jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/vm_operations

6484959: G1: introduce survivor spaces
6797754: G1: combined bugfix
Summary: Implemented a policy to control G1 survivor space parameters.
Reviewed-by: tonyp, iveresov

     1 /*

     2  * Copyright 2001-2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    20  * CA 95054 USA or visit www.sun.com if you need additional information or

    21  * have any questions.

    22  *

    23  */

    25 #include "incls/_precompiled.incl"

    26 #include "incls/_vm_operations_g1.cpp.incl"

    28 void VM_G1CollectForAllocation::doit() {

    29   JvmtiGCForAllocationMarker jgcm;

    30   G1CollectedHeap* g1h = G1CollectedHeap::heap();

    31   _res = g1h->satisfy_failed_allocation(_size);

    32   assert(g1h->is_in_or_null(_res), "result not in heap");

    33 }

    35 void VM_G1CollectFull::doit() {

    36   JvmtiGCFullMarker jgcm;

    37   G1CollectedHeap* g1h = G1CollectedHeap::heap();

    38   GCCauseSetter x(g1h, _gc_cause);

    39   g1h->do_full_collection(false /* clear_all_soft_refs */);

    40 }

    42 void VM_G1IncCollectionPause::doit() {

    43   JvmtiGCForAllocationMarker jgcm;

    44   G1CollectedHeap* g1h = G1CollectedHeap::heap();

    45   GCCauseSetter x(g1h, GCCause::_g1_inc_collection_pause);

    46   g1h->do_collection_pause_at_safepoint(NULL);

    47 }

    49 void VM_G1PopRegionCollectionPause::doit() {

    50   JvmtiGCForAllocationMarker jgcm;

    51   G1CollectedHeap* g1h = G1CollectedHeap::heap();

    52   g1h->do_collection_pause_at_safepoint(_pop_region);

    53 }

    56 void VM_CGC_Operation::doit() {

    57   gclog_or_tty->date_stamp(PrintGC && PrintGCDateStamps);

    58   TraceCPUTime tcpu(PrintGCDetails, true, gclog_or_tty);

    59   TraceTime t(_printGCMessage, PrintGC, true, gclog_or_tty);

    60   SharedHeap* sh = SharedHeap::heap();

    61   // This could go away if CollectedHeap gave access to _gc_is_active...

    62   if (sh != NULL) {

    63     IsGCActiveMark x;

    64     _cl->do_void();

    65   } else {

    66     _cl->do_void();

    67   }

    68 }

    70 bool VM_CGC_Operation::doit_prologue() {

    71   Heap_lock->lock();

    72   SharedHeap::heap()->_thread_holds_heap_lock_for_gc = true;

    73   return true;

    74 }

    76 void VM_CGC_Operation::doit_epilogue() {

    77   SharedHeap::heap()->_thread_holds_heap_lock_for_gc = false;

    78   Heap_lock->unlock();

    79 }

src/share/vm/gc_implementation/g1/vm_operations_g1.cpp@58054a18d735

src/share/vm/gc_implementation/g1/vm_operations_g1.cpp

Mercurial > jdk8-mips64-public > hotspot / file revision

src/share/vm/gc_implementation/g1/vm_operations_g1.cpp@58054a18d735

src/share/vm/gc_implementation/g1/vm_operations_g1.cpp