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zeekayandHanzo Dev
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Source files keep their SPDX-License-Identifier and Hanzo copyright line; the Gitea, Gogs and LFS Test Server copyrights they used to repeat now live once in NOTICE, alongside LICENSE. The header lint accepts any copyright line above the SPDX line, so it no longer demands an upstream one. Co-authored-by: Hanzo Dev <[email protected]>
46 lines
1.2 KiB
Go
46 lines
1.2 KiB
Go
// Copyright 2026 Hanzo AI, Inc. 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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"github.com/hanzoai/git/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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