1#!/usr/bin/env python3 2# Copyright (C) 2020 The Android Open Source Project 3# 4# Licensed under the Apache License, Version 2.0 (the "License"); 5# you may not use this file except in compliance with the License. 6# You may obtain a copy of the License at 7# 8# http://www.apache.org/licenses/LICENSE-2.0 9# 10# Unless required by applicable law or agreed to in writing, software 11# distributed under the License is distributed on an "AS IS" BASIS, 12# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13# See the License for the specific language governing permissions and 14# limitations under the License. 15 16from os import sys, path 17 18import synth_common 19 20trace = synth_common.create_trace() 21trace.add_packet() 22 23# gpu_mem_total initial counter event for pid = 1 24trace.add_gpu_mem_total_event(pid=1, ts=0, size=100) 25 26# gpu_mem_total ftrace event for pid = 1 27trace.add_ftrace_packet(cpu=1) 28trace.add_gpu_mem_total_ftrace_event(ftrace_pid=1, pid=1, ts=5, size=233) 29trace.add_gpu_mem_total_ftrace_event(ftrace_pid=1, pid=1, ts=10, size=50) 30 31# Finish the process at ts = 12 32trace.add_process_free(ts=12, tid=1, comm="app", prio=10) 33 34# Emit another event now at ts = 15 - this should be ignored 35# (see b/192274404 for more info). 36trace.add_gpu_mem_total_ftrace_event(ftrace_pid=0, pid=1, ts=15, size=0) 37 38sys.stdout.buffer.write(trace.trace.SerializeToString()) 39