diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 88111b08b2c1d6885c703d3322b274ba425b4db3..6ed6013dff2b45052068f44c92496dcc62ec32a9 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -4073,6 +4073,14 @@ static ssize_t tracing_clock_write(struct file *filp, const char __user *ubuf,
 	if (max_tr.buffer)
 		ring_buffer_set_clock(max_tr.buffer, trace_clocks[i].func);
 
+	/*
+	 * New clock may not be consistent with the previous clock.
+	 * Reset the buffer so that it doesn't have incomparable timestamps.
+	 */
+	tracing_reset_online_cpus(&global_trace);
+	if (max_tr.buffer)
+		tracing_reset_online_cpus(&max_tr);
+
 	mutex_unlock(&trace_types_lock);
 
 	*fpos += cnt;