forgejo/modules/pprof/pprof.go
Eng Zer Jun f2e7d5477f
refactor: move from io/ioutil to io and os package (#17109)
The io/ioutil package has been deprecated as of Go 1.16, see
https://golang.org/doc/go1.16#ioutil. This commit replaces the existing
io/ioutil functions with their new definitions in io and os packages.

Signed-off-by: Eng Zer Jun <engzerjun@gmail.com>

Co-authored-by: techknowlogick <techknowlogick@gitea.io>
2021-09-22 13:38:34 +08:00

46 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"
"os"
"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) error {
f, err := os.CreateTemp(pprofDataPath, fmt.Sprintf("memprofile_%s_", username))
if err != nil {
return err
}
defer f.Close()
runtime.GC() // get up-to-date statistics
return pprof.WriteHeapProfile(f)
}
// 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(), error) {
f, err := os.CreateTemp(pprofDataPath, fmt.Sprintf("cpuprofile_%s_", username))
if err != nil {
return nil, err
}
err = pprof.StartCPUProfile(f)
if err != nil {
log.Fatal("StartCPUProfile: %v", err)
}
return func() {
pprof.StopCPUProfile()
err = f.Close()
if err != nil {
log.Fatal("StopCPUProfile Close: %v", err)
}
}, nil
}