| #!/usr/bin/env python3 |
| # Copyright (C) 2020 The Android Open Source Project |
| # |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| from os import sys |
| |
| import synth_common |
| from synth_common import s_to_ns |
| |
| trace = synth_common.create_trace() |
| |
| trace.add_chrome_metadata(os_name="Android") |
| |
| track1 = 1234 |
| track2 = 4567 |
| gpu_track = 7890 |
| |
| trace.add_process_track_descriptor(track1, pid=0) |
| trace.add_process_track_descriptor(track2, pid=2) |
| trace.add_process_track_descriptor(gpu_track, pid=4) |
| |
| frame_period = s_to_ns(1.0 / 60) |
| |
| trace.add_track_event_slice("VSync", ts=s_to_ns(3), dur=10, track=gpu_track) |
| trace.add_track_event_slice( |
| "VSync", ts=s_to_ns(3) + frame_period, dur=10, track=gpu_track) |
| # Frame skipped, but modified rail mode won't go back to foreground_idle |
| trace.add_track_event_slice( |
| "VSync", ts=s_to_ns(3) + frame_period * 3, dur=10, track=gpu_track) |
| # Larger gap now when mode will go to foreground_idle |
| trace.add_track_event_slice( |
| "VSync", ts=s_to_ns(3) + frame_period * 12, dur=10, track=gpu_track) |
| trace.add_track_event_slice( |
| "VSync", ts=s_to_ns(3) + frame_period * 13, dur=10, track=gpu_track) |
| trace.add_track_event_slice( |
| "VSync", ts=s_to_ns(3) + frame_period * 14, dur=10, track=gpu_track) |
| |
| trace.add_rail_mode_slice( |
| ts=0, |
| dur=s_to_ns(1), |
| track=track1, |
| mode=trace.prototypes.ChromeRAILMode.RAIL_MODE_RESPONSE) |
| trace.add_rail_mode_slice( |
| ts=s_to_ns(1), |
| dur=s_to_ns(2), |
| track=track1, |
| mode=trace.prototypes.ChromeRAILMode.RAIL_MODE_LOAD) |
| trace.add_rail_mode_slice( |
| ts=s_to_ns(3), |
| dur=-1, |
| track=track1, |
| mode=trace.prototypes.ChromeRAILMode.RAIL_MODE_IDLE) |
| |
| trace.add_rail_mode_slice( |
| ts=0, |
| dur=s_to_ns(1), |
| track=track2, |
| mode=trace.prototypes.ChromeRAILMode.RAIL_MODE_ANIMATION) |
| trace.add_rail_mode_slice( |
| ts=s_to_ns(1), |
| dur=s_to_ns(2.5), |
| track=track2, |
| mode=trace.prototypes.ChromeRAILMode.RAIL_MODE_IDLE) |
| trace.add_rail_mode_slice( |
| ts=s_to_ns(2.5), |
| dur=s_to_ns(1), |
| track=track2, |
| mode=trace.prototypes.ChromeRAILMode.RAIL_MODE_ANIMATION) |
| trace.add_rail_mode_slice( |
| ts=s_to_ns(3.5), |
| dur=s_to_ns(1), |
| track=track2, |
| mode=trace.prototypes.ChromeRAILMode.RAIL_MODE_IDLE) |
| |
| sys.stdout.buffer.write(trace.trace.SerializeToString()) |
