hg: shenandoah/jdk9/hotspot: 12 new changesets

[roman at kennke.org]

Changeset: 017d4565c511
Author:    rkennke
Date:      2015-12-17 11:21 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/017d4565c511

Scan and update roots in one pass in mark-compact.

! src/share/vm/gc/shenandoah/shenandoahMarkCompact.cpp

Changeset: c9ed03408499
Author:    rkennke
Date:      2015-12-17 11:23 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/c9ed03408499

Disable concurrent class unloading by default on Shenandoah.

! src/share/vm/runtime/arguments.cpp

Changeset: 68d965199381
Author:    rkennke
Date:      2015-12-17 11:25 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/68d965199381

Removed obsolete code paths.

! src/cpu/x86/vm/shenandoahBarrierSet_x86.cpp
! src/share/vm/gc/shenandoah/shenandoahBarrierSet.cpp
! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp
! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.hpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.cpp
! src/share/vm/gc/shenandoah/shenandoahMarkCompact.cpp
! src/share/vm/gc/shenandoah/vm_operations_shenandoah.cpp
! src/share/vm/gc/shenandoah/vm_operations_shenandoah.hpp
! src/share/vm/runtime/globals.hpp
! src/share/vm/runtime/vm_operations.hpp

Changeset: 0f5880e2f125
Author:    rkennke
Date:      2015-12-17 11:25 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/0f5880e2f125

Move obj-striding to concurrent marking phase.

! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.hpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.inline.hpp

Changeset: 9a9d56816109
Author:    rkennke
Date:      2015-12-17 11:25 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/9a9d56816109

Implement support for JVMStat, fix support for JMX monitoring in Shenandoah.

! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
+ src/share/vm/gc/shenandoah/shenandoahMonitoringSupport.cpp
+ src/share/vm/gc/shenandoah/shenandoahMonitoringSupport.hpp
! src/share/vm/services/memoryService.cpp
! src/share/vm/services/memoryService.hpp

Changeset: 33fc394d3768
Author:    rkennke
Date:      2015-12-17 11:26 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/33fc394d3768

Improve JvmStat support.

! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahMonitoringSupport.cpp
! src/share/vm/gc/shenandoah/shenandoahMonitoringSupport.hpp

Changeset: 02d946d044f6
Author:    rkennke
Date:      2015-12-17 11:26 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/02d946d044f6

Don't replace C2 write barriers with constants.

! src/share/vm/opto/phaseX.cpp

Changeset: ad40b3d71212
Author:    rkennke
Date:      2015-12-17 11:27 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/ad40b3d71212

Update refs in JNI weak references before processing them.

! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp

Changeset: cd75ee3e3117
Author:    rkennke
Date:      2015-12-17 11:27 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/cd75ee3e3117

Added measurements of gross pause times.

! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.cpp
! src/share/vm/gc/shenandoah/shenandoahCollectorPolicy.hpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.cpp

Changeset: 792f35daa7fc
Author:    rkennke
Date:      2015-12-17 11:27 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/792f35daa7fc

Remove bogus safepoint synchronize code for Shenandoah.

! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentThread.hpp
! src/share/vm/runtime/safepoint.cpp

Changeset: c4d05bddeb66
Author:    rkennke
Date:      2015-12-17 11:28 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/c4d05bddeb66

Improve root scanning.

! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.inline.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.inline.hpp

Changeset: 0c65abb8f953
Author:    rkennke
Date:      2015-12-17 11:28 +0100
URL:       http://hg.openjdk.java.net/shenandoah/jdk9/hotspot/rev/0c65abb8f953

Fix scanning of regions when dead objects point to unloaded classes. Happens with concurrent class unloading.

! src/share/vm/gc/shenandoah/shenandoahConcurrentMark.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.cpp
! src/share/vm/gc/shenandoah/shenandoahHeap.hpp
! src/share/vm/gc/shenandoah/shenandoahHeap.inline.hpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.cpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.hpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegion.inline.hpp
! src/share/vm/gc/shenandoah/shenandoahHeapRegionSet.cpp
! src/share/vm/gc/shenandoah/shenandoahMarkCompact.cpp
! src/share/vm/gc/shenandoah/vm_operations_shenandoah.cpp
! src/share/vm/opto/shenandoahSupport.cpp
! src/share/vm/runtime/arguments.cpp