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") 28 29trace.add_ftrace_packet(1) 30 31# unskipped validation 32trace.add_atrace_begin(ts=100, tid=10335, pid=10335, buf="onMessageRefresh") 33trace.add_atrace_begin(ts=200, tid=10335, pid=10335, buf="HwcPresentOrValidateDisplay") 34trace.add_atrace_end(ts=300, tid=10335, pid=10335) 35trace.add_atrace_begin(ts=400, tid=10335, pid=10335, buf="HwcPresentDisplay") 36trace.add_atrace_end(ts=500, tid=10335, pid=10335) 37trace.add_atrace_end(ts=600, tid=10335, pid=10335) 38 39# skipped validation 40trace.add_atrace_begin(ts=1_100, tid=10335, pid=10335, buf="onMessageRefresh") 41trace.add_atrace_begin(ts=1_200, tid=10335, pid=10335, buf="HwcPresentOrValidateDisplay") 42trace.add_atrace_end(ts=1_300, tid=10335, pid=10335) 43trace.add_atrace_end(ts=1_400, tid=10335, pid=10335) 44 45# separated validation 46trace.add_atrace_begin(ts=2_100, tid=10335, pid=10335, buf="onMessageRefresh") 47trace.add_atrace_begin(ts=2_200, tid=10335, pid=10335, buf="otherFunction") 48trace.add_atrace_begin(ts=2_300, tid=10335, pid=10335, buf="HwcValidateDisplay") 49trace.add_atrace_end(ts=2_400, tid=10335, pid=10335) 50trace.add_atrace_end(ts=2_500, tid=10335, pid=10335) 51trace.add_atrace_begin(ts=2_600, tid=10335, pid=10335, buf="HwcPresentDisplay") 52trace.add_atrace_end(ts=2_700, tid=10335, pid=10335) 53trace.add_atrace_end(ts=2_800, tid=10335, pid=10335) 54 55# skipped validation 56trace.add_atrace_begin(ts=3_100, tid=10335, pid=10335, buf="AnotherFunction") 57trace.add_atrace_begin(ts=3_200, tid=10335, pid=10335, buf="onMessageRefresh") 58trace.add_atrace_begin(ts=3_300, tid=10335, pid=10335, buf="HwcPresentOrValidateDisplay") 59trace.add_atrace_end(ts=3_400, tid=10335, pid=10335) 60trace.add_atrace_end(ts=3_500, tid=10335, pid=10335) 61trace.add_atrace_end(ts=3_600, tid=10335, pid=10335) 62 63# incomplete (ignored) 64trace.add_atrace_begin(ts=4_100, tid=10335, pid=10335, buf="onMessageRefresh") 65trace.add_atrace_begin(ts=4_200, tid=10335, pid=10335, buf="HwcPresentOrValidateDisplay") 66trace.add_atrace_end(ts=4_300, tid=10335, pid=10335) 67trace.add_atrace_begin(ts=4_400, tid=10335, pid=10335, buf="HwcPresentDisplay") 68 69 70sys.stdout.buffer.write(trace.trace.SerializeToString()) 71