jdk-sandbox: src/hotspot/share/jfr/recorder/checkpoint/types/jfrTypeManager.cpp@c16ac7a2eba4 (annotated)

50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	1	/*
54623 1126f0607c70 8222811: Consolidate MutexLockerEx and MutexLocker coleenp parents: 52212 diff changeset	2	* Copyright (c) 2016, 2019, Oracle and/or its affiliates. All rights reserved.
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	4	*
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	5	* This code is free software; you can redistribute it and/or modify it
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	6	* under the terms of the GNU General Public License version 2 only, as
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	7	* published by the Free Software Foundation.
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	8	*
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	9	* This code is distributed in the hope that it will be useful, but WITHOUT
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	12	* version 2 for more details (a copy is included in the LICENSE file that
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	13	* accompanied this code).
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	14	*
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	15	* You should have received a copy of the GNU General Public License version
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	16	* 2 along with this work; if not, write to the Free Software Foundation,
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	18	*
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	20	* or visit www.oracle.com if you need additional information or have any
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	21	* questions.
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	22	*
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	23	*/
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	24
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	25	#include "precompiled.hpp"
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	26	#include "jfr/metadata/jfrSerializer.hpp"
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	27	#include "jfr/recorder/checkpoint/jfrCheckpointWriter.hpp"
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	28	#include "jfr/recorder/checkpoint/types/jfrType.hpp"
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	29	#include "jfr/recorder/checkpoint/types/jfrTypeManager.hpp"
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	30	#include "jfr/recorder/jfrRecorder.hpp"
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	31	#include "jfr/utilities/jfrDoublyLinkedList.hpp"
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	32	#include "jfr/utilities/jfrIterator.hpp"
58132 caa25ab47aca 8225797: OldObjectSample event creates unexpected amount of checkpoint data mgronlun parents: 58003 diff changeset	33	#include "memory/resourceArea.hpp"
caa25ab47aca 8225797: OldObjectSample event creates unexpected amount of checkpoint data mgronlun parents: 58003 diff changeset	34	#include "runtime/handles.inline.hpp"
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	35	#include "runtime/safepoint.hpp"
58786 7909763ad193 8231081: TestMetadataRetention fails due to missing symbol id mgronlun parents: 58132 diff changeset	36	#include "runtime/semaphore.hpp"
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	37	#include "runtime/thread.inline.hpp"
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	38	#include "utilities/exceptions.hpp"
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	39
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	40	class JfrSerializerRegistration : public JfrCHeapObj {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	41	private:
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	42	JfrSerializerRegistration* _next;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	43	JfrSerializerRegistration* _prev;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	44	JfrSerializer* _serializer;
58132 caa25ab47aca 8225797: OldObjectSample event creates unexpected amount of checkpoint data mgronlun parents: 58003 diff changeset	45	mutable JfrBlobHandle _cache;
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	46	JfrTypeId _id;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	47	bool _permit_cache;
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	48
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	49	public:
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	50	JfrSerializerRegistration(JfrTypeId id, bool permit_cache, JfrSerializer* serializer) :
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	51	_next(NULL), _prev(NULL), _serializer(serializer), _cache(), _id(id), _permit_cache(permit_cache) {}
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	52
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	53	~JfrSerializerRegistration() {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	54	delete _serializer;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	55	}
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	56
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	57	JfrSerializerRegistration* next() const {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	58	return _next;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	59	}
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	60
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	61	void set_next(JfrSerializerRegistration* next) {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	62	_next = next;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	63	}
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	64
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	65	JfrSerializerRegistration* prev() const {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	66	return _prev;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	67	}
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	68
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	69	void set_prev(JfrSerializerRegistration* prev) {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	70	_prev = prev;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	71	}
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	72
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	73	JfrTypeId id() const {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	74	return _id;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	75	}
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	76
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	77	void on_rotation() const {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	78	_serializer->on_rotation();
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	79	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	80
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	81	void invoke(JfrCheckpointWriter& writer) const {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	82	if (_cache.valid()) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	83	writer.increment();
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	84	_cache->write(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	85	return;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	86	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	87	const JfrCheckpointContext ctx = writer.context();
