hg: hsx/hotspot-gc/hotspot: 7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine

[mikael.gerdin at oracle.com]

Changeset: 2e093b564241
Author:    mgerdin
Date:      2013-03-28 10:27 +0100
URL:       http://hg.openjdk.java.net/hsx/hotspot-gc/hotspot/rev/2e093b564241

7014552: gc/lock/jni/jnilockXXX works too slow on 1-processor machine
Summary: Keep a counter of how many times we were stalled by the GC locker, add a diagnostic flag which sets the limit.
Reviewed-by: brutisso, ehelin, johnc

! src/share/vm/gc_implementation/g1/g1CollectedHeap.cpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.hpp
! src/share/vm/gc_implementation/g1/g1CollectedHeap.inline.hpp
! src/share/vm/gc_implementation/parallelScavenge/parallelScavengeHeap.cpp
! src/share/vm/memory/collectorPolicy.cpp
! src/share/vm/runtime/globals.hpp