diff --git a/cmd/kperf/commands/virtualcluster/nodepool.go b/cmd/kperf/commands/virtualcluster/nodepool.go
new file mode 100644
index 0000000..2c64a90
--- /dev/null
+++ b/cmd/kperf/commands/virtualcluster/nodepool.go
@@ -0,0 +1,67 @@
+package virtualcluster
+
+import (
+	"fmt"
+
+	"github.com/urfave/cli"
+)
+
+var nodepoolCommand = cli.Command{
+	Name:  "nodepool",
+	Usage: "Manage virtual node pools",
+	Flags: []cli.Flag{
+		cli.StringFlag{
+			Name:  "kubeconfig",
+			Usage: "Path to the kubeconfig file",
+		},
+	},
+	Subcommands: []cli.Command{
+		nodepoolAddCommand,
+		nodepoolDelCommand,
+		nodepoolListCommand,
+	},
+}
+
+var nodepoolAddCommand = cli.Command{
+	Name:      "add",
+	Usage:     "Add a virtual node pool",
+	ArgsUsage: "NAME",
+	Flags: []cli.Flag{
+		cli.IntFlag{
+			Name:  "nodes",
+			Usage: "The number of virtual nodes",
+			Value: 10,
+		},
+		cli.IntFlag{
+			Name:  "cpu",
+			Usage: "The allocatable CPU resource per node",
+			Value: 8,
+		},
+		cli.IntFlag{
+			Name:  "memory",
+			Usage: "The allocatable Memory resource per node (GiB)",
+			Value: 16,
+		},
+	},
+	Action: func(cliCtx *cli.Context) error {
+		return fmt.Errorf("nodepool add - not implemented")
+	},
+}
+
+var nodepoolDelCommand = cli.Command{
+	Name:      "delete",
+	ShortName: "del",
+	ArgsUsage: "NAME",
+	Usage:     "Delete a virtual node pool",
+	Action: func(cliCtx *cli.Context) error {
+		return fmt.Errorf("nodepool delete - not implemented")
+	},
+}
+
+var nodepoolListCommand = cli.Command{
+	Name:  "list",
+	Usage: "List virtual node pools",
+	Action: func(cliCtx *cli.Context) error {
+		return fmt.Errorf("nodepool list - not implemented")
+	},
+}
diff --git a/cmd/kperf/commands/virtualcluster/vc.go b/cmd/kperf/commands/virtualcluster/vc.go
new file mode 100644
index 0000000..f869f82
--- /dev/null
+++ b/cmd/kperf/commands/virtualcluster/vc.go
@@ -0,0 +1,15 @@
+package virtualcluster
+
+import "github.com/urfave/cli"
+
+// const namespace = "kperf-virtualcluster"
+
+// Command represents virtualcluster subcommand.
+var Command = cli.Command{
+	Name:      "virtualcluster",
+	ShortName: "vc",
+	Usage:     "Setup virtual cluster and run workload on that",
+	Subcommands: []cli.Command{
+		nodepoolCommand,
+	},
+}
diff --git a/request/client.go b/request/client.go
index cab0618..7a6d3ce 100644
--- a/request/client.go
+++ b/request/client.go
@@ -26,12 +26,10 @@ func NewClients(kubeCfgPath string, ConnsNum int, userAgent string, qps int, con
 	if qps == 0 {
 		qps = math.MaxInt32
 	}
-
 	restCfg.QPS = float32(qps)
 	restCfg.NegotiatedSerializer = scheme.Codecs.WithoutConversion()
 
 	restCfg.UserAgent = userAgent
-
 	if restCfg.UserAgent == "" {
 		restCfg.UserAgent = rest.DefaultKubernetesUserAgent()
 	}