1 files changed, 5 insertions, 0 deletions
diff --git a/chromium/third_party/dawn/src/dawn_native/metal/QueueMTL.mm b/chromium/third_party/dawn/src/dawn_native/metal/QueueMTL.mm
index ffd82924ed4..084c9ef05bb 100644
--- a/chromium/third_party/dawn/src/dawn_native/metal/QueueMTL.mm
+++ b/chromium/third_party/dawn/src/dawn_native/metal/QueueMTL.mm
@@ -16,6 +16,7 @@
 
 #include "dawn_native/metal/CommandBufferMTL.h"
 #include "dawn_native/metal/DeviceMTL.h"
+#include "dawn_platform/tracing/TraceEvent.h"
 
 namespace dawn_native { namespace metal {
 
@@ -27,9 +28,13 @@ namespace dawn_native { namespace metal {
         device->Tick();
         id<MTLCommandBuffer> commandBuffer = device->GetPendingCommandBuffer();
 
+        TRACE_EVENT_BEGIN0(GetDevice()->GetPlatform(), TRACE_DISABLED_BY_DEFAULT("gpu.dawn"),
+                           "CommandBufferMTL::FillCommands");
         for (uint32_t i = 0; i < commandCount; ++i) {
             ToBackend(commands[i])->FillCommands(commandBuffer);
         }
+        TRACE_EVENT_END0(GetDevice()->GetPlatform(), TRACE_DISABLED_BY_DEFAULT("gpu.dawn"),
+                         "CommandBufferMTL::FillCommands");
 
         device->SubmitPendingCommandBuffer();
     }