1 /* 2 * Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #import "WebCoreStatistics.h" 30 31 #import "DOMElementInternal.h" 32 #import "WebCache.h" 33 #import "WebFrameInternal.h" 34 #import <runtime/JSLock.h> 35 #import <WebCore/Console.h> 36 #import <WebCore/FontCache.h> 37 #import <WebCore/Frame.h> 38 #import <WebCore/GCController.h> 39 #import <WebCore/GlyphPageTreeNode.h> 40 #import <WebCore/IconDatabase.h> 41 #import <WebCore/JSDOMWindow.h> 42 #import <WebCore/PageCache.h> 43 #import <WebCore/PrintContext.h> 44 #import <WebCore/RenderTreeAsText.h> 45 #import <WebCore/RenderView.h> 46 47 using namespace JSC; 48 using namespace WebCore; 49 50 @implementation WebCoreStatistics 51 52 + (NSArray *)statistics 53 { 54 return [WebCache statistics]; 55 } 56 57 + (size_t)javaScriptObjectsCount 58 { 59 JSLock lock(SilenceAssertionsOnly); 60 return JSDOMWindow::commonJSGlobalData()->heap.objectCount(); 61 } 62 63 + (size_t)javaScriptGlobalObjectsCount 64 { 65 JSLock lock(SilenceAssertionsOnly); 66 return JSDOMWindow::commonJSGlobalData()->heap.globalObjectCount(); 67 } 68 69 + (size_t)javaScriptProtectedObjectsCount 70 { 71 JSLock lock(SilenceAssertionsOnly); 72 return JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount(); 73 } 74 75 + (size_t)javaScriptProtectedGlobalObjectsCount 76 { 77 JSLock lock(SilenceAssertionsOnly); 78 return JSDOMWindow::commonJSGlobalData()->heap.protectedGlobalObjectCount(); 79 } 80 81 + (NSCountedSet *)javaScriptProtectedObjectTypeCounts 82 { 83 JSLock lock(SilenceAssertionsOnly); 84 85 NSCountedSet *result = [NSCountedSet set]; 86 87 OwnPtr<HashCountedSet<const char*> > counts(JSDOMWindow::commonJSGlobalData()->heap.protectedObjectTypeCounts()); 88 HashCountedSet<const char*>::iterator end = counts->end(); 89 for (HashCountedSet<const char*>::iterator it = counts->begin(); it != end; ++it) 90 for (unsigned i = 0; i < it->second; ++i) 91 [result addObject:[NSString stringWithUTF8String:it->first]]; 92 93 return result; 94 } 95 96 + (NSCountedSet *)javaScriptObjectTypeCounts 97 { 98 JSLock lock(SilenceAssertionsOnly); 99 100 NSCountedSet *result = [NSCountedSet set]; 101 102 OwnPtr<HashCountedSet<const char*> > counts(JSDOMWindow::commonJSGlobalData()->heap.objectTypeCounts()); 103 HashCountedSet<const char*>::iterator end = counts->end(); 104 for (HashCountedSet<const char*>::iterator it = counts->begin(); it != end; ++it) 105 for (unsigned i = 0; i < it->second; ++i) 106 [result addObject:[NSString stringWithUTF8String:it->first]]; 107 108 return result; 109 } 110 111 + (void)garbageCollectJavaScriptObjects 112 { 113 gcController().garbageCollectNow(); 114 } 115 116 + (void)garbageCollectJavaScriptObjectsOnAlternateThreadForDebugging:(BOOL)waitUntilDone 117 { 118 gcController().garbageCollectOnAlternateThreadForDebugging(waitUntilDone); 119 } 120 121 + (size_t)iconPageURLMappingCount 122 { 123 return iconDatabase()->pageURLMappingCount(); 124 } 125 126 + (size_t)iconRetainedPageURLCount 127 { 128 return iconDatabase()->retainedPageURLCount(); 129 } 130 131 + (size_t)iconRecordCount 132 { 133 return iconDatabase()->iconRecordCount(); 134 } 135 136 + (size_t)iconsWithDataCount 137 { 138 return iconDatabase()->iconRecordCountWithData(); 139 } 140 141 + (size_t)cachedFontDataCount 142 { 143 return fontCache()->fontDataCount(); 144 } 145 146 + (size_t)cachedFontDataInactiveCount 147 { 148 return fontCache()->inactiveFontDataCount(); 