&s, "*%s*", argv[i]) < 0) {
94 				printf("Critical: Not enough memory! Trying to continue...\n");
95 				continue;
96 			}
97 			print_symbol_events(s, PERF_TYPE_HARDWARE,
98 					    event_symbols_hw, PERF_COUNT_HW_MAX, raw_dump);
99 			print_symbol_events(s, PERF_TYPE_SOFTWARE,
100 					    event_symbols_sw, PERF_COUNT_SW_MAX, raw_dump);
101 			print_hwcache_events(s, raw_dump);
102 			print_pmu_events(s, raw_dump, !desc_flag,
103 						long_desc_flag);
104 			print_tracepoint_events(NULL, s, raw_dump);
105 			print_sdt_events(NULL, s, raw_dump);
106 			free(s);
107 		}
108 	}
109 	return 0;
110 }
111