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Bug ID: 6951623 possible performance problems in FollowReferences() and GetObjectsWithTags()
6951623 : possible performance problems in FollowReferences() and GetObjectsWithTags()

Details
Type:
Bug
Submit Date:
2010-05-11
Status:
Closed
Updated Date:
2013-05-22
Project Name:
JDK
Resolved Date:
2011-09-30
Component:
hotspot
OS:
generic
Sub-Component:
jvmti
CPU:
generic
Priority:
P3
Resolution:
Fixed
Affected Versions:
hs14
Fixed Versions:
hs22

Related Reports
Backport:
JDK-2213961 - possible performance problems in FollowReferences() and GetObjectsWithTags()
Backport:
JDK-8011665 - possible performance problems in FollowReferences() and GetObjectsWithTags()
Backport:
JDK-8015138 - possible performance problems in FollowReferences() and GetObjectsWithTags()
Backport:
JDK-2212642 - possible performance problems in FollowReferences() and GetObjectsWithTags()
Backport:
JDK-2213545 - possible performance problems in FollowReferences() and GetObjectsWithTags()
Backport:
JDK-8011666 - possible performance problems in FollowReferences() and GetObjectsWithTags()
Backport:
JDK-8011667 - possible performance problems in FollowReferences() and GetObjectsWithTags()
Relates:
JDK-7043987 - JVMTI FollowReferences is slow

Sub Tasks

Description
See comments.

Comments
EVALUATION

See main CR
2011-09-14 
EVALUATION

http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/88dce6a60ac8
2011-07-27 
EVALUATION

http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/88dce6a60ac8
2011-06-30 
SUGGESTED FIX

Please see the attached 6951623-webrev-cr0.tgz for
the proposed fix (code review round 0).
2011-06-27 
EVALUATION

This bug will be used to handle the:

- calls collect_stack_roots() before collect_simple_roots()

optimization that Ashok provided in 7043987.
2011-06-27


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