1 // Copyright 2017 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 "third_party/blink/renderer/platform/testing/blink_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 #include "third_party/blink/renderer/platform/wtf/allocator/partitions.h"
17 #include "third_party/blink/renderer/platform/wtf/wtf.h"
18 
19 namespace blink {
20 
BlinkPerfTestSuite(int argc,char ** argv)21 BlinkPerfTestSuite::BlinkPerfTestSuite(int argc, char** argv)
22     : base::TestSuite(argc, argv), env(argc, argv) {}
23 
Initialize()24 void BlinkPerfTestSuite::Initialize() {
25   TestSuite::Initialize();
26 
27   // Initialize the perf timer log
28   base::FilePath log_path =
29       base::CommandLine::ForCurrentProcess()->GetSwitchValuePath("log-file");
30   if (log_path.empty()) {
31     base::PathService::Get(base::FILE_EXE, &log_path);
32 #if defined(OS_ANDROID)
33     base::FilePath tmp_dir;
34     base::PathService::Get(base::DIR_CACHE, &tmp_dir);
35     log_path = tmp_dir.Append(log_path.BaseName());
36 #endif
37     log_path = log_path.ReplaceExtension(FILE_PATH_LITERAL("log"));
38     log_path = log_path.InsertBeforeExtension(FILE_PATH_LITERAL("_perf"));
39   }
40   ASSERT_TRUE(base::InitPerfLog(log_path));
41 
42   // Raise to high priority to have more precise measurements. Since we don't
43   // aim at 1% precision, it is not necessary to run at realtime level.
44   if (!base::debug::BeingDebugged())
45     base::RaiseProcessToHighPriority();
46 }
47 
Shutdown()48 void BlinkPerfTestSuite::Shutdown() {
49   TestSuite::Shutdown();
50   base::FinalizePerfLog();
51 }
52 
53 }  // namespace blink
54