forked from gitea/gitea
47 lines
1.2 KiB
Go
47 lines
1.2 KiB
Go
// Copyright 2018 The Gitea Authors. All rights reserved.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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package pprof
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import (
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"fmt"
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"os"
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"runtime"
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"runtime/pprof"
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"code.gitea.io/gitea/modules/log"
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)
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// DumpMemProfileForUsername dumps a memory profile at pprofDataPath as memprofile_<username>_<temporary id>
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func DumpMemProfileForUsername(pprofDataPath, username string) error {
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f, err := os.CreateTemp(pprofDataPath, fmt.Sprintf("memprofile_%s_", username))
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if err != nil {
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return err
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}
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defer f.Close()
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runtime.GC() // get up-to-date statistics
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return pprof.WriteHeapProfile(f)
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}
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// DumpCPUProfileForUsername dumps a CPU profile at pprofDataPath as cpuprofile_<username>_<temporary id>
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// the stop function it returns stops, writes and closes the CPU profile file
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func DumpCPUProfileForUsername(pprofDataPath, username string) (func(), error) {
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f, err := os.CreateTemp(pprofDataPath, fmt.Sprintf("cpuprofile_%s_", username))
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if err != nil {
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return nil, err
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}
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err = pprof.StartCPUProfile(f)
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if err != nil {
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log.Fatal("StartCPUProfile: %v", err)
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}
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return func() {
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pprof.StopCPUProfile()
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err = f.Close()
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if err != nil {
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log.Fatal("StopCPUProfile Close: %v", err)
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}
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}, nil
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}
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