JDK-8028595 : WhiteBox API for stress testing of TieredCompilation
  • Type: Enhancement
  • Component: hotspot
  • Sub-Component: compiler
  • Affected Version: hs25
  • Priority: P3
  • Status: Resolved
  • Resolution: Fixed
  • Submitted: 2013-11-19
  • Updated: 2015-06-03
  • Resolved: 2014-12-16
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JDK 9
9 b45Fixed
Related Reports
Blocks :  
JDK-8059551 - JEP-JDK-8043304: Test task: stress tests
Relates :  
JDK-8068003 - compiler/whitebox/DeoptimizeFramesTest.java fails: compilation 48 can't be available
Relates :  
JDK-8067769 - Whitebox API misses deoptimizeFrames() functions
Description
For develop the stress tests of TieredCompilation, new WhiteBox API are required:
- lockCompilation(long timeout) /  unlockCompilation() : to lock compilation in order to stress queue balancing, counter overflowing
- deoptimizeFrames() : to deoptimize methods which are on stack
- testSetUseCodeCacheFlushing(boolean value) : to disable code flushing in order to stress code cache
- TestSetVMFlag( String name, boolean value ) : get VM final flags vaues
Comments
lockCompilation, testSetUseCodeCacheFlushing, TestSetVMFlag were added by another CR
27-11-2014
Release team: We cannot allow new tests to be developed and added. Rejecting request and deferring this to 8-pool. Please move it to 8u20 once target has been set up.
21-11-2013
8-critical-request: blocks test development for the late feature development, doesn't affect the product code
19-11-2013