diff --git a/internal/util/metricsinfo/hardware_info.go b/internal/util/metricsinfo/hardware_info.go
index 0807f0afd36507e3aef69df69d445628809d60db..c9db6c72aef6b6d6a20754915046f0d27fd9b970 100644
--- a/internal/util/metricsinfo/hardware_info.go
+++ b/internal/util/metricsinfo/hardware_info.go
@@ -18,6 +18,7 @@ import (
 	"go.uber.org/zap"
 )
 
+// GetCPUCoreCount returns the count of cpu core.
 func GetCPUCoreCount(logical bool) int {
 	c, err := cpu.Counts(logical)
 	if err != nil {