| # Copyright 2014 The Chromium Authors. All rights reserved. |
| # Use of this source code is governed by a BSD-style license that can be |
| # found in the LICENSE file. |
| |
| from telemetry.timeline import importer |
| from tracing.trace_data import trace_data as trace_data_module |
| |
| |
| class SurfaceFlingerTimelineImporter(importer.TimelineImporter): |
| def __init__(self, model, trace_data): |
| super(SurfaceFlingerTimelineImporter, self).__init__( |
| model, trace_data, import_order=2) |
| traces = trace_data.GetTracesFor(trace_data_module.SURFACE_FLINGER_PART) |
| assert len(traces) == 1 |
| self._events = traces[0] |
| self._surface_flinger_process = None |
| |
| @staticmethod |
| def GetSupportedPart(): |
| return trace_data_module.SURFACE_FLINGER_PART |
| |
| def ImportEvents(self): |
| for event in self._events: |
| self._surface_flinger_process = self._model.GetOrCreateProcess( |
| event['pid']) |
| self._surface_flinger_process.name = 'SurfaceFlinger' |
| thread = self._surface_flinger_process.GetOrCreateThread(event['tid']) |
| thread.BeginSlice(event['cat'], |
| event['name'], |
| event['ts'], |
| args=event.get('args')) |
| thread.EndSlice(event['ts']) |
| |
| def FinalizeImport(self): |
| """Called by the Model after all other importers have imported their |
| events.""" |
| self._model.UpdateBounds() |
| self._model.surface_flinger_process = self._surface_flinger_process |
