JDK-7145345 : Code cache sweeper must cooperate with safepoints
  • Type: Bug
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs23
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2012-02-14
  • Updated: 2012-03-24
  • Resolved: 2012-03-24
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JDK 7 JDK 8 Other
7u4Fixed 8Fixed hs23Fixed
Related Reports
Relates :  
JDK-7143341 - +TieredCompilation regression on 7u4-b10 on Solaris
Description
Code cache sweeper must yield to safepoint. With high numbers of methods sweeping can block the safepoint from happening. Synchronization times on the order of 200ms are observed on T4 with AccountSOA benchmark.
Comments
EVALUATION http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/cfdfbeac0a5b
22-03-2012
EVALUATION http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/cfdfbeac0a5b
18-02-2012
EVALUATION Webrev: http://cr.openjdk.java.net/~iveresov/7145345/webrev.02/ Push: http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/cfdfbeac0a5b
16-02-2012