forgejo/modules/pprof/pprof.go

42 lines
1.3 KiB
Go

// Copyright 2018 The Gitea Authors. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
package pprof
import (
"fmt"
"io/ioutil"
"runtime"
"runtime/pprof"
"code.gitea.io/gitea/modules/log"
)
// DumpMemProfileForUsername dumps a memory profile at pprofDataPath as memprofile_<username>_<temporary id>
func DumpMemProfileForUsername(pprofDataPath, username string) {
f, err := ioutil.TempFile(pprofDataPath, fmt.Sprintf("memprofile_%s_", username))
if err != nil {
log.GitLogger.Fatal(4, "Could not create memory profile: %v", err)
}
defer f.Close()
runtime.GC() // get up-to-date statistics
if err := pprof.WriteHeapProfile(f); err != nil {
log.GitLogger.Fatal(4, "Could not write memory profile: %v", err)
}
}
// DumpCPUProfileForUsername dumps a CPU profile at pprofDataPath as cpuprofile_<username>_<temporary id>
// it returns the stop function which stops, writes and closes the CPU profile file
func DumpCPUProfileForUsername(pprofDataPath, username string) func() {
f, err := ioutil.TempFile(pprofDataPath, fmt.Sprintf("cpuprofile_%s_", username))
if err != nil {
log.GitLogger.Fatal(4, "Could not create cpu profile: %v", err)
}
pprof.StartCPUProfile(f)
return func() {
pprof.StopCPUProfile()
f.Close()
}
}