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src/share/vm/services/memoryService.hpp@f6f3eef8a521 (annotated)

src/share/vm/services/memoryService.hpp

Fri, 30 Jul 2010 22:43:50 +0100

author

kevinw

date

Fri, 30 Jul 2010 22:43:50 +0100

changeset 2058

f6f3eef8a521

parent 1907

c18cbe5936b8

child 2314

f95d63e2154a

permissions

-rw-r--r--

6581734: CMS Old Gen's collection usage is zero after GC which is incorrect
Summary: Management code enabled for use by a concurrent collector.
Reviewed-by: mchung, ysr

duke@435	1	/*
trims@1907	2	* Copyright (c) 2003, 2006, 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
duke@435	25	// Forward declaration
duke@435	26	class MemoryPool;
duke@435	27	class MemoryManager;
duke@435	28	class GCMemoryManager;
duke@435	29	class CollectedHeap;
duke@435	30	class Generation;
duke@435	31	class DefNewGeneration;
duke@435	32	class PSYoungGen;
duke@435	33	class PSOldGen;
duke@435	34	class PSPermGen;
duke@435	35	class CodeHeap;
duke@435	36	class ContiguousSpace;
duke@435	37	class CompactibleFreeListSpace;
duke@435	38	class PermanentGenerationSpec;
duke@435	39	class GenCollectedHeap;
duke@435	40	class ParallelScavengeHeap;
duke@435	41	class CompactingPermGenGen;
duke@435	42	class CMSPermGenGen;
tonyp@1524	43	class G1CollectedHeap;
duke@435	44
duke@435	45	// VM Monitoring and Management Support
duke@435	46
duke@435	47	class MemoryService : public AllStatic {
duke@435	48	private:
duke@435	49	enum {
duke@435	50	init_pools_list_size = 10,
duke@435	51	init_managers_list_size = 5
duke@435	52	};
duke@435	53
duke@435	54	// index for minor and major generations
duke@435	55	enum {
duke@435	56	minor = 0,
duke@435	57	major = 1,
duke@435	58	n_gens = 2
duke@435	59	};
duke@435	60
duke@435	61	static GrowableArray<MemoryPool*>* _pools_list;
duke@435	62	static GrowableArray<MemoryManager*>* _managers_list;
duke@435	63
duke@435	64	// memory managers for minor and major GC statistics
duke@435	65	static GCMemoryManager* _major_gc_manager;
duke@435	66	static GCMemoryManager* _minor_gc_manager;
duke@435	67
duke@435	68	// Code heap memory pool
duke@435	69	static MemoryPool* _code_heap_pool;
duke@435	70
duke@435	71	static void add_generation_memory_pool(Generation* gen,
duke@435	72	MemoryManager* major_mgr,
duke@435	73	MemoryManager* minor_mgr);
duke@435	74	static void add_generation_memory_pool(Generation* gen,
duke@435	75	MemoryManager* major_mgr) {
duke@435	76	add_generation_memory_pool(gen, major_mgr, NULL);
duke@435	77	}
duke@435	78
duke@435	79	static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen,
duke@435	80	MemoryManager* mgr);
duke@435	81	static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen,
duke@435	82	MemoryManager* mgr);
duke@435	83
duke@435	84	static void add_psYoung_memory_pool(PSYoungGen* gen,
duke@435	85	MemoryManager* major_mgr,
duke@435	86	MemoryManager* minor_mgr);
duke@435	87	static void add_psOld_memory_pool(PSOldGen* gen,
duke@435	88	MemoryManager* mgr);
duke@435	89	static void add_psPerm_memory_pool(PSPermGen* perm,
duke@435	90	MemoryManager* mgr);
duke@435	91
tonyp@1524	92	static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
tonyp@1524	93	MemoryManager* major_mgr,
tonyp@1524	94	MemoryManager* minor_mgr);
tonyp@1524	95	static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
tonyp@1524	96	MemoryManager* mgr);
tonyp@1524	97	static void add_g1PermGen_memory_pool(G1CollectedHeap* g1h,
tonyp@1524	98	MemoryManager* mgr);
duke@435	99
duke@435	100	static MemoryPool* add_space(ContiguousSpace* space,
duke@435	101	const char* name,
duke@435	102	bool is_heap,
duke@435	103	size_t max_size,
duke@435	104	bool support_usage_threshold);
duke@435	105	static MemoryPool* add_survivor_spaces(DefNewGeneration* gen,
duke@435	106	const char* name,
duke@435	107	bool is_heap,
duke@435	108	size_t max_size,
