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author | 2011-03-15 11:04:13 -0300 | |
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committer | 2011-03-15 11:10:48 -0300 | |
commit | 43adec955edd116c3e98c6e2f85fbd63281f5221 (patch) | |
tree | 9cc67758e4c88e7733d469698995e4561d187630 /tools/perf/builtin-evlist.c | |
parent | perf script: Add support for H/W and S/W events (diff) | |
download | linux-43adec955edd116c3e98c6e2f85fbd63281f5221.tar.gz linux-43adec955edd116c3e98c6e2f85fbd63281f5221.tar.bz2 linux-43adec955edd116c3e98c6e2f85fbd63281f5221.zip |
perf evlist: New command to list the names of events present in a perf.data file
[root@emilia ~]# perf record -a -e sched:* -e timer:timer* sleep 5
[ perf record: Woken up 1 times to write data ]
[ perf record: Captured and wrote 0.172 MB perf.data (~7530 samples) ]
[root@emilia ~]# perf evlist
sched:sched_kthread_stop
sched:sched_kthread_stop_ret
sched:sched_wakeup
sched:sched_wakeup_new
sched:sched_switch
sched:sched_migrate_task
sched:sched_process_free
sched:sched_process_exit
sched:sched_wait_task
sched:sched_process_wait
sched:sched_process_fork
sched:sched_stat_wait
sched:sched_stat_sleep
sched:sched_stat_iowait
sched:sched_stat_runtime
sched:sched_pi_setprio
timer:timer_init
timer:timer_start
timer:timer_expire_entry
timer:timer_expire_exit
timer:timer_cancel
[root@emilia ~]#
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Tom Zanussi <tzanussi@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-evlist.c')
-rw-r--r-- | tools/perf/builtin-evlist.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/tools/perf/builtin-evlist.c b/tools/perf/builtin-evlist.c new file mode 100644 index 000000000000..4c5e9e04a41f --- /dev/null +++ b/tools/perf/builtin-evlist.c @@ -0,0 +1,54 @@ +/* + * 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" + +static char const *input_name = "perf.data"; + +static int __cmd_evlist(void) +{ + struct perf_session *session; + struct perf_evsel *pos; + + session = perf_session__new(input_name, O_RDONLY, 0, false, NULL); + if (session == NULL) + return -ENOMEM; + + list_for_each_entry(pos, &session->evlist->entries, node) + printf("%s\n", event_name(pos)); + + perf_session__delete(session); + return 0; +} + +static const char * const evlist_usage[] = { + "perf evlist [<options>]", + NULL +}; + +static const struct option options[] = { + OPT_STRING('i', "input", &input_name, "file", + "input file name"), + OPT_END() +}; + +int cmd_evlist(int argc, const char **argv, const char *prefix __used) +{ + argc = parse_options(argc, argv, options, evlist_usage, 0); + if (argc) + usage_with_options(evlist_usage, options); + + return __cmd_evlist(); +} |