#!/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.

# This synthetic trace tests a multi-threaded process which forks in one of the
# non-main threads when the tgid for that thread is known.

from os import sys, path

from synth_common import CLONE_THREAD
import synth_common

trace = synth_common.create_trace()

# Create a multi-threaded process which will be forked below.
trace.add_packet(ts=1)
trace.add_process(10, 0, "main_thread")
trace.add_thread(11, 10, "worker_thread")

# Fork off the new process from the worker thread.
trace.add_ftrace_packet(0)
trace.add_newtask(ts=15, tid=11, new_tid=20, new_comm='child', flags=0)

sys.stdout.buffer.write(trace.trace.SerializeToString())