1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/share/vm/gc_implementation/shared/cSpaceCounters.hpp Sat Dec 01 00:00:00 2007 +0000 1.3 @@ -0,0 +1,77 @@ 1.4 +/* 1.5 + * Copyright 2002-2004 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 +// A CSpaceCounters is a holder class for performance counters 1.29 +// that track a space; 1.30 + 1.31 +class CSpaceCounters: public CHeapObj { 1.32 + friend class VMStructs; 1.33 + 1.34 + private: 1.35 + PerfVariable* _capacity; 1.36 + PerfVariable* _used; 1.37 + 1.38 + // Constant PerfData types don't need to retain a reference. 1.39 + // However, it's a good idea to document them here. 1.40 + // PerfConstant* _size; 1.41 + 1.42 + ContiguousSpace* _space; 1.43 + char* _name_space; 1.44 + 1.45 + public: 1.46 + 1.47 + CSpaceCounters(const char* name, int ordinal, size_t max_size, 1.48 + ContiguousSpace* s, GenerationCounters* gc); 1.49 + 1.50 + ~CSpaceCounters() { 1.51 + if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space); 1.52 + } 1.53 + 1.54 + inline void update_capacity() { 1.55 + _capacity->set_value(_space->capacity()); 1.56 + } 1.57 + 1.58 + inline void update_used() { 1.59 + _used->set_value(_space->used()); 1.60 + } 1.61 + 1.62 + inline void update_all() { 1.63 + update_used(); 1.64 + update_capacity(); 1.65 + } 1.66 + 1.67 + const char* name_space() const { return _name_space; } 1.68 +}; 1.69 + 1.70 +class ContiguousSpaceUsedHelper : public PerfLongSampleHelper { 1.71 + private: 1.72 + ContiguousSpace* _space; 1.73 + 1.74 + public: 1.75 + ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { } 1.76 + 1.77 + inline jlong take_sample() { 1.78 + return _space->used(); 1.79 + } 1.80 +};