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forgejo/routers/web/admin/diagnosis.go

68 lines
1.7 KiB
Go

// Copyright 2023 The Gitea Authors.
// SPDX-License-Identifier: MIT
package admin
import (
"archive/zip"
"fmt"
"runtime/pprof"
"time"
"code.gitea.io/gitea/modules/context"
"code.gitea.io/gitea/modules/httplib"
)
func MonitorDiagnosis(ctx *context.Context) {
seconds := ctx.FormInt64("seconds")
if seconds <= 5 {
seconds = 5
}
if seconds > 300 {
seconds = 300
}
httplib.ServeSetHeaders(ctx.Resp, &httplib.ServeHeaderOptions{
ContentType: "application/zip",
Disposition: "attachment",
Filename: fmt.Sprintf("gitea-diagnosis-%s.zip", time.Now().Format("20060102-150405")),
})
zipWriter := zip.NewWriter(ctx.Resp)
defer zipWriter.Close()
f, err := zipWriter.CreateHeader(&zip.FileHeader{Name: "goroutine-before.txt", Method: zip.Deflate, Modified: time.Now()})
if err != nil {
ctx.ServerError("Failed to create zip file", err)
return
}
_ = pprof.Lookup("goroutine").WriteTo(f, 1)
f, err = zipWriter.CreateHeader(&zip.FileHeader{Name: "cpu-profile.dat", Method: zip.Deflate, Modified: time.Now()})
if err != nil {
ctx.ServerError("Failed to create zip file", err)
return
}
err = pprof.StartCPUProfile(f)
if err == nil {
time.Sleep(time.Duration(seconds) * time.Second)
pprof.StopCPUProfile()
} else {
_, _ = f.Write([]byte(err.Error()))
}
f, err = zipWriter.CreateHeader(&zip.FileHeader{Name: "goroutine-after.txt", Method: zip.Deflate, Modified: time.Now()})
if err != nil {
ctx.ServerError("Failed to create zip file", err)
return
}
_ = pprof.Lookup("goroutine").WriteTo(f, 1)
f, err = zipWriter.CreateHeader(&zip.FileHeader{Name: "heap.dat", Method: zip.Deflate, Modified: time.Now()})
if err != nil {
ctx.ServerError("Failed to create zip file", err)
return
}
_ = pprof.Lookup("heap").WriteTo(f, 0)
}