src/share/vm/services/psMemoryPool.cpp

changeset 435
a61af66fc99e
child 1907
c18cbe5936b8
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/share/vm/services/psMemoryPool.cpp	Sat Dec 01 00:00:00 2007 +0000
     1.3 @@ -0,0 +1,96 @@
     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 +# include "incls/_precompiled.incl"
    1.29 +# include "incls/_psMemoryPool.cpp.incl"
    1.30 +
    1.31 +PSGenerationPool::PSGenerationPool(PSOldGen* gen,
    1.32 +                                   const char* name,
    1.33 +                                   PoolType type,
    1.34 +                                   bool support_usage_threshold) :
    1.35 +  CollectedMemoryPool(name, type, gen->capacity_in_bytes(),
    1.36 +                      gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {
    1.37 +}
    1.38 +
    1.39 +PSGenerationPool::PSGenerationPool(PSPermGen* gen,
    1.40 +                                   const char* name,
    1.41 +                                   PoolType type,
    1.42 +                                   bool support_usage_threshold) :
    1.43 +  CollectedMemoryPool(name, type, gen->capacity_in_bytes(),
    1.44 +                      gen->reserved().byte_size(), support_usage_threshold), _gen(gen) {
    1.45 +}
    1.46 +
    1.47 +MemoryUsage PSGenerationPool::get_memory_usage() {
    1.48 +  size_t maxSize   = (available_for_allocation() ? max_size() : 0);
    1.49 +  size_t used      = used_in_bytes();
    1.50 +  size_t committed = _gen->capacity_in_bytes();
    1.51 +
    1.52 +  return MemoryUsage(initial_size(), used, committed, maxSize);
    1.53 +}
    1.54 +
    1.55 +// The max size of EdenMutableSpacePool =
    1.56 +//     max size of the PSYoungGen - capacity of two survivor spaces
    1.57 +//
    1.58 +// Max size of PS eden space is changing due to ergonomic.
    1.59 +// PSYoungGen, PSOldGen, Eden, Survivor spaces are all resizable.
    1.60 +//
    1.61 +EdenMutableSpacePool::EdenMutableSpacePool(PSYoungGen* gen,
    1.62 +                                           MutableSpace* space,
    1.63 +                                           const char* name,
    1.64 +                                           PoolType type,
    1.65 +                                           bool support_usage_threshold) :
    1.66 +  CollectedMemoryPool(name, type, space->capacity_in_bytes(),
    1.67 +                      (gen->max_size() - gen->from_space()->capacity_in_bytes() - gen->to_space()->capacity_in_bytes()),
    1.68 +                       support_usage_threshold),
    1.69 +  _gen(gen), _space(space) {
    1.70 +}
    1.71 +
    1.72 +MemoryUsage EdenMutableSpacePool::get_memory_usage() {
    1.73 +  size_t maxSize   = (available_for_allocation() ? max_size() : 0);
    1.74 +  size_t used = used_in_bytes();
    1.75 +  size_t committed = _space->capacity_in_bytes();
    1.76 +
    1.77 +  return MemoryUsage(initial_size(), used, committed, maxSize);
    1.78 +}
    1.79 +
    1.80 +// The max size of SurvivorMutableSpacePool =
    1.81 +//     current capacity of the from-space
    1.82 +//
    1.83 +// PS from and to survivor spaces could have different sizes.
    1.84 +//
    1.85 +SurvivorMutableSpacePool::SurvivorMutableSpacePool(PSYoungGen* gen,
    1.86 +                                                   const char* name,
    1.87 +                                                   PoolType type,
    1.88 +                                                   bool support_usage_threshold) :
    1.89 +  CollectedMemoryPool(name, type, gen->from_space()->capacity_in_bytes(),
    1.90 +                      gen->from_space()->capacity_in_bytes(),
    1.91 +                      support_usage_threshold), _gen(gen) {
    1.92 +}
    1.93 +
    1.94 +MemoryUsage SurvivorMutableSpacePool::get_memory_usage() {
    1.95 +  size_t maxSize = (available_for_allocation() ? max_size() : 0);
    1.96 +  size_t used    = used_in_bytes();
    1.97 +  size_t committed = committed_in_bytes();
    1.98 +  return MemoryUsage(initial_size(), used, committed, maxSize);
    1.99 +}

mercurial