• file
• revisions
• annotate
• diff
• comparison
• raw

src/share/vm/gc_implementation/shared/cSpaceCounters.hpp@7426d8d76305 (annotated)

src/share/vm/gc_implementation/shared/cSpaceCounters.hpp

Thu, 13 Feb 2014 17:44:39 +0100

author

stefank

date

Thu, 13 Feb 2014 17:44:39 +0100

changeset 6971

7426d8d76305

parent 4037

da91efe96a93

child 6876

710a3c8b516e

permissions

-rw-r--r--

8034761: Remove the do_code_roots parameter from process_strong_roots
Reviewed-by: tschatzl, mgerdin, jmasa

duke@435	1	/*
coleenp@4037	2	* Copyright (c) 2002, 2012, Oracle and/or its affiliates. All rights reserved.
duke@435	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435	4	*
duke@435	5	* This code is free software; you can redistribute it and/or modify it
duke@435	6	* under the terms of the GNU General Public License version 2 only, as
duke@435	7	* published by the Free Software Foundation.
duke@435	8	*
duke@435	9	* This code is distributed in the hope that it will be useful, but WITHOUT
duke@435	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
duke@435	12	* version 2 for more details (a copy is included in the LICENSE file that
duke@435	13	* accompanied this code).
duke@435	14	*
duke@435	15	* You should have received a copy of the GNU General Public License version
duke@435	16	* 2 along with this work; if not, write to the Free Software Foundation,
duke@435	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435	18	*
trims@1907	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
trims@1907	20	* or visit www.oracle.com if you need additional information or have any
trims@1907	21	* questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
stefank@2314	25	#ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP
stefank@2314	26	#define SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP
stefank@2314	27
stefank@2314	28	#include "gc_implementation/shared/generationCounters.hpp"
stefank@2314	29	#include "memory/space.inline.hpp"
stefank@2314	30	#include "runtime/perfData.hpp"
stefank@2314	31
duke@435	32	// A CSpaceCounters is a holder class for performance counters
duke@435	33	// that track a space;
duke@435	34
zgu@3900	35	class CSpaceCounters: public CHeapObj<mtGC> {
duke@435	36	friend class VMStructs;
duke@435	37
duke@435	38	private:
duke@435	39	PerfVariable* _capacity;
duke@435	40	PerfVariable* _used;
coleenp@4037	41	PerfVariable* _max_capacity;
duke@435	42
duke@435	43	// Constant PerfData types don't need to retain a reference.
duke@435	44	// However, it's a good idea to document them here.
duke@435	45	// PerfConstant* _size;
duke@435	46
duke@435	47	ContiguousSpace* _space;
duke@435	48	char* _name_space;
duke@435	49
duke@435	50	public:
duke@435	51
duke@435	52	CSpaceCounters(const char* name, int ordinal, size_t max_size,
duke@435	53	ContiguousSpace* s, GenerationCounters* gc);
duke@435	54
duke@435	55	~CSpaceCounters() {
zgu@3900	56	if (_name_space != NULL) FREE_C_HEAP_ARRAY(char, _name_space, mtInternal);
duke@435	57	}
duke@435	58
coleenp@4037	59	virtual inline void update_capacity() {
duke@435	60	_capacity->set_value(_space->capacity());
duke@435	61	}
duke@435	62
coleenp@4037	63	virtual inline void update_used() {
duke@435	64	_used->set_value(_space->used());
duke@435	65	}
duke@435	66
coleenp@4037	67	virtual inline void update_all() {
duke@435	68	update_used();
duke@435	69	update_capacity();
duke@435	70	}
duke@435	71
duke@435	72	const char* name_space() const { return _name_space; }
duke@435	73	};
duke@435	74
duke@435	75	class ContiguousSpaceUsedHelper : public PerfLongSampleHelper {
duke@435	76	private:
duke@435	77	ContiguousSpace* _space;
duke@435	78
duke@435	79	public:
duke@435	80	ContiguousSpaceUsedHelper(ContiguousSpace* space) : _space(space) { }
duke@435	81
duke@435	82	inline jlong take_sample() {
duke@435	83	return _space->used();
duke@435	84	}
duke@435	85	};
stefank@2314	86
stefank@2314	87	#endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_CSPACECOUNTERS_HPP