Add profiling

config/config.go

@@ -22,6 +22,7 @@ type TLSConnectionMonitor struct {
 
 type Config struct {
 	ListenAddr            string                 `toml:"ListenAddr"`
+	Profiling             bool                   `toml:"Profiling"`
 	StepMonitors          []StepMonitor          `toml:"StepMonitors"`
 	TLSConnectionMonitors []TLSConnectionMonitor `toml:"TLSConnectionMonitors"`
 }