JDK-7146343 : PS invoke methods should indicate the type of gc done
  • Type: Bug
  • Component: hotspot
  • Sub-Component: gc
  • Affected Version: hs23
  • Priority: P3
  • Status: Closed
  • Resolution: Fixed
  • OS: generic
  • CPU: generic
  • Submitted: 2012-02-16
  • Updated: 2012-03-24
  • Resolved: 2012-03-24
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JDK 7 JDK 8 Other
7u4Fixed 8Fixed hs23Fixed
Related Reports
Relates :  
The ParallelGC invoke() and invoke_no_policy() methods should return a value to indicate whether a gc was done or not.  When different types of collections can occur, the return value should indicate the type of collection.

EVALUATION http://hg.openjdk.java.net/lambda/lambda/hotspot/rev/ab4422d0ed59

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-comp/hotspot/rev/ab4422d0ed59

EVALUATION http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/ab4422d0ed59

EVALUATION The simplest solution is to return a boolean indicating whether a gc was done. PSScavenge::invoke() is different in that it can invoke a young gc, full gc, or no gc (i.e., if GCLocker has locked out gc). Returning true if a full gc was done and false otherwise is enough to satisfy current needs. That is slightly quirky, but will be revisited.