jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/g1/g1YCTypes.hpp@7df07d855c8e

8048085: Aborting marking just before remark results in useless additional clearing of the next mark bitmap
Summary: Skip clearing the next bitmap if we just recently aborted since the full GC already clears this bitmap.
Reviewed-by: brutisso

     1 /*

     2  * Copyright (c) 2012, 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_G1_G1YCTYPES_HPP

    26 #define SHARE_VM_GC_IMPLEMENTATION_G1_G1YCTYPES_HPP

    28 #include "utilities/debug.hpp"

    30 enum G1YCType {

    31   Normal,

    32   InitialMark,

    33   DuringMark,

    34   Mixed,

    35   G1YCTypeEndSentinel

    36 };

    38 class G1YCTypeHelper {

    39  public:

    40   static const char* to_string(G1YCType type) {

    41     switch(type) {

    42       case Normal: return "Normal";

    43       case InitialMark: return "Initial Mark";

    44       case DuringMark: return "During Mark";

    45       case Mixed: return "Mixed";

    46       default: ShouldNotReachHere(); return NULL;

    47     }

    48   }

    49 };

    51 #endif // SHARE_VM_GC_IMPLEMENTATION_G1_G1YCTYPES_HPP

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

src/share/vm/gc_implementation/g1/g1YCTypes.hpp@7df07d855c8e

src/share/vm/gc_implementation/g1/g1YCTypes.hpp