jdk8-mips64-public/hotspot: src/share/vm/oops/oop.psgc.inline.hpp@55a0da3d420b

8027675: Full collections with Serial slower in JDK 8 compared to 7u40
Summary: Reduced the number of calls to follow_class_loader and instead marked and pushed the klass holder directly. Also removed unneeded calls to adjust_klass.
Reviewed-by: coleenp, jmasa, mgerdin, tschatzl

     1 /*

     2  * Copyright (c) 2002, 2012, 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

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    22  *

    23  */

    25 #ifndef SHARE_VM_OOPS_OOP_PSGC_INLINE_HPP

    26 #define SHARE_VM_OOPS_OOP_PSGC_INLINE_HPP

    28 #include "utilities/macros.hpp"

    29 #if INCLUDE_ALL_GCS

    30 #include "gc_implementation/parallelScavenge/parallelScavengeHeap.hpp"

    31 #include "gc_implementation/parallelScavenge/psScavenge.hpp"

    32 #include "gc_implementation/parallelScavenge/psScavenge.inline.hpp"

    33 #endif // INCLUDE_ALL_GCS

    35 // ParallelScavengeHeap methods

    37 inline void oopDesc::push_contents(PSPromotionManager* pm) {

    38   Klass* k = klass();

    39   if (!k->oop_is_typeArray()) {

    40     // It might contain oops beyond the header, so take the virtual call.

    41     k->oop_push_contents(pm, this);

    42   }

    43   // Else skip it.  The TypeArrayKlass in the header never needs scavenging.

    44 }

    46 #endif // SHARE_VM_OOPS_OOP_PSGC_INLINE_HPP

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

src/share/vm/oops/oop.psgc.inline.hpp@55a0da3d420b

src/share/vm/oops/oop.psgc.inline.hpp