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Add Close() for profile

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This commit is contained in:
sunzhaochang 2021-12-15 21:03:34 +08:00
parent 87a54cbd3f
commit 82c9d80295
1 changed files with 7 additions and 1 deletions
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8
staging/src/k8s.io/kubectl/pkg/cmd/profiling.go
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@ -37,11 +37,15 @@ func addProfilingFlags(flags *pflag.FlagSet) {
} }
func initProfiling() error { func initProfiling() error {
var (
f *os.File
err error
)
switch profileName { switch profileName {
case "none": case "none":
return nil return nil
case "cpu": case "cpu":
f, err := os.Create(profileOutput) f, err = os.Create(profileOutput)
if err != nil { if err != nil {
return err return err
} }
@ -68,6 +72,7 @@ func initProfiling() error {
signal.Notify(c, os.Interrupt) signal.Notify(c, os.Interrupt)
go func() { go func() {
<-c <-c
f.Close()
flushProfiling() flushProfiling()
os.Exit(0) os.Exit(0)
}() }()
@ -93,6 +98,7 @@ func flushProfiling() error {
if err != nil { if err != nil {
return err return err
} }
defer f.Close()
profile.WriteTo(f, 0) profile.WriteTo(f, 0)
} }