diff --git a/kernel/events/core.c b/kernel/events/core.c
index d6ec580584b6..5beb88f11671 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -3386,7 +3386,8 @@ static int perf_event_read(struct perf_event *event, bool group)
 	 * If event is enabled and currently active on a CPU, update the
 	 * value in the event structure:
 	 */
-	if (event->state == PERF_EVENT_STATE_ACTIVE) {
+	if (event->state == PERF_EVENT_STATE_ACTIVE &&
+						!cpu_isolated(event->oncpu)) {
 		struct perf_read_data data = {
 			.event = event,
 			.group = group,