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Initialize CPU stat code only if used (#2020)

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Co-authored-by: Josh Quintana <josh@highwaybenefits.com>
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Josh Quintana 2022-08-25 10:05:29 -04:00 committed by GitHub
parent 28166dedd6
commit 90cdd61efc
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1 changed files with 5 additions and 1 deletions
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6
core/stat/internal/cpu_linux.go
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@ -4,6 +4,7 @@ import (
"errors"
"fmt"
"strings"
"sync"
"time"
"github.com/zeromicro/go-zero/core/iox"
@ -22,8 +23,10 @@ var (
cores uint64
)
var initonce sync.Once
// if /proc not present, ignore the cpu calculation, like wsl linux
func init() {
func initialize() {
cpus, err := cpuSets()
if err != nil {
logx.Error(err)
@ -69,6 +72,7 @@ func init() {
// RefreshCpu refreshes cpu usage and returns.
func RefreshCpu() uint64 {
initonce.Do(initialize)
total, err := totalCpuUsage()
if err != nil {
return 0