1#!/usr/bin/env python3 2# Copyright (C) 2022 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 16from os import sys, path 17 18import synth_common 19 20trace = synth_common.create_trace() 21# sys_write id is 64 on arm64 22trace.add_system_info(arch="aarch64") 23 24trace.add_ftrace_packet(cpu=0) 25# expect: one normal sys_write slice 26trace.add_sys_enter(ts=100, tid=42, id=64) 27trace.add_sys_exit(ts=200, tid=42, id=64, ret=0) 28# expect: truncated sys_write slice due to nesting workarounds 29trace.add_sys_enter(ts=300, tid=42, id=64) 30trace.add_sys_exit(ts=400, tid=42, id=64, ret=0) 31# expect: truncated sys_write slice due to nesting workarounds 32trace.add_sys_enter(ts=600, tid=42, id=64) 33trace.add_sys_exit(ts=700, tid=42, id=64, ret=0) 34 35trace.add_atrace_begin(ts=350, tid=42, pid=42, buf='test') 36trace.add_atrace_end(ts=650, tid=42, pid=42) 37 38sys.stdout.buffer.write(trace.trace.SerializeToString()) 39