WebCoreStatistics.mm [plain text]
/*
* Copyright (C) 2005, 2006, 2008 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
* its contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "WebCoreStatistics.h"
#import "DOMElementInternal.h"
#import "WebCache.h"
#import "WebFrameInternal.h"
#import <JavaScriptCore/JSLock.h>
#import <JavaScriptCore/MemoryStatistics.h>
#import <WebCore/Console.h>
#import <WebCore/FontCache.h>
#import <WebCore/Frame.h>
#import <WebCore/GCController.h>
#import <WebCore/GlyphPageTreeNode.h>
#import <WebCore/GraphicsContext.h>
#import <WebCore/IconDatabase.h>
#import <WebCore/JSDOMWindow.h>
#import <WebCore/PageCache.h>
#import <WebCore/PrintContext.h>
#import <WebCore/RenderTreeAsText.h>
#import <WebCore/RenderView.h>
using namespace JSC;
using namespace WebCore;
@implementation WebCoreStatistics
+ (NSArray *)statistics
{
return [WebCache statistics];
}
+ (size_t)javaScriptObjectsCount
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
return JSDOMWindow::commonJSGlobalData()->heap.objectCount();
}
+ (size_t)javaScriptGlobalObjectsCount
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
return JSDOMWindow::commonJSGlobalData()->heap.globalObjectCount();
}
+ (size_t)javaScriptProtectedObjectsCount
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
return JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount();
}
+ (size_t)javaScriptProtectedGlobalObjectsCount
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
return JSDOMWindow::commonJSGlobalData()->heap.protectedGlobalObjectCount();
}
+ (NSCountedSet *)javaScriptProtectedObjectTypeCounts
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
NSCountedSet *result = [NSCountedSet set];
OwnPtr<TypeCountSet> counts(JSDOMWindow::commonJSGlobalData()->heap.protectedObjectTypeCounts());
HashCountedSet<const char*>::iterator end = counts->end();
for (HashCountedSet<const char*>::iterator it = counts->begin(); it != end; ++it)
for (unsigned i = 0; i < it->second; ++i)
[result addObject:[NSString stringWithUTF8String:it->first]];
return result;
}
+ (NSCountedSet *)javaScriptObjectTypeCounts
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
NSCountedSet *result = [NSCountedSet set];
OwnPtr<TypeCountSet> counts(JSDOMWindow::commonJSGlobalData()->heap.objectTypeCounts());
HashCountedSet<const char*>::iterator end = counts->end();
for (HashCountedSet<const char*>::iterator it = counts->begin(); it != end; ++it)
for (unsigned i = 0; i < it->second; ++i)
[result addObject:[NSString stringWithUTF8String:it->first]];
return result;
}
+ (void)garbageCollectJavaScriptObjects
{
gcController().garbageCollectNow();
}
+ (void)garbageCollectJavaScriptObjectsOnAlternateThreadForDebugging:(BOOL)waitUntilDone
{
gcController().garbageCollectOnAlternateThreadForDebugging(waitUntilDone);
}
+ (size_t)iconPageURLMappingCount
{
return iconDatabase().pageURLMappingCount();
}
+ (size_t)iconRetainedPageURLCount
{
return iconDatabase().retainedPageURLCount();
}
+ (size_t)iconRecordCount
{
return iconDatabase().iconRecordCount();
}
+ (size_t)iconsWithDataCount
{
return iconDatabase().iconRecordCountWithData();
}
+ (size_t)cachedFontDataCount
{
return fontCache()->fontDataCount();
}
+ (size_t)cachedFontDataInactiveCount
{
return fontCache()->inactiveFontDataCount();
}
+ (void)purgeInactiveFontData
{
fontCache()->purgeInactiveFontData();
}
+ (size_t)glyphPageCount
{
return GlyphPageTreeNode::treeGlyphPageCount();
}
+ (BOOL)shouldPrintExceptions
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
return Console::shouldPrintExceptions();
}
+ (void)setShouldPrintExceptions:(BOOL)print
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
Console::setShouldPrintExceptions(print);
}
+ (void)emptyCache
{
[WebCache empty];
