| #!/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 handling of the mm_id field in the rss_stat |
| # event when mm_structs are reused on process death. |
| |
| from os import sys, path |
| |
| import synth_common |
| |
| trace = synth_common.create_trace() |
| |
| trace.add_packet(ts=1) |
| trace.add_process(10, 1, "parent_process") |
| |
| trace.add_ftrace_packet(1) |
| |
| # Emit an event for the process. |
| trace.add_rss_stat(100, tid=10, member=0, size=100, mm_id=0x1234, curr=1) |
| |
| # Now kill the process. |
| trace.add_process_free(ts=101, tid=10, comm="parent_process", prio=0) |
| |
| # Create a new thread which reuses the pid and mm struct. |
| trace.add_newtask(102, tid=1, new_tid=10, new_comm="new_process", flags=0) |
| |
| # Emit an event for the new thread. |
| trace.add_rss_stat(103, tid=10, member=0, size=10, mm_id=0x1234, curr=1) |
| |
| sys.stdout.buffer.write(trace.trace.SerializeToString()) |
