Unexport kubectl cmd profiling

Kubernetes-commit: 2621e6a0d61fccdb50df3ec90a84de4ebc3b5de5

pkg/cmd/profiling.go

@@ -1,88 +0,0 @@
-/*
-Copyright 2017 The Kubernetes Authors.
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-    http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package cmd
-
-import (
-	"fmt"
-	"os"
-	"runtime"
-	"runtime/pprof"
-
-	"github.com/spf13/pflag"
-)
-
-var (
-	profileName   string
-	profileOutput string
-)
-
-func AddProfilingFlags(flags *pflag.FlagSet) {
-	flags.StringVar(&profileName, "profile", "none", "Name of profile to capture. One of (none|cpu|heap|goroutine|threadcreate|block|mutex)")
-	flags.StringVar(&profileOutput, "profile-output", "profile.pprof", "Name of the file to write the profile to")
-}
-
-func InitProfiling() error {
-	switch profileName {
-	case "none":
-		return nil
-	case "cpu":
-		f, err := os.Create(profileOutput)
-		if err != nil {
-			return err
-		}
-		return pprof.StartCPUProfile(f)
-	// Block and mutex profiles need a call to Set{Block,Mutex}ProfileRate to
-	// output anything. We choose to sample all events.
-	case "block":
-		runtime.SetBlockProfileRate(1)
-		return nil
-	case "mutex":
-		runtime.SetMutexProfileFraction(1)
-		return nil
-	default:
-		// Check the profile name is valid.
-		if profile := pprof.Lookup(profileName); profile == nil {
-			return fmt.Errorf("unknown profile '%s'", profileName)
-		}
-	}
-
-	return nil
-}
-
-func FlushProfiling() error {
-	switch profileName {
-	case "none":
-		return nil
-	case "cpu":
-		pprof.StopCPUProfile()
-	case "heap":
-		runtime.GC()
-		fallthrough
-	default:
-		profile := pprof.Lookup(profileName)
-		if profile == nil {
-			return nil
-		}
-		f, err := os.Create(profileOutput)
-		if err != nil {
-			return err
-		}
-		profile.WriteTo(f, 0)
-	}
-
-	return nil
-}