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| author | David Ahern <dsahern@gmail.com> | 2013-08-07 22:50:44 -0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-08-12 10:31:05 -0300 |
| commit | ad9def7ca020ef5b54968c89194f52d18ef1ef49 (patch) | |
| tree | 03ce89cdca2e7017a857a66353c23b71fdea678c /tools/perf/builtin-sched.c | |
| parent | 9a6d316692d59c4400a66b01db675abac432b4b2 (diff) | |
| download | linux-ad9def7ca020ef5b54968c89194f52d18ef1ef49.tar.gz linux-ad9def7ca020ef5b54968c89194f52d18ef1ef49.tar.bz2 linux-ad9def7ca020ef5b54968c89194f52d18ef1ef49.zip | |
perf sched: Simplify arguments to read_events
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>
Diffstat (limited to 'tools/perf/builtin-sched.c')
| -rw-r--r-- | tools/perf/builtin-sched.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/tools/perf/builtin-sched.c b/tools/perf/builtin-sched.c index 948183adb6e5..34ce57d24721 100644 --- a/tools/perf/builtin-sched.c +++ b/tools/perf/builtin-sched.c @@ -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); |