We currently generate a large amount of diagnostic logging messages and this is unfortunately increase CPU usage of some benchmarks. In most cases, we could use sampling to greatly decrease the amount of messages while getting useful overall results. Radar: <rdar://problem/19899030>
Created attachment 247015 [details] Patch
Comment on attachment 247015 [details] Patch Clearing flags on attachment: 247015 Committed r180517: <http://trac.webkit.org/changeset/180517>
All reviewed patches have been landed. Closing bug.