/
profile.go
52 lines (45 loc) · 1.32 KB
/
profile.go
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// Copyright 2015 SeukWon Kang (kasworld@gmail.com)
// 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 profile
import (
"flag"
"log"
"os"
"runtime/pprof"
)
func WriteHeapProfile() {
f, err := os.Create(*memprofilename)
if err != nil {
log.Fatalf("mem profile %v", err)
}
pprof.WriteHeapProfile(f)
f.Close()
}
func StartCPUProfile() func() {
f, err := os.Create(*cpuprofilename)
if err != nil {
log.Fatalf("cpu profile %v", err)
}
pprof.StartCPUProfile(f)
return pprof.StopCPUProfile
}
var cpuprofilename *string
var memprofilename *string
func AddArgs() {
cpuprofilename = flag.String("cpuprofilename", "", "cpu profile filename")
memprofilename = flag.String("memprofilename", "", "memory profile filename")
}
func IsCpu() bool {
return *cpuprofilename != ""
}
func IsMem() bool {
return *memprofilename != ""
}