jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/parallelScavenge/generationSizer.hpp@c49c7f835e8d

8025853: Remove unnecessary uses of GenerationSizer
Summary: Removed stray includes and some minor cleanup of GenerationSizer
Reviewed-by: tschatzl, jcoomes

     1 /*

     2  * Copyright (c) 2001, 2013, 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  */

    25 #ifndef SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP

    26 #define SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP

    28 #include "memory/collectorPolicy.hpp"

    30 // There is a nice batch of tested generation sizing code in

    31 // TwoGenerationCollectorPolicy. Lets reuse it!

    33 class GenerationSizer : public TwoGenerationCollectorPolicy {

    34  public:

    35   GenerationSizer() {

    36     // Partial init only!

    37     initialize_flags();

    38     initialize_size_info();

    39   }

    41   void initialize_flags() {

    42     // Do basic sizing work

    43     TwoGenerationCollectorPolicy::initialize_flags();

    45     assert(UseSerialGC ||

    46            !FLAG_IS_DEFAULT(ParallelGCThreads) ||

    47            (ParallelGCThreads > 0),

    48            "ParallelGCThreads should be set before flag initialization");

    50     // The survivor ratio's are calculated "raw", unlike the

    51     // default gc, which adds 2 to the ratio value. We need to

    52     // make sure the values are valid before using them.

    53     if (MinSurvivorRatio < 3) {

    54       MinSurvivorRatio = 3;

    55     }

    57     if (InitialSurvivorRatio < 3) {

    58       InitialSurvivorRatio = 3;

    59     }

    60   }

    62   size_t min_young_gen_size() { return _min_gen0_size; }

    63   size_t young_gen_size()     { return _initial_gen0_size; }

    64   size_t max_young_gen_size() { return _max_gen0_size; }

    66   size_t min_old_gen_size()   { return _min_gen1_size; }

    67   size_t old_gen_size()       { return _initial_gen1_size; }

    68   size_t max_old_gen_size()   { return _max_gen1_size; }

    69 };

    71 #endif // SHARE_VM_GC_IMPLEMENTATION_PARALLELSCAVENGE_GENERATIONSIZER_HPP

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

src/share/vm/gc_implementation/parallelScavenge/generationSizer.hpp@c49c7f835e8d

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