1#!/usr/bin/env python3 2# Copyright (C) 2019 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 22trace.add_packet(ts=1) 23trace.add_process(10, 0, "processa") 24trace.add_process(20, 0, "processb") 25 26trace.add_ftrace_packet(0) 27 28# Add a very long (~1 month long) sched slice. 29trace.add_sched(ts=50, prev_pid=10, next_pid=20) 30 31end_ts = 1 * 30 * 24 * 60 * 60 * 60 * 1000 * 1000 * 1000 32trace.add_sched(ts=end_ts, prev_pid=20, next_pid=10) 33 34sys.stdout.buffer.write(trace.trace.SerializeToString()) 35