1 /* 2 * Copyright (c) 2016, Google Inc. 3 * All rights reserved. 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #include "perf_to_profile_lib.h" 9 10 #include "base/logging.h" 11 #include "perf_data_converter.h" 12 13 int main(int argc, char** argv) { 14 string input, output; 15 bool overwriteOutput = false; 16 if (!ParseArguments(argc, const_cast<const char**>(argv), &input, &output, 17 &overwriteOutput)) { 18 PrintUsage(); 19 return EXIT_FAILURE; 20 } 21 22 const auto perf_data = ReadFileToString(input); 23 const auto raw_perf_data = static_cast<const void*>(perf_data.data()); 24 25 const auto profiles = perftools::RawPerfDataToProfiles( 26 raw_perf_data, perf_data.length(), {}, perftools::kNoLabels, 27 perftools::kNoOptions); 28 // With kNoOptions, all of the PID profiles should be merged into a 29 // single one. 30 if (profiles.size() != 1) { 31 LOG(FATAL) << "Expected profile vector to have one element."; 32 } 33 const auto& profile = profiles[0]->data; 34 std::ofstream outFile; 35 CreateFile(output, &outFile, overwriteOutput); 36 profile.SerializeToOstream(&outFile); 37 return EXIT_SUCCESS; 38 } 39
