Fri, 21 Mar 2014 10:20:00 +0100
8036699: Add trace event when a metaspace allocation fails
Reviewed-by: jmasa, stefank
1 /*
2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
25 #include "precompiled.hpp"
26 #include "classfile/classLoaderData.hpp"
27 #include "memory/metaspaceTracer.hpp"
28 #include "trace/tracing.hpp"
29 #include "trace/traceBackend.hpp"
31 void MetaspaceTracer::report_gc_threshold(size_t old_val,
32 size_t new_val,
33 MetaspaceGCThresholdUpdater::Type updater) const {
34 EventMetaspaceGCThreshold event;
35 if (event.should_commit()) {
36 event.set_oldValue(old_val);
37 event.set_newValue(new_val);
38 event.set_updater((u1)updater);
39 event.commit();
40 }
41 }
43 void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld,
44 size_t word_size,
45 MetaspaceObj::Type objtype,
46 Metaspace::MetadataType mdtype) const {
47 EventMetaspaceAllocationFailure event;
48 if (event.should_commit()) {
49 if (cld->is_anonymous()) {
50 event.set_classLoader(NULL);
51 event.set_anonymousClassLoader(true);
52 } else {
53 if (cld->is_the_null_class_loader_data()) {
54 event.set_classLoader((Klass*) NULL);
55 } else {
56 event.set_classLoader(cld->class_loader()->klass());
57 }
58 event.set_anonymousClassLoader(false);
59 }
61 event.set_size(word_size * BytesPerWord);
62 event.set_metadataType((u1) mdtype);
63 event.set_metaspaceObjectType((u1) objtype);
64 event.commit();
65 }
66 }