diff --git a/content/test/gpu/gpu_tests/pixel_expectations.py b/content/test/gpu/gpu_tests/pixel_expectations.py
index 1dbd316e619c1..4641567321c42 100644
--- a/content/test/gpu/gpu_tests/pixel_expectations.py
+++ b/content/test/gpu/gpu_tests/pixel_expectations.py
@@ -139,3 +139,33 @@ def SetExpectations(self):
 
     self.Fail('Pixel_CSSFilterEffects', ['mac'], bug=815045)
     self.Fail('Pixel_CSSFilterEffects_NoOverlays', ['mac'], bug=815045)
+
+    # TODO(kainino): temporary suppressions for perf experiment
+    self.Fail('Pixel_2DCanvasWebGL',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_IOSurface2DCanvasWebGL',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_OffscreenCanvasTransferAfterStyleResize',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_OffscreenCanvasTransferBeforeStyleResize',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_OffscreenCanvasWebGLDefault',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_OffscreenCanvasWebGLDefaultWorker',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_OffscreenCanvasWebGLSoftwareCompositing',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_OffscreenCanvasWebGLSoftwareCompositingWorker',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_OffscreenCanvasWebglResizeOnWorker',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_WebGLGreenTriangle_AA_Alpha',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_WebGLGreenTriangle_AA_Alpha_SwiftShader',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_WebGLGreenTriangle_AA_NoAlpha',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_WebGLGreenTriangle_NonChromiumImage_AA_Alpha',
+        ['mac', 'intel'], bug=815154)
+    self.Fail('Pixel_WebGLGreenTriangle_NonChromiumImage_AA_NoAlpha',
+        ['mac', 'intel'], bug=815154)
diff --git a/gpu/config/gpu_driver_bug_list.json b/gpu/config/gpu_driver_bug_list.json
index be6fc45829ed7..2fd49df7d61a9 100644
--- a/gpu/config/gpu_driver_bug_list.json
+++ b/gpu/config/gpu_driver_bug_list.json
@@ -2777,6 +2777,13 @@
       "os": {
         "type": "macosx"
       },
+      "exceptions" : [
+        {
+          "comment": "TODO(kainino): testing whether this CL is really responsible for crbug.com/815154",
+          "vendor_id": "0x8086",
+          "device_id": ["0x0a2e"]
+        }
+      ],
       "vendor_id": "0x8086",
       "multi_gpu_category": "primary",
       "features": [