mirror of https://gitee.com/openkylin/linux.git
55 lines
1.1 KiB
C
55 lines
1.1 KiB
C
/*
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* Builtin evlist command: Show the list of event selectors present
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* in a perf.data file.
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*/
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#include "builtin.h"
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#include "util/util.h"
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#include <linux/list.h>
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#include "perf.h"
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#include "util/evlist.h"
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#include "util/evsel.h"
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#include "util/parse-events.h"
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#include "util/parse-options.h"
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#include "util/session.h"
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static char const *input_name = "perf.data";
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static int __cmd_evlist(void)
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{
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struct perf_session *session;
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struct perf_evsel *pos;
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session = perf_session__new(input_name, O_RDONLY, 0, false, NULL);
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if (session == NULL)
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return -ENOMEM;
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list_for_each_entry(pos, &session->evlist->entries, node)
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printf("%s\n", event_name(pos));
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perf_session__delete(session);
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return 0;
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}
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static const char * const evlist_usage[] = {
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"perf evlist [<options>]",
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NULL
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};
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static const struct option options[] = {
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OPT_STRING('i', "input", &input_name, "file",
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"input file name"),
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OPT_END()
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};
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int cmd_evlist(int argc, const char **argv, const char *prefix __used)
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{
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argc = parse_options(argc, argv, options, evlist_usage, 0);
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if (argc)
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usage_with_options(evlist_usage, options);
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return __cmd_evlist();
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}
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