Ejemplo n.º 1
0
func (s *server) signalToggleTrace() {
	if s.traceFile == nil {
		traceFile, err := ioutil.TempFile("", common.ProductName+"_Trace_")
		if goshawk.CheckWarn(err) {
			return
		}
		if goshawk.CheckWarn(trace.Start(traceFile)) {
			return
		}
		s.traceFile = traceFile
		log.Println("Tracing started in", traceFile.Name())

	} else {
		trace.Stop()
		if !goshawk.CheckWarn(s.traceFile.Close()) {
			log.Println("Tracing stopped in", s.traceFile.Name())
		}
		s.traceFile = nil
	}
}
Ejemplo n.º 2
0
func (s *server) signalToggleCpuProfile() {
	if s.profileFile == nil {
		memFile, err := ioutil.TempFile("", common.ProductName+"_Mem_Profile_")
		if goshawk.CheckWarn(err) {
			return
		}
		if goshawk.CheckWarn(pprof.Lookup("heap").WriteTo(memFile, 0)) {
			return
		}
		if !goshawk.CheckWarn(memFile.Close()) {
			log.Println("Memory profile written to", memFile.Name())
		}

		profFile, err := ioutil.TempFile("", common.ProductName+"_CPU_Profile_")
		if goshawk.CheckWarn(err) {
			return
		}
		if goshawk.CheckWarn(pprof.StartCPUProfile(profFile)) {
			return
		}
		s.profileFile = profFile
		log.Println("Profiling started in", profFile.Name())

	} else {
		pprof.StopCPUProfile()
		if !goshawk.CheckWarn(s.profileFile.Close()) {
			log.Println("Profiling stopped in", s.profileFile.Name())
		}
		s.profileFile = nil
	}
}