Bug 165550

Summary: Add system trace points for JavaScript VM entry/exit
Product: WebKit Reporter: Simon Fraser (smfr) <simon.fraser>
Component: New BugsAssignee: Simon Fraser (smfr) <simon.fraser>
Status: RESOLVED FIXED    
Severity: Normal CC: benjamin, cdumez, cmarcelo, commit-queue, dbates, ggaren, keith_miller, mark.lam, msaboff, saam, simon.fraser, thorton
Priority: P2    
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Attachments:
Description Flags
Patch none

Description Simon Fraser (smfr) 2016-12-07 14:29:00 PST 
Add system trace points for JavaScript VM entry/exit
Comment 1 Simon Fraser (smfr) 2016-12-07 14:29:36 PST 
Created attachment 296425 [details]
Patch
Comment 2 WebKit Commit Bot 2016-12-07 15:42:26 PST 
Comment on attachment 296425 [details]
Patch

Clearing flags on attachment: 296425

Committed r209489: <http://trac.webkit.org/changeset/209489>
Comment 3 WebKit Commit Bot 2016-12-07 15:42:32 PST 
All reviewed patches have been landed.  Closing bug.
Comment 4 Chris Dumez 2016-12-08 10:07:15 PST 
Reverted r209489 for reason:

Likely caused large regressions on JetStream, Sunspider and Speedometer

Committed r209544: <http://trac.webkit.org/changeset/209544>
Comment 5 Chris Dumez 2016-12-13 12:44:55 PST 
Reverted r209544 for reason:

Looks like r209489 did not cause the performance regression after all

Committed r209773: <http://trac.webkit.org/changeset/209773>