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.
5 #include "base/test/perf_test_suite.h"
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"
18 PerfTestSuite::PerfTestSuite(int argc, char** argv) : TestSuite(argc, argv) {}
20 void PerfTestSuite::Initialize() {
21 TestSuite::Initialize();
23 // Initialize the perf timer log
25 CommandLine::ForCurrentProcess()->GetSwitchValuePath("log-file");
26 if (log_path.empty()) {
28 PathService::Get(FILE_EXE, &exe);
29 log_path = exe.ReplaceExtension(FILE_PATH_LITERAL("log"));
30 log_path = log_path.InsertBeforeExtension(FILE_PATH_LITERAL("_perf"));
32 ASSERT_TRUE(InitPerfLog(log_path));
34 // Raise to high priority to have more precise measurements. Since we don't
35 // aim at 1% precision, it is not necessary to run at realtime level.
36 if (!debug::BeingDebugged())
37 RaiseProcessToHighPriority();
40 void PerfTestSuite::Shutdown() {
41 TestSuite::Shutdown();