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1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "chrome/renderer/benchmarking_extension.h" | 5 #include "chrome/renderer/benchmarking_extension.h" |
6 | 6 |
7 #include "base/command_line.h" | 7 #include "base/command_line.h" |
8 #include "base/metrics/stats_table.h" | 8 #include "base/metrics/stats_table.h" |
9 #include "base/time.h" | 9 #include "base/time.h" |
10 #include "chrome/common/benchmarking_messages.h" | |
11 #include "content/public/common/content_switches.h" | 10 #include "content/public/common/content_switches.h" |
12 #include "content/public/renderer/render_thread.h" | 11 #include "content/public/renderer/render_thread.h" |
13 #include "third_party/WebKit/Source/WebKit/chromium/public/WebCache.h" | |
14 #include "v8/include/v8.h" | 12 #include "v8/include/v8.h" |
15 | 13 |
16 using WebKit::WebCache; | |
17 | |
18 const char kBenchmarkingExtensionName[] = "v8/Benchmarking"; | 14 const char kBenchmarkingExtensionName[] = "v8/Benchmarking"; |
19 | 15 |
20 namespace extensions_v8 { | 16 namespace extensions_v8 { |
21 | 17 |
22 class BenchmarkingWrapper : public v8::Extension { | 18 class BenchmarkingWrapper : public v8::Extension { |
23 public: | 19 public: |
24 BenchmarkingWrapper() : | 20 BenchmarkingWrapper() : |
25 v8::Extension(kBenchmarkingExtensionName, | 21 v8::Extension(kBenchmarkingExtensionName, |
26 "if (typeof(chrome) == 'undefined') {" | 22 "if (typeof(chrome) == 'undefined') {" |
27 " chrome = {};" | 23 " chrome = {};" |
28 "};" | 24 "};" |
29 "if (typeof(chrome.benchmarking) == 'undefined') {" | 25 "if (typeof(chrome.benchmarking) == 'undefined') {" |
30 " chrome.benchmarking = {};" | 26 " chrome.benchmarking = {};" |
31 "};" | 27 "};" |
32 "chrome.benchmarking.clearCache = function() {" | |
33 " native function ClearCache();" | |
34 " ClearCache();" | |
35 "};" | |
36 "chrome.benchmarking.clearHostResolverCache = function() {" | |
37 " native function ClearHostResolverCache();" | |
38 " ClearHostResolverCache();" | |
39 "};" | |
40 "chrome.benchmarking.clearPredictorCache = function() {" | |
41 " native function ClearPredictorCache();" | |
42 " ClearPredictorCache();" | |
43 "};" | |
44 "chrome.benchmarking.closeConnections = function() {" | |
45 " native function CloseConnections();" | |
46 " CloseConnections();" | |
47 "};" | |
48 "chrome.benchmarking.counter = function(name) {" | 28 "chrome.benchmarking.counter = function(name) {" |
49 " native function GetCounter();" | 29 " native function GetCounter();" |
50 " return GetCounter(name);" | 30 " return GetCounter(name);" |
51 "};" | 31 "};" |
52 "chrome.benchmarking.enableSpdy = function(name) {" | |
53 " native function EnableSpdy();" | |
54 " EnableSpdy(name);" | |
55 "};" | |
56 "chrome.benchmarking.isSingleProcess = function() {" | 32 "chrome.benchmarking.isSingleProcess = function() {" |
57 " native function IsSingleProcess();" | 33 " native function IsSingleProcess();" |
58 " return IsSingleProcess();" | 34 " return IsSingleProcess();" |
59 "};" | 35 "};" |
60 "chrome.Interval = function() {" | 36 "chrome.Interval = function() {" |
61 " var start_ = 0;" | 37 " var start_ = 0;" |
62 " var stop_ = 0;" | 38 " var stop_ = 0;" |
63 " native function HiResTime();" | 39 " native function HiResTime();" |
64 " this.start = function() {" | 40 " this.start = function() {" |
65 " stop_ = 0;" | 41 " stop_ = 0;" |
66 " start_ = HiResTime();" | 42 " start_ = HiResTime();" |
67 " };" | 43 " };" |
68 " this.stop = function() {" | 44 " this.stop = function() {" |
69 " stop_ = HiResTime();" | 45 " stop_ = HiResTime();" |
70 " if (start_ == 0)" | 46 " if (start_ == 0)" |
71 " stop_ = 0;" | 47 " stop_ = 0;" |
72 " };" | 48 " };" |
73 " this.microseconds = function() {" | 49 " this.microseconds = function() {" |
74 " var stop = stop_;" | 50 " var stop = stop_;" |
75 " if (stop == 0 && start_ != 0)" | 51 " if (stop == 0 && start_ != 0)" |
76 " stop = HiResTime();" | 52 " stop = HiResTime();" |
77 " return Math.ceil(stop - start_);" | 53 " return Math.ceil(stop - start_);" |
78 " };" | 54 " };" |
79 "}" | 55 "}" |
80 ) {} | 56 ) {} |
81 | 57 |
82 virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction( | 58 virtual v8::Handle<v8::FunctionTemplate> GetNativeFunction( |
