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
13int 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