1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/gc_implementation/shared/cSpaceCounters.hpp Wed Apr 27 01:25:04 2016 +0800 1.3 @@ -0,0 +1,87 @@ 1.4 +/* 1.5 + * Copyright (c) 2002, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 1.23 + * or visit www.oracle.com if you need additional information or have any 1.24 + * questions. 1.25 + * 1.26 + */ 1.27 + 1.28 +#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP 1.29 +#define SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP 1.30 + 1.31 +#include "gc_implementation/shared/generationCounters.hpp" 1.32 +#include "memory/space.inline.hpp" 1.33 +#include "runtime/perfData.hpp" 1.34 + 1.35 +// A CSpaceCounters is a holder class for performance counters 1.36 +// that track a space; 1.37 + 1.38 +class CSpaceCounters: public CHeapObj<mtGC> { 1.39 + friend class VMStructs; 1.40 + 1.41 + private: 1.42 + PerfVariable* _capacity; 1.43 + PerfVariable* _used; 1.44 + PerfVariable* _max_capacity; 1.45 + 1.46 + // Constant PerfData types don't need to retain a reference. 1.47 + // However, it's a good idea to document them here. 1.48 + // PerfConstant* _size; 1.49 + 1.50 + ContiguousSpace* _space; 1.51 + char* _name_space; 1.52 + 1.53 + public: 1.54 + 1.55 + CSpaceCounters(const char* name, int ordinal, size_t max_size, 1.56 + ContiguousSpace* s, GenerationCounters* gc); 1.57 + 1.58 + ~CSpaceCounters() { 1.59 + if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtInternal); 1.60 + } 1.61 + 1.62 + virtual inline void update_capacity() { 1.63 + _capacity->set_value(_space->capacity()); 1.64 + } 1.65 + 1.66 + virtual inline void update_used() { 1.67 + _used->set_value(_space->used()); 1.68 + } 1.69 + 1.70 + virtual inline void update_all() { 1.71 + update_used(); 1.72 + update_capacity(); 1.73 + } 1.74 + 1.75 + const char* name_space() const { return _name_space; } 1.76 +}; 1.77 + 1.78 +class ContiguousSpaceUsedHelper : public PerfLongSampleHelper { 1.79 + private: 1.80 + ContiguousSpace* _space; 1.81 + 1.82 + public: 1.83 + ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { } 1.84 + 1.85 + inline jlong take_sample() { 1.86 + return _space->used(); 1.87 + } 1.88 +}; 1.89 + 1.90 +#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP