diff --git a/schedulers/bpMaxMinProacCC.go b/schedulers/bpMaxMinProacCC.go
index 1f834da..fe44f60 100644
--- a/schedulers/bpMaxMinProacCC.go
+++ b/schedulers/bpMaxMinProacCC.go
@@ -3,7 +3,7 @@ package schedulers
 import (
 	"bitbucket.org/sunybingcloud/electron/constants"
 	"bitbucket.org/sunybingcloud/electron/def"
-	"bitbucket.org/sunybingcloud/electron/pcp"
+	powCap "bitbucket.org/sunybingcloud/electron/powerCapping"
 	"bitbucket.org/sunybingcloud/electron/rapl"
 	"bitbucket.org/sunybingcloud/electron/utilities/mesosUtils"
 	"bitbucket.org/sunybingcloud/electron/utilities/offerUtils"
@@ -45,7 +45,7 @@ type BPMaxMinProacCC struct {
 	availablePower map[string]float64
 	totalPower     map[string]float64
 	ignoreWatts    bool
-	capper         *pcp.ClusterwideCapper
+	capper         *powCap.ClusterwideCapper
 	ticker         *time.Ticker
 	recapTicker    *time.Ticker
 	isCapping      bool // indicate whether we are currently performing cluster-wide capping.
@@ -88,7 +88,7 @@ func NewBPMaxMinProacCC(tasks []def.Task, ignoreWatts bool, schedTracePrefix str
 		availablePower: make(map[string]float64),
 		totalPower:     make(map[string]float64),
 		RecordPCP:      false,
-		capper:         pcp.GetClusterwideCapperInstance(),
+		capper:         powCap.GetClusterwideCapperInstance(),
 		ticker:         time.NewTicker(10 * time.Second),
 		recapTicker:    time.NewTicker(20 * time.Second),
 		isCapping:      false,
diff --git a/schedulers/bpswClassMapWattsProacCC.go b/schedulers/bpswClassMapWattsProacCC.go
index d94df90..9a50a69 100644
--- a/schedulers/bpswClassMapWattsProacCC.go
+++ b/schedulers/bpswClassMapWattsProacCC.go
@@ -3,7 +3,7 @@ package schedulers
 import (
 	"bitbucket.org/sunybingcloud/electron/constants"
 	"bitbucket.org/sunybingcloud/electron/def"
-	"bitbucket.org/sunybingcloud/electron/pcp"
+	powCap "bitbucket.org/sunybingcloud/electron/powerCapping"
 	"bitbucket.org/sunybingcloud/electron/rapl"
 	"bitbucket.org/sunybingcloud/electron/utilities/mesosUtils"
 	"bitbucket.org/sunybingcloud/electron/utilities/offerUtils"
@@ -45,7 +45,7 @@ type BPSWClassMapWattsProacCC struct {
 	availablePower map[string]float64
 	totalPower     map[string]float64
 	ignoreWatts    bool
-	capper         *pcp.ClusterwideCapper
+	capper         *powCap.ClusterwideCapper
 	ticker         *time.Ticker
 	recapTicker    *time.Ticker
 	isCapping      bool // indicate whether we are currently performing cluster-wide capping.
@@ -88,7 +88,7 @@ func NewBPSWClassMapWattsProacCC(tasks []def.Task, ignoreWatts bool, schedTraceP
 		availablePower: make(map[string]float64),
 		totalPower:     make(map[string]float64),
 		RecordPCP:      false,
-		capper:         pcp.GetClusterwideCapperInstance(),
+		capper:         powCap.GetClusterwideCapperInstance(),
 		ticker:         time.NewTicker(10 * time.Second),
 		recapTicker:    time.NewTicker(20 * time.Second),
 		isCapping:      false,
diff --git a/schedulers/firstfitSortedWattsClassMapWattsProacCC.go b/schedulers/firstfitSortedWattsClassMapWattsProacCC.go
index f822b9a..f3a09d2 100644
--- a/schedulers/firstfitSortedWattsClassMapWattsProacCC.go
+++ b/schedulers/firstfitSortedWattsClassMapWattsProacCC.go
@@ -3,7 +3,7 @@ package schedulers
 import (
 	"bitbucket.org/sunybingcloud/electron/constants"
 	"bitbucket.org/sunybingcloud/electron/def"
-	"bitbucket.org/sunybingcloud/electron/pcp"
+	powCap "bitbucket.org/sunybingcloud/electron/powerCapping"
 	"bitbucket.org/sunybingcloud/electron/rapl"
 	"bitbucket.org/sunybingcloud/electron/utilities/mesosUtils"
 	"bitbucket.org/sunybingcloud/electron/utilities/offerUtils"
@@ -33,7 +33,7 @@ type FirstFitSortedWattsClassMapWattsProacCC struct {
 	availablePower map[string]float64
 	totalPower     map[string]float64
 	ignoreWatts    bool
-	capper         *pcp.ClusterwideCapper
+	capper         *powCap.ClusterwideCapper
 	ticker         *time.Ticker
 	recapTicker    *time.Ticker
 	isCapping      bool // indicate whether we are currently performing cluster-wide capping.
