jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.hpp@da91efe96a93

6964458: Reimplement class meta-data storage to use native memory
Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes
Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland
Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>

     2 /*

     3  * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.

     4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     5  *

     6  * This code is free software; you can redistribute it and/or modify it

     7  * under the terms of the GNU General Public License version 2 only, as

     8  * published by the Free Software Foundation.

     9  *

    10  * This code is distributed in the hope that it will be useful, but WITHOUT

    11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    13  * version 2 for more details (a copy is included in the LICENSE file that

    14  * accompanied this code).

    15  *

    16  * You should have received a copy of the GNU General Public License version

    17  * 2 along with this work; if not, write to the Free Software Foundation,

    18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    19  *

    20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

    21  * or visit www.oracle.com if you need additional information or have any

    22  * questions.

    23  *

    24  */

    26 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP

    27 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP

    29 #include "gc_implementation/parallelScavenge/psVirtualspace.hpp"

    30 #include "gc_implementation/shared/generationCounters.hpp"

    31 #include "runtime/perfData.hpp"

    33 // A PSGenerationCounter is a holder class for performance counters

    34 // that track a generation

    36 class PSGenerationCounters: public GenerationCounters {

    37   friend class VMStructs;

    39  private:

    40   PSVirtualSpace*      _ps_virtual_space;

    42  public:

    43   PSGenerationCounters(const char* name, int ordinal, int spaces,

    44                      PSVirtualSpace* v);

    46   void update_all() {

    47     assert(_virtual_space == NULL, "Only one should be in use");

    48     _current_size->set_value(_ps_virtual_space->committed_size());

    49   }

    50 };

    52 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_PSGENERATIONCOUNTERS_HPP

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

src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.hpp@da91efe96a93

src/share/vm/gc_implementation/parallelScavenge/psGenerationCounters.hpp