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src/share/vm/memory/metaspaceTracer.cpp@6acf14e730dd (annotated)

src/share/vm/memory/metaspaceTracer.cpp

Tue, 16 Feb 2016 21:42:29 +0000

author

poonam

date

Tue, 16 Feb 2016 21:42:29 +0000

changeset 8308

6acf14e730dd

parent 6428

794399f4f5d9

child 6876

710a3c8b516e

child 9858

b985cbb00e68

permissions

-rw-r--r--

8072725: Provide more granular levels for GC verification
Summary: Add option VerifySubSet to selectively verify the memory sub-systems
Reviewed-by: kevinw, jmasa

ehelin@6417	1	/*
ehelin@6417	2	* Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
ehelin@6417	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ehelin@6417	4	*
ehelin@6417	5	* This code is free software; you can redistribute it and/or modify it
ehelin@6417	6	* under the terms of the GNU General Public License version 2 only, as
ehelin@6417	7	* published by the Free Software Foundation.
ehelin@6417	8	*
ehelin@6417	9	* This code is distributed in the hope that it will be useful, but WITHOUT
ehelin@6417	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ehelin@6417	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ehelin@6417	12	* version 2 for more details (a copy is included in the LICENSE file that
ehelin@6417	13	* accompanied this code).
ehelin@6417	14	*
ehelin@6417	15	* You should have received a copy of the GNU General Public License version
ehelin@6417	16	* 2 along with this work; if not, write to the Free Software Foundation,
ehelin@6417	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ehelin@6417	18	*
ehelin@6417	19	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ehelin@6417	20	* or visit www.oracle.com if you need additional information or have any
ehelin@6417	21	* questions.
ehelin@6417	22	*
ehelin@6417	23	*/
ehelin@6417	24
ehelin@6417	25	#include "precompiled.hpp"
ehelin@6418	26	#include "classfile/classLoaderData.hpp"
ehelin@6417	27	#include "memory/metaspaceTracer.hpp"
ehelin@6428	28	#include "oops/oop.inline.hpp"
ehelin@6417	29	#include "trace/tracing.hpp"
ehelin@6417	30	#include "trace/traceBackend.hpp"
ehelin@6417	31
ehelin@6417	32	void MetaspaceTracer::report_gc_threshold(size_t old_val,
ehelin@6417	33	size_t new_val,
ehelin@6417	34	MetaspaceGCThresholdUpdater::Type updater) const {
ehelin@6417	35	EventMetaspaceGCThreshold event;
ehelin@6417	36	if (event.should_commit()) {
ehelin@6417	37	event.set_oldValue(old_val);
ehelin@6417	38	event.set_newValue(new_val);
ehelin@6417	39	event.set_updater((u1)updater);
ehelin@6417	40	event.commit();
ehelin@6417	41	}
ehelin@6417	42	}
ehelin@6418	43
ehelin@6418	44	void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld,
ehelin@6418	45	size_t word_size,
ehelin@6418	46	MetaspaceObj::Type objtype,
ehelin@6418	47	Metaspace::MetadataType mdtype) const {
ehelin@6419	48	send_allocation_failure_event<EventMetaspaceAllocationFailure>(cld, word_size, objtype, mdtype);
ehelin@6419	49	}
ehelin@6419	50
ehelin@6419	51	void MetaspaceTracer::report_metadata_oom(ClassLoaderData *cld,
ehelin@6419	52	size_t word_size,
ehelin@6419	53	MetaspaceObj::Type objtype,
ehelin@6419	54	Metaspace::MetadataType mdtype) const {
ehelin@6419	55	send_allocation_failure_event<EventMetaspaceOOM>(cld, word_size, objtype, mdtype);
ehelin@6419	56	}
ehelin@6419	57
ehelin@6419	58	template <typename E>
ehelin@6419	59	void MetaspaceTracer::send_allocation_failure_event(ClassLoaderData *cld,
ehelin@6419	60	size_t word_size,
ehelin@6419	61	MetaspaceObj::Type objtype,
ehelin@6419	62	Metaspace::MetadataType mdtype) const {
ehelin@6419	63	E event;
ehelin@6418	64	if (event.should_commit()) {
ehelin@6418	65	if (cld->is_anonymous()) {
ehelin@6418	66	event.set_classLoader(NULL);
ehelin@6418	67	event.set_anonymousClassLoader(true);
ehelin@6418	68	} else {
ehelin@6418	69	if (cld->is_the_null_class_loader_data()) {
ehelin@6418	70	event.set_classLoader((Klass*) NULL);
ehelin@6418	71	} else {
ehelin@6418	72	event.set_classLoader(cld->class_loader()->klass());
ehelin@6418	73	}
ehelin@6418	74	event.set_anonymousClassLoader(false);
ehelin@6418	75	}
ehelin@6418	76
ehelin@6418	77	event.set_size(word_size * BytesPerWord);
ehelin@6418	78	event.set_metadataType((u1) mdtype);
ehelin@6418	79	event.set_metaspaceObjectType((u1) objtype);
ehelin@6418	80	event.commit();
ehelin@6418	81	}
ehelin@6418	82	}