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src/share/vm/services/management.hpp@710a3c8b516e (annotated)

src/share/vm/services/management.hpp

Tue, 08 Aug 2017 15:57:29 +0800

author

aoqi

date

Tue, 08 Aug 2017 15:57:29 +0800

changeset 6876

710a3c8b516e

parent 5047

31a4e55f8c9d

parent 0

f90c822e73f8

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2003, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0	4	*
aoqi@0	5	* This code is free software; you can redistribute it and/or modify it
aoqi@0	6	* under the terms of the GNU General Public License version 2 only, as
aoqi@0	7	* published by the Free Software Foundation.
aoqi@0	8	*
aoqi@0	9	* This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0	12	* version 2 for more details (a copy is included in the LICENSE file that
aoqi@0	13	* accompanied this code).
aoqi@0	14	*
aoqi@0	15	* You should have received a copy of the GNU General Public License version
aoqi@0	16	* 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0	18	*
aoqi@0	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0	20	* or visit www.oracle.com if you need additional information or have any
aoqi@0	21	* questions.
aoqi@0	22	*
aoqi@0	23	*/
aoqi@0	24
aoqi@0	25	#ifndef SHARE_VM_SERVICES_MANAGEMENT_HPP
aoqi@0	26	#define SHARE_VM_SERVICES_MANAGEMENT_HPP
aoqi@0	27
aoqi@0	28	#include "memory/allocation.hpp"
aoqi@0	29	#include "runtime/handles.hpp"
aoqi@0	30	#include "runtime/timer.hpp"
aoqi@0	31	#include "services/jmm.h"
aoqi@0	32
aoqi@0	33	class OopClosure;
aoqi@0	34	class ThreadSnapshot;
aoqi@0	35
aoqi@0	36	class Management : public AllStatic {
aoqi@0	37	private:
aoqi@0	38	static PerfVariable* _begin_vm_creation_time;
aoqi@0	39	static PerfVariable* _end_vm_creation_time;
aoqi@0	40	static PerfVariable* _vm_init_done_time;
aoqi@0	41	static jmmOptionalSupport _optional_support;
aoqi@0	42	static TimeStamp _stamp; // Timestamp since vm init done time
aoqi@0	43
aoqi@0	44	// Management klasses
aoqi@0	45	static Klass* _sensor_klass;
aoqi@0	46	static Klass* _threadInfo_klass;
aoqi@0	47	static Klass* _memoryUsage_klass;
aoqi@0	48	static Klass* _memoryPoolMXBean_klass;
aoqi@0	49	static Klass* _memoryManagerMXBean_klass;
aoqi@0	50	static Klass* _garbageCollectorMXBean_klass;
aoqi@0	51	static Klass* _managementFactory_klass;
aoqi@0	52	static Klass* _garbageCollectorImpl_klass;
aoqi@0	53	static Klass* _diagnosticCommandImpl_klass;
aoqi@0	54	static Klass* _managementFactoryHelper_klass;
aoqi@0	55	static Klass* _gcInfo_klass;
aoqi@0	56
aoqi@0	57	static Klass* load_and_initialize_klass(Symbol* sh, TRAPS);
aoqi@0	58
aoqi@0	59	public:
aoqi@0	60	static void init();
aoqi@0	61	static void initialize(TRAPS);
aoqi@0	62
aoqi@0	63	static jlong ticks_to_ms(jlong ticks) NOT_MANAGEMENT_RETURN_(0L);
aoqi@0	64	static jlong timestamp() NOT_MANAGEMENT_RETURN_(0L);
aoqi@0	65
aoqi@0	66	static void oops_do(OopClosure* f) NOT_MANAGEMENT_RETURN;
aoqi@0	67	static void* get_jmm_interface(int version);
aoqi@0	68	static void get_optional_support(jmmOptionalSupport* support);
aoqi@0	69
aoqi@0	70	static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array);
aoqi@0	71
aoqi@0	72	static void record_vm_startup_time(jlong begin, jlong duration)
aoqi@0	73	NOT_MANAGEMENT_RETURN;
aoqi@0	74	static void record_vm_init_completed() {
aoqi@0	75	// Initialize the timestamp to get the current time
aoqi@0	76	_vm_init_done_time->set_value(os::javaTimeMillis());
aoqi@0	77
aoqi@0	78	// Update the timestamp to the vm init done time
aoqi@0	79	_stamp.update();
aoqi@0	80	}
aoqi@0	81
aoqi@0	82	static jlong begin_vm_creation_time() {
aoqi@0	83	return _begin_vm_creation_time->get_value();
aoqi@0	84	}
aoqi@0	85	static jlong vm_init_done_time() {
aoqi@0	86	return _vm_init_done_time->get_value();
aoqi@0	87	}
aoqi@0	88
aoqi@0	89	// methods to return a Klass*.
aoqi@0	90	static Klass* java_lang_management_ThreadInfo_klass(TRAPS);
aoqi@0	91	static Klass* java_lang_management_MemoryUsage_klass(TRAPS)
aoqi@0	92	NOT_MANAGEMENT_RETURN_(NULL);
aoqi@0	93	static Klass* java_lang_management_MemoryPoolMXBean_klass(TRAPS);
aoqi@0	94	static Klass* java_lang_management_MemoryManagerMXBean_klass(TRAPS);
aoqi@0	95	static Klass* java_lang_management_GarbageCollectorMXBean_klass(TRAPS);
aoqi@0	96	static Klass* sun_management_Sensor_klass(TRAPS)
aoqi@0	97	NOT_MANAGEMENT_RETURN_(NULL);
aoqi@0	98	static Klass* sun_management_ManagementFactory_klass(TRAPS)
aoqi@0	99	NOT_MANAGEMENT_RETURN_(NULL);
aoqi@0	100	static Klass* sun_management_GarbageCollectorImpl_klass(TRAPS)
aoqi@0	101	NOT_MANAGEMENT_RETURN_(NULL);
aoqi@0	102	static Klass* com_sun_management_GcInfo_klass(TRAPS)
aoqi@0	103	NOT_MANAGEMENT_RETURN_(NULL);
aoqi@0	104	static Klass* sun_management_DiagnosticCommandImpl_klass(TRAPS)
aoqi@0	105	NOT_MANAGEMENT_RETURN_(NULL);
aoqi@0	106	static Klass* sun_management_ManagementFactoryHelper_klass(TRAPS)
aoqi@0	107	NOT_MANAGEMENT_RETURN_(NULL);
aoqi@0	108
aoqi@0	109	static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS);
aoqi@0	110	static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS);
aoqi@0	111	};
aoqi@0	112
aoqi@0	113	class TraceVmCreationTime : public StackObj {
aoqi@0	114	private:
aoqi@0	115	TimeStamp _timer;
aoqi@0	116	jlong _begin_time;
aoqi@0	117
aoqi@0	118	public:
aoqi@0	119	TraceVmCreationTime() {}
aoqi@0	120	~TraceVmCreationTime() {}
aoqi@0	121
aoqi@0	122	void start()
aoqi@0	123	{ _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
aoqi@0	124
aoqi@0	125	/**
aoqi@0	126	* Only call this if initialization completes successfully; it will
aoqi@0	127	* crash if PerfMemory_exit() has already been called (usually by
aoqi@0	128	* os::shutdown() when there was an initialization failure).
aoqi@0	129	*/
aoqi@0	130	void end()
aoqi@0	131	{ Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
aoqi@0	132
aoqi@0	133	};
aoqi@0	134
aoqi@0	135	#endif // SHARE_VM_SERVICES_MANAGEMENT_HPP