diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index a8f52b6527ca..619e9aa62201 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -2386,6 +2386,25 @@ void tracing_reset_online_cpus(struct array_buffer *buf)
 	ring_buffer_record_enable(buffer);
 }
 
+static void tracing_reset_all_cpus(struct array_buffer *buf)
+{
+	struct trace_buffer *buffer = buf->buffer;
+
+	if (!buffer)
+		return;
+
+	ring_buffer_record_disable(buffer);
+
+	/* Make sure all commits have finished */
+	synchronize_rcu();
+
+	buf->time_start = buffer_ftrace_now(buf, buf->cpu);
+
+	ring_buffer_reset(buffer);
+
+	ring_buffer_record_enable(buffer);
+}
+
 /* Must have trace_types_lock held */
 void tracing_reset_all_online_cpus_unlocked(void)
 {
@@ -6141,8 +6160,13 @@ static void update_last_data(struct trace_array *tr)
 	if (!tr->text_delta && !tr->data_delta)
 		return;
 
-	/* Clear old data */
-	tracing_reset_online_cpus(&tr->array_buffer);
+	/*
+	 * Need to clear all CPU buffers as there cannot be events
+	 * from the previous boot mixed with events with this boot
+	 * as that will cause a confusing trace. Need to clear all
+	 * CPU buffers, even for those that may currently be offline.
+	 */
+	tracing_reset_all_cpus(&tr->array_buffer);
 
 	/* Using current data now */
 	tr->text_delta = 0;