diff --git a/performance-metrics/src/performance_tests.rs b/performance-metrics/src/performance_tests.rs
index 813963481..16f80a6c0 100644
--- a/performance-metrics/src/performance_tests.rs
+++ b/performance-metrics/src/performance_tests.rs
@@ -120,8 +120,14 @@ pub fn cleanup_tests() {
 // private network. The default constructor "Guest::new()" does not work
 // well, as we can easily create more than 256 VMs from repeating various
 // performance tests dozens times in a single run.
-fn performance_test_new_guest(disk_config: Box<dyn DiskConfig>) -> Guest {
-    Guest::new_from_ip_range(disk_config, "172.19", 0)
+fn performance_test_new_guest(disk_config: Box<dyn DiskConfig>, vm_type: GuestVmType) -> Guest {
+    let mut guest = Guest::new_from_ip_range(disk_config, "172.19", 0);
+    if vm_type == GuestVmType::Confidential {
+        guest.vm_type = GuestVmType::Confidential;
+        guest.boot_timeout = DEFAULT_CVM_TCP_LISTENER_TIMEOUT;
+        guest.nested = false;
+    }
+    guest
 }
 
 pub fn performance_net_throughput(control: &PerformanceTestControl) -> f64 {
@@ -129,7 +135,7 @@ pub fn performance_net_throughput(control: &PerformanceTestControl) -> f64 {
     let (rx, bandwidth) = control.net_control.unwrap();
 
     let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
-    let guest = performance_test_new_guest(Box::new(focal));
+    let guest = performance_test_new_guest(Box::new(focal), GuestVmType::Regular);
 
     let num_queues = control.num_queues.unwrap();
     let queue_size = control.queue_size.unwrap();
@@ -170,7 +176,7 @@ pub fn performance_net_throughput(control: &PerformanceTestControl) -> f64 {
 
 pub fn performance_net_latency(control: &PerformanceTestControl) -> f64 {
     let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
-    let guest = performance_test_new_guest(Box::new(focal));
+    let guest = performance_test_new_guest(Box::new(focal), GuestVmType::Regular);
 
     let num_queues = control.num_queues.unwrap();
     let queue_size = control.queue_size.unwrap();
@@ -318,7 +324,7 @@ fn measure_boot_time(cmd: &mut GuestCommand, test_timeout: u32) -> Result<f64, E
 pub fn performance_boot_time(control: &PerformanceTestControl) -> f64 {
     let r = std::panic::catch_unwind(|| {
         let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
-        let guest = performance_test_new_guest(Box::new(focal));
+        let guest = performance_test_new_guest(Box::new(focal), GuestVmType::Regular);
         let mut cmd = GuestCommand::new(&guest);
 
         let c = cmd
@@ -346,7 +352,7 @@ pub fn performance_boot_time(control: &PerformanceTestControl) -> f64 {
 pub fn performance_boot_time_pmem(control: &PerformanceTestControl) -> f64 {
     let r = std::panic::catch_unwind(|| {
         let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
-        let guest = performance_test_new_guest(Box::new(focal));
+        let guest = performance_test_new_guest(Box::new(focal), GuestVmType::Regular);
         let mut cmd = GuestCommand::new(&guest);
         let c = cmd
             .args([
@@ -387,7 +393,7 @@ pub fn performance_block_io(control: &PerformanceTestControl) -> f64 {
     let test_file = block_control.test_file;
 
     let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
-    let guest = performance_test_new_guest(Box::new(focal));
+    let guest = performance_test_new_guest(Box::new(focal), GuestVmType::Regular);
     let api_socket = guest
         .tmp_dir
         .as_path()
@@ -529,7 +535,7 @@ fn measure_restore_time(
 pub fn performance_restore_latency(control: &PerformanceTestControl) -> f64 {
     let r = std::panic::catch_unwind(|| {
         let focal = UbuntuDiskConfig::new(FOCAL_IMAGE_NAME.to_string());
-        let guest = performance_test_new_guest(Box::new(focal));
+        let guest = performance_test_new_guest(Box::new(focal), GuestVmType::Regular);
         let api_socket_source = String::from(
             guest
                 .tmp_dir