|  | #!/usr/bin/env python3 | 
|  | # Copyright (C) 2019 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, path | 
|  |  | 
|  | import synth_common | 
|  |  | 
|  | class BufferEvent: | 
|  | UNSPECIFIED = 0 | 
|  | DEQUEUE = 1 | 
|  | QUEUE = 2 | 
|  | POST = 3 | 
|  | ACQUIRE_FENCE = 4 | 
|  | LATCH = 5 | 
|  | HWC_COMPOSITION_QUEUED = 6 | 
|  | FALLBACK_COMPOSITION = 7 | 
|  | PRESENT_FENCE = 8 | 
|  | RELEASE_FENCE = 9 | 
|  | MODIFY = 10 | 
|  | DETACH = 11 | 
|  | ATTACH = 12 | 
|  | CANCEL = 13 | 
|  |  | 
|  | trace = synth_common.create_trace() | 
|  | # Layer 1 | 
|  | trace.add_buffer_event_packet(ts=1, buffer_id=1, layer_name="layer1", frame_number=11, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=4, buffer_id=1, layer_name="layer1", frame_number=11, event_type=BufferEvent.QUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=6, buffer_id=1, layer_name="layer1", frame_number=11, event_type=BufferEvent.ACQUIRE_FENCE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=8, buffer_id=1, layer_name="layer1", frame_number=11, event_type=BufferEvent.LATCH, duration=0) | 
|  | trace.add_buffer_event_packet(ts=14, buffer_id=1, layer_name="layer1", frame_number=11, event_type=BufferEvent.PRESENT_FENCE, duration=0) | 
|  | # Layer 2 | 
|  | trace.add_buffer_event_packet(ts=6, buffer_id=2, layer_name="layer2", frame_number=12, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=8, buffer_id=2, layer_name="layer2", frame_number=12, event_type=BufferEvent.ACQUIRE_FENCE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=9, buffer_id=2, layer_name="layer2", frame_number=12, event_type=BufferEvent.QUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=11, buffer_id=2, layer_name="layer2", frame_number=12, event_type=BufferEvent.LATCH, duration=0) | 
|  | trace.add_buffer_event_packet(ts=16, buffer_id=2, layer_name="layer2", frame_number=12, event_type=BufferEvent.PRESENT_FENCE, duration=0) | 
|  | # Next Present of layer 1 | 
|  | trace.add_buffer_event_packet(ts=24, buffer_id=1, layer_name="layer1", frame_number=13, event_type=BufferEvent.PRESENT_FENCE, duration=0) | 
|  | # Missing id. | 
|  | trace.add_buffer_event_packet(ts=6, buffer_id=-1, layer_name="layer6", frame_number=14, event_type=BufferEvent.HWC_COMPOSITION_QUEUED, duration=0) | 
|  | # Missing type. | 
|  | trace.add_buffer_event_packet(ts=7, buffer_id=7, layer_name="layer7", frame_number=15, event_type=-1, duration=0) | 
|  | # Missing Acquire | 
|  | trace.add_buffer_event_packet(ts=31, buffer_id=1, layer_name="layer1", frame_number=21, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=34, buffer_id=1, layer_name="layer1", frame_number=21, event_type=BufferEvent.QUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=37, buffer_id=1, layer_name="layer1", frame_number=22, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=41, buffer_id=1, layer_name="layer1", frame_number=22, event_type=BufferEvent.QUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=46, buffer_id=1, layer_name="layer1", frame_number=22, event_type=BufferEvent.ACQUIRE_FENCE, duration=0) | 
|  | # Missing queue with acquire | 
|  | trace.add_buffer_event_packet(ts=53, buffer_id=2, layer_name="layer2", frame_number=24, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=59, buffer_id=2, layer_name="layer2", frame_number=24, event_type=BufferEvent.ACQUIRE_FENCE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=61, buffer_id=2, layer_name="layer2", frame_number=24, event_type=BufferEvent.LATCH, duration=0) | 
|  | # Missing queue without acquire | 
|  | trace.add_buffer_event_packet(ts=63, buffer_id=1, layer_name="layer1", frame_number=25, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=73, buffer_id=1, layer_name="layer1", frame_number=26, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=75, buffer_id=1, layer_name="layer1", frame_number=26, event_type=BufferEvent.QUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=79, buffer_id=1, layer_name="layer1", frame_number=26, event_type=BufferEvent.ACQUIRE_FENCE, duration=0) | 
|  | # Same buffer in multiple layers | 
|  | trace.add_buffer_event_packet(ts=81, buffer_id=1, layer_name="layer1", frame_number=30, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=83, buffer_id=1, layer_name="layer1", frame_number=30, event_type=BufferEvent.QUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=90, buffer_id=1, layer_name="layer2", frame_number=35, event_type=BufferEvent.DEQUEUE, duration=0) | 
|  | trace.add_buffer_event_packet(ts=92, buffer_id=1, layer_name="layer2", frame_number=35, event_type=BufferEvent.QUEUE, duration=0) | 
|  | sys.stdout.buffer.write(trace.trace.SerializeToString()) |