7172279: G1: Clean up TraceGen0Time and TraceGen1Time data gathering Summary: Simplify code, remove unused code, remove ExitAfterGCNum Reviewed-by: huntch, johnc

7158682: G1: Handle leak when running nsk.sysdict tests Summary: Place HandleMarks in the code that allocates handles for the pending list lock so that the handles are freed and multiple, unsuccessful, attempts to schedule a GC do not cause an OOM. Reviewed-by: brutisso

7171936: LOG_G incorrectly defined in globalDefinitions.hpp Summary: Removed LOG_G and LOG_K. Moved LOG_M to where it is being used. Reviewed-by: twisti, johnc

7143858: G1: Back to back young GCs with the second GC having a minimally sized eden Summary: Before the last thread to leave a JNI critical region was able to schedule a GCLocker Initiated GC, another thread was attempting an allocation and saw that the GCLocker region was no longer active and successfully scheduled a GC. Stall allocating threads until the GCLocker Initiated GC is performed and then retry the allocation. Reviewed-by: brutisso, huntch

7168848: Add test to check that humongous object allocation path also checks the heap occupancy. Summary: Added test that checks humongous object allocation path also check the heap occupancy and initiate a marking cycle when / if needed. Reviewed-by: brutisso, jwilhelm

7169062: CMS: Assertion failed with -XX:+ObjectAlignmentInBytes=64 Summary: Removed the assert in CompactibleFreeListSpace::check_free_list_consistency() since it was too strict. Simplified CompactibleFreeListSpace::set_cms_values() to reducde the need for asserts. Reviewed-by: jcoomes, stefank

Merge

Merge