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/*
* Builtin evlist command: Show the list of event selectors present
* in a perf.data file.
*/
#include "builtin.h"
#include "util/util.h"
#include <linux/list.h>
#include "perf.h"
#include "util/evlist.h"
#include "util/evsel.h"
#include "util/parse-events.h"
#include "util/parse-options.h"
#include "util/session.h"
#include "util/data.h"
static int __cmd_evlist(const char *file_name, struct perf_attr_details *details)
{
struct perf_session *session;
struct perf_evsel *pos;
struct perf_data_file file = {
.path = file_name,
.mode = PERF_DATA_MODE_READ,
};
session = perf_session__new(&file, 0, NULL);
if (session == NULL)
return -ENOMEM;
list_for_each_entry(pos, &session->evlist->entries, node)
perf_evsel__fprintf(pos, details, stdout);
perf_session__delete(session);
return 0;
}
int cmd_evlist(int argc, const char **argv, const char *prefix __maybe_unused)
{
struct perf_attr_details details = { .verbose = false, };
const struct option options[] = {
OPT_STRING('i', "input", &input_name, "file", "Input file name"),
OPT_BOOLEAN('F', "freq", &details.freq, "Show the sample frequency"),
OPT_BOOLEAN('v', "verbose", &details.verbose,
"Show all event attr details"),
OPT_BOOLEAN('g', "group", &details.event_group,
"Show event group information"),
OPT_END()
};
const char * const evlist_usage[] = {
"perf evlist [<options>]",
NULL
};
argc = parse_options(argc, argv, options, evlist_usage, 0);
if (argc)
usage_with_options(evlist_usage, options);
if (details.event_group && (details.verbose || details.freq)) {
pr_err("--group option is not compatible with other options\n");
usage_with_options(evlist_usage, options);
}
return __cmd_evlist(input_name, &details);
}
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