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	88	// serialize the type id before invoking callback
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	89	writer.write_type(_id);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	90	const intptr_t start = writer.current_offset();
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	91	// invoke the serializer routine
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	92	_serializer->serialize(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	93	if (start == writer.current_offset()) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	94	// the serializer implementation did nothing, rewind to restore
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	95	writer.set_context(ctx);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	96	return;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	97	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	98	if (_permit_cache) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	99	_cache = writer.copy(&ctx);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	100	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	101	}
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	102	};
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	103
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	104	static void serialize_threads(JfrCheckpointWriter& writer) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	105	JfrThreadConstantSet thread_set;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	106	writer.write_type(TYPE_THREAD);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	107	thread_set.serialize(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	108	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	109
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	110	static void serialize_thread_groups(JfrCheckpointWriter& writer) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	111	JfrThreadGroupConstant thread_group_set;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	112	writer.write_type(TYPE_THREADGROUP);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	113	thread_group_set.serialize(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	114	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	115
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	116	void JfrTypeManager::write_threads(JfrCheckpointWriter& writer) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	117	serialize_threads(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	118	serialize_thread_groups(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	119	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	120
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	121	void JfrTypeManager::create_thread_blob(Thread* t) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	122	assert(t != NULL, "invariant");
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	123	ResourceMark rm(t);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	124	HandleMark hm(t);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	125	JfrThreadConstant type_thread(t);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	126	JfrCheckpointWriter writer(t, true, THREADS);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	127	writer.write_type(TYPE_THREAD);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	128	type_thread.serialize(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	129	// create and install a checkpoint blob
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	130	t->jfr_thread_local()->set_thread_blob(writer.move());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	131	assert(t->jfr_thread_local()->has_thread_blob(), "invariant");
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	132	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	133
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	134	void JfrTypeManager::write_thread_checkpoint(Thread* t) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	135	assert(t != NULL, "invariant");
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	136	ResourceMark rm(t);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	137	HandleMark hm(t);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	138	JfrThreadConstant type_thread(t);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	139	JfrCheckpointWriter writer(t, true, THREADS);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	140	writer.write_type(TYPE_THREAD);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	141	type_thread.serialize(writer);
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	142	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	143
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	144	class SerializerRegistrationGuard : public StackObj {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	145	private:
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	146	static Semaphore _mutex_semaphore;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	147	public:
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	148	SerializerRegistrationGuard() {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	149	_mutex_semaphore.wait();
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	150	}
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	151	~SerializerRegistrationGuard() {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	152	_mutex_semaphore.signal();
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	153	}
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	154	};
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	155
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	156	Semaphore SerializerRegistrationGuard::_mutex_semaphore(1);
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	157
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	158	typedef JfrDoublyLinkedList<JfrSerializerRegistration> List;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	159	typedef StopOnNullIterator<const List> Iterator;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	160	static List types;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	161
58786 7909763ad193 8231081: TestMetadataRetention fails due to missing symbol id mgronlun parents: 58132 diff changeset	162	void JfrTypeManager::destroy() {
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	163	SerializerRegistrationGuard guard;
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	164	Iterator iter(types);
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	165	JfrSerializerRegistration* registration;
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	166	while (iter.has_next()) {
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	167	registration = types.remove(iter.next());
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	168	assert(registration != NULL, "invariant");
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	169	delete registration;
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	170	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	171	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	172
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	173	void JfrTypeManager::on_rotation() {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	174	const Iterator iter(types);
