// Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include <sstream>
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#include <string>
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#include "base/logging.h"
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#include "compat/string.h"
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#include "file_utils.h"
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#include "perf_recorder.h"
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namespace {
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const char kDefaultOutputFile[] = "/dev/stdout";
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int StringToInt(const string& s) {
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int r;
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std::stringstream ss;
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ss << s;
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ss >> r;
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return r;
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}
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bool ParseArguments(int argc, char* argv[], std::vector<string>* perf_args,
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int* duration) {
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if (argc < 3) {
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LOG(ERROR) << "Invalid command line.";
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LOG(ERROR) << "Usage: " << argv[0] << " <duration in seconds>"
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<< " <path to perf>"
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<< " <perf arguments>";
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return false;
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}
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*duration = StringToInt(argv[1]);
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for (int i = 2; i < argc; i++) {
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perf_args->emplace_back(argv[i]);
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}
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return true;
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}
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} // namespace
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// Usage is:
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// <exe> <duration in seconds> <perf command line>
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int main(int argc, char* argv[]) {
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std::vector<string> perf_args;
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int perf_duration;
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if (!ParseArguments(argc, argv, &perf_args, &perf_duration)) return 1;
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quipper::PerfRecorder perf_recorder;
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string output_string;
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if (!perf_recorder.RunCommandAndGetSerializedOutput(perf_args, perf_duration,
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&output_string)) {
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return 1;
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}
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if (!quipper::BufferToFile(kDefaultOutputFile, output_string)) return 1;
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return 0;
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}
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