Integrate perfvis profiling mode, and temporary report generator.

tools/telemetry/telemetry/timeline/model.py

Index: tools/telemetry/telemetry/timeline/model.py
diff --git a/tools/telemetry/telemetry/timeline/model.py b/tools/telemetry/telemetry/timeline/model.py
index 945a072dac457ec4a00d2040119bac6a42c5c7ca..540ca4262bdb07fa339452c34fd8d4b134e28c4b 100644
--- a/tools/telemetry/telemetry/timeline/model.py
+++ b/tools/telemetry/telemetry/timeline/model.py
@@ -17,6 +17,7 @@ from telemetry.timeline import empty_timeline_data_importer
 from telemetry.timeline import event_container
 from telemetry.timeline import inspector_importer
 from telemetry.timeline import trace_event_importer
+from telemetry.core.platform.profiler import perfvis_profiler
 
 # Register importers for data
 
@@ -62,6 +63,8 @@ class TimelineModel(event_container.TimelineEventContainer):
     self.import_errors = []
     self.metadata = []
     self.flow_events = []
+    self.time_shift = 0.0
+
     if timeline_data is not None:
       self.ImportTraces(timeline_data, shift_world_to_zero=shift_world_to_zero)
 
@@ -143,11 +146,39 @@ class TimelineModel(event_container.TimelineEventContainer):
     # to prevent the timeline from from being modified.
     self._frozen = True
 
+    # Dirty hack... save frame trace information for perfvis_profiler use.
+    comp_thread = [t for t in self.GetAllThreads() if t.name == 'Compositor']
+    if len(comp_thread) > 0:
+      slices = [
+          s for s in comp_thread[0].all_slices if '::SwapBuffers' in s.name]
+
+      if len(slices) > 2:
+        # Skip first last frames that may have one time costs.
+        num_frames = len(slices) - 2
+        min_time = slices[1].start - self.time_shift
+        max_time = slices[-2].end - self.time_shift
+
+        perfvis_profiler.timeline_metadata = {}
+        perfvis_profiler.timeline_metadata['num_frames'] = num_frames
+        perfvis_profiler.timeline_metadata['start_ts'] = min_time
+        perfvis_profiler.timeline_metadata['end_ts'] = max_time
+
+        perfvis_profiler.timeline_metadata['pid'] = {}
+        for process in self._processes.values():
+          perfvis_profiler.timeline_metadata['pid'][process.pid] = process.name
+
+        perfvis_profiler.timeline_metadata['tid'] = {}
+        for thread in self.GetAllThreads():
+          perfvis_profiler.timeline_metadata['tid'][thread.tid] = thread.name
+        print "### TimelineModel: num_frames: %d, start %0.3f end %0.3f ###" % (
+              num_frames, min_time, max_time)
+
   def ShiftWorldToZero(self):
     self.UpdateBounds()
     if self._bounds.is_empty:
       return
     shift_amount = self._bounds.min
+    self.time_shift -= shift_amount
     for event in self.IterAllEvents():
       event.start -= shift_amount