#!/usr/bin/python # 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 process which forks and then execs. from os import sys, path sys.path.append(path.dirname(path.dirname(path.abspath(__file__)))) from synth_common import CLONE_THREAD import synth_common trace = synth_common.create_trace() # Create a parent process which will be forked below. trace.add_packet(ts=1) trace.add_process(10, 0, "parent") # Fork off the new process and then kill it 5ns later. trace.add_ftrace_packet(0) trace.add_newtask(ts=15, tid=10, new_tid=11, new_comm='child', flags=0) trace.add_sched(ts=16, prev_pid=10, next_pid=11, next_comm='child') # Create a parent process which will be forked below. trace.add_packet(ts=20) trace.add_process(11, 0, "child_process") trace.add_ftrace_packet(0) trace.add_rename( ts=25, tid=11, old_comm='child', new_comm='true_name', oom_score_adj=1000) # Create a parent process which will be forked below. trace.add_packet(ts=30) trace.add_process(11, 10, "true_process_name") print(trace.trace.SerializeToString())