test/metrics/android_startup_breakdown.py

#!/usr/bin/python
# Copyright (C) 2018 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

sys.path.append(path.dirname(path.dirname(path.abspath(__file__))))
import synth_common

trace = synth_common.create_trace()
trace.add_process_tree_packet()
trace.add_process(1, 0, 'init')
trace.add_process(2, 1, 'system_server')
trace.add_process(3, 1, 'com.google.android.calendar')

trace.add_ftrace_packet(cpu=0)

# Start intent for a successful launch of calendar
trace.add_atrace_begin(
    ts=102, tid=2, pid=2, buf='MetricsLogger:launchObserverNotifyIntentStarted')
trace.add_atrace_end(ts=103, tid=2, pid=2)

trace.add_atrace_async_begin(
    ts=110, tid=2, pid=2, buf='launching: com.google.android.calendar')

trace.add_atrace_begin(
    ts=120, tid=2, pid=2, buf='Start proc: com.google.android.calendar')
trace.add_atrace_end(ts=155, tid=2, pid=2)

# Unrelated process binding, ignored
trace.add_atrace_begin(ts=125, tid=1, pid=1, buf='bindApplication')
trace.add_atrace_end(ts=195, tid=1, pid=1)

trace.add_atrace_begin(ts=185, tid=3, pid=3, buf='bindApplication')
trace.add_atrace_end(ts=195, tid=3, pid=3)

trace.add_atrace_async_end(
    ts=210, tid=2, pid=2, buf='launching: com.google.android.calendar')
trace.add_atrace_begin(
    ts=211,
    tid=2,
    pid=2,
    buf='MetricsLogger:launchObserverNotifyActivityLaunchFinished')
trace.add_atrace_end(ts=212, tid=2, pid=2)

print(trace.trace.SerializeToString())