gitech

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// Copyright 2018 The Gitea Authors. All rights reserved.
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// SPDX-License-Identifier: MIT
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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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