code: func (h *HandlerT) CpuProfile(file string, nsec uint) error {
  	if err := h.StartCPUProfile(file); err != nil {
  		return err
  	}
  	time.Sleep(time.Duration(nsec) * time.Second)
  	h.StopCPUProfile()
  	return nil
  }
docs: // CpuProfile turns on CPU profiling for nsec seconds and writes
  // profile data to file.