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src/share/vm/services/management.hpp@37f87013dfd8 (annotated)

src/share/vm/services/management.hpp

Thu, 05 Jun 2008 15:57:56 -0700

author

ysr

date

Thu, 05 Jun 2008 15:57:56 -0700

changeset 777

37f87013dfd8

parent 435

a61af66fc99e

child 1907

c18cbe5936b8

permissions

-rw-r--r--

6711316: Open source the Garbage-First garbage collector
Summary: First mercurial integration of the code for the Garbage-First garbage collector.
Reviewed-by: apetrusenko, iveresov, jmasa, sgoldman, tonyp, ysr

duke@435	1	/*
duke@435	2	* Copyright 2003-2005 Sun Microsystems, Inc. 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	*
duke@435	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435	20	* CA 95054 USA or visit www.sun.com if you need additional information or
duke@435	21	* have any questions.
duke@435	22	*
duke@435	23	*/
duke@435	24
duke@435	25	class OopClosure;
duke@435	26	class ThreadSnapshot;
duke@435	27
duke@435	28	class Management : public AllStatic {
duke@435	29	private:
duke@435	30	static PerfVariable* _begin_vm_creation_time;
duke@435	31	static PerfVariable* _end_vm_creation_time;
duke@435	32	static PerfVariable* _vm_init_done_time;
duke@435	33	static jmmOptionalSupport _optional_support;
duke@435	34	static TimeStamp _stamp; // Timestamp since vm init done time
duke@435	35
duke@435	36	// Management klasses
duke@435	37	static klassOop _sensor_klass;
duke@435	38	static klassOop _threadInfo_klass;
duke@435	39	static klassOop _memoryUsage_klass;
duke@435	40	static klassOop _memoryPoolMXBean_klass;
duke@435	41	static klassOop _memoryManagerMXBean_klass;
duke@435	42	static klassOop _garbageCollectorMXBean_klass;
duke@435	43	static klassOop _managementFactory_klass;
duke@435	44
duke@435	45	static klassOop load_and_initialize_klass(symbolHandle sh, TRAPS);
duke@435	46
duke@435	47	public:
duke@435	48	static void init();
duke@435	49	static void initialize(TRAPS);
duke@435	50
duke@435	51	static jlong ticks_to_ms(jlong ticks);
duke@435	52	static jlong timestamp();
duke@435	53
duke@435	54	static void oops_do(OopClosure* f);
duke@435	55	static void* get_jmm_interface(int version);
duke@435	56	static void get_optional_support(jmmOptionalSupport* support);
duke@435	57
duke@435	58	static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array);
duke@435	59
duke@435	60	static void record_vm_startup_time(jlong begin, jlong duration);
duke@435	61	static void record_vm_init_completed() {
duke@435	62	// Initialize the timestamp to get the current time
duke@435	63	_vm_init_done_time->set_value(os::javaTimeMillis());
duke@435	64
duke@435	65	// Update the timestamp to the vm init done time
duke@435	66	_stamp.update();
duke@435	67	}
duke@435	68
duke@435	69	static jlong vm_init_done_time() {
duke@435	70	return _vm_init_done_time->get_value();
duke@435	71	}
duke@435	72
duke@435	73	// methods to return a klassOop.
duke@435	74	static klassOop java_lang_management_ThreadInfo_klass(TRAPS);
duke@435	75	static klassOop java_lang_management_MemoryUsage_klass(TRAPS);
duke@435	76	static klassOop java_lang_management_MemoryPoolMXBean_klass(TRAPS);
duke@435	77	static klassOop java_lang_management_MemoryManagerMXBean_klass(TRAPS);
duke@435	78	static klassOop java_lang_management_GarbageCollectorMXBean_klass(TRAPS);
duke@435	79	static klassOop sun_management_Sensor_klass(TRAPS);
duke@435	80	static klassOop sun_management_ManagementFactory_klass(TRAPS);
duke@435	81
duke@435	82	static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS);
duke@435	83	static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS);
duke@435	84	};
duke@435	85
duke@435	86	class TraceVmCreationTime : public StackObj {
duke@435	87	private:
duke@435	88	TimeStamp _timer;
duke@435	89	jlong _begin_time;
duke@435	90
duke@435	91	public:
duke@435	92	TraceVmCreationTime() {}
duke@435	93	~TraceVmCreationTime() {}
duke@435	94
duke@435	95	void start()
duke@435	96	{ _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
duke@435	97
duke@435	98	/**
duke@435	99	* Only call this if initialization completes successfully; it will
duke@435	100	* crash if PerfMemory_exit() has already been called (usually by
duke@435	101	* os::shutdown() when there was an initialization failure).
duke@435	102	*/
duke@435	103	void end()
duke@435	104	{ Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
duke@435	105
duke@435	106	};