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perf sched: Simplify arguments to read_events

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Destroy argument is not necessary. If session is not returned to caller,
then clean it up.

Signed-off-by: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1375930261-77273-3-git-send-email-dsahern@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
David Ahern 2013-08-07 22:50:44 -04:00 committed by Arnaldo Carvalho de Melo
parent 9a6d316692
commit ad9def7ca0
1 changed files with 9 additions and 7 deletions
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16
tools/perf/builtin-sched.c
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@ -1445,7 +1445,7 @@ static int perf_sched__process_tracepoint_sample(struct perf_tool *tool __maybe_
return err;
}
static int perf_sched__read_events(struct perf_sched *sched, bool destroy,
static int perf_sched__read_events(struct perf_sched *sched,
struct perf_session **psession)
{
const struct perf_evsel_str_handler handlers[] = {
@ -1480,11 +1480,10 @@ static int perf_sched__read_events(struct perf_sched *sched, bool destroy,
sched->nr_lost_chunks = session->stats.nr_events[PERF_RECORD_LOST];
}
if (destroy)
perf_session__delete(session);
if (psession)
*psession = session;
else
perf_session__delete(session);
return 0;
@ -1529,8 +1528,11 @@ static int perf_sched__lat(struct perf_sched *sched)
struct perf_session *session;
setup_pager();
if (perf_sched__read_events(sched, false, &session))
/* save session -- references to threads are held in work_list */
if (perf_sched__read_events(sched, &session))
return -1;
perf_sched__sort_lat(sched);
printf("\n ---------------------------------------------------------------------------------------------------------------\n");
@ -1565,7 +1567,7 @@ static int perf_sched__map(struct perf_sched *sched)
sched->max_cpu = sysconf(_SC_NPROCESSORS_CONF);
setup_pager();
if (perf_sched__read_events(sched, true, NULL))
if (perf_sched__read_events(sched, NULL))
return -1;
print_bad_events(sched);
return 0;
@ -1580,7 +1582,7 @@ static int perf_sched__replay(struct perf_sched *sched)
test_calibrations(sched);
if (perf_sched__read_events(sched, true, NULL))
if (perf_sched__read_events(sched, NULL))
return -1;
printf("nr_run_events: %ld\n", sched->nr_run_events);