jdk8-mips64-public/hotspot: src/share/vm/gc_implementation/shared/cSpaceCounters.hpp@7426d8d76305

8034761: Remove the do_code_roots parameter from process_strong_roots
Reviewed-by: tschatzl, mgerdin, jmasa

     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

    21  * questions.

    22  *

    23  */

    25 #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP

    26 #define SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP

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

    29 #include "memory/space.inline.hpp"

    30 #include "runtime/perfData.hpp"

    32 // A CSpaceCounters is a holder class for performance counters

    33 // that track a space;

    35 class CSpaceCounters: public CHeapObj<mtGC> {

    36   friend class VMStructs;

    38  private:

    39   PerfVariable*      _capacity;

    40   PerfVariable*      _used;

    41   PerfVariable*      _max_capacity;

    43   // Constant PerfData types don't need to retain a reference.

    44   // However, it's a good idea to document them here.

    45   // PerfConstant*     _size;

    47   ContiguousSpace*     _space;

    48   char*                _name_space;

    50  public:

    52   CSpaceCounters(const char* name, int ordinal, size_t max_size,

    53                  ContiguousSpace* s, GenerationCounters* gc);

    55   ~CSpaceCounters() {

    56       if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtInternal);

    57   }

    59   virtual inline void update_capacity() {

    60     _capacity->set_value(_space->capacity());

    61   }

    63   virtual inline void update_used() {

    64     _used->set_value(_space->used());

    65   }

    67   virtual inline void update_all() {

    68     update_used();

    69     update_capacity();

    70   }

    72   const char* name_space() const        { return _name_space; }

    73 };

    75 class ContiguousSpaceUsedHelper : public PerfLongSampleHelper {

    76   private:

    77     ContiguousSpace* _space;

    79   public:

    80     ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { }

    82     inline jlong take_sample() {

    83       return _space->used();

    84     }

    85 };

    87 #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP

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