diff --git a/pkg/custompluginmonitor/custom_plugin_monitor.go b/pkg/custompluginmonitor/custom_plugin_monitor.go
index 636aca3a..6556f1cf 100644
--- a/pkg/custompluginmonitor/custom_plugin_monitor.go
+++ b/pkg/custompluginmonitor/custom_plugin_monitor.go
@@ -43,6 +43,7 @@ func init() {
 }
 
 type customPluginMonitor struct {
+	configPath string
 	config     cpmtypes.CustomPluginConfig
 	conditions []types.Condition
 	plugin     *plugin.Plugin
@@ -54,7 +55,8 @@ type customPluginMonitor struct {
 // NewCustomPluginMonitorOrDie create a new customPluginMonitor, panic if error occurs.
 func NewCustomPluginMonitorOrDie(configPath string) types.Monitor {
 	c := &customPluginMonitor{
-		tomb: tomb.NewTomb(),
+		configPath: configPath,
+		tomb:       tomb.NewTomb(),
 	}
 	f, err := ioutil.ReadFile(configPath)
 	if err != nil {
@@ -76,7 +78,7 @@ func NewCustomPluginMonitorOrDie(configPath string) types.Monitor {
 		glog.Fatalf("Failed to validate custom plugin config %+v: %v", c.config, err)
 	}
 
-	glog.Infof("Finish parsing custom plugin monitor config file: %+v", c.config)
+	glog.Infof("Finish parsing custom plugin monitor config file %s: %+v", c.configPath, c.config)
 
 	c.plugin = plugin.NewPlugin(c.config)
 	// A 1000 size channel should be big enough.
@@ -107,14 +109,14 @@ func initializeProblemMetricsOrDie(rules []*cpmtypes.CustomRule) {
 }
 
 func (c *customPluginMonitor) Start() (<-chan *types.Status, error) {
-	glog.Info("Start custom plugin monitor")
+	glog.Infof("Start custom plugin monitor %s", c.configPath)
 	go c.plugin.Run()
 	go c.monitorLoop()
 	return c.statusChan, nil
 }
 
 func (c *customPluginMonitor) Stop() {
-	glog.Info("Stop custom plugin monitor")
+	glog.Infof("Stop custom plugin monitor %s", c.configPath)
 	c.tomb.Stop()
 }
 
@@ -127,13 +129,13 @@ func (c *customPluginMonitor) monitorLoop() {
 	for {
 		select {
 		case result := <-resultChan:
-			glog.V(3).Infof("Receive new plugin result: %+v", result)
+			glog.V(3).Infof("Receive new plugin result for %s: %+v", c.configPath, result)
 			status := c.generateStatus(result)
 			glog.Infof("New status generated: %+v", status)
 			c.statusChan <- status
 		case <-c.tomb.Stopping():
 			c.plugin.Stop()
-			glog.Infof("Custom plugin monitor stopped")
+			glog.Infof("Custom plugin monitor stopped: %s", c.configPath)
 			c.tomb.Done()
 			break
 		}
diff --git a/pkg/systemlogmonitor/log_monitor.go b/pkg/systemlogmonitor/log_monitor.go
index 784b30dc..777f7268 100644
--- a/pkg/systemlogmonitor/log_monitor.go
+++ b/pkg/systemlogmonitor/log_monitor.go
@@ -45,6 +45,7 @@ func init() {
 }
 
 type logMonitor struct {
+	configPath string
 	watcher    watchertypes.LogWatcher
 	buffer     LogBuffer
 	config     MonitorConfig
@@ -56,7 +57,10 @@ type logMonitor struct {
 
 // NewLogMonitorOrDie create a new LogMonitor, panic if error occurs.
 func NewLogMonitorOrDie(configPath string) types.Monitor {
-	l := &logMonitor{tomb: tomb.NewTomb()}
+	l := &logMonitor{
+		configPath: configPath,
+		tomb:       tomb.NewTomb(),
+	}
 
 	f, err := ioutil.ReadFile(configPath)
 	if err != nil {
@@ -70,9 +74,9 @@ func NewLogMonitorOrDie(configPath string) types.Monitor {
 	(&l.config).ApplyDefaultConfiguration()
 	err = l.config.ValidateRules()
 	if err != nil {
-		glog.Fatalf("Failed to validate matching rules %+v: %v", l.config.Rules, err)
+		glog.Fatalf("Failed to validate %s matching rules %+v: %v", l.configPath, l.config.Rules, err)
 	}
-	glog.Infof("Finish parsing log monitor config file: %+v", l.config)
+	glog.Infof("Finish parsing log monitor config file %s: %+v", l.configPath, l.config)
 
