1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/src/share/vm/memory/metaspaceTracer.cpp Wed Apr 27 01:25:04 2016 +0800
1.3 @@ -0,0 +1,82 @@
1.4 +/*
1.5 + * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
1.6 + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
1.7 + *
1.8 + * This code is free software; you can redistribute it and/or modify it
1.9 + * under the terms of the GNU General Public License version 2 only, as
1.10 + * published by the Free Software Foundation.
1.11 + *
1.12 + * This code is distributed in the hope that it will be useful, but WITHOUT
1.13 + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
1.14 + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
1.15 + * version 2 for more details (a copy is included in the LICENSE file that
1.16 + * accompanied this code).
1.17 + *
1.18 + * You should have received a copy of the GNU General Public License version
1.19 + * 2 along with this work; if not, write to the Free Software Foundation,
1.20 + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
1.21 + *
1.22 + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
1.23 + * or visit www.oracle.com if you need additional information or have any
1.24 + * questions.
1.25 + *
1.26 + */
1.27 +
1.28 +#include "precompiled.hpp"
1.29 +#include "classfile/classLoaderData.hpp"
1.30 +#include "memory/metaspaceTracer.hpp"
1.31 +#include "oops/oop.inline.hpp"
1.32 +#include "trace/tracing.hpp"
1.33 +#include "trace/traceBackend.hpp"
1.34 +
1.35 +void MetaspaceTracer::report_gc_threshold(size_t old_val,
1.36 + size_t new_val,
1.37 + MetaspaceGCThresholdUpdater::Type updater) const {
1.38 + EventMetaspaceGCThreshold event;
1.39 + if (event.should_commit()) {
1.40 + event.set_oldValue(old_val);
1.41 + event.set_newValue(new_val);
1.42 + event.set_updater((u1)updater);
1.43 + event.commit();
1.44 + }
1.45 +}
1.46 +
1.47 +void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld,
1.48 + size_t word_size,
1.49 + MetaspaceObj::Type objtype,
1.50 + Metaspace::MetadataType mdtype) const {
1.51 + send_allocation_failure_event<EventMetaspaceAllocationFailure>(cld, word_size, objtype, mdtype);
1.52 +}
1.53 +
1.54 +void MetaspaceTracer::report_metadata_oom(ClassLoaderData *cld,
1.55 + size_t word_size,
1.56 + MetaspaceObj::Type objtype,
1.57 + Metaspace::MetadataType mdtype) const {
1.58 + send_allocation_failure_event<EventMetaspaceOOM>(cld, word_size, objtype, mdtype);
1.59 +}
1.60 +
1.61 +template <typename E>
1.62 +void MetaspaceTracer::send_allocation_failure_event(ClassLoaderData *cld,
1.63 + size_t word_size,
1.64 + MetaspaceObj::Type objtype,
1.65 + Metaspace::MetadataType mdtype) const {
1.66 + E event;
1.67 + if (event.should_commit()) {
1.68 + if (cld->is_anonymous()) {
1.69 + event.set_classLoader(NULL);
1.70 + event.set_anonymousClassLoader(true);
1.71 + } else {
1.72 + if (cld->is_the_null_class_loader_data()) {
1.73 + event.set_classLoader((Klass*) NULL);
1.74 + } else {
1.75 + event.set_classLoader(cld->class_loader()->klass());
1.76 + }
1.77 + event.set_anonymousClassLoader(false);
1.78 + }
1.79 +
1.80 + event.set_size(word_size * BytesPerWord);
1.81 + event.set_metadataType((u1) mdtype);
1.82 + event.set_metaspaceObjectType((u1) objtype);
1.83 + event.commit();
1.84 + }
1.85 +}
