diff --git a/core/libs/prx/libSceAgcDriver/Execution/src/Driver/Presentation.cpp b/core/libs/prx/libSceAgcDriver/Execution/src/Driver/Presentation.cpp
index efbef80f39..95df96b461 100644
--- a/core/libs/prx/libSceAgcDriver/Execution/src/Driver/Presentation.cpp
+++ b/core/libs/prx/libSceAgcDriver/Execution/src/Driver/Presentation.cpp
@@ -66,13 +66,17 @@ void Driver::AttachWindow(const PresentationWindow& window) {
     CheckFailure();
     std::unique_lock replacing(deviceReplacement);
     GuestMemory::TagGpuLockSite(GuestMemory::GpuLockSite::Present);
+    PerformanceTimer timing("Driver.AttachWindow");
     std::lock_guard lock(GuestMemory::GpuMutex());
+    timing.Mark("gpu_mutex_wait");
     if (device) {
         require(device->Window() == nullptr, "a window is already attached to the device");
         device->PrepareForReplacement();
         replacedDevices.push_back(device);
+        timing.Mark("device_replacement");
     }
     device = std::make_shared<VulkanDevice>(&window);
+    timing.Mark("vulkan_device_create");
 }
 
 void Driver::Present(const PresentationWindow& window, const DisplayBuffer* buffer, const DisplayBuffer* plane, bool opaque, void (*gpuReady)(void*), void* context) {