2011-03-15 17:04:13 +03:00
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/*
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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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2012-10-30 07:56:02 +04:00
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static int __cmd_evlist(const char *file_name, struct perf_attr_details *details)
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2011-03-15 17:04:13 +03:00
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{
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struct perf_session *session;
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struct perf_evsel *pos;
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2012-10-30 07:56:02 +04:00
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session = perf_session__new(file_name, O_RDONLY, 0, false, NULL);
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2011-03-15 17:04:13 +03:00
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if (session == NULL)
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return -ENOMEM;
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2012-12-11 01:17:08 +04:00
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list_for_each_entry(pos, &session->evlist->entries, node)
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perf_evsel__fprintf(pos, details, stdout);
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2011-03-15 17:04:13 +03:00
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perf_session__delete(session);
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return 0;
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}
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2012-09-11 02:15:03 +04:00
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int cmd_evlist(int argc, const char **argv, const char *prefix __maybe_unused)
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2011-03-15 17:04:13 +03:00
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{
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perf evlist: Show event attribute details
There was no easy way to see the frequency used, and with the change of
default, we better provide one.
[root@sandy linux]# perf evlist -F
cycles: sample_freq=4000
[root@sandy linux]# perf evlist -v
cycles: sample_freq=4000, size: 80, sample_type: 391, read_format: 7, disabled: 1, inherit: 1, mmap: 1, comm: 1, freq: 1, sample_id_all: 1, exclude_guest: 1
[root@sandy linux]#
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-e1p9poez3nwrgycbmwqmhlsu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-05-22 21:30:11 +04:00
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struct perf_attr_details details = { .verbose = false, };
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const struct option options[] = {
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2012-10-01 22:20:58 +04:00
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OPT_STRING('i', "input", &input_name, "file", "Input file name"),
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OPT_BOOLEAN('F', "freq", &details.freq, "Show the sample frequency"),
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OPT_BOOLEAN('v', "verbose", &details.verbose,
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"Show all event attr details"),
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2013-02-07 00:20:02 +04:00
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OPT_BOOLEAN('g', "group", &details.event_group,
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2013-01-22 13:09:47 +04:00
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"Show event group information"),
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2012-10-01 22:20:58 +04:00
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OPT_END()
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};
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const char * const evlist_usage[] = {
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"perf evlist [<options>]",
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NULL
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perf evlist: Show event attribute details
There was no easy way to see the frequency used, and with the change of
default, we better provide one.
[root@sandy linux]# perf evlist -F
cycles: sample_freq=4000
[root@sandy linux]# perf evlist -v
cycles: sample_freq=4000, size: 80, sample_type: 391, read_format: 7, disabled: 1, inherit: 1, mmap: 1, comm: 1, freq: 1, sample_id_all: 1, exclude_guest: 1
[root@sandy linux]#
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-e1p9poez3nwrgycbmwqmhlsu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-05-22 21:30:11 +04:00
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};
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2011-03-15 17:04:13 +03:00
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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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2013-02-07 00:20:02 +04:00
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if (details.event_group && (details.verbose || details.freq)) {
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2013-01-22 13:09:47 +04:00
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pr_err("--group option is not compatible with other options\n");
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usage_with_options(evlist_usage, options);
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}
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perf evlist: Show event attribute details
There was no easy way to see the frequency used, and with the change of
default, we better provide one.
[root@sandy linux]# perf evlist -F
cycles: sample_freq=4000
[root@sandy linux]# perf evlist -v
cycles: sample_freq=4000, size: 80, sample_type: 391, read_format: 7, disabled: 1, inherit: 1, mmap: 1, comm: 1, freq: 1, sample_id_all: 1, exclude_guest: 1
[root@sandy linux]#
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Namhyung Kim <namhyung@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-e1p9poez3nwrgycbmwqmhlsu@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
2012-05-22 21:30:11 +04:00
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return __cmd_evlist(input_name, &details);
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2011-03-15 17:04:13 +03:00
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}
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