1/*
  2 * Builtin evlist command: Show the list of event selectors present
  3 * in a perf.data file.
  4 */
  5#include "builtin.h"
  6
  7#include "util/util.h"
  8
  9#include <linux/list.h>
 10
 11#include "perf.h"
 12#include "util/evlist.h"
 13#include "util/evsel.h"
 14#include "util/parse-events.h"
 15#include "util/parse-options.h"
 16#include "util/session.h"
 17
 18struct perf_attr_details {
 19	bool freq;
 20	bool verbose;
 21};
 22
 23static int comma_printf(bool *first, const char *fmt, ...)
 24{
 25	va_list args;
 26	int ret = 0;
 27
 28	if (!*first) {
 29		ret += printf(",");
 30	} else {
 31		ret += printf(":");
 32		*first = false;
 33	}
 34
 35	va_start(args, fmt);
 36	ret += vprintf(fmt, args);
 37	va_end(args);
 38	return ret;
 39}
 40
 41static int __if_print(bool *first, const char *field, u64 value)
 42{
 43	if (value == 0)
 44		return 0;
 45
 46	return comma_printf(first, " %s: %" PRIu64, field, value);
 47}
 48
 49#define if_print(field) __if_print(&first, #field, pos->attr.field)
 50
 51static int __cmd_evlist(const char *input_name, struct perf_attr_details *details)
 52{
 53	struct perf_session *session;
 54	struct perf_evsel *pos;
 55
 56	session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
 57	if (session == NULL)
 58		return -ENOMEM;
 59
 60	list_for_each_entry(pos, &session->evlist->entries, node) {
 61		bool first = true;
 62
 63		printf("%s", event_name(pos));
 64
 65		if (details->verbose || details->freq) {
 66			comma_printf(&first, " sample_freq=%" PRIu64,
 67				     (u64)pos->attr.sample_freq);
 68		}
 69
 70		if (details->verbose) {
 71			if_print(type);
 72			if_print(config);
 73			if_print(config1);
 74			if_print(config2);
 75			if_print(size);
 76			if_print(sample_type);
 77			if_print(read_format);
 78			if_print(disabled);
 79			if_print(inherit);
 80			if_print(pinned);
 81			if_print(exclusive);
 82			if_print(exclude_user);
 83			if_print(exclude_kernel);
 84			if_print(exclude_hv);
 85			if_print(exclude_idle);
 86			if_print(mmap);
 87			if_print(comm);
 88			if_print(freq);
 89			if_print(inherit_stat);
 90			if_print(enable_on_exec);
 91			if_print(task);
 92			if_print(watermark);
 93			if_print(precise_ip);
 94			if_print(mmap_data);
 95			if_print(sample_id_all);
 96			if_print(exclude_host);
 97			if_print(exclude_guest);
 98			if_print(__reserved_1);
 99			if_print(wakeup_events);
100			if_print(bp_type);
101			if_print(branch_sample_type);
102		}
103
104		putchar('\n');
105	}
106
107	perf_session__delete(session);
108	return 0;
109}
110
111static const char * const evlist_usage[] = {
112	"perf evlist [<options>]",
113	NULL
114};
115
 
 
 
 
 
 
116int cmd_evlist(int argc, const char **argv, const char *prefix __used)
117{
118	struct perf_attr_details details = { .verbose = false, };
119	const char *input_name = NULL;
120	const struct option options[] = {
121		OPT_STRING('i', "input", &input_name, "file",
122			    "Input file name"),
123		OPT_BOOLEAN('F', "freq", &details.freq,
124			    "Show the sample frequency"),
125		OPT_BOOLEAN('v', "verbose", &details.verbose,
126			    "Show all event attr details"),
127		OPT_END()
128	};
129
130	argc = parse_options(argc, argv, options, evlist_usage, 0);
131	if (argc)
132		usage_with_options(evlist_usage, options);
133
134	return __cmd_evlist(input_name, &details);
135}

 1/*
 2 * Builtin evlist command: Show the list of event selectors present
 3 * in a perf.data file.
 4 */
 5#include "builtin.h"
 6
 7#include "util/util.h"
 8
 9#include <linux/list.h>
10
11#include "perf.h"
12#include "util/evlist.h"
13#include "util/evsel.h"
14#include "util/parse-events.h"
15#include "util/parse-options.h"
16#include "util/session.h"
17
18static char const *input_name = "perf.data";
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
19
20static int __cmd_evlist(void)
21{
22	struct perf_session *session;
23	struct perf_evsel *pos;
24
25	session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
26	if (session == NULL)
27		return -ENOMEM;
28
29	list_for_each_entry(pos, &session->evlist->entries, node)
30		printf("%s\n", event_name(pos));
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
31
32	perf_session__delete(session);
33	return 0;
34}
35
36static const char * const evlist_usage[] = {
37	"perf evlist [<options>]",
38	NULL
39};
40
41static const struct option options[] = {
42	OPT_STRING('i', "input", &input_name, "file",
43		    "input file name"),
44	OPT_END()
45};
46
47int cmd_evlist(int argc, const char **argv, const char *prefix __used)
48{
 
 
 
 
 
 
 
 
 
 
 
 
49	argc = parse_options(argc, argv, options, evlist_usage, 0);
50	if (argc)
51		usage_with_options(evlist_usage, options);
52
53	return __cmd_evlist();
54}