JDK-6970376 : ParNew: shared TaskQueue statistics
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: hs19
  • Priority: P4
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2010-07-19
  • Updated: 2011-04-23
  • Resolved: 2011-04-23
The Version table provides details related to the release that this issue/RFE will be addressed.

Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.

To download the current JDK release, click here.
JDK 6 JDK 7 Other
6u21pFixed 7Fixed hs19Fixed
Related Reports
Relates :  
Relates :  
Description
Code to keep some basic statistics on TaskQueue operations like pushes, overflow pushes, steals, etc., exists in the ParNew ParScanThreadState class and related classes.  This code should be removed and the stats built into TaskQueue should be used instead.

Comments
EVALUATION http://hg.openjdk.java.net/jdk7/hotspot-gc/hotspot/rev/94251661de76
10-08-2010

EVALUATION See description. The overflow statistics will have to be handled specially since ParNew does not use OverflowTaskQueue, but it is simple to do so.
19-07-2010