Filed by sheriff-o-matic@appspot.gserviceaccount.com on behalf of shend@chromium.org

benchmarks.benchmark_smoke_unittest.BenchmarkSmokeTest.v8.runtime_stats.top_25 in telemetry_perf_unittests failing on multiple builders

Builders failed on: 
- Mac10.10 Tests: 
  https://build.chromium.org/p/chromium.mac/builders/Mac10.10%20Tests
- Mac10.11 Tests: 
  https://build.chromium.org/p/chromium.mac/builders/Mac10.11%20Tests

First failure:
https://ci.chromium.org/buildbot/chromium.mac/Mac10.11%20Tests/25000

but nothing in blamelist seems suspect.

Looks like something wrong with web sockets timing out:

  [ RUN      ] https://www.google.de/search?q=v8@{'cache_temperature': 'hot-browser'}
  Traceback (most recent call last):
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/story_runner.py", line 116, in _RunStoryAndProcessErrorIfNeeded
      state.WillRunStory(story)
    File "/b/s/w/ir/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 75, in traced_function
      return func(*args, **kwargs)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/page/shared_page_state.py", line 258, in WillRunStory
      self._current_page, self.browser, self._previous_page)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/page/cache_temperature.py", line 188, in EnsurePageCacheTemperature
      c.PrepareBrowserCache(page, browser, previous_page)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/page/cache_temperature.py", line 86, in PrepareBrowserCache
      cls.PrepareRendererCache(page, tab, previous_page)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/page/cache_temperature.py", line 174, in PrepareRendererCache
      _ClearCacheAndData(tab, page.url)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/page/cache_temperature.py", line 62, in _ClearCacheAndData
      tab.ClearDataForOrigin(url)
    File "/b/s/w/ir/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 75, in traced_function
      return func(*args, **kwargs)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/browser/tab.py", line 287, in ClearDataForOrigin
      return self._inspector_backend.ClearDataForOrigin(url, timeout)
    File "/b/s/w/ir/third_party/catapult/common/py_trace_event/py_trace_event/trace_event_impl/decorators.py", line 75, in traced_function
      return func(*args, **kwargs)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_backend.py", line 120, in ClearDataForOrigin
      self._storage.ClearDataForOrigin(url, timeout)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_storage.py", line 24, in ClearDataForOrigin
      }}, timeout)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 116, in SyncRequest
      res = self._Receive(timeout)
    File "/b/s/w/ir/third_party/catapult/telemetry/telemetry/internal/backends/chrome_inspector/inspector_websocket.py", line 155, in _Receive
      data = self._socket.recv()
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 293, in recv
      opcode, data = self.recv_data()
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 310, in recv_data
      opcode, frame = self.recv_data_frame(control_frame)
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 323, in recv_data_frame
      frame = self.recv_frame()
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 357, in recv_frame
      return self.frame_buffer.recv_frame()
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_abnf.py", line 336, in recv_frame
      self.recv_header()
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_abnf.py", line 286, in recv_header
      header = self.recv_strict(2)
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_abnf.py", line 371, in recv_strict
      bytes_ = self.recv(min(16384, shortage))
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_core.py", line 427, in _recv
      return recv(self.sock, bufsize)
    File "/b/s/w/ir/third_party/catapult/telemetry/third_party/websocket-client/websocket/_socket.py", line 83, in recv
      raise WebSocketTimeoutException(message)
  WebSocketTimeoutException: timed out