1 /*

     2  * Copyright (c) 2013, 2015, 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  */

    24 

    25 #ifndef SHARE_VM_GC_G1_EVACUATIONINFO_HPP

    26 #define SHARE_VM_GC_G1_EVACUATIONINFO_HPP

    27 

    28 #include "memory/allocation.hpp"

    29 

    30 class EvacuationInfo : public StackObj {

    31   uint _collectionset_regions;

    32   uint _allocation_regions;

    33   size_t _collectionset_used_before;

    34   size_t _collectionset_used_after;

    35   size_t _alloc_regions_used_before;

    36   size_t _bytes_copied;

    37   uint   _regions_freed;

    38 

    39 public:

    40   EvacuationInfo() : _collectionset_regions(0), _allocation_regions(0), _collectionset_used_before(0),

    41                      _collectionset_used_after(0), _alloc_regions_used_before(0),

    42                      _bytes_copied(0), _regions_freed(0) { }

    43 

    44   void set_collectionset_regions(uint collectionset_regions) {

    45     _collectionset_regions = collectionset_regions;

    46   }

    47 

    48   void set_allocation_regions(uint allocation_regions) {

    49     _allocation_regions = allocation_regions;

    50   }

    51 

    52   void set_collectionset_used_before(size_t used) {

    53     _collectionset_used_before = used;

    54   }

    55 

    56   void increment_collectionset_used_after(size_t used) {

    57     _collectionset_used_after += used;

    58   }

    59 

    60   void set_alloc_regions_used_before(size_t used) {

    61     _alloc_regions_used_before = used;

    62   }

    63 

    64   void set_bytes_copied(size_t copied) {

    65     _bytes_copied = copied;

    66   }

    67 

    68   void set_regions_freed(uint freed) {

    69     _regions_freed += freed;

    70   }

    71 

    72   uint   collectionset_regions()     { return _collectionset_regions; }

    73   uint   allocation_regions()        { return _allocation_regions; }

    74   size_t collectionset_used_before() { return _collectionset_used_before; }

    75   size_t collectionset_used_after()  { return _collectionset_used_after; }

    76   size_t alloc_regions_used_before() { return _alloc_regions_used_before; }

    77   size_t bytes_copied()              { return _bytes_copied; }

    78   uint   regions_freed()             { return _regions_freed; }

    79 };

    80 

    81 #endif // SHARE_VM_GC_G1_EVACUATIONINFO_HPP