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
}
}
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
}
}