duke@435	109	bool support_usage_threshold);
duke@435	110	static MemoryPool* add_gen(Generation* gen,
duke@435	111	const char* name,
duke@435	112	bool is_heap,
duke@435	113	bool support_usage_threshold);
duke@435	114	static MemoryPool* add_cms_space(CompactibleFreeListSpace* space,
duke@435	115	const char* name,
duke@435	116	bool is_heap,
duke@435	117	size_t max_size,
duke@435	118	bool support_usage_threshold);
duke@435	119
duke@435	120	static void add_gen_collected_heap_info(GenCollectedHeap* heap);
duke@435	121	static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap);
tonyp@1524	122	static void add_g1_heap_info(G1CollectedHeap* g1h);
duke@435	123
duke@435	124	public:
duke@435	125	static void set_universe_heap(CollectedHeap* heap);
duke@435	126	static void add_code_heap_memory_pool(CodeHeap* heap);
duke@435	127
duke@435	128	static MemoryPool* get_memory_pool(instanceHandle pool);
duke@435	129	static MemoryManager* get_memory_manager(instanceHandle mgr);
duke@435	130
duke@435	131	static const int num_memory_pools() {
duke@435	132	return _pools_list->length();
duke@435	133	}
duke@435	134	static const int num_memory_managers() {
duke@435	135	return _managers_list->length();
duke@435	136	}
duke@435	137
duke@435	138	static MemoryPool* get_memory_pool(int index) {
duke@435	139	return _pools_list->at(index);
duke@435	140	}
duke@435	141
duke@435	142	static MemoryManager* get_memory_manager(int index) {
duke@435	143	return _managers_list->at(index);
duke@435	144	}
duke@435	145
duke@435	146	static void track_memory_usage();
duke@435	147	static void track_code_cache_memory_usage() {
duke@435	148	track_memory_pool_usage(_code_heap_pool);
duke@435	149	}
duke@435	150	static void track_memory_pool_usage(MemoryPool* pool);
duke@435	151
kevinw@2058	152	static void gc_begin(bool fullGC, bool recordGCBeginTime,
kevinw@2058	153	bool recordAccumulatedGCTime,
kevinw@2058	154	bool recordPreGCUsage, bool recordPeakUsage);
kevinw@2058	155	static void gc_end(bool fullGC, bool recordPostGCUsage,
kevinw@2058	156	bool recordAccumulatedGCTime,
kevinw@2058	157	bool recordGCEndTime, bool countCollection);
kevinw@2058	158
duke@435	159
duke@435	160	static void oops_do(OopClosure* f);
duke@435	161
duke@435	162	static bool get_verbose() { return PrintGC; }
duke@435	163	static bool set_verbose(bool verbose);
duke@435	164
duke@435	165	// Create an instance of java/lang/management/MemoryUsage
duke@435	166	static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS);
duke@435	167	};
duke@435	168
duke@435	169	class TraceMemoryManagerStats : public StackObj {
duke@435	170	private:
duke@435	171	bool _fullGC;
kevinw@2058	172	bool _recordGCBeginTime;
kevinw@2058	173	bool _recordPreGCUsage;
kevinw@2058	174	bool _recordPeakUsage;
kevinw@2058	175	bool _recordPostGCUsage;
kevinw@2058	176	bool _recordAccumulatedGCTime;
kevinw@2058	177	bool _recordGCEndTime;
kevinw@2058	178	bool _countCollection;
kevinw@2058	179
duke@435	180	public:
kevinw@2058	181	TraceMemoryManagerStats() {}
kevinw@2058	182	TraceMemoryManagerStats(bool fullGC,
kevinw@2058	183	bool recordGCBeginTime = true,
kevinw@2058	184	bool recordPreGCUsage = true,
kevinw@2058	185	bool recordPeakUsage = true,
kevinw@2058	186	bool recordPostGCUsage = true,
kevinw@2058	187	bool recordAccumulatedGCTime = true,
kevinw@2058	188	bool recordGCEndTime = true,
kevinw@2058	189	bool countCollection = true);
kevinw@2058	190
kevinw@2058	191	void initialize(bool fullGC,
kevinw@2058	192	bool recordGCBeginTime,
kevinw@2058	193	bool recordPreGCUsage,
kevinw@2058	194	bool recordPeakUsage,
kevinw@2058	195	bool recordPostGCUsage,
kevinw@2058	196	bool recordAccumulatedGCTime,
kevinw@2058	197	bool recordGCEndTime,
kevinw@2058	198	bool countCollection);
kevinw@2058	199
duke@435	200	TraceMemoryManagerStats(Generation::Name kind);
duke@435	201	~TraceMemoryManagerStats();
duke@435	202	};