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src/share/vm/services/memoryService.hpp@a6414751d537 (annotated)

src/share/vm/services/memoryService.hpp

Mon, 07 Oct 2013 15:51:17 +0200

author

stefank

date

Mon, 07 Oct 2013 15:51:17 +0200

changeset 5864

a6414751d537

parent 5312

71963b3f802a

child 6198

55fb97c4c58d

permissions

-rw-r--r--

8025996: Track metaspace usage when metaspace is expanded
Reviewed-by: coleenp, ehelin

duke@435	1	/*
coleenp@4037	2	* Copyright (c) 2003, 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_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"
fparain@2888	32	#include "gc_interface/gcCause.hpp"
stefank@2314	33
duke@435	34	// Forward declaration
duke@435	35	class MemoryPool;
duke@435	36	class MemoryManager;
duke@435	37	class GCMemoryManager;
duke@435	38	class CollectedHeap;
duke@435	39	class Generation;
duke@435	40	class DefNewGeneration;
duke@435	41	class PSYoungGen;
duke@435	42	class PSOldGen;
duke@435	43	class CodeHeap;
duke@435	44	class ContiguousSpace;
duke@435	45	class CompactibleFreeListSpace;
duke@435	46	class GenCollectedHeap;
duke@435	47	class ParallelScavengeHeap;
tonyp@1524	48	class G1CollectedHeap;
duke@435	49
duke@435	50	// VM Monitoring and Management Support
duke@435	51
duke@435	52	class MemoryService : public AllStatic {
duke@435	53	private:
duke@435	54	enum {
duke@435	55	init_pools_list_size = 10,
duke@435	56	init_managers_list_size = 5
duke@435	57	};
duke@435	58
duke@435	59	// index for minor and major generations
duke@435	60	enum {
duke@435	61	minor = 0,
duke@435	62	major = 1,
duke@435	63	n_gens = 2
duke@435	64	};
duke@435	65
duke@435	66	static GrowableArray<MemoryPool*>* _pools_list;
duke@435	67	static GrowableArray<MemoryManager*>* _managers_list;
duke@435	68
duke@435	69	// memory managers for minor and major GC statistics
duke@435	70	static GCMemoryManager* _major_gc_manager;
duke@435	71	static GCMemoryManager* _minor_gc_manager;
duke@435	72
duke@435	73	// Code heap memory pool
duke@435	74	static MemoryPool* _code_heap_pool;
duke@435	75
ehelin@5312	76	static MemoryPool* _metaspace_pool;
ehelin@5312	77	static MemoryPool* _compressed_class_pool;
ehelin@5312	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
duke@435	88	static void add_psYoung_memory_pool(PSYoungGen* gen,
duke@435	89	MemoryManager* major_mgr,
duke@435	90	MemoryManager* minor_mgr);
duke@435	91	static void add_psOld_memory_pool(PSOldGen* gen,
duke@435	92	MemoryManager* mgr);
duke@435	93
tonyp@1524	94	static void add_g1YoungGen_memory_pool(G1CollectedHeap* g1h,
tonyp@1524	95	MemoryManager* major_mgr,
tonyp@1524	96	MemoryManager* minor_mgr);
tonyp@1524	97	static void add_g1OldGen_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);
ehelin@5312	127	static void add_metaspace_memory_pools();
duke@435	128
duke@435	129	static MemoryPool* get_memory_pool(instanceHandle pool);
duke@435	130	static MemoryManager* get_memory_manager(instanceHandle mgr);
duke@435	131
duke@435	132	static const int num_memory_pools() {
duke@435	133	return _pools_list->length();
duke@435	134	}
duke@435	135	static const int num_memory_managers() {
duke@435	136	return _managers_list->length();
duke@435	137	}
