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src/share/vm/services/memoryService.hpp@bf8517f4e4d0 (annotated)

src/share/vm/services/memoryService.hpp

Wed, 02 Feb 2011 14:38:01 -0500

author

kamg

date

Wed, 02 Feb 2011 14:38:01 -0500

changeset 2511

bf8517f4e4d0

parent 2314

f95d63e2154a

child 2888

78542e2b5e35

permissions

-rw-r--r--

6766644: Redefinition of compiled method fails with assertion "Can not load classes with the Compiler thread"
Summary: Defer posting events from the compiler thread: use service thread
Reviewed-by: coleenp, dholmes, never, dcubed

duke@435	1	/*
stefank@2314	2	* Copyright (c) 2003, 2010, 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_SERVICES_MEMORYSERVICE_HPP
stefank@2314	26	#define SHARE_VM_SERVICES_MEMORYSERVICE_HPP
stefank@2314	27
stefank@2314	28	#include "memory/allocation.hpp"
stefank@2314	29	#include "memory/generation.hpp"
stefank@2314	30	#include "runtime/handles.hpp"
stefank@2314	31	#include "services/memoryUsage.hpp"
stefank@2314	32
duke@435	33	// Forward declaration
duke@435	34	class MemoryPool;
duke@435	35	class MemoryManager;
duke@435	36	class GCMemoryManager;
duke@435	37	class CollectedHeap;
duke@435	38	class Generation;
duke@435	39	class DefNewGeneration;
duke@435	40	class PSYoungGen;
duke@435	41	class PSOldGen;
duke@435	42	class PSPermGen;
duke@435	43	class CodeHeap;
duke@435	44	class ContiguousSpace;
duke@435	45	class CompactibleFreeListSpace;
duke@435	46	class PermanentGenerationSpec;
duke@435	47	class GenCollectedHeap;
duke@435	48	class ParallelScavengeHeap;
duke@435	49	class CompactingPermGenGen;
duke@435	50	class CMSPermGenGen;
tonyp@1524	51	class G1CollectedHeap;
duke@435	52
duke@435	53	// VM Monitoring and Management Support
duke@435	54
duke@435	55	class MemoryService : public AllStatic {
duke@435	56	private:
duke@435	57	enum {
duke@435	58	init_pools_list_size = 10,
duke@435	59	init_managers_list_size = 5
duke@435	60	};
duke@435	61
duke@435	62	// index for minor and major generations
duke@435	63	enum {
duke@435	64	minor = 0,
duke@435	65	major = 1,
duke@435	66	n_gens = 2
duke@435	67	};
duke@435	68
duke@435	69	static GrowableArray<MemoryPool*>* _pools_list;
duke@435	70	static GrowableArray<MemoryManager*>* _managers_list;
duke@435	71
duke@435	72	// memory managers for minor and major GC statistics
duke@435	73	static GCMemoryManager* _major_gc_manager;
duke@435	74	static GCMemoryManager* _minor_gc_manager;
duke@435	75
duke@435	76	// Code heap memory pool
duke@435	77	static MemoryPool* _code_heap_pool;
duke@435	78
duke@435	79	static void add_generation_memory_pool(Generation* gen,
duke@435	80	MemoryManager* major_mgr,
duke@435	81	MemoryManager* minor_mgr);
duke@435	82	static void add_generation_memory_pool(Generation* gen,
duke@435	83	MemoryManager* major_mgr) {
duke@435	84	add_generation_memory_pool(gen, major_mgr, NULL);
duke@435	85	}
duke@435	86
duke@435	87	static void add_compact_perm_gen_memory_pool(CompactingPermGenGen* perm_gen,
duke@435	88	MemoryManager* mgr);
duke@435	89	static void add_cms_perm_gen_memory_pool(CMSPermGenGen* perm_gen,
duke@435	90	MemoryManager* mgr);
duke@435	91
duke@435	92	static void add_psYoung_memory_pool(PSYoungGen* gen,
duke@435	93	MemoryManager* major_mgr,
duke@435	94	MemoryManager* minor_mgr);
duke@435	95	static void add_psOld_memory_pool(PSOldGen* gen,
duke@435	96	MemoryManager* mgr);
duke@435	97	static void add_psPerm_memory_pool(PSPermGen* perm,
duke@435	98	MemoryManager* mgr);
duke@435	99
tonyp@1524	100	static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
tonyp@1524	101	MemoryManager* major_mgr,
tonyp@1524	102	MemoryManager* minor_mgr);
tonyp@1524	103	static void add_g1OldGen_memory_pool(G1CollectedHeap* g1h,
tonyp@1524	104	MemoryManager* mgr);
tonyp@1524	105	static void add_g1PermGen_memory_pool(G1CollectedHeap* g1h,
tonyp@1524	106	MemoryManager* mgr);
duke@435	107
duke@435	108	static MemoryPool* add_space(ContiguousSpace* space,
duke@435	109	const char* name,
duke@435	110	bool is_heap,
duke@435	111	size_t max_size,
duke@435	112	bool support_usage_threshold);
