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

     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/services/psMemoryPool.hpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,81 @@
     1.4 +/*
     1.5 + * Copyright (c) 2007 Sun Microsystems, Inc.  All Rights Reserved.
     1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
     1.7 + *
     1.8 + * This code is free software; you can redistribute it and/or modify it
     1.9 + * under the terms of the GNU General Public License version 2 only, as
    1.10 + * published by the Free Software Foundation.
    1.11 + *
    1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
    1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
    1.14 + * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
    1.15 + * version 2 for more details (a copy is included in the LICENSE file that
    1.16 + * accompanied this code).
    1.17 + *
    1.18 + * You should have received a copy of the GNU General Public License version
    1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
    1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
    1.21 + *
    1.22 + * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
    1.23 + * CA 95054 USA or visit www.sun.com if you need additional information or
    1.24 + * have any questions.
    1.25 + *
    1.26 + */
    1.27 +
    1.28 +class PSGenerationPool : public CollectedMemoryPool {
    1.29 +private:
    1.30 +  PSOldGen* _gen;
    1.31 +
    1.32 +public:
    1.33 +  PSGenerationPool(PSOldGen* pool, const char* name, PoolType type, bool support_usage_threshold);
    1.34 +  PSGenerationPool(PSPermGen* pool, const char* name, PoolType type, bool support_usage_threshold);
    1.35 +
    1.36 +  MemoryUsage get_memory_usage();
    1.37 +  size_t used_in_bytes()              { return _gen->used_in_bytes(); }
    1.38 +  size_t max_size() const             { return _gen->reserved().byte_size(); }
    1.39 +};
    1.40 +
    1.41 +class EdenMutableSpacePool : public CollectedMemoryPool {
    1.42 +private:
    1.43 +  PSYoungGen*   _gen;
    1.44 +  MutableSpace* _space;
    1.45 +
    1.46 +public:
    1.47 +  EdenMutableSpacePool(PSYoungGen* gen,
    1.48 +                       MutableSpace* space,
    1.49 +                       const char* name,
    1.50 +                       PoolType type,
    1.51 +                       bool support_usage_threshold);
    1.52 +
    1.53 +  MutableSpace* space()                     { return _space; }
    1.54 +  MemoryUsage get_memory_usage();
    1.55 +  size_t used_in_bytes()                    { return space()->used_in_bytes(); }
    1.56 +  size_t max_size() const {
    1.57 +    // Eden's max_size = max_size of Young Gen - the current committed size of survivor spaces
    1.58 +    return _gen->max_size() - _gen->from_space()->capacity_in_bytes() - _gen->to_space()->capacity_in_bytes();
    1.59 +  }
    1.60 +};
    1.61 +
    1.62 +class SurvivorMutableSpacePool : public CollectedMemoryPool {
    1.63 +private:
    1.64 +  PSYoungGen*   _gen;
    1.65 +
    1.66 +public:
    1.67 +  SurvivorMutableSpacePool(PSYoungGen* gen,
    1.68 +                           const char* name,
    1.69 +                           PoolType type,
    1.70 +                           bool support_usage_threshold);
    1.71 +
    1.72 +  MemoryUsage get_memory_usage();
    1.73 +
    1.74 +  size_t used_in_bytes() {
    1.75 +    return _gen->from_space()->used_in_bytes();
    1.76 +  }
    1.77 +  size_t committed_in_bytes() {
    1.78 +    return _gen->from_space()->capacity_in_bytes();
    1.79 +  }
    1.80 +  size_t max_size() const {
    1.81 +    // Return current committed size of the from-space
    1.82 +    return _gen->from_space()->capacity_in_bytes();
    1.83 +  }
    1.84 +};