149 } 150 151 + (void)purgeInactiveFontData 152 { 153 fontCache()->purgeInactiveFontData(); 154 } 155 156 + (size_t)glyphPageCount 157 { 158 return GlyphPageTreeNode::treeGlyphPageCount(); 159 } 160 161 + (BOOL)shouldPrintExceptions 162 { 163 JSLock lock(SilenceAssertionsOnly); 164 return Console::shouldPrintExceptions(); 165 } 166 167 + (void)setShouldPrintExceptions:(BOOL)print 168 { 169 JSLock lock(SilenceAssertionsOnly); 170 Console::setShouldPrintExceptions(print); 171 } 172 173 + (void)emptyCache 174 { 175 [WebCache empty]; 176 } 177 178 + (void)setCacheDisabled:(BOOL)disabled 179 { 180 [WebCache setDisabled:disabled]; 181 } 182 183 + (void)startIgnoringWebCoreNodeLeaks 184 { 185 WebCore::Node::startIgnoringLeaks(); 186 } 187 188 + (void)stopIgnoringWebCoreNodeLeaks 189 { 190 WebCore::Node::stopIgnoringLeaks(); 191 } 192 193 + (NSDictionary *)memoryStatistics 194 { 195 WTF::FastMallocStatistics fastMallocStatistics = WTF::fastMallocStatistics(); 196 JSLock lock(SilenceAssertionsOnly); 197 Heap::Statistics jsHeapStatistics = JSDOMWindow::commonJSGlobalData()->heap.statistics(); 198 return [NSDictionary dictionaryWithObjectsAndKeys: 199 [NSNumber numberWithInt:fastMallocStatistics.heapSize], @"FastMallocHeapSize", 200 [NSNumber numberWithInt:fastMallocStatistics.freeSizeInHeap], @"FastMallocFreeSizeInHeap", 201 [NSNumber numberWithInt:fastMallocStatistics.freeSizeInCaches], @"FastMallocFreeSizeInCaches", 202 [NSNumber numberWithInt:fastMallocStatistics.returnedSize], @"FastMallocReturnedSize", 203 [NSNumber numberWithInt:jsHeapStatistics.size], @"JavaScriptHeapSize", 204 [NSNumber numberWithInt:jsHeapStatistics.free], @"JavaScriptFreeSize", 205 nil]; 206 } 207 208 + (void)returnFreeMemoryToSystem 209 { 210 WTF::releaseFastMallocFreeMemory(); 211 } 212 213 + (int)cachedPageCount 214 { 215 return pageCache()->pageCount(); 216 } 217 218 + (int)cachedFrameCount 219 { 220 return pageCache()->frameCount(); 221 } 222 223 + (int)autoreleasedPageCount 224 { 225 return pageCache()->autoreleasedPageCount(); 226 } 227 228 // Deprecated 229 + (size_t)javaScriptNoGCAllowedObjectsCount 230 { 231 return 0; 232 } 233 234 + (size_t)javaScriptReferencedObjectsCount 235 { 236 JSLock lock(SilenceAssertionsOnly); 237 return JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount(); 238 } 239 240 + (NSSet *)javaScriptRootObjectClasses 241 { 242 return [self javaScriptRootObjectTypeCounts]; 243 } 244 245 + (size_t)javaScriptInterpretersCount 246 { 247 return [self javaScriptProtectedGlobalObjectsCount]; 248 } 249 250 + (NSCountedSet *)javaScriptRootObjectTypeCounts 251 { 252 return [self javaScriptProtectedObjectTypeCounts]; 253 } 254 255 @end 256 257 @implementation WebFrame (WebKitDebug) 258 259 - (NSString *)renderTreeAsExternalRepresentation 260 { 261 return externalRepresentation(_private->coreFrame); 262 } 263 264 - (NSString *)counterValueForElement:(DOMElement*)element 265 { 266 return counterValueForElement(core(element)); 267 } 268 269 - (int)pageNumberForElement:(DOMElement*)element:(float)pageWidthInPixels:(float)pageHeightInPixels 270 { 271 return PrintContext::pageNumberForElement(core(element), FloatSize(pageWidthInPixels, pageHeightInPixels)); 272 } 273 274 - (int)numberOfPages:(float)pageWidthInPixels:(float)pageHeightInPixels 275 { 276 return PrintContext::numberOfPages(_private->coreFrame, FloatSize(pageWidthInPixels, pageHeightInPixels)); 277 } 278 279 @end 280