diff --git a/test/e2e/framework/perf_util.go b/test/e2e/framework/perf_util.go
index 6ce84164ae7..9e8405f4bc4 100644
--- a/test/e2e/framework/perf_util.go
+++ b/test/e2e/framework/perf_util.go
@@ -78,27 +78,20 @@ func PrintPerfData(p *perftype.PerfData) {
 // Notice that this function only cares about memory usage, because cpu usage information will be extracted from NodesCPUSummary.
 func ResourceUsageToPerfDataWithLabels(usagePerNode ResourceUsagePerNode, labels map[string]string) *perftype.PerfData {
 	items := []perftype.DataItem{}
-	for node, usages := range usagePerNode {
+	for _, usages := range usagePerNode {
 		for c, usage := range usages {
-			newLabels := map[string]string{
-				"node":      node,
-				"container": c,
-				"resource":  "memory",
-			}
-			if labels != nil {
-				for k, v := range labels {
-					newLabels[k] = v
-				}
-			}
-
 			item := perftype.DataItem{
 				Data: map[string]float64{
 					"memory":     float64(usage.MemoryUsageInBytes) / (1024 * 1024),
 					"workingset": float64(usage.MemoryWorkingSetInBytes) / (1024 * 1024),
 					"rss":        float64(usage.MemoryRSSInBytes) / (1024 * 1024),
 				},
-				Unit:   "MB",
-				Labels: newLabels,
+				Unit: "MB",
+				Labels: map[string]string{
+					"container": c,
+					"datatype":  "resource",
+					"resource":  "memory",
+				},
 			}
 			items = append(items, item)
 		}
@@ -106,34 +99,28 @@ func ResourceUsageToPerfDataWithLabels(usagePerNode ResourceUsagePerNode, labels
 	return &perftype.PerfData{
 		Version:   currentKubeletPerfMetricsVersion,
 		DataItems: items,
+		Labels:    labels,
 	}
 }
 
 // CPUUsageToPerfDataWithLabels transforms NodesCPUSummary to PerfData with additional labels.
 func CPUUsageToPerfDataWithLabels(usagePerNode NodesCPUSummary, labels map[string]string) *perftype.PerfData {
 	items := []perftype.DataItem{}
-	for node, usages := range usagePerNode {
+	for _, usages := range usagePerNode {
 		for c, usage := range usages {
-			newLabels := map[string]string{
-				"node":      node,
-				"container": c,
-				"resource":  "cpu",
-			}
-			if labels != nil {
-				for k, v := range labels {
-					newLabels[k] = v
-				}
-			}
-
 			data := map[string]float64{}
 			for perc, value := range usage {
 				data[fmt.Sprintf("Perc%02.0f", perc*100)] = value * 1000
 			}
 
 			item := perftype.DataItem{
-				Data:   data,
-				Unit:   "mCPU",
-				Labels: newLabels,
+				Data: data,
+				Unit: "mCPU",
+				Labels: map[string]string{
+					"container": c,
+					"datatype":  "resource",
+					"resource":  "cpu",
+				},
 			}
 			items = append(items, item)
 		}
@@ -141,5 +128,6 @@ func CPUUsageToPerfDataWithLabels(usagePerNode NodesCPUSummary, labels map[strin
 	return &perftype.PerfData{
 		Version:   currentKubeletPerfMetricsVersion,
 		DataItems: items,
+		Labels:    labels,
 	}
 }
diff --git a/test/e2e/perftype/perftype.go b/test/e2e/perftype/perftype.go
index c39585de43d..48f819ec235 100644
--- a/test/e2e/perftype/perftype.go
+++ b/test/e2e/perftype/perftype.go
@@ -31,7 +31,7 @@ type DataItem struct {
 	// should have the same unit.
 	Unit string `json:"unit"`
 	// Labels is the labels of the data item.
-	Labels map[string]string `json:"labels"`
+	Labels map[string]string `json:"labels,omitempty"`
 }
 
 // PerfData contains all data items generated in current test.
@@ -40,6 +40,8 @@ type PerfData struct {
 	// to detect metrics version change and decide what version to support.
 	Version   string     `json:"version"`
 	DataItems []DataItem `json:"dataItems"`
+	// Labels is the labels of the dataset.
+	Labels map[string]string `json:"labels,omitempty"`
 }
 
 // PerfResultTag is the prefix of generated perfdata. Analyzing tools can find the perf result
diff --git a/test/e2e_node/benchmark_util.go b/test/e2e_node/benchmark_util.go
index 7a30cd982ec..eb404ec0ecc 100644
--- a/test/e2e_node/benchmark_util.go
+++ b/test/e2e_node/benchmark_util.go
@@ -45,9 +45,8 @@ type NodeTimeSeries struct {
 func logDensityTimeSeries(rc *ResourceCollector, create, watch map[string]unversioned.Time, testName string) {
 	timeSeries := &NodeTimeSeries{
 		Labels: map[string]string{
-			"node":     framework.TestContext.NodeName,
-			"datatype": "timeseries",
-			"test":     testName,
+			"node": framework.TestContext.NodeName,
+			"test": testName,
 		},
 		Version: currentTimeSeriesVersion,
 	}
@@ -94,10 +93,12 @@ func getLatencyPerfData(latency framework.LatencyMetric, testName string) *perft
 				Labels: map[string]string{
 					"datatype":    "latency",
 					"latencytype": "test-e2e",
-					"node":        framework.TestContext.NodeName,
-					"test":        testName,
 				},
 			},
 		},
+		Labels: map[string]string{
+			"node": framework.TestContext.NodeName,
+			"test": testName,
+		},
 	}
 }
diff --git a/test/e2e_node/density_test.go b/test/e2e_node/density_test.go
index 68c2db38646..5135d5ab782 100644
--- a/test/e2e_node/density_test.go
+++ b/test/e2e_node/density_test.go
@@ -241,7 +241,7 @@ type densityTest struct {
 }
 
 func (dt *densityTest) getTestName() string {
-	return fmt.Sprintf("create_%s_%d_%d_%d", dt.createMethod, dt.podsNr, dt.bgPodsNr, dt.interval.Nanoseconds()/1000000)
+	return fmt.Sprintf("density_create_%s_%d_%d_%d", dt.createMethod, dt.podsNr, dt.bgPodsNr, dt.interval.Nanoseconds()/1000000)
 }
 
 // runDensityBatchTest runs the density batch pod creation test
diff --git a/test/e2e_node/resource_usage_test.go b/test/e2e_node/resource_usage_test.go
index 80265ac5cb9..3ac85ca943a 100644
--- a/test/e2e_node/resource_usage_test.go
+++ b/test/e2e_node/resource_usage_test.go
@@ -194,15 +194,9 @@ func logAndVerifyResource(f *framework.Framework, rc *ResourceCollector, cpuLimi
 
 	// Print resource usage
 	framework.PrintPerfData(framework.ResourceUsageToPerfDataWithLabels(usagePerNode,
-		map[string]string{
-			"datatype": "resource",
-			"test":     testName,
-		}))
+		map[string]string{"test": testName, "node": nodeName}))
 	framework.PrintPerfData(framework.CPUUsageToPerfDataWithLabels(cpuSummaryPerNode,
-		map[string]string{
-			"datatype": "resource",
-			"test":     testName,
-		}))
+		map[string]string{"test": testName, "node": nodeName}))
 
 	// Verify resource usage
 	if isVerify {