1#!/usr/bin/env python3 2# Copyright (C) 2021 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16# This synthetic trace tests handling of the mm_id field in the rss_stat 17# event when mm_structs are reused on process death. 18 19from os import sys, path 20 21import synth_common 22 23trace = synth_common.create_trace() 24 25trace.add_packet(ts=1) 26trace.add_process(10, 1, "parent_process") 27trace.add_process(10335, 10, "child_process") 28trace.add_thread(15000, 10335, "worker thread") 29 30trace.add_ftrace_packet(1) 31 32# unskipped validation 33trace.add_atrace_begin(ts=100, tid=10335, pid=10335, buf="onMessageRefresh") 34trace.add_atrace_begin( 35 ts=200, tid=10335, pid=10335, buf="HwcPresentOrValidateDisplay 0") 36trace.add_atrace_end(ts=300, tid=10335, pid=10335) 37trace.add_atrace_begin(ts=400, tid=10335, pid=10335, buf="HwcPresentDisplay 0") 38trace.add_atrace_end(ts=500, tid=10335, pid=10335) 39trace.add_atrace_end(ts=600, tid=10335, pid=10335) 40 41# skipped validation 42trace.add_atrace_begin(ts=1_100, tid=10335, pid=10335, buf="composite 2") 43trace.add_atrace_begin( 44 ts=1_200, tid=10335, pid=10335, buf="HwcPresentOrValidateDisplay 0") 45trace.add_atrace_end(ts=1_300, tid=10335, pid=10335) 46trace.add_atrace_end(ts=1_400, tid=10335, pid=10335) 47 48# separated validation where HwcValidateDisplay is executed from worker thread 49trace.add_atrace_begin(ts=2_100, tid=10335, pid=10335, buf="composite 3") 50trace.add_atrace_begin(ts=2_200, tid=15000, pid=10335, buf="otherFunction") 51trace.add_atrace_begin( 52 ts=2_300, tid=15000, pid=10335, buf="HwcValidateDisplay 1") 53trace.add_atrace_end(ts=2_400, tid=15000, pid=10335) 54trace.add_atrace_end(ts=2_500, tid=15000, pid=10335) 55trace.add_atrace_begin( 56 ts=2_600, tid=10335, pid=10335, buf="HwcPresentDisplay 1") 57trace.add_atrace_end(ts=2_700, tid=10335, pid=10335) 58trace.add_atrace_end(ts=2_800, tid=10335, pid=10335) 59 60# skipped validation 61trace.add_atrace_begin(ts=3_100, tid=10335, pid=10335, buf="AnotherFunction") 62trace.add_atrace_begin(ts=3_200, tid=10335, pid=10335, buf="onMessageRefresh") 63trace.add_atrace_begin( 64 ts=3_300, tid=10335, pid=10335, buf="HwcPresentOrValidateDisplay 0") 65trace.add_atrace_end(ts=3_400, tid=10335, pid=10335) 66trace.add_atrace_end(ts=3_500, tid=10335, pid=10335) 67trace.add_atrace_end(ts=3_600, tid=10335, pid=10335) 68 69trace.add_atrace_begin( 70 ts=3_700, tid=15000, pid=10335, buf="HwcPresentOrValidateDisplay 1") 71trace.add_atrace_end(ts=3_800, tid=15000, pid=10335) 72 73# incomplete (ignored) 74trace.add_atrace_begin( 75 ts=4_200, tid=10335, pid=10335, buf="HwcValidateDisplay 1") 76trace.add_atrace_end(ts=4_300, tid=10335, pid=10335) 77 78sys.stdout.buffer.write(trace.trace.SerializeToString()) 79