로거 레벨 지정

consumer/speed_controller.go

@@ -45,6 +45,7 @@ func (c *fanControl) StartControl() {
 		}
 	}()
 	defer close(c.fanSpeedConsumer)
+	defer log.Info("Fan control stopped")
 	log.Info("Fan control started")
 
 	ticker := time.Tick(c.sampleDuration)

main.go

@@ -13,14 +13,28 @@ import (
 	"amuz.es/src/infra/cpu_ctrl/processor"
 	"amuz.es/src/infra/cpu_ctrl/util"
 	"amuz.es/src/infra/cpu_ctrl/consumer"
+
+	"gopkg.in/alecthomas/kingpin.v2"
 )
 
 var (
+	app      = kingpin.New("cpu_ctrl", "Interactive CPU fan controller").Author("Sangbum Kim")
+	verbose  = app.Flag("verbose", "Enable verbose mode.").Short('v').Bool()
+	P        = app.Flag("proportional-gain", "Set proportional gain value.").Short('p').Default("1.5").Float64()
+	I        = app.Flag("integral-gain", "Set integral gain value.").Short('i').Default("0.3").Float64()
+	D        = app.Flag("derivative-gain", "Set derivative gain value.").Short('d').Default("1.0").Float64()
+	SetPoint = app.Flag("set-point", "Set pointe tempeture").Short('t').Default("38.0").Float64()
+
 	log = logger.NewLogger("cpu_ctrl")
 )
 
 func init() {
-	logger.InitLogger(true, "", &logger.Config{FileName: "Stderr"})
+	app.Version("0.3")
+	if _, err := app.Parse(os.Args[1:]); err != nil {
+		panic(err)
+	}
+	logger.InitLogger(*verbose, "", &logger.Config{FileName: "Stderr"})
+
 	setMaxProcs()
 }
 
@@ -75,7 +89,7 @@ func main() {
 		handler        = util.NewHandler()
 		sampleDuration = time.Second
 	)
-	log.Info("Cpu fan controller v0.2")
+	log.Infof("Cpu fan controller")
 
 	if processorCount == 0 {
 		handler.NotifyError(errors.New("cpu not found!"))
@@ -86,7 +100,7 @@ func main() {
 	processors = make([]processor.Processor, 0, processorCount)
 	for i := 0; i < processorCount; i++ {
 		if info, err := processor.NewProcessorInfo(handler, i, sampleDuration,
-			1.5, 0.4, 2.0, 38.0, 0x64, 0x4,
+			*P, *I, *D, *SetPoint, 0x64, 0x4,
 			nil, fanController.Consumer(),
 		);
 			err != nil {

processor/processor.go

@@ -125,6 +125,7 @@ func (p *processor) StartMonitoring() {
 
 	tempeturePathGlob := path.Join(p.tempeturePath, "temp?_input")
 	ticker := time.Tick(p.sampleDuration)
+	defer log.Infof("Processor %d monitor stopped", p.id)
 	log.Infof("Processor %d monitor started with %s", p.id, p.sampleDuration)
 
 	for {
@@ -147,7 +148,7 @@ func (p *processor) StartMonitoring() {
 					}
 				}
 				p.tempeture = highestTemp
-				log.Infof("processor %d : tempeture changed %f", p.id, highestTemp)
+				log.Debugf("processor %d : tempeture changed %f", p.id, highestTemp)
 			}
 
 			fanspeed = p.normalizeFanspeed(p.fanController.Update(highestTemp))
@@ -162,7 +163,7 @@ func (p *processor) StartMonitoring() {
 					}
 				}
 				p.fanSpeed = fanspeed
-				log.Infof("processor %d : fan changed 0x%x", p.id, fanspeed)
+				log.Debugf("processor %d : fan changed 0x%x", p.id, fanspeed)
 			}
 		case <-p.handler.Done():
 			return