duke@435	138
duke@435	139	static MemoryPool* get_memory_pool(int index) {
duke@435	140	return _pools_list->at(index);
duke@435	141	}
duke@435	142
duke@435	143	static MemoryManager* get_memory_manager(int index) {
duke@435	144	return _managers_list->at(index);
duke@435	145	}
duke@435	146
duke@435	147	static void track_memory_usage();
duke@435	148	static void track_code_cache_memory_usage() {
duke@435	149	track_memory_pool_usage(_code_heap_pool);
duke@435	150	}
stefank@5864	151	static void track_metaspace_memory_usage() {
stefank@5864	152	track_memory_pool_usage(_metaspace_pool);
stefank@5864	153	}
stefank@5864	154	static void track_compressed_class_memory_usage() {
stefank@5864	155	track_memory_pool_usage(_compressed_class_pool);
stefank@5864	156	}
duke@435	157	static void track_memory_pool_usage(MemoryPool* pool);
duke@435	158
kevinw@2058	159	static void gc_begin(bool fullGC, bool recordGCBeginTime,
kevinw@2058	160	bool recordAccumulatedGCTime,
kevinw@2058	161	bool recordPreGCUsage, bool recordPeakUsage);
kevinw@2058	162	static void gc_end(bool fullGC, bool recordPostGCUsage,
kevinw@2058	163	bool recordAccumulatedGCTime,
fparain@2888	164	bool recordGCEndTime, bool countCollection,
fparain@2888	165	GCCause::Cause cause);
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);
fparain@2888	175
fparain@2888	176	static const GCMemoryManager* get_minor_gc_manager() {
fparain@2888	177	return _minor_gc_manager;
fparain@2888	178	}
fparain@2888	179
fparain@2888	180	static const GCMemoryManager* get_major_gc_manager() {
fparain@2888	181	return _major_gc_manager;
fparain@2888	182	}
duke@435	183	};
duke@435	184
duke@435	185	class TraceMemoryManagerStats : public StackObj {
duke@435	186	private:
duke@435	187	bool _fullGC;
kevinw@2058	188	bool _recordGCBeginTime;
kevinw@2058	189	bool _recordPreGCUsage;
kevinw@2058	190	bool _recordPeakUsage;
kevinw@2058	191	bool _recordPostGCUsage;
kevinw@2058	192	bool _recordAccumulatedGCTime;
kevinw@2058	193	bool _recordGCEndTime;
kevinw@2058	194	bool _countCollection;
fparain@2888	195	GCCause::Cause _cause;
duke@435	196	public:
kevinw@2058	197	TraceMemoryManagerStats() {}
kevinw@2058	198	TraceMemoryManagerStats(bool fullGC,
fparain@2888	199	GCCause::Cause cause,
kevinw@2058	200	bool recordGCBeginTime = true,
kevinw@2058	201	bool recordPreGCUsage = true,
kevinw@2058	202	bool recordPeakUsage = true,
kevinw@2058	203	bool recordPostGCUsage = true,
kevinw@2058	204	bool recordAccumulatedGCTime = true,
kevinw@2058	205	bool recordGCEndTime = true,
kevinw@2058	206	bool countCollection = true);
kevinw@2058	207
kevinw@2058	208	void initialize(bool fullGC,
fparain@2888	209	GCCause::Cause cause,
kevinw@2058	210	bool recordGCBeginTime,
kevinw@2058	211	bool recordPreGCUsage,
kevinw@2058	212	bool recordPeakUsage,
kevinw@2058	213	bool recordPostGCUsage,
kevinw@2058	214	bool recordAccumulatedGCTime,
kevinw@2058	215	bool recordGCEndTime,
kevinw@2058	216	bool countCollection);
kevinw@2058	217
fparain@2888	218	TraceMemoryManagerStats(Generation::Name kind, GCCause::Cause cause);
duke@435	219	~TraceMemoryManagerStats();
duke@435	220	};
stefank@2314	221
stefank@2314	222	#endif // SHARE_VM_SERVICES_MEMORYSERVICE_HPP