JDK-6951623 : possible performance problems in FollowReferences() and GetObjectsWithTags()
  • Type: Bug
  • Component: hotspot
  • Sub-Component: jvmti
  • Affected Version: hs14
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2010-05-11
  • Updated: 2013-06-22
  • Resolved: 2011-09-30
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1.4-pool,hs22Resolved 6u43Fixed 7u2Fixed 8Fixed hs22Fixed
Related Reports
Relates :  
JDK-7043987 - JVMTI FollowReferences is slow
Description
See comments.
Comments
EVALUATION See main CR
14-09-2011
EVALUATION http://hg.openjdk.java.net/hsx/hotspot-main/hotspot/rev/88dce6a60ac8
27-07-2011
EVALUATION http://hg.openjdk.java.net/hsx/hotspot-rt/hotspot/rev/88dce6a60ac8
30-06-2011
SUGGESTED FIX Please see the attached 6951623-webrev-cr0.tgz for the proposed fix (code review round 0).
27-06-2011
EVALUATION This bug will be used to handle the: - calls collect_stack_roots() before collect_simple_roots() optimization that Ashok provided in 7043987.
27-06-2011