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	175	while (iter.has_next()) {
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	176	iter.next()->on_rotation();
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	177	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	178	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	179
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	180	#ifdef ASSERT
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	181	static void assert_not_registered_twice(JfrTypeId id, List& list) {
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	182	const Iterator iter(list);
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	183	while (iter.has_next()) {
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	184	assert(iter.next()->id() != id, "invariant");
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	185	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	186	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	187	#endif
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	188
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	189	static bool new_registration = false;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	190
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	191	static bool register_static_type(JfrTypeId id, bool permit_cache, JfrSerializer* serializer) {
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	192	assert(serializer != NULL, "invariant");
0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	193	JfrSerializerRegistration* const registration = new JfrSerializerRegistration(id, permit_cache, serializer);
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	194	if (registration == NULL) {
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	195	delete serializer;
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	196	return false;
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	197	}
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	198	assert(!types.in_list(registration), "invariant");
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	199	DEBUG_ONLY(assert_not_registered_twice(id, types);)
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	200	if (JfrRecorder::is_recording()) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	201	JfrCheckpointWriter writer(STATICS);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	202	registration->invoke(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	203	new_registration = true;
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	204	}
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	205	types.prepend(registration);
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	206	return true;
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	207	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	208
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	209	bool JfrTypeManager::initialize() {
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	210	SerializerRegistrationGuard guard;
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	211	register_static_type(TYPE_FLAGVALUEORIGIN, true, new FlagValueOriginConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	212	register_static_type(TYPE_INFLATECAUSE, true, new MonitorInflateCauseConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	213	register_static_type(TYPE_GCCAUSE, true, new GCCauseConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	214	register_static_type(TYPE_GCNAME, true, new GCNameConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	215	register_static_type(TYPE_GCWHEN, true, new GCWhenConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	216	register_static_type(TYPE_GCTHRESHOLDUPDATER, true, new GCThresholdUpdaterConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	217	register_static_type(TYPE_METADATATYPE, true, new MetadataTypeConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	218	register_static_type(TYPE_METASPACEOBJECTTYPE, true, new MetaspaceObjectTypeConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	219	register_static_type(TYPE_REFERENCETYPE, true, new ReferenceTypeConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	220	register_static_type(TYPE_NARROWOOPMODE, true, new NarrowOopModeConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	221	register_static_type(TYPE_COMPILERPHASETYPE, true, new CompilerPhaseTypeConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	222	register_static_type(TYPE_CODEBLOBTYPE, true, new CodeBlobTypeConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	223	register_static_type(TYPE_VMOPERATIONTYPE, true, new VMOperationTypeConstant());
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	224	register_static_type(TYPE_THREADSTATE, true, new ThreadStateConstant());
50113 caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	225	return true;
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	226	}
caf115bb98ad 8199712: Flight Recorder egahlin parents: diff changeset	227
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	228	// implementation for the static registration function exposed in the JfrSerializer api
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	229	bool JfrSerializer::register_serializer(JfrTypeId id, bool permit_cache, JfrSerializer* serializer) {
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	230	SerializerRegistrationGuard guard;
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	231	return register_static_type(id, permit_cache, serializer);
50703 0486d7749b8d 8205053: Decouple type registration from framework lifecycle egahlin parents: 50525 diff changeset	232	}
58863 c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	233
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	234	bool JfrTypeManager::has_new_static_type() {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	235	if (new_registration) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	236	SerializerRegistrationGuard guard;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	237	new_registration = false;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	238	return true;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	239	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	240	return false;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	241	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	242
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	243	void JfrTypeManager::write_static_types(JfrCheckpointWriter& writer) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	244	SerializerRegistrationGuard guard;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	245	const Iterator iter(types);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	246	while (iter.has_next()) {
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	247	iter.next()->invoke(writer);
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	248	}
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	249	new_registration = false;
c16ac7a2eba4 8226511: Implement JFR Event Streaming mgronlun parents: 58786 diff changeset	250	}

author	mgronlun
	Wed, 30 Oct 2019 19:43:52 +0100
changeset 58863	c16ac7a2eba4
parent 58786	7909763ad193
permissions	-rw-r--r--