1// Copyright (c) 2010 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#include "base/test/perf_test_suite.h"
6
7#include "base/command_line.h"
8#include "base/debug/debugger.h"
9#include "base/file_path.h"
10#include "base/path_service.h"
11#include "base/perftimer.h"
12#include "base/process_util.h"
13#include "base/string_util.h"
14#include "testing/gtest/include/gtest/gtest.h"
15
16namespace base {
17
18PerfTestSuite::PerfTestSuite(int argc, char** argv) : TestSuite(argc, argv) {
19}
20
21void PerfTestSuite::Initialize() {
22  TestSuite::Initialize();
23
24  // Initialize the perf timer log
25  FilePath log_path =
26      CommandLine::ForCurrentProcess()->GetSwitchValuePath("log-file");
27  if (log_path.empty()) {
28    FilePath exe;
29    PathService::Get(base::FILE_EXE, &exe);
30    log_path = exe.ReplaceExtension(FILE_PATH_LITERAL("log"));
31    log_path = log_path.InsertBeforeExtension(FILE_PATH_LITERAL("_perf"));
32  }
33  ASSERT_TRUE(InitPerfLog(log_path));
34
35  // Raise to high priority to have more precise measurements. Since we don't
36  // aim at 1% precision, it is not necessary to run at realtime level.
37  if (!base::debug::BeingDebugged())
38    base::RaiseProcessToHighPriority();
39}
40
41void PerfTestSuite::Shutdown() {
42  TestSuite::Shutdown();
43  FinalizePerfLog();
44}
45
46}  // namespace base
47