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Bug ID: 6970376 ParNew: shared TaskQueue statistics
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

Related Reports
Backport:
JDK-2197509 - ParNew: shared TaskQueue statistics
Backport:
JDK-2197795 - ParNew: shared TaskQueue statistics
Backport:
JDK-2199695 - ParNew: shared TaskQueue statistics
Backport:
JDK-2198042 - ParNew: shared TaskQueue statistics
Relates:
JDK-6962947 - shared TaskQueue statistics
Relates:
JDK-6976378 - ParNew: stats are printed unconditionally in debug builds

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

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


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