jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/shared/spaceCounters.cpp@0bfd3fb24150

6858496: Clear all SoftReferences before an out-of-memory due to GC overhead limit.
Summary: Ensure a full GC that clears SoftReferences before throwing an out-of-memory
Reviewed-by: ysr, jcoomes

     1 /*

     2  * Copyright 2002-2004 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/_spaceCounters.cpp.incl"

    28 SpaceCounters::SpaceCounters(const char* name, int ordinal, size_t max_size,

    29                              MutableSpace* m, GenerationCounters* gc) :

    30    _object_space(m) {

    32   if (UsePerfData) {

    33     EXCEPTION_MARK;

    34     ResourceMark rm;

    36     const char* cns = PerfDataManager::name_space(gc->name_space(), "space",

    37                                                   ordinal);

    39     _name_space = NEW_C_HEAP_ARRAY(char, strlen(cns)+1);

    40     strcpy(_name_space, cns);

    42     const char* cname = PerfDataManager::counter_name(_name_space, "name");

    43     PerfDataManager::create_string_constant(SUN_GC, cname, name, CHECK);

    45     cname = PerfDataManager::counter_name(_name_space, "maxCapacity");

    46     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,

    47                                      (jlong)max_size, CHECK);

    49     cname = PerfDataManager::counter_name(_name_space, "capacity");

    50     _capacity = PerfDataManager::create_variable(SUN_GC, cname,

    51                                    PerfData::U_Bytes,

    52                                    _object_space->capacity_in_bytes(), CHECK);

    54     cname = PerfDataManager::counter_name(_name_space, "used");

    55     _used = PerfDataManager::create_variable(SUN_GC, cname, PerfData::U_Bytes,

    56                                     new MutableSpaceUsedHelper(_object_space),

    57                                     CHECK);

    59     cname = PerfDataManager::counter_name(_name_space, "initCapacity");

    60     PerfDataManager::create_constant(SUN_GC, cname, PerfData::U_Bytes,

    61                                      _object_space->capacity_in_bytes(), CHECK);

    62   }

    63 }

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

src/share/vm/gc_implementation/shared/spaceCounters.cpp@0bfd3fb24150

src/share/vm/gc_implementation/shared/spaceCounters.cpp