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src/share/vm/memory/metaspaceTracer.cpp@7ae4e26cb1e0 (annotated)

src/share/vm/memory/metaspaceTracer.cpp

Thu, 12 Oct 2017 21:27:07 +0800

author

aoqi

date

Thu, 12 Oct 2017 21:27:07 +0800

changeset 7535

7ae4e26cb1e0

parent 6876

710a3c8b516e

child 9931

fd44df5e3bc3

permissions

-rw-r--r--

merge

aoqi@0	1	/*
aoqi@0	2	* Copyright (c) 2014, 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	#include "precompiled.hpp"
aoqi@0	26	#include "classfile/classLoaderData.hpp"
aoqi@0	27	#include "memory/metaspaceTracer.hpp"
aoqi@0	28	#include "oops/oop.inline.hpp"
aoqi@0	29	#include "trace/tracing.hpp"
aoqi@0	30	#include "trace/traceBackend.hpp"
aoqi@0	31
aoqi@0	32	void MetaspaceTracer::report_gc_threshold(size_t old_val,
aoqi@0	33	size_t new_val,
aoqi@0	34	MetaspaceGCThresholdUpdater::Type updater) const {
aoqi@0	35	EventMetaspaceGCThreshold event;
aoqi@0	36	if (event.should_commit()) {
aoqi@0	37	event.set_oldValue(old_val);
aoqi@0	38	event.set_newValue(new_val);
aoqi@0	39	event.set_updater((u1)updater);
aoqi@0	40	event.commit();
aoqi@0	41	}
aoqi@0	42	}
aoqi@0	43
aoqi@0	44	void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld,
aoqi@0	45	size_t word_size,
aoqi@0	46	MetaspaceObj::Type objtype,
aoqi@0	47	Metaspace::MetadataType mdtype) const {
aoqi@0	48	send_allocation_failure_event<EventMetaspaceAllocationFailure>(cld, word_size, objtype, mdtype);
aoqi@0	49	}
aoqi@0	50
aoqi@0	51	void MetaspaceTracer::report_metadata_oom(ClassLoaderData *cld,
aoqi@0	52	size_t word_size,
aoqi@0	53	MetaspaceObj::Type objtype,
aoqi@0	54	Metaspace::MetadataType mdtype) const {
aoqi@0	55	send_allocation_failure_event<EventMetaspaceOOM>(cld, word_size, objtype, mdtype);
aoqi@0	56	}
aoqi@0	57
aoqi@0	58	template <typename E>
aoqi@0	59	void MetaspaceTracer::send_allocation_failure_event(ClassLoaderData *cld,
aoqi@0	60	size_t word_size,
aoqi@0	61	MetaspaceObj::Type objtype,
aoqi@0	62	Metaspace::MetadataType mdtype) const {
aoqi@0	63	E event;
aoqi@0	64	if (event.should_commit()) {
aoqi@0	65	if (cld->is_anonymous()) {
aoqi@0	66	event.set_classLoader(NULL);
aoqi@0	67	event.set_anonymousClassLoader(true);
aoqi@0	68	} else {
aoqi@0	69	if (cld->is_the_null_class_loader_data()) {
aoqi@0	70	event.set_classLoader((Klass*) NULL);
aoqi@0	71	} else {
aoqi@0	72	event.set_classLoader(cld->class_loader()->klass());
aoqi@0	73	}
aoqi@0	74	event.set_anonymousClassLoader(false);
aoqi@0	75	}
aoqi@0	76
aoqi@0	77	event.set_size(word_size * BytesPerWord);
aoqi@0	78	event.set_metadataType((u1) mdtype);
aoqi@0	79	event.set_metaspaceObjectType((u1) objtype);
aoqi@0	80	event.commit();
aoqi@0	81	}
aoqi@0	82	}