1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
|
// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "base/file_util.h"
#include "base/path_service.h"
#include "base/string_util.h"
#include "base/time.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/test/ui/ui_test.h"
#include "net/base/net_util.h"
namespace {
// Wrapper around CopyFile to retry 10 times if there is an error.
// For some reasons on buildbot it happens quite often that
// the test fails because the dll is still in use.
bool CopyFileWrapper(const std::wstring &src, const std::wstring &dest) {
for (int i = 0; i < 10; ++i) {
if (file_util::CopyFile(src, dest))
return true;
Sleep(1000);
}
return false;
}
class StartupTest : public UITest {
public:
StartupTest() {
show_window_ = true;
pages_ = "about:blank";
}
void SetUp() {}
void TearDown() {}
void RunStartupTest(const wchar_t* graph, const wchar_t* trace,
bool test_cold, bool important) {
const int kNumCycles = 20;
// Make a backup of gears.dll so we can overwrite the original, which
// flushes the disk cache for that file.
std::wstring chrome_dll, chrome_dll_copy;
ASSERT_TRUE(PathService::Get(chrome::DIR_APP, &chrome_dll));
file_util::AppendToPath(&chrome_dll, L"chrome.dll");
chrome_dll_copy = chrome_dll + L".copy";
ASSERT_TRUE(CopyFileWrapper(chrome_dll, chrome_dll_copy));
std::wstring gears_dll, gears_dll_copy;
ASSERT_TRUE(PathService::Get(chrome::FILE_GEARS_PLUGIN, &gears_dll));
gears_dll_copy = gears_dll + L".copy";
ASSERT_TRUE(CopyFileWrapper(gears_dll, gears_dll_copy));
TimeDelta timings[kNumCycles];
for (int i = 0; i < kNumCycles; ++i) {
if (test_cold) {
ASSERT_TRUE(CopyFileWrapper(chrome_dll_copy, chrome_dll));
ASSERT_TRUE(CopyFileWrapper(gears_dll_copy, gears_dll));
}
UITest::SetUp();
TimeTicks end_time = TimeTicks::Now();
timings[i] = end_time - browser_launch_time_;
// TODO(beng): Can't shut down so quickly. Figure out why, and fix. If we
// do, we crash.
Sleep(50);
UITest::TearDown();
if (i == 0) {
// Re-use the profile data after first run so that the noise from
// creating databases doesn't impact all the runs.
clear_profile_ = false;
}
}
ASSERT_TRUE(file_util::Delete(chrome_dll_copy, false));
ASSERT_TRUE(file_util::Delete(gears_dll_copy, false));
std::wstring times;
for (int i = 0; i < kNumCycles; ++i)
StringAppendF(×, L"%.2f,", timings[i].InMillisecondsF());
PrintResultList(graph, L"", trace, times, L"ms", important);
}
protected:
std::string pages_;
};
class StartupReferenceTest : public StartupTest {
public:
// override the browser directory that is used by UITest::SetUp to cause it
// to use the reference build instead.
void SetUp() {
std::wstring dir;
PathService::Get(chrome::DIR_TEST_TOOLS, &dir);
file_util::AppendToPath(&dir, L"reference_build");
file_util::AppendToPath(&dir, L"chrome");
browser_directory_ = dir;
}
};
class StartupFileTest : public StartupTest {
public:
// Load a file on startup rather than about:blank. This tests a longer
// startup path, including resource loading and the loading of gears.dll.
void SetUp() {
std::wstring file_url;
ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &file_url));
file_util::AppendToPath(&file_url, L"empty.html");
ASSERT_TRUE(file_util::PathExists(file_url));
launch_arguments_ += file_url;
pages_ = WideToUTF8(file_url);
}
};
} // namespace
TEST_F(StartupTest, Perf) {
RunStartupTest(L"warm", L"t", false /* not cold */, true /* important */);
}
TEST_F(StartupReferenceTest, Perf) {
RunStartupTest(L"warm", L"t_ref", false /* not cold */,
true /* important */);
}
// TODO(mpcomplete): Should we have reference timings for all these?
TEST_F(StartupTest, PerfCold) {
RunStartupTest(L"cold", L"t", true /* cold */, false /* not important */);
}
TEST_F(StartupFileTest, PerfGears) {
RunStartupTest(L"warm", L"gears", false /* not cold */,
false /* not important */);
}
TEST_F(StartupFileTest, PerfColdGears) {
RunStartupTest(L"cold", L"gears", true /* cold */,
false /* not important */);
}
|