@@ -76,7 +76,7 @@ func NewFirstFitSortedWattsClassMapWattsProacCC(tasks []def.Task, ignoreWatts bo
 		availablePower: make(map[string]float64),
 		totalPower:     make(map[string]float64),
 		RecordPCP:      false,
-		capper:         pcp.GetClusterwideCapperInstance(),
+		capper:         powCap.GetClusterwideCapperInstance(),
 		ticker:         time.NewTicker(10 * time.Second),
 		recapTicker:    time.NewTicker(20 * time.Second),
 		isCapping:      false,
diff --git a/schedulers/proactiveclusterwidecappingfcfs.go b/schedulers/proactiveclusterwidecappingfcfs.go
index 9fc5695..c48c9de 100644
--- a/schedulers/proactiveclusterwidecappingfcfs.go
+++ b/schedulers/proactiveclusterwidecappingfcfs.go
@@ -3,7 +3,7 @@ package schedulers
 import (
 	"bitbucket.org/sunybingcloud/electron/constants"
 	"bitbucket.org/sunybingcloud/electron/def"
-	"bitbucket.org/sunybingcloud/electron/pcp"
+	powCap "bitbucket.org/sunybingcloud/electron/powerCapping"
 	"bitbucket.org/sunybingcloud/electron/rapl"
 	"bitbucket.org/sunybingcloud/electron/utilities/mesosUtils"
 	"bitbucket.org/sunybingcloud/electron/utilities/offerUtils"
@@ -42,7 +42,7 @@ type ProactiveClusterwideCapFCFS struct {
 	availablePower map[string]float64    // available power for each node in the cluster.
 	totalPower     map[string]float64    // total power for each node in the cluster.
 	ignoreWatts    bool
-	capper         *pcp.ClusterwideCapper
+	capper         *powCap.ClusterwideCapper
 	ticker         *time.Ticker
 	recapTicker    *time.Ticker
 	isCapping      bool // indicate whether we are currently performing cluster wide capping.
@@ -85,7 +85,7 @@ func NewProactiveClusterwideCapFCFS(tasks []def.Task, ignoreWatts bool, schedTra
 		availablePower: make(map[string]float64),
 		totalPower:     make(map[string]float64),
 		RecordPCP:      false,
-		capper:         pcp.GetClusterwideCapperInstance(),
+		capper:         powCap.GetClusterwideCapperInstance(),
 		ticker:         time.NewTicker(10 * time.Second),
 		recapTicker:    time.NewTicker(20 * time.Second),
 		isCapping:      false,
diff --git a/schedulers/proactiveclusterwidecappingranked.go b/schedulers/proactiveclusterwidecappingranked.go
index 9a8e4c4..c39f1c4 100644
--- a/schedulers/proactiveclusterwidecappingranked.go
+++ b/schedulers/proactiveclusterwidecappingranked.go
@@ -13,7 +13,7 @@ package schedulers
 import (
 	"bitbucket.org/sunybingcloud/electron/constants"
 	"bitbucket.org/sunybingcloud/electron/def"
-	"bitbucket.org/sunybingcloud/electron/pcp"
+	powCap "bitbucket.org/sunybingcloud/electron/powerCapping"
 	"bitbucket.org/sunybingcloud/electron/rapl"
 	"bitbucket.org/sunybingcloud/electron/utilities/mesosUtils"
 	"bitbucket.org/sunybingcloud/electron/utilities/offerUtils"
@@ -53,7 +53,7 @@ type ProactiveClusterwideCapRanked struct {
 	availablePower map[string]float64    // available power for each node in the cluster.
 	totalPower     map[string]float64    // total power for each node in the cluster.
 	ignoreWatts    bool
-	capper         *pcp.ClusterwideCapper
+	capper         *powCap.ClusterwideCapper
 	ticker         *time.Ticker
 	recapTicker    *time.Ticker
 	isCapping      bool // indicate whether we are currently performing cluster wide capping.
@@ -96,7 +96,7 @@ func NewProactiveClusterwideCapRanked(tasks []def.Task, ignoreWatts bool, schedT
 		availablePower: make(map[string]float64),
 		totalPower:     make(map[string]float64),
 		RecordPCP:      false,
-		capper:         pcp.GetClusterwideCapperInstance(),
+		capper:         powCap.GetClusterwideCapperInstance(),
 		ticker:         time.NewTicker(10 * time.Second),
 		recapTicker:    time.NewTicker(20 * time.Second),
 		isCapping:      false,