}
+ (void)setCacheDisabled:(BOOL)disabled
{
[WebCache setDisabled:disabled];
}
+ (void)startIgnoringWebCoreNodeLeaks
{
WebCore::Node::startIgnoringLeaks();
}
+ (void)stopIgnoringWebCoreNodeLeaks
{
WebCore::Node::stopIgnoringLeaks();
}
+ (NSDictionary *)memoryStatistics
{
WTF::FastMallocStatistics fastMallocStatistics = WTF::fastMallocStatistics();
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
size_t heapSize = JSDOMWindow::commonJSGlobalData()->heap.size();
size_t heapFree = JSDOMWindow::commonJSGlobalData()->heap.capacity() - heapSize;
GlobalMemoryStatistics globalMemoryStats = globalMemoryStatistics();
return [NSDictionary dictionaryWithObjectsAndKeys:
[NSNumber numberWithInt:fastMallocStatistics.reservedVMBytes], @"FastMallocReservedVMBytes",
[NSNumber numberWithInt:fastMallocStatistics.committedVMBytes], @"FastMallocCommittedVMBytes",
[NSNumber numberWithInt:fastMallocStatistics.freeListBytes], @"FastMallocFreeListBytes",
[NSNumber numberWithInt:heapSize], @"JavaScriptHeapSize",
[NSNumber numberWithInt:heapFree], @"JavaScriptFreeSize",
[NSNumber numberWithUnsignedInt:(unsigned int)globalMemoryStats.stackBytes], @"JavaScriptStackSize",
[NSNumber numberWithUnsignedInt:(unsigned int)globalMemoryStats.JITBytes], @"JavaScriptJITSize",
nil];
}
+ (void)returnFreeMemoryToSystem
{
WTF::releaseFastMallocFreeMemory();
}
+ (int)cachedPageCount
{
return pageCache()->pageCount();
}
+ (int)cachedFrameCount
{
return pageCache()->frameCount();
}
+ (int)autoreleasedPageCount
{
return pageCache()->autoreleasedPageCount();
}
// Deprecated
+ (size_t)javaScriptNoGCAllowedObjectsCount
{
return 0;
}
+ (size_t)javaScriptReferencedObjectsCount
{
JSLockHolder lock(JSDOMWindow::commonJSGlobalData());
return JSDOMWindow::commonJSGlobalData()->heap.protectedObjectCount();
}
+ (NSSet *)javaScriptRootObjectClasses
{
return [self javaScriptRootObjectTypeCounts];
}
+ (size_t)javaScriptInterpretersCount
{
return [self javaScriptProtectedGlobalObjectsCount];
}
+ (NSCountedSet *)javaScriptRootObjectTypeCounts
{
return [self javaScriptProtectedObjectTypeCounts];
}
@end
@implementation WebFrame (WebKitDebug)
- (NSString *)renderTreeAsExternalRepresentationForPrinting:(BOOL)forPrinting
{
return externalRepresentation(_private->coreFrame, forPrinting ? RenderAsTextPrintingMode : RenderAsTextBehaviorNormal);
}
- (NSString *)counterValueForElement:(DOMElement*)element
{
return counterValueForElement(core(element));
}
- (int)pageNumberForElement:(DOMElement*)element:(float)pageWidthInPixels:(float)pageHeightInPixels
{
return PrintContext::pageNumberForElement(core(element), FloatSize(pageWidthInPixels, pageHeightInPixels));
}
- (int)numberOfPages:(float)pageWidthInPixels:(float)pageHeightInPixels
{
return PrintContext::numberOfPages(_private->coreFrame, FloatSize(pageWidthInPixels, pageHeightInPixels));
}
- (NSString *)pageProperty:(const char *)propertyName:(int)pageNumber
{
return PrintContext::pageProperty(_private->coreFrame, propertyName, pageNumber);
}
- (bool)isPageBoxVisible:(int)pageNumber
{
return PrintContext::isPageBoxVisible(_private->coreFrame, pageNumber);
}
- (NSString *)pageSizeAndMarginsInPixels:(int)pageNumber:(int)width:(int)height:(int)marginTop:(int)marginRight:(int)marginBottom:(int)marginLeft
{
return PrintContext::pageSizeAndMarginsInPixels(_private->coreFrame, pageNumber, width, height, marginTop, marginRight, marginBottom, marginLeft);
}
- (void)printToCGContext:(CGContextRef)cgContext:(float)pageWidthInPixels:(float)pageHeightInPixels
{
Frame* coreFrame = _private->coreFrame;
if (!coreFrame)
return;
GraphicsContext graphicsContext(cgContext);
PrintContext::spoolAllPagesWithBoundaries(coreFrame, graphicsContext, FloatSize(pageWidthInPixels, pageHeightInPixels));
}
@end