|  | #!/usr/bin/env python3 | 
|  | # Copyright (C) 2018 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 | 
|  |  | 
|  | trace = synth_common.create_trace() | 
|  | trace.add_system_info(arch='aarch64') | 
|  |  | 
|  | trace.add_packet() | 
|  | trace.add_process(pid=1, ppid=0, cmdline="init") | 
|  | trace.add_process(pid=2, ppid=1, cmdline="two_thread_process") | 
|  | trace.add_process(pid=4, ppid=1, cmdline="single_thread_process") | 
|  | trace.add_thread(tid=3, tgid=2, cmdline="two_thread_process") | 
|  |  | 
|  | trace.add_ftrace_packet(cpu=0) | 
|  | trace.add_sys_enter(ts=100, tid=1, id=0) | 
|  | trace.add_sys_enter(ts=105, tid=2, id=1) | 
|  | trace.add_sys_exit(ts=106, tid=1, id=0, ret=0) | 
|  | trace.add_sys_exit(ts=110, tid=2, id=1, ret=0) | 
|  |  | 
|  | sys.stdout.buffer.write(trace.trace.SerializeToString()) |