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src/share/vm/services/management.hpp@1d7922586cf6 (annotated)

src/share/vm/services/management.hpp

Tue, 24 Jul 2012 10:51:00 -0700

author

twisti

date

Tue, 24 Jul 2012 10:51:00 -0700

changeset 3969

1d7922586cf6

parent 3382

2e0ef19fc891

child 4037

da91efe96a93

permissions

-rw-r--r--

7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>

duke@435	1	/*
trims@2708	2	* Copyright (c) 2003, 2011, 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
duke@435	45	static klassOop _sensor_klass;
duke@435	46	static klassOop _threadInfo_klass;
duke@435	47	static klassOop _memoryUsage_klass;
duke@435	48	static klassOop _memoryPoolMXBean_klass;
duke@435	49	static klassOop _memoryManagerMXBean_klass;
duke@435	50	static klassOop _garbageCollectorMXBean_klass;
duke@435	51	static klassOop _managementFactory_klass;
fparain@2888	52	static klassOop _garbageCollectorImpl_klass;
fparain@2888	53	static klassOop _gcInfo_klass;
duke@435	54
coleenp@2497	55	static klassOop load_and_initialize_klass(Symbol* sh, TRAPS);
duke@435	56
duke@435	57	public:
duke@435	58	static void init();
duke@435	59	static void initialize(TRAPS);
duke@435	60
duke@435	61	static jlong ticks_to_ms(jlong ticks);
duke@435	62	static jlong timestamp();
duke@435	63
duke@435	64	static void oops_do(OopClosure* f);
duke@435	65	static void* get_jmm_interface(int version);
duke@435	66	static void get_optional_support(jmmOptionalSupport* support);
duke@435	67
duke@435	68	static void get_loaded_classes(JavaThread* cur_thread, GrowableArray<KlassHandle>* klass_handle_array);
duke@435	69
duke@435	70	static void record_vm_startup_time(jlong begin, jlong duration);
duke@435	71	static void record_vm_init_completed() {
duke@435	72	// Initialize the timestamp to get the current time
duke@435	73	_vm_init_done_time->set_value(os::javaTimeMillis());
duke@435	74
duke@435	75	// Update the timestamp to the vm init done time
duke@435	76	_stamp.update();
duke@435	77	}
duke@435	78
phh@3382	79	static jlong begin_vm_creation_time() {
phh@3382	80	return _begin_vm_creation_time->get_value();
phh@3382	81	}
duke@435	82	static jlong vm_init_done_time() {
duke@435	83	return _vm_init_done_time->get_value();
duke@435	84	}
duke@435	85
duke@435	86	// methods to return a klassOop.
duke@435	87	static klassOop java_lang_management_ThreadInfo_klass(TRAPS);
duke@435	88	static klassOop java_lang_management_MemoryUsage_klass(TRAPS);
duke@435	89	static klassOop java_lang_management_MemoryPoolMXBean_klass(TRAPS);
duke@435	90	static klassOop java_lang_management_MemoryManagerMXBean_klass(TRAPS);
duke@435	91	static klassOop java_lang_management_GarbageCollectorMXBean_klass(TRAPS);
duke@435	92	static klassOop sun_management_Sensor_klass(TRAPS);
duke@435	93	static klassOop sun_management_ManagementFactory_klass(TRAPS);
fparain@2888	94	static klassOop sun_management_GarbageCollectorImpl_klass(TRAPS);
fparain@2888	95	static klassOop com_sun_management_GcInfo_klass(TRAPS);
duke@435	96
duke@435	97	static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, TRAPS);
duke@435	98	static instanceOop create_thread_info_instance(ThreadSnapshot* snapshot, objArrayHandle monitors_array, typeArrayHandle depths_array, objArrayHandle synchronizers_array, TRAPS);
duke@435	99	};
duke@435	100
duke@435	101	class TraceVmCreationTime : public StackObj {
duke@435	102	private:
duke@435	103	TimeStamp _timer;
duke@435	104	jlong _begin_time;
duke@435	105
duke@435	106	public:
duke@435	107	TraceVmCreationTime() {}
duke@435	108	~TraceVmCreationTime() {}
duke@435	109
duke@435	110	void start()
duke@435	111	{ _timer.update_to(0); _begin_time = os::javaTimeMillis(); }
duke@435	112
duke@435	113	/**
duke@435	114	* Only call this if initialization completes successfully; it will
duke@435	115	* crash if PerfMemory_exit() has already been called (usually by
duke@435	116	* os::shutdown() when there was an initialization failure).
duke@435	117	*/
duke@435	118	void end()
duke@435	119	{ Management::record_vm_startup_time(_begin_time, _timer.milliseconds()); }
duke@435	120
duke@435	121	};
stefank@2314	122
stefank@2314	123	#endif // SHARE_VM_SERVICES_MANAGEMENT_HPP