<?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>104957</bug_id>
          
          <creation_ts>2012-12-13 14:41:55 -0800</creation_ts>
          <short_desc>Make --profile output easier to understand for pprof on linux</short_desc>
          <delta_ts>2012-12-13 15:31:56 -0800</delta_ts>
          <reporter_accessible>1</reporter_accessible>
          <cclist_accessible>1</cclist_accessible>
          <classification_id>1</classification_id>
          <classification>Unclassified</classification>
          <product>WebKit</product>
          <component>New Bugs</component>
          <version>528+ (Nightly build)</version>
          <rep_platform>Unspecified</rep_platform>
          <op_sys>Unspecified</op_sys>
          <bug_status>RESOLVED</bug_status>
          <resolution>FIXED</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="Eric Seidel (no email)">eric</reporter>
          <assigned_to name="Eric Seidel (no email)">eric</assigned_to>
          <cc>dpranke</cc>
    
    <cc>pdr</cc>
    
    <cc>webkit.review.bot</cc>
          

      

      

      

          <comment_sort_order>oldest_to_newest</comment_sort_order>  
          <long_desc isprivate="0" >
    <commentid>790952</commentid>
    <comment_count>0</comment_count>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2012-12-13 14:41:55 -0800</bug_when>
    <thetext>Make --profile output easier to understand for pprof on linux</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>790954</commentid>
    <comment_count>1</comment_count>
      <attachid>179343</attachid>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2012-12-13 14:43:08 -0800</bug_when>
    <thetext>Created attachment 179343
Patch</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>790956</commentid>
    <comment_count>2</comment_count>
    <who name="Eric Seidel (no email)">eric</who>
    <bug_when>2012-12-13 14:44:02 -0800</bug_when>
    <thetext>Now the output looks like this:

%run-perf-tests --profile --chromium Bindings
Running 24 tests
Running Bindings/append-child.html (1 of 24)
Finished: 16.911530 s

First 10 lines of pprof --text:
     150   9.0%   9.0%      150   9.0% __pthread_getspecific
     138   8.2%  17.2%      152   9.1% v8::internal::Object::IsFunctionTemplateInfo (inline)
     120   7.2%  24.4%      231  13.8% lookup (inline)
     111   6.6%  31.0%      111   6.6% intHash (inline)
      81   4.8%  35.8%      104   6.2% v8::Object::GetAlignedPointerFromInternalField (inline)
      55   3.3%  39.1%      138   8.2% WebCore::ContainerNode::appendChild
      53   3.2%  42.3%      317  18.9% WTF::HashTable::find
      45   2.7%  45.0%       45   2.7% WebCore::TreeShared::deref (inline)
      44   2.6%  47.6%     1382  82.6% WebCore::V8Node::appendChildCallback
      43   2.6%  50.2%      354  21.1% v8::FunctionTemplate::HasInstance

http://google-perftools.googlecode.com/svn/trunk/doc/cpuprofile.html documents output.

To interact with the the full profile, including produce graphs:
/usr/bin/google-pprof /src/WebKit/out/Release/DumpRenderTree /src/WebKit/Source/WebKit/chromium/webkit/Release/layout-test-results/test-15.pprof</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>791012</commentid>
    <comment_count>3</comment_count>
      <attachid>179343</attachid>
    <who name="WebKit Review Bot">webkit.review.bot</who>
    <bug_when>2012-12-13 15:31:52 -0800</bug_when>
    <thetext>Comment on attachment 179343
Patch

Clearing flags on attachment: 179343

Committed r137666: &lt;http://trac.webkit.org/changeset/137666&gt;</thetext>
  </long_desc><long_desc isprivate="0" >
    <commentid>791013</commentid>
    <comment_count>4</comment_count>
    <who name="WebKit Review Bot">webkit.review.bot</who>
    <bug_when>2012-12-13 15:31:56 -0800</bug_when>
    <thetext>All reviewed patches have been landed.  Closing bug.</thetext>
  </long_desc>
      
          <attachment
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            <attachid>179343</attachid>
            <date>2012-12-13 14:43:08 -0800</date>
            <delta_ts>2012-12-13 15:31:52 -0800</delta_ts>
            <desc>Patch</desc>
            <filename>bug-104957-20121213144028.patch</filename>
            <type>text/plain</type>
            <size>2801</size>
            <attacher name="Eric Seidel (no email)">eric</attacher>
            
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    </bug>

</bugzilla>