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 "build/build_config.h" 15 #include "testing/gtest/include/gtest/gtest.h" 16 17 namespace base { 18 PerfTestSuite(int argc,char ** argv)19PerfTestSuite::PerfTestSuite(int argc, char** argv) : TestSuite(argc, argv) {} 20 Initialize()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 PathService::Get(FILE_EXE, &log_path); 29 #if defined(OS_ANDROID) || defined(OS_FUCHSIA) 30 base::FilePath tmp_dir; 31 PathService::Get(base::DIR_CACHE, &tmp_dir); 32 log_path = tmp_dir.Append(log_path.BaseName()); 33 #endif 34 log_path = log_path.ReplaceExtension(FILE_PATH_LITERAL("log")); 35 log_path = log_path.InsertBeforeExtension(FILE_PATH_LITERAL("_perf")); 36 } 37 ASSERT_TRUE(InitPerfLog(log_path)); 38 39 // Raise to high priority to have more precise measurements. Since we don't 40 // aim at 1% precision, it is not necessary to run at realtime level. 41 if (!debug::BeingDebugged()) 42 RaiseProcessToHighPriority(); 43 } 44 Shutdown()45void PerfTestSuite::Shutdown() { 46 TestSuite::Shutdown(); 47 FinalizePerfLog(); 48 } 49 50 } // namespace base 51