text: #!/usr/bin/env python3
  # 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
  
  import synth_common
  
  trace = synth_common.create_trace()
  trace.add_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)
  trace.add_ion_event(ts=100, tid=3, heap_name='system', len=1000)
  trace.add_ion_event(ts=150, tid=3, heap_name='adsp', len=1000)
  trace.add_ion_event(ts=200, tid=3, heap_name='system', size=1000, len=1000)
  trace.add_ion_event(ts=299, tid=3, heap_name='adsp', size=1000, len=100)
  
  sys.stdout.buffer.write(trace.trace.SerializeToString())
  