48 lines
1.6 KiB
Python
48 lines
1.6 KiB
Python
#!/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())
|