/*

 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "gc/g1/g1CollectedHeap.hpp"

#include "gc/g1/heapRegion.hpp"

#include "services/g1MemoryPool.hpp"

G1MemoryPoolSuper::G1MemoryPoolSuper(G1CollectedHeap* g1h,

                                     const char* name,

                                     size_t init_size,

                                     size_t max_size,

                                     bool support_usage_threshold) :

  _g1mm(g1h->g1mm()), CollectedMemoryPool(name,

                                          MemoryPool::Heap,

                                          init_size,

                                          max_size,

                                          support_usage_threshold) {

  assert(UseG1GC, "sanity");

}

G1EdenPool::G1EdenPool(G1CollectedHeap* g1h) :

  G1MemoryPoolSuper(g1h,

                    "G1 Eden Space",

                    g1h->g1mm()->eden_space_committed(), /* init_size */

                    _undefined_max,

                    false /* support_usage_threshold */) { }

MemoryUsage G1EdenPool::get_memory_usage() {

  size_t initial_sz = initial_size();

  size_t max_sz     = max_size();

  size_t used       = used_in_bytes();

  size_t committed  = _g1mm->eden_space_committed();

  return MemoryUsage(initial_sz, used, committed, max_sz);

}

G1SurvivorPool::G1SurvivorPool(G1CollectedHeap* g1h) :

  G1MemoryPoolSuper(g1h,

                    "G1 Survivor Space",

                    g1h->g1mm()->survivor_space_committed(), /* init_size */

                    _undefined_max,

                    false /* support_usage_threshold */) { }

MemoryUsage G1SurvivorPool::get_memory_usage() {

  size_t initial_sz = initial_size();

  size_t max_sz     = max_size();

  size_t used       = used_in_bytes();

  size_t committed  = _g1mm->survivor_space_committed();

  return MemoryUsage(initial_sz, used, committed, max_sz);

}

G1OldGenPool::G1OldGenPool(G1CollectedHeap* g1h) :

  G1MemoryPoolSuper(g1h,

                    "G1 Old Gen",

                    g1h->g1mm()->old_space_committed(), /* init_size */

                    g1h->g1mm()->old_gen_max(),

                    true /* support_usage_threshold */) { }

MemoryUsage G1OldGenPool::get_memory_usage() {

  size_t initial_sz = initial_size();

  size_t max_sz     = max_size();

  size_t used       = used_in_bytes();

  size_t committed  = _g1mm->old_space_committed();

  return MemoryUsage(initial_sz, used, committed, max_sz);

}