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/files/file_path.h"
10#include "base/path_service.h"
11#include "base/process/launch.h"
12#include "base/strings/string_util.h"
13#include "base/test/perf_log.h"
14#include "testing/gtest/include/gtest/gtest.h"
15
16namespace base {
17
18PerfTestSuite::PerfTestSuite(int argc, char** argv) : TestSuite(argc, argv) {}
19
20void PerfTestSuite::Initialize() {
21  TestSuite::Initialize();
22
23  // Initialize the perf timer log
24  FilePath log_path =
25      CommandLine::ForCurrentProcess()->GetSwitchValuePath("log-file");
26  if (log_path.empty()) {
27    PathService::Get(FILE_EXE, &log_path);
28#if defined(OS_ANDROID)
29    base::FilePath tmp_dir;
30    PathService::Get(base::DIR_CACHE, &tmp_dir);
31    log_path = tmp_dir.Append(log_path.BaseName());
32#endif
33    log_path = log_path.ReplaceExtension(FILE_PATH_LITERAL("log"));
34    log_path = log_path.InsertBeforeExtension(FILE_PATH_LITERAL("_perf"));
35  }
36  ASSERT_TRUE(InitPerfLog(log_path));
37
38  // Raise to high priority to have more precise measurements. Since we don't
39  // aim at 1% precision, it is not necessary to run at realtime level.
40  if (!debug::BeingDebugged())
41    RaiseProcessToHighPriority();
42}
43
44void PerfTestSuite::Shutdown() {
45  TestSuite::Shutdown();
46  FinalizePerfLog();
47}
48
49}  // namespace base
50