 	l.watcher = logwatchers.GetLogWatcherOrDie(l.config.WatcherConfig)
 	l.buffer = NewLogBuffer(l.config.BufferSize)
@@ -104,7 +108,7 @@ func initializeProblemMetricsOrDie(rules []systemlogtypes.Rule) {
 }
 
 func (l *logMonitor) Start() (<-chan *types.Status, error) {
-	glog.Info("Start log monitor")
+	glog.Infof("Start log monitor %s", l.configPath)
 	var err error
 	l.logCh, err = l.watcher.Watch()
 	if err != nil {
@@ -115,7 +119,7 @@ func (l *logMonitor) Start() (<-chan *types.Status, error) {
 }
 
 func (l *logMonitor) Stop() {
-	glog.Info("Stop log monitor")
+	glog.Infof("Stop log monitor %s", l.configPath)
 	l.tomb.Stop()
 }
 
@@ -129,7 +133,7 @@ func (l *logMonitor) monitorLoop() {
 			l.parseLog(log)
 		case <-l.tomb.Stopping():
 			l.watcher.Stop()
-			glog.Infof("Log monitor stopped")
+			glog.Infof("Log monitor stopped: %s", l.configPath)
 			return
 		}
 	}
diff --git a/pkg/systemstatsmonitor/system_stats_monitor.go b/pkg/systemstatsmonitor/system_stats_monitor.go
index d03b4ae0..0e7fb367 100644
--- a/pkg/systemstatsmonitor/system_stats_monitor.go
+++ b/pkg/systemstatsmonitor/system_stats_monitor.go
@@ -38,6 +38,7 @@ func init() {
 }
 
 type systemStatsMonitor struct {
+	configPath    string
 	config        ssmtypes.SystemStatsConfig
 	diskCollector *diskCollector
 	hostCollector *hostCollector
@@ -47,7 +48,8 @@ type systemStatsMonitor struct {
 // NewSystemStatsMonitorOrDie creates a system stats monitor.
 func NewSystemStatsMonitorOrDie(configPath string) types.Monitor {
 	ssm := systemStatsMonitor{
-		tomb: tomb.NewTomb(),
+		configPath: configPath,
+		tomb:       tomb.NewTomb(),
 	}
 
 	// Apply configurations.
@@ -67,7 +69,7 @@ func NewSystemStatsMonitorOrDie(configPath string) types.Monitor {
 
 	err = ssm.config.Validate()
 	if err != nil {
-		glog.Fatalf("Failed to validate configuration %+v: %v", ssm.config, err)
+		glog.Fatalf("Failed to validate %s configuration %+v: %v", ssm.configPath, ssm.config, err)
 	}
 
 	if len(ssm.config.DiskConfig.MetricsConfigs) > 0 {
@@ -80,7 +82,7 @@ func NewSystemStatsMonitorOrDie(configPath string) types.Monitor {
 }
 
 func (ssm *systemStatsMonitor) Start() (<-chan *types.Status, error) {
-	glog.Info("Start system stats monitor")
+	glog.Infof("Start system stats monitor %s", ssm.configPath)
 	go ssm.monitorLoop()
 	return nil, nil
 }
@@ -93,7 +95,7 @@ func (ssm *systemStatsMonitor) monitorLoop() {
 
 	select {
 	case <-ssm.tomb.Stopping():
-		glog.Infof("System stats monitor stopped")
+		glog.Infof("System stats monitor stopped: %s", ssm.configPath)
 		return
 	default:
 		ssm.diskCollector.collect()
@@ -106,13 +108,13 @@ func (ssm *systemStatsMonitor) monitorLoop() {
 			ssm.diskCollector.collect()
 			ssm.hostCollector.collect()
 		case <-ssm.tomb.Stopping():
-			glog.Infof("System stats monitor stopped")
+			glog.Infof("System stats monitor stopped: %s", ssm.configPath)
 			return
 		}
 	}
 }
 
 func (ssm *systemStatsMonitor) Stop() {
-	glog.Info("Stop system stats monitor")
+	glog.Infof("Stop system stats monitor %s", ssm.configPath)
 	ssm.tomb.Stop()
 }