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/*
* 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.
*/
#undef LOG_TAG
#define LOG_TAG "LayerTraceGenerator"
#include <fstream>
#include <iostream>
#include <string>
#include <Tracing/LayerTracing.h>
#include "LayerTraceGenerator.h"
using namespace android;
int main(int argc, char** argv) {
if (argc > 4) {
std::cout << "Usage: " << argv[0]
<< " [transaction-trace-path] [output-layers-trace-path] [--last-entry-only]\n";
return -1;
}
const char* transactionTracePath =
(argc > 1) ? argv[1] : "/data/misc/wmtrace/transactions_trace.winscope";
std::cout << "Parsing " << transactionTracePath << "\n";
std::fstream input(transactionTracePath, std::ios::in | std::ios::binary);
if (!input) {
std::cout << "Error: Could not open " << transactionTracePath;
return -1;
}
perfetto::protos::TransactionTraceFile transactionTraceFile;
if (!transactionTraceFile.ParseFromIstream(&input)) {
std::cout << "Error: Failed to parse " << transactionTracePath;
return -1;
}
const auto* outputLayersTracePath =
(argc == 3) ? argv[2] : "/data/misc/wmtrace/layers_trace.winscope";
auto outStream = std::ofstream{outputLayersTracePath, std::ios::binary | std::ios::out};
auto layerTracing = LayerTracing{outStream};
const bool generateLastEntryOnly =
argc >= 4 && std::string_view(argv[3]) == "--last-entry-only";
auto traceFlags = LayerTracing::Flag::TRACE_INPUT | LayerTracing::Flag::TRACE_BUFFERS;
ALOGD("Generating %s...", outputLayersTracePath);
std::cout << "Generating " << outputLayersTracePath << "\n";
if (!LayerTraceGenerator().generate(transactionTraceFile, traceFlags, layerTracing,
generateLastEntryOnly)) {
std::cout << "Error: Failed to generate layers trace " << outputLayersTracePath << "\n";
return -1;
}
// Set output file permissions (-rw-r--r--)
outStream.close();
const mode_t mode = S_IRUSR | S_IWUSR | S_IRGRP | S_IROTH;
if (chmod(outputLayersTracePath, mode) != 0) {
std::cout << "Error: Failed to set permissions of " << outputLayersTracePath << "\n";
return -1;
}
return 0;
}
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