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