<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<!DOCTYPE bugzilla SYSTEM "https://bugs.webkit.org/page.cgi?id=bugzilla.dtd">

<bugzilla version="5.0.4.1"
          urlbase="https://bugs.webkit.org/"
          
          maintainer="admin@webkit.org"
>

    <bug>
          <bug_id>139904</bug_id>
          
          <creation_ts>2014-12-23 05:14:42 -0800</creation_ts>
          <short_desc>Too many renderlayers are created when EFL MiniBrowser goes to www.youtube.com</short_desc>
          <delta_ts>2017-06-07 19:50:20 -0700</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>WebKit EFL</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>WONTFIX</resolution>
          
          
          <bug_file_loc></bug_file_loc>
          <status_whiteboard></status_whiteboard>
          <keywords></keywords>
          <priority>P2</priority>
          <bug_severity>Normal</bug_severity>
          <target_milestone>---</target_milestone>
          
          
          <everconfirmed>1</everconfirmed>
          <reporter name="Gyuyoung Kim">gyuyoung.kim</reporter>
          <assigned_to name="Gyuyoung Kim">gyuyoung.kim</assigned_to>
          <cc>hyuki.kim</cc>
    
    <cc>ljaehun.lim</cc>
    
    <cc>lucas.de.marchi</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>1057577</commentid>
    <comment_count>0</comment_count>
    <who name="Gyuyoung Kim">gyuyoung.kim</who>
    <bug_when>2014-12-23 05:14:42 -0800</bug_when>
    <thetext>When EFL MiniBrowser goes to www.youtube.com, about 900 RenderLayers are created with 259.45 MB. Chrome seems to only have 5 layers and 1.24 MB memory use.</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1057578</commentid>
    <comment_count>1</comment_count>
    <who name="Gyuyoung Kim">gyuyoung.kim</who>
    <bug_when>2014-12-23 05:15:39 -0800</bug_when>
    <thetext>A callstack when RenderLayer is created.


Breakpoint 1, 0x00007ffff6b41c04 in WebCore::RenderLayer::RenderLayer(WebCore::RenderLayerModelObject&amp;) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
(gdb) bt
#0  0x00007ffff6b41c04 in WebCore::RenderLayer::RenderLayer(WebCore::RenderLayerModelObject&amp;) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#1  0x00007ffff6b6bc56 in WebCore::RenderLayerModelObject::createLayer() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#2  0x00007ffff6b6c5c5 in WebCore::RenderLayerModelObject::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#3  0x00007ffff6adc704 in WebCore::RenderBox::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#4  0x00007ffff6aa0c3c in WebCore::RenderBlock::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#5  0x00007ffff6ab52ac in WebCore::RenderBlockFlow::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#6  0x00007ffff6c79b17 in WebCore::Style::attachRenderTree(WebCore::Element&amp;, WebCore::RenderStyle&amp;, WebCore::Style::RenderTreePosition&amp;, WTF::PassRefPtr&lt;WebCore::RenderStyle&gt;) ()
   from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#7  0x00007ffff6c7a7a7 in WebCore::Style::resolveTree(WebCore::Element&amp;, WebCore::RenderStyle&amp;, WebCore::Style::RenderTreePosition&amp;, WebCore::Style::Change) [clone .part.168] ()
   from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#8  0x00007ffff6c7b26a in WebCore::Style::resolveTree(WebCore::Document&amp;, WebCore::Style::Change) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#9  0x00007ffff660a2d7 in WebCore::Document::recalcStyle(WebCore::Style::Change) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#10 0x00007ffff660aeed in WebCore::Document::finishedParsing() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#11 0x00007ffff67d718e in WebCore::HTMLDocumentParser::prepareToStopParsing() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#12 0x00007ffff67d311e in WebCore::HTMLDocumentParser::finish() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#13 0x00007ffff686f4d2 in WebCore::DocumentWriter::end() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#14 0x00007ffff6865177 in WebCore::DocumentLoader::finishedLoading(double) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#15 0x00007ffff68675fc in WebCore::DocumentLoader::maybeLoadEmpty() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#16 0x00007ffff6868b14 in WebCore::DocumentLoader::startLoadingMainResource() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#17 0x00007ffff687a406 in WebCore::FrameLoader::init() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#18 0x00007ffff64a20b4 in WebKit::WebFrame::createWithCoreMainFrame(WebKit::WebPage*, WebCore::Frame*) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#19 0x00007ffff64b80d6 in WebKit::WebPage::WebPage(unsigned long, WebKit::WebPageCreationParameters const&amp;) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#20 0x00007ffff64b885f in WebKit::WebPage::create(unsigned long, WebKit::WebPageCreationParameters const&amp;) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#21 0x00007ffff642cf55 in WebKit::WebProcess::createWebPage(unsigned long, WebKit::WebPageCreationParameters const&amp;) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#22 0x00007ffff654d69e in WebKit::WebProcess::didReceiveWebProcessMessage(IPC::Connection*, IPC::MessageDecoder&amp;) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#23 0x00007ffff63150d4 in IPC::Connection::dispatchMessage(std::unique_ptr&lt;IPC::MessageDecoder, std::default_delete&lt;IPC::MessageDecoder&gt; &gt;) ()
   from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#24 0x00007ffff63159ec in IPC::Connection::dispatchOneMessage() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#25 0x00007ffff767bd43 in WTF::RunLoop::performWork() () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#26 0x00007ffff3a8a8bf in _ecore_pipe_handler_call (p=p@entry=0x418f20, buf=0x482ac0 &quot;W&quot;, len=&lt;optimized out&gt;) at lib/ecore/ecore_pipe.c:528
#27 0x00007ffff3a8b08a in _ecore_pipe_read (data=0x418f20, fd_handler=&lt;optimized out&gt;) at lib/ecore/ecore_pipe.c:655
#28 0x00007ffff3a89e91 in _ecore_call_fd_cb (fd_handler=0x417040, data=&lt;optimized out&gt;, func=&lt;optimized out&gt;) at lib/ecore/ecore_private.h:383
#29 _ecore_main_fd_handlers_call () at lib/ecore/ecore_main.c:1684
#30 _ecore_main_loop_iterate_internal (once_only=once_only@entry=0) at lib/ecore/ecore_main.c:1935
#31 0x00007ffff3a8a0b7 in ecore_main_loop_begin () at lib/ecore/ecore_main.c:983
#32 0x00007ffff652db1d in int WebKit::ChildProcessMain&lt;WebKit::WebProcess, WebKit::WebProcessMain&gt;(int, char**) () from /home/gyuyoung/webkit/WebKit/WebKitBuild/Release/lib/libewebkit2.so.1
#33 0x00007ffff50d3de5 in __libc_start_main (main=0x4007b0 &lt;main&gt;, argc=2, ubp_av=0x7fffffffdc78, init=&lt;optimized out&gt;, fini=&lt;optimized out&gt;, rtld_fini=&lt;optimized out&gt;, stack_end=0x7fffffffdc68)
    at libc-start.c:260
#34 0x0000000000400804 in _start ()</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>1316765</commentid>
    <comment_count>2</comment_count>
    <who name="Michael Catanzaro">mcatanzaro</who>
    <bug_when>2017-06-07 19:50:20 -0700</bug_when>
    <thetext>Closing some bugs that probably only affect EFL. Please leave a comment if you feel this bug was closed in error.</thetext>
  </long_desc>
      
      

    </bug>

</bugzilla>