Bug 104957 – Make --profile output easier to understand for pprof on linux

• Status: RESOLVED
• Resolution: FIXED
• Component: New Bugs

[Eric Seidel (no email)]

Make --profile output easier to understand for pprof on linux

[Eric Seidel (no email)]

Created attachment 179343 [details]
Patch

[Eric Seidel (no email)]

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

[WebKit Review Bot]

Comment on attachment 179343 [details]
Patch

Clearing flags on attachment: 179343

Committed r137666: <http://trac.webkit.org/changeset/137666>

[WebKit Review Bot]

All reviewed patches have been landed.  Closing bug.