duke@435	113	static MemoryPool* add_survivor_spaces(DefNewGeneration* gen,
duke@435	114	const char* name,
duke@435	115	bool is_heap,
duke@435	116	size_t max_size,
duke@435	117	bool support_usage_threshold);
duke@435	118	static MemoryPool* add_gen(Generation* gen,
duke@435	119	const char* name,
duke@435	120	bool is_heap,
duke@435	121	bool support_usage_threshold);
duke@435	122	static MemoryPool* add_cms_space(CompactibleFreeListSpace* space,
duke@435	123	const char* name,
duke@435	124	bool is_heap,
duke@435	125	size_t max_size,
duke@435	126	bool support_usage_threshold);
duke@435	127
duke@435	128	static void add_gen_collected_heap_info(GenCollectedHeap* heap);
duke@435	129	static void add_parallel_scavenge_heap_info(ParallelScavengeHeap* heap);
tonyp@1524	130	static void add_g1_heap_info(G1CollectedHeap* g1h);
duke@435	131
duke@435	132	public:
duke@435	133	static void set_universe_heap(CollectedHeap* heap);
duke@435	134	static void add_code_heap_memory_pool(CodeHeap* heap);
duke@435	135
duke@435	136	static MemoryPool* get_memory_pool(instanceHandle pool);
duke@435	137	static MemoryManager* get_memory_manager(instanceHandle mgr);
duke@435	138
duke@435	139	static const int num_memory_pools() {
duke@435	140	return _pools_list->length();
duke@435	141	}
duke@435	142	static const int num_memory_managers() {
duke@435	143	return _managers_list->length();
duke@435	144	}
duke@435	145
duke@435	146	static MemoryPool* get_memory_pool(int index) {
duke@435	147	return _pools_list->at(index);
duke@435	148	}
duke@435	149
duke@435	150	static MemoryManager* get_memory_manager(int index) {
duke@435	151	return _managers_list->at(index);
duke@435	152	}
duke@435	153
duke@435	154	static void track_memory_usage();
duke@435	155	static void track_code_cache_memory_usage() {
duke@435	156	track_memory_pool_usage(_code_heap_pool);
duke@435	157	}
duke@435	158	static void track_memory_pool_usage(MemoryPool* pool);
duke@435	159
kevinw@2058	160	static void gc_begin(bool fullGC, bool recordGCBeginTime,
kevinw@2058	161	bool recordAccumulatedGCTime,
kevinw@2058	162	bool recordPreGCUsage, bool recordPeakUsage);
kevinw@2058	163	static void gc_end(bool fullGC, bool recordPostGCUsage,
kevinw@2058	164	bool recordAccumulatedGCTime,
kevinw@2058	165	bool recordGCEndTime, bool countCollection);
kevinw@2058	166
duke@435	167
duke@435	168	static void oops_do(OopClosure* f);
duke@435	169
duke@435	170	static bool get_verbose() { return PrintGC; }
duke@435	171	static bool set_verbose(bool verbose);
duke@435	172
duke@435	173	// Create an instance of java/lang/management/MemoryUsage
duke@435	174	static Handle create_MemoryUsage_obj(MemoryUsage usage, TRAPS);
duke@435	175	};
duke@435	176
duke@435	177	class TraceMemoryManagerStats : public StackObj {
duke@435	178	private:
duke@435	179	bool _fullGC;
kevinw@2058	180	bool _recordGCBeginTime;
kevinw@2058	181	bool _recordPreGCUsage;
kevinw@2058	182	bool _recordPeakUsage;
kevinw@2058	183	bool _recordPostGCUsage;
kevinw@2058	184	bool _recordAccumulatedGCTime;
kevinw@2058	185	bool _recordGCEndTime;
kevinw@2058	186	bool _countCollection;
kevinw@2058	187
duke@435	188	public:
kevinw@2058	189	TraceMemoryManagerStats() {}
kevinw@2058	190	TraceMemoryManagerStats(bool fullGC,
kevinw@2058	191	bool recordGCBeginTime = true,
kevinw@2058	192	bool recordPreGCUsage = true,
kevinw@2058	193	bool recordPeakUsage = true,
kevinw@2058	194	bool recordPostGCUsage = true,
kevinw@2058	195	bool recordAccumulatedGCTime = true,
kevinw@2058	196	bool recordGCEndTime = true,
kevinw@2058	197	bool countCollection = true);
kevinw@2058	198
kevinw@2058	199	void initialize(bool fullGC,
kevinw@2058	200	bool recordGCBeginTime,
kevinw@2058	201	bool recordPreGCUsage,
kevinw@2058	202	bool recordPeakUsage,
kevinw@2058	203	bool recordPostGCUsage,
kevinw@2058	204	bool recordAccumulatedGCTime,
kevinw@2058	205	bool recordGCEndTime,
kevinw@2058	206	bool countCollection);
kevinw@2058	207
duke@435	208	TraceMemoryManagerStats(Generation::Name kind);
duke@435	209	~TraceMemoryManagerStats();
duke@435	210	};
stefank@2314	211
stefank@2314	212	#endif // SHARE_VM_SERVICES_MEMORYSERVICE_HPP