diff --git a/pkg/metric/pod/pod.go b/pkg/metric/pod/pod.go
index 48473fa..e8178b2 100644
--- a/pkg/metric/pod/pod.go
+++ b/pkg/metric/pod/pod.go
@@ -20,5 +20,6 @@ limitations under the License.
 package pod
 
 const (
-	CustomMetricPodCPULoad1Min = "pod_cpu_load_1min" // real-time cpu load
+	CustomMetricPodCPULoad1Min = "pod_cpu_load_1min" // cpu load
+	CustomMetricPodCPUUsage    = "pod_cpu_usage"     // cpu usage
 )