| #!/usr/bin/env python3 |
| # Copyright (C) 2022 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. |
| |
| from os import sys, path |
| |
| import synth_common |
| |
| trace = synth_common.create_trace() |
| # sys_write id is 64 on arm64 |
| trace.add_system_info(arch="aarch64") |
| |
| trace.add_ftrace_packet(cpu=0) |
| # expect: one normal sys_write slice |
| trace.add_sys_enter(ts=100, tid=42, id=64) |
| trace.add_sys_exit(ts=200, tid=42, id=64, ret=0) |
| # expect: truncated sys_write slice due to nesting workarounds |
| trace.add_sys_enter(ts=300, tid=42, id=64) |
| trace.add_sys_exit(ts=400, tid=42, id=64, ret=0) |
| # expect: truncated sys_write slice due to nesting workarounds |
| trace.add_sys_enter(ts=600, tid=42, id=64) |
| trace.add_sys_exit(ts=700, tid=42, id=64, ret=0) |
| |
| trace.add_atrace_begin(ts=350, tid=42, pid=42, buf='test') |
| trace.add_atrace_end(ts=650, tid=42, pid=42) |
| |
| sys.stdout.buffer.write(trace.trace.SerializeToString()) |
