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      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 
     16 namespace base {
     17 
     18 PerfTestSuite::PerfTestSuite(int argc, char** argv) : TestSuite(argc, argv) {}
     19 
     20 void 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 
     44 void PerfTestSuite::Shutdown() {
     45   TestSuite::Shutdown();
     46   FinalizePerfLog();
     47 }
     48 
     49 }  // namespace base
     50