--- old/src/share/vm/gc_implementation/shared/hSpaceCounters.hpp 2015-05-12 11:42:09.652974956 +0200 +++ /dev/null 2015-03-18 17:10:38.111854831 +0100 @@ -1,86 +0,0 @@ -/* - * Copyright (c) 2011, 2014, 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. - * - */ - -#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_HSPACECOUNTERS_HPP -#define SHARE_VM_GC_IMPLEMENTATION_SHARED_HSPACECOUNTERS_HPP - -#include "utilities/macros.hpp" -#include "gc_implementation/shared/generationCounters.hpp" -#include "memory/generation.hpp" -#include "runtime/perfData.hpp" - -// A HSpaceCounter is a holder class for performance counters -// that track a collections (logical spaces) in a heap; - -class HeapSpaceUsedHelper; -class G1SpaceMonitoringSupport; - -class HSpaceCounters: public CHeapObj { - friend class VMStructs; - - private: - PerfVariable* _capacity; - PerfVariable* _used; - - // Constant PerfData types don't need to retain a reference. - // However, it's a good idea to document them here. - - char* _name_space; - - public: - - HSpaceCounters(const char* name, int ordinal, size_t max_size, - size_t initial_capacity, GenerationCounters* gc); - - ~HSpaceCounters() { - if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space); - } - - inline void update_capacity(size_t v) { - _capacity->set_value(v); - } - - inline void update_used(size_t v) { - _used->set_value(v); - } - - debug_only( - // for security reasons, we do not allow arbitrary reads from - // the counters as they may live in shared memory. - jlong used() { - return _used->get_value(); - } - jlong capacity() { - return _used->get_value(); - } - ) - - inline void update_all(size_t capacity, size_t used) { - update_capacity(capacity); - update_used(used); - } - - const char* name_space() const { return _name_space; } -}; -#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_HSPACECOUNTERS_HPP --- /dev/null 2015-03-18 17:10:38.111854831 +0100 +++ new/src/share/vm/gc/shared/hSpaceCounters.hpp 2015-05-12 11:42:09.473967501 +0200 @@ -0,0 +1,86 @@ +/* + * Copyright (c) 2011, 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. + * + */ + +#ifndef SHARE_VM_GC_SHARED_HSPACECOUNTERS_HPP +#define SHARE_VM_GC_SHARED_HSPACECOUNTERS_HPP + +#include "gc/shared/generation.hpp" +#include "gc/shared/generationCounters.hpp" +#include "runtime/perfData.hpp" +#include "utilities/macros.hpp" + +// A HSpaceCounter is a holder class for performance counters +// that track a collections (logical spaces) in a heap; + +class HeapSpaceUsedHelper; +class G1SpaceMonitoringSupport; + +class HSpaceCounters: public CHeapObj { + friend class VMStructs; + + private: + PerfVariable* _capacity; + PerfVariable* _used; + + // Constant PerfData types don't need to retain a reference. + // However, it's a good idea to document them here. + + char* _name_space; + + public: + + HSpaceCounters(const char* name, int ordinal, size_t max_size, + size_t initial_capacity, GenerationCounters* gc); + + ~HSpaceCounters() { + if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space); + } + + inline void update_capacity(size_t v) { + _capacity->set_value(v); + } + + inline void update_used(size_t v) { + _used->set_value(v); + } + + debug_only( + // for security reasons, we do not allow arbitrary reads from + // the counters as they may live in shared memory. + jlong used() { + return _used->get_value(); + } + jlong capacity() { + return _used->get_value(); + } + ) + + inline void update_all(size_t capacity, size_t used) { + update_capacity(capacity); + update_used(used); + } + + const char* name_space() const { return _name_space; } +}; +#endif // SHARE_VM_GC_SHARED_HSPACECOUNTERS_HPP