--- /dev/null 2019-07-25 13:07:35.456009699 +0200 +++ new/src/hotspot/share/memory/metaspace/runningCounters.cpp 2019-07-25 15:30:12.101555576 +0200 @@ -0,0 +1,98 @@ +/* + * Copyright (c) 2018, 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 "memory/metaspace/counter.hpp" +#include "memory/metaspace/runningCounters.hpp" +#include "memory/metaspace/virtualSpaceList.hpp" +#include "memory/metaspace/chunkManager.hpp" + +namespace metaspace { + +SizeAtomicCounter RunningCounters::_used_class; +SizeAtomicCounter RunningCounters::_used_nonclass; + +// Return reserved size, in words, for Metaspace +size_t RunningCounters::reserved_words() { + return reserved_words_class() + reserved_words_nonclass(); +} + +size_t RunningCounters::reserved_words_class() { + VirtualSpaceList* vs = VirtualSpaceList::vslist_class(); + return vs != NULL ? vs->reserved_words() : 0; +} + +size_t RunningCounters::reserved_words_nonclass() { + return VirtualSpaceList::vslist_nonclass()->reserved_words(); +} + +// Return total committed size, in words, for Metaspace +size_t RunningCounters::committed_words() { + return committed_words_class() + committed_words_nonclass(); +} + +size_t RunningCounters::committed_words_class() { + VirtualSpaceList* vs = VirtualSpaceList::vslist_class(); + return vs != NULL ? vs->committed_words() : 0; +} + +size_t RunningCounters::committed_words_nonclass() { + return VirtualSpaceList::vslist_nonclass()->committed_words(); +} + + +// ---- used chunks ----- + +// Returns size, in words, used for metadata. +size_t RunningCounters::used_words() { + return used_words_class() + used_words_nonclass(); +} + +size_t RunningCounters::used_words_class() { + return _used_class.get(); +} + +size_t RunningCounters::used_words_nonclass() { + return _used_nonclass.get(); +} + +// ---- free chunks ----- + +// Returns size, in words, of all chunks in all freelists. +size_t RunningCounters::free_chunks_words() { + return free_chunks_words_class() + free_chunks_words_nonclass(); +} + +size_t RunningCounters::free_chunks_words_class() { + ChunkManager* cm = ChunkManager::chunkmanager_class(); + return cm != NULL ? cm->total_word_size() : 0; +} + +size_t RunningCounters::free_chunks_words_nonclass() { + return ChunkManager::chunkmanager_nonclass()->total_word_size(); +} + +} // namespace metaspace + +