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1 # Copyright 2013 The Chromium Authors. All rights reserved. | 1 # Copyright 2013 The Chromium Authors. All rights reserved. |
2 # Use of this source code is governed by a BSD-style license that can be | 2 # Use of this source code is governed by a BSD-style license that can be |
3 # found in the LICENSE file. | 3 # found in the LICENSE file. |
4 | 4 |
5 import Queue | 5 import Queue |
6 import datetime | |
7 import logging | |
8 import re | |
9 import threading | 6 import threading |
10 | 7 |
11 from devil.android import device_utils | |
12 | |
13 | 8 |
14 # Log marker containing SurfaceTexture timestamps. | 9 # Log marker containing SurfaceTexture timestamps. |
15 _SURFACE_TEXTURE_TIMESTAMPS_MESSAGE = 'SurfaceTexture update timestamps' | 10 _SURFACE_TEXTURE_TIMESTAMPS_MESSAGE = 'SurfaceTexture update timestamps' |
16 _SURFACE_TEXTURE_TIMESTAMP_RE = r'\d+' | 11 _SURFACE_TEXTURE_TIMESTAMP_RE = r'\d+' |
17 | 12 |
18 | 13 |
19 class SurfaceStatsCollector(object): | 14 class SurfaceStatsCollector(object): |
20 """Collects surface stats for a SurfaceView from the output of SurfaceFlinger. | 15 """Collects surface stats for a SurfaceView from the output of SurfaceFlinger. |
21 | 16 |
22 Args: | 17 Args: |
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179 fields = line.split() | 174 fields = line.split() |
180 if len(fields) != 3: | 175 if len(fields) != 3: |
181 continue | 176 continue |
182 timestamp = long(fields[1]) | 177 timestamp = long(fields[1]) |
183 if timestamp == pending_fence_timestamp: | 178 if timestamp == pending_fence_timestamp: |
184 continue | 179 continue |
185 timestamp /= nanoseconds_per_millisecond | 180 timestamp /= nanoseconds_per_millisecond |
186 timestamps.append(timestamp) | 181 timestamps.append(timestamp) |
187 | 182 |
188 return (refresh_period, timestamps) | 183 return (refresh_period, timestamps) |
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