From 71bfab77c33f6437865c552fb16f619a52ab24cb Mon Sep 17 00:00:00 2001
From: BUPT-wxq <1725712048@qq.com>
Date: Thu, 19 Oct 2023 14:28:24 +0800
Subject: [PATCH] fix uasgeWithHotPageCache and add usageWithPageCache

Signed-off-by: BUPT-wxq <1725712048@qq.com>
---
 pkg/koordlet/util/system/kidled_util.go | 10 ++++------
 1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/pkg/koordlet/util/system/kidled_util.go b/pkg/koordlet/util/system/kidled_util.go
index 6721cf2da..8b8827e17 100644
--- a/pkg/koordlet/util/system/kidled_util.go
+++ b/pkg/koordlet/util/system/kidled_util.go
@@ -136,7 +136,7 @@ func ParseMemoryIdlePageStats(content string) (*ColdPageInfoByKidled, error) {
 // boundary is the index of [1,2)  [2,5)  [5,15)  [15,30)  [30,60)  [60,120)  [120,240)  [240,+inf).
 // if boundary is equal to 3, it will compute sum([5*scan_period_scands,+inf)) of cold page cache
 func (i *ColdPageInfoByKidled) GetColdPageTotalBytes() uint64 {
-	return sum(i.Cfei, i.Dfei, i.Cfui, i.Dfui)
+	return sumUint64Slice(i.Cfei, i.Dfei, i.Cfui, i.Dfui)
 }
 
 // check kidled and set var isSupportColdSupport
@@ -214,13 +214,11 @@ func NewDefaultKidledConfig() *KidledConfig {
 	}
 }
 
-func sum(nums ...[]uint64) uint64 {
+func sumUint64Slice(nums ...[]uint64) uint64 {
 	var total uint64
 	for _, v := range nums {
-		for i, num := range v {
-			if i >= int(kidledColdBoundary) {
-				total += num
-			}
+		for i := kidledColdBoundary; i < len(v); i++ {
+			total = total + v[i]
 		}
 	}
 	return total