diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/perf_event.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/kernel/perf_event.c b/kernel/perf_event.c index 852ae8c6650..999835b6112 100644 --- a/kernel/perf_event.c +++ b/kernel/perf_event.c @@ -1901,11 +1901,12 @@ static void __perf_event_read(void *info) return; raw_spin_lock(&ctx->lock); - update_context_time(ctx); + if (ctx->is_active) + update_context_time(ctx); update_event_times(event); + if (event->state == PERF_EVENT_STATE_ACTIVE) + event->pmu->read(event); raw_spin_unlock(&ctx->lock); - - event->pmu->read(event); } static inline u64 perf_event_count(struct perf_event *event) |