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src/hotspot/share/gc/g1/g1BarrierSet.cpp

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rev 57716 : imported patch remove_cbl_mon
   1 /*
   2  * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/g1BarrierSet.inline.hpp"
  27 #include "gc/g1/g1BarrierSetAssembler.hpp"
  28 #include "gc/g1/g1CardTable.inline.hpp"
  29 #include "gc/g1/g1CollectedHeap.inline.hpp"
  30 #include "gc/g1/g1SATBMarkQueueSet.hpp"
  31 #include "gc/g1/g1ThreadLocalData.hpp"
  32 #include "gc/g1/heapRegion.hpp"
  33 #include "gc/shared/satbMarkQueue.hpp"
  34 #include "logging/log.hpp"
  35 #include "oops/access.inline.hpp"
  36 #include "oops/compressedOops.inline.hpp"
  37 #include "oops/oop.inline.hpp"
  38 #include "runtime/interfaceSupport.inline.hpp"
  39 #include "runtime/mutexLocker.hpp"
  40 #include "runtime/orderAccess.hpp"
  41 #include "runtime/thread.inline.hpp"
  42 #include "utilities/macros.hpp"
  43 #ifdef COMPILER1
  44 #include "gc/g1/c1/g1BarrierSetC1.hpp"
  45 #endif
  46 #ifdef COMPILER2
  47 #include "gc/g1/c2/g1BarrierSetC2.hpp"
  48 #endif
  49 
  50 class G1BarrierSetC1;
  51 class G1BarrierSetC2;
  52 
  53 G1BarrierSet::G1BarrierSet(G1CardTable* card_table) :
  54   CardTableBarrierSet(make_barrier_set_assembler<G1BarrierSetAssembler>(),
  55                       make_barrier_set_c1<G1BarrierSetC1>(),
  56                       make_barrier_set_c2<G1BarrierSetC2>(),
  57                       card_table,
  58                       BarrierSet::FakeRtti(BarrierSet::G1BarrierSet)),
  59   _satb_mark_queue_buffer_allocator("SATB Buffer Allocator", G1SATBBufferSize),
  60   _dirty_card_queue_buffer_allocator("DC Buffer Allocator", G1UpdateBufferSize),
  61   _satb_mark_queue_set(&_satb_mark_queue_buffer_allocator),
  62   _dirty_card_queue_set(DirtyCardQ_CBL_mon, &_dirty_card_queue_buffer_allocator),
  63   _shared_dirty_card_queue(&_dirty_card_queue_set)
  64 {}
  65 
  66 void G1BarrierSet::enqueue(oop pre_val) {
  67   // Nulls should have been already filtered.
  68   assert(oopDesc::is_oop(pre_val, true), "Error");
  69   G1ThreadLocalData::satb_mark_queue(Thread::current()).enqueue(pre_val);
  70 }
  71 
  72 template <class T> void
  73 G1BarrierSet::write_ref_array_pre_work(T* dst, size_t count) {
  74   if (!_satb_mark_queue_set.is_active()) return;
  75   T* elem_ptr = dst;
  76   for (size_t i = 0; i < count; i++, elem_ptr++) {
  77     T heap_oop = RawAccess<>::oop_load(elem_ptr);
  78     if (!CompressedOops::is_null(heap_oop)) {
  79       enqueue(CompressedOops::decode_not_null(heap_oop));
  80     }
  81   }
  82 }


   1 /*
   2  * Copyright (c) 2001, 2020, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "gc/g1/g1BarrierSet.inline.hpp"
  27 #include "gc/g1/g1BarrierSetAssembler.hpp"
  28 #include "gc/g1/g1CardTable.inline.hpp"
  29 #include "gc/g1/g1CollectedHeap.inline.hpp"
  30 #include "gc/g1/g1SATBMarkQueueSet.hpp"
  31 #include "gc/g1/g1ThreadLocalData.hpp"
  32 #include "gc/g1/heapRegion.hpp"
  33 #include "gc/shared/satbMarkQueue.hpp"
  34 #include "logging/log.hpp"
  35 #include "oops/access.inline.hpp"
  36 #include "oops/compressedOops.inline.hpp"
  37 #include "oops/oop.inline.hpp"
  38 #include "runtime/interfaceSupport.inline.hpp"

  39 #include "runtime/orderAccess.hpp"
  40 #include "runtime/thread.inline.hpp"
  41 #include "utilities/macros.hpp"
  42 #ifdef COMPILER1
  43 #include "gc/g1/c1/g1BarrierSetC1.hpp"
  44 #endif
  45 #ifdef COMPILER2
  46 #include "gc/g1/c2/g1BarrierSetC2.hpp"
  47 #endif
  48 
  49 class G1BarrierSetC1;
  50 class G1BarrierSetC2;
  51 
  52 G1BarrierSet::G1BarrierSet(G1CardTable* card_table) :
  53   CardTableBarrierSet(make_barrier_set_assembler<G1BarrierSetAssembler>(),
  54                       make_barrier_set_c1<G1BarrierSetC1>(),
  55                       make_barrier_set_c2<G1BarrierSetC2>(),
  56                       card_table,
  57                       BarrierSet::FakeRtti(BarrierSet::G1BarrierSet)),
  58   _satb_mark_queue_buffer_allocator("SATB Buffer Allocator", G1SATBBufferSize),
  59   _dirty_card_queue_buffer_allocator("DC Buffer Allocator", G1UpdateBufferSize),
  60   _satb_mark_queue_set(&_satb_mark_queue_buffer_allocator),
  61   _dirty_card_queue_set(&_dirty_card_queue_buffer_allocator),
  62   _shared_dirty_card_queue(&_dirty_card_queue_set)
  63 {}
  64 
  65 void G1BarrierSet::enqueue(oop pre_val) {
  66   // Nulls should have been already filtered.
  67   assert(oopDesc::is_oop(pre_val, true), "Error");
  68   G1ThreadLocalData::satb_mark_queue(Thread::current()).enqueue(pre_val);
  69 }
  70 
  71 template <class T> void
  72 G1BarrierSet::write_ref_array_pre_work(T* dst, size_t count) {
  73   if (!_satb_mark_queue_set.is_active()) return;
  74   T* elem_ptr = dst;
  75   for (size_t i = 0; i < count; i++, elem_ptr++) {
  76     T heap_oop = RawAccess<>::oop_load(elem_ptr);
  77     if (!CompressedOops::is_null(heap_oop)) {
  78       enqueue(CompressedOops::decode_not_null(heap_oop));
  79     }
  80   }
  81 }


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