From f0c375b0437d803c2615b4694525b4938efa986b Mon Sep 17 00:00:00 2001
From: sleepyzhang <754736434@qq.com>
Date: Wed, 26 Jul 2023 11:07:36 +0800
Subject: [PATCH] kernel bug lead to StatefulSet pod metric residue old node
 and then lead to cpu usage value is very large

---
 pkg/storage/types.go | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/pkg/storage/types.go b/pkg/storage/types.go
index 42e77347ac..1206a97de9 100644
--- a/pkg/storage/types.go
+++ b/pkg/storage/types.go
@@ -51,6 +51,9 @@ type MetricsPoint struct {
 }
 
 func resourceUsage(last, prev MetricsPoint) (corev1.ResourceList, api.TimeInfo, error) {
+	if last.StartTime.Before(prev.StartTime) {
+		return corev1.ResourceList{}, api.TimeInfo{}, fmt.Errorf("unexpected decrease in startTime of node/container")
+	}
 	if last.CumulativeCpuUsed < prev.CumulativeCpuUsed {
 		return corev1.ResourceList{}, api.TimeInfo{}, fmt.Errorf("unexpected decrease in cumulative CPU usage value")
 	}