83 v8::Handle<v8::String> name) OVERRIDE { | 59 v8::Handle<v8::String> name) { |
84 if (name->Equals(v8::String::New("CloseConnections"))) { | 60 if (name->Equals(v8::String::New("GetCounter"))) { |
85 return v8::FunctionTemplate::New(CloseConnections); | |
86 } else if (name->Equals(v8::String::New("ClearCache"))) { | |
87 return v8::FunctionTemplate::New(ClearCache); | |
88 } else if (name->Equals(v8::String::New("ClearHostResolverCache"))) { | |
89 return v8::FunctionTemplate::New(ClearHostResolverCache); | |
90 } else if (name->Equals(v8::String::New("ClearPredictorCache"))) { | |
91 return v8::FunctionTemplate::New(ClearPredictorCache); | |
92 } else if (name->Equals(v8::String::New("EnableSpdy"))) { | |
93 return v8::FunctionTemplate::New(EnableSpdy); | |
94 } else if (name->Equals(v8::String::New("GetCounter"))) { | |
95 return v8::FunctionTemplate::New(GetCounter); | 61 return v8::FunctionTemplate::New(GetCounter); |
96 } else if (name->Equals(v8::String::New("IsSingleProcess"))) { | 62 } else if (name->Equals(v8::String::New("IsSingleProcess"))) { |
97 return v8::FunctionTemplate::New(IsSingleProcess); | 63 return v8::FunctionTemplate::New(IsSingleProcess); |
98 } else if (name->Equals(v8::String::New("HiResTime"))) { | 64 } else if (name->Equals(v8::String::New("HiResTime"))) { |
99 return v8::FunctionTemplate::New(HiResTime); | 65 return v8::FunctionTemplate::New(HiResTime); |
100 } | 66 } |
101 | 67 |
102 return v8::Handle<v8::FunctionTemplate>(); | 68 return v8::Handle<v8::FunctionTemplate>(); |
103 } | 69 } |
104 | 70 |
105 static v8::Handle<v8::Value> CloseConnections(const v8::Arguments& args) { | |
106 content::RenderThread::Get()->Send( | |
107 new ChromeViewHostMsg_CloseCurrentConnections()); | |
108 return v8::Undefined(); | |
109 } | |
110 | |
111 static v8::Handle<v8::Value> ClearCache(const v8::Arguments& args) { | |
112 int rv; | |
113 content::RenderThread::Get()->Send(new ChromeViewHostMsg_ClearCache(&rv)); | |
114 WebCache::clear(); | |
115 return v8::Undefined(); | |
116 } | |
117 | |
118 static v8::Handle<v8::Value> ClearHostResolverCache( | |
119 const v8::Arguments& args) { | |
120 int rv; | |
121 content::RenderThread::Get()->Send( | |
122 new ChromeViewHostMsg_ClearHostResolverCache(&rv)); | |
123 return v8::Undefined(); | |
124 } | |
125 | |
126 static v8::Handle<v8::Value> ClearPredictorCache( | |
127 const v8::Arguments& args) { | |
128 int rv; | |
129 content::RenderThread::Get()->Send( | |
130 new ChromeViewHostMsg_ClearPredictorCache(&rv)); | |
131 return v8::Undefined(); | |
132 } | |
133 | |
134 static v8::Handle<v8::Value> EnableSpdy(const v8::Arguments& args) { | |
135 if (!args.Length() || !args[0]->IsBoolean()) | |
136 return v8::Undefined(); | |
137 | |
138 content::RenderThread::Get()->Send(new ChromeViewHostMsg_EnableSpdy( | |
139 args[0]->BooleanValue())); | |
140 return v8::Undefined(); | |
141 } | |
142 | |
143 static v8::Handle<v8::Value> GetCounter(const v8::Arguments& args) { | 71 static v8::Handle<v8::Value> GetCounter(const v8::Arguments& args) { |
144 if (!args.Length() || !args[0]->IsString() || !base::StatsTable::current()) | 72 if (!args.Length() || !args[0]->IsString() || !base::StatsTable::current()) |
145 return v8::Undefined(); | 73 return v8::Undefined(); |
146 | 74 |
147 // Extract the name argument | 75 // Extract the name argument |
148 char name[256]; | 76 char name[256]; |
149 name[0] = 'c'; | 77 name[0] = 'c'; |
150 name[1] = ':'; | 78 name[1] = ':'; |
151 args[0]->ToString()->WriteAscii(&name[2], 0, sizeof(name) - 3); | 79 args[0]->ToString()->WriteAscii(&name[2], 0, sizeof(name) - 3); |
152 | 80 |
(...skipping 10 matching lines...) Expand all Loading... |
163 return v8::Number::New( | 91 return v8::Number::New( |
164 static_cast<double>(base::TimeTicks::HighResNow().ToInternalValue())); | 92 static_cast<double>(base::TimeTicks::HighResNow().ToInternalValue())); |
165 } | 93 } |
166 }; | 94 }; |
167 | 95 |
168 v8::Extension* BenchmarkingExtension::Get() { | 96 v8::Extension* BenchmarkingExtension::Get() { |
169 return new BenchmarkingWrapper(); | 97 return new BenchmarkingWrapper(); |
170 } | 98 } |
171 | 99 |
172 } // namespace extensions_v8 | 100 } // namespace extensions_v8 |
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