---

yaml
---
r: 211831
b: refs/heads/master
c: 1b9a644
h: refs/heads/master
i:
  211829: e2a5f21
  211827: fe3bc82
  211823: 8e6edec
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 89a1e18731959e9953fae15ddc1a983eb15a4f19
+refs/heads/master: 1b9a644fece117cfa5474a2388d6b89d1baf8ddf

trunk/kernel/perf_event.c

@@ -1065,6 +1065,7 @@ static void ctx_sched_out(struct perf_event_context *ctx,
 	struct perf_event *event;
 
 	raw_spin_lock(&ctx->lock);
+	perf_pmu_disable(ctx->pmu);
 	ctx->is_active = 0;
 	if (likely(!ctx->nr_events))
 		goto out;
@@ -1083,6 +1084,7 @@ static void ctx_sched_out(struct perf_event_context *ctx,
 			group_sched_out(event, cpuctx, ctx);
 	}
 out:
+	perf_pmu_enable(ctx->pmu);
 	raw_spin_unlock(&ctx->lock);
 }
 
@@ -1400,6 +1402,7 @@ void perf_event_context_sched_in(struct perf_event_context *ctx)
 	if (cpuctx->task_ctx == ctx)
 		return;
 
+	perf_pmu_disable(ctx->pmu);
 	/*
 	 * We want to keep the following priority order:
 	 * cpu pinned (that don't need to move), task pinned,
@@ -1418,6 +1421,7 @@ void perf_event_context_sched_in(struct perf_event_context *ctx)
 	 * cpu-context we got scheduled on is actually rotating.
 	 */
 	perf_pmu_rotate_start(ctx->pmu);
+	perf_pmu_enable(ctx->pmu);
 }
 
 /*
@@ -1629,6 +1633,7 @@ static enum hrtimer_restart perf_event_context_tick(struct hrtimer *timer)
 			rotate = 1;
 	}
 
+	perf_pmu_disable(cpuctx->ctx.pmu);
 	perf_ctx_adjust_freq(&cpuctx->ctx, cpuctx->timer_interval);
 	if (ctx)
 		perf_ctx_adjust_freq(ctx, cpuctx->timer_interval);
@@ -1649,6 +1654,7 @@ static enum hrtimer_restart perf_event_context_tick(struct hrtimer *timer)
 		task_ctx_sched_in(ctx, EVENT_FLEXIBLE);
 
 done:
+	perf_pmu_enable(cpuctx->ctx.pmu);
 	hrtimer_forward_now(timer, ns_to_ktime(cpuctx->timer_interval));
 
 	return restart;