United StatesChange Country, Oracle Worldwide Web Sites Communities I am a... I want to...
Bug ID: JDK-6970376 ParNew: shared TaskQueue statistics
JDK-6970376 : ParNew: shared TaskQueue statistics

Details
Type:
Enhancement
Submit Date:
2010-07-19
Status:
Closed
Updated Date:
2011-04-23
Project Name:
JDK
Resolved Date:
2011-04-23
Component:
hotspot
OS:
generic
Sub-Component:
gc
CPU:
generic
Priority:
P4
Resolution:
Fixed
Affected Versions:
hs19
Fixed Versions:
hs19 (b06)

Related Reports
Backport:
Backport:
Backport:
Backport:
Relates:
Relates:

Sub Tasks

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

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

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



Hardware and Software, Engineered to Work Together