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src/share/vm/services/management.hpp@f42c10a3d4b1 (annotated)

src/share/vm/services/management.hpp

Mon, 31 Mar 2014 13:09:35 -0700

author

minqi

date

Mon, 31 Mar 2014 13:09:35 -0700

changeset 6535

f42c10a3d4b1

parent 5047

31a4e55f8c9d

child 6876

710a3c8b516e

permissions

-rw-r--r--

7090324: gclog rotation via external tool
Summary: GC log rotation can be set via java command line, but customer sometime need to sync with OS level rotation setting.
Reviewed-by: sla, minqi, ehelin
Contributed-by: suenaga.yasumasa@lab.ntt.co.jp

duke@435	1	/*
fparain@5047	2	* Copyright (c) 2003, 2013, 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_MANAGEMENT_HPP
stefank@2314	26	#define SHARE_VM_SERVICES_MANAGEMENT_HPP
stefank@2314	27
stefank@2314	28	#include "memory/allocation.hpp"
stefank@2314	29	#include "runtime/handles.hpp"
stefank@2314	30	#include "runtime/timer.hpp"
stefank@2314	31	#include "services/jmm.h"
stefank@2314	32
duke@435	33	class OopClosure;
duke@435	34	class ThreadSnapshot;
duke@435	35
duke@435	36	class Management : public AllStatic {
duke@435	37	private:
duke@435	38	static PerfVariable* _begin_vm_creation_time;
duke@435	39	static PerfVariable* _end_vm_creation_time;
duke@435	40	static PerfVariable* _vm_init_done_time;
duke@435	41	static jmmOptionalSupport _optional_support;
duke@435	42	static TimeStamp _stamp; // Timestamp since vm init done time
duke@435	43
duke@435	44	// Management klasses
coleenp@4037	45	static Klass* _sensor_klass;
coleenp@4037	46	static Klass* _threadInfo_klass;
coleenp@4037	47	static Klass* _memoryUsage_klass;
coleenp@4037	48	static Klass* _memoryPoolMXBean_klass;
coleenp@4037	49	static Klass* _memoryManagerMXBean_klass;
coleenp@4037	50	static Klass* _garbageCollectorMXBean_klass;
coleenp@4037	51	static Klass* _managementFactory_klass;
coleenp@4037	52	static Klass* _garbageCollectorImpl_klass;
fparain@5047	53	static Klass* _diagnosticCommandImpl_klass;
fparain@5047	54	static Klass* _managementFactoryHelper_klass;
coleenp@4037	55	static Klass* _gcInfo_klass;
duke@435	56
coleenp@4037	57	static Klass* load_and_initialize_klass(Symbol* sh, TRAPS);
duke@435	58
duke@435	59	public:
duke@435	60	static void init();
duke@435	61	static void initialize(TRAPS);
duke@435	62
jprovino@4165	63	static jlong ticks_to_ms(jlong ticks) NOT_MANAGEMENT_RETURN_(0L);
jprovino@4165	64	static jlong timestamp() NOT_MANAGEMENT_RETURN_(0L);
duke@435	65
jprovino@4165	66	static void oops_do(OopClosure* f) NOT_MANAGEMENT_RETURN;
duke@435	67	static void* get_jmm_interface(int version);
duke@435	68	static void get_optional_support(jmmOptionalSupport* support);
duke@435	69
duke@435	70	static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array);
duke@435	71
jprovino@4165	72	static void record_vm_startup_time(jlong begin, jlong duration)
jprovino@4165	73	NOT_MANAGEMENT_RETURN;
duke@435	74	static void record_vm_init_completed() {
duke@435	75	// Initialize the timestamp to get the current time
duke@435	76	_vm_init_done_time->set_value(os::javaTimeMillis());
duke@435	77
duke@435	78	// Update the timestamp to the vm init done time
duke@435	79	_stamp.update();
duke@435	80	}
duke@435	81
phh@3382	82	static jlong begin_vm_creation_time() {
phh@3382	83	return _begin_vm_creation_time->get_value();
phh@3382	84	}
duke@435	85	static jlong vm_init_done_time() {
duke@435	86	return _vm_init_done_time->get_value();
duke@435	87	}
duke@435	88
coleenp@4037	89	// methods to return a Klass*.
coleenp@4037	90	static Klass* java_lang_management_ThreadInfo_klass(TRAPS);
jprovino@4165	91	static Klass* java_lang_management_MemoryUsage_klass(TRAPS)
jprovino@4165	92	NOT_MANAGEMENT_RETURN_(NULL);
coleenp@4037	93	static Klass* java_lang_management_MemoryPoolMXBean_klass(TRAPS);
coleenp@4037	94	static Klass* java_lang_management_MemoryManagerMXBean_klass(TRAPS);
coleenp@4037	95	static Klass* java_lang_management_GarbageCollectorMXBean_klass(TRAPS);
jprovino@4165	96	static Klass* sun_management_Sensor_klass(TRAPS)
jprovino@4165	97	NOT_MANAGEMENT_RETURN_(NULL);
jprovino@4165	98	static Klass* sun_management_ManagementFactory_klass(TRAPS)
jprovino@4165	99	NOT_MANAGEMENT_RETURN_(NULL);
jprovino@4165	100	static Klass* sun_management_GarbageCollectorImpl_klass(TRAPS)
jprovino@4165	101	NOT_MANAGEMENT_RETURN_(NULL);
jprovino@4165	102	static Klass* com_sun_management_GcInfo_klass(TRAPS)
jprovino@4165	103	NOT_MANAGEMENT_RETURN_(NULL);
fparain@5047	104	static Klass* sun_management_DiagnosticCommandImpl_klass(TRAPS)
fparain@5047	105	NOT_MANAGEMENT_RETURN_(NULL);
fparain@5047	106	static Klass* sun_management_ManagementFactoryHelper_klass(TRAPS)
fparain@5047	107	NOT_MANAGEMENT_RETURN_(NULL);
duke@435	108
duke@435	109	static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS);
duke@435	110	static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS);
duke@435	111	};
duke@435	112
duke@435	113	class TraceVmCreationTime : public StackObj {
duke@435	114	private:
duke@435	115	TimeStamp _timer;
duke@435	116	jlong _begin_time;
duke@435	117
duke@435	118	public:
duke@435	119	TraceVmCreationTime() {}
duke@435	120	~TraceVmCreationTime() {}
duke@435	121
duke@435	122	void start()
duke@435	123	{ _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
duke@435	124
duke@435	125	/**
duke@435	126	* Only call this if initialization completes successfully; it will
duke@435	127	* crash if PerfMemory_exit() has already been called (usually by
duke@435	128	* os::shutdown() when there was an initialization failure).
duke@435	129	*/
duke@435	130	void end()
duke@435	131	{ Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
duke@435	132
duke@435	133	};
stefank@2314	134
stefank@2314	135	#endif // SHARE_VM_SERVICES_MANAGEMENT_HPP