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 */
24
25#include "precompiled.hpp"
26#include "classfile/classLoaderData.hpp"
27#include "memory/metaspaceTracer.hpp"
28#include "oops/oop.inline.hpp"
29#include "trace/tracing.hpp"
30#include "trace/traceBackend.hpp"
31
32void MetaspaceTracer::report_gc_threshold(size_t old_val,
33                                          size_t new_val,
34                                          MetaspaceGCThresholdUpdater::Type updater) const {
35  EventMetaspaceGCThreshold event;
36  if (event.should_commit()) {
37    event.set_oldValue(old_val);
38    event.set_newValue(new_val);
39    event.set_updater((u1)updater);
40    event.commit();
41  }
42}
43
44void MetaspaceTracer::report_metaspace_allocation_failure(ClassLoaderData *cld,
45                                                          size_t word_size,
46                                                          MetaspaceObj::Type objtype,
47                                                          Metaspace::MetadataType mdtype) const {
48  send_allocation_failure_event<EventMetaspaceAllocationFailure>(cld, word_size, objtype, mdtype);
49}
50
51void MetaspaceTracer::report_metadata_oom(ClassLoaderData *cld,
52                                         size_t word_size,
53                                         MetaspaceObj::Type objtype,
54                                         Metaspace::MetadataType mdtype) const {
55  send_allocation_failure_event<EventMetaspaceOOM>(cld, word_size, objtype, mdtype);
56}
57
58template <typename E>
59void MetaspaceTracer::send_allocation_failure_event(ClassLoaderData *cld,
60                                                    size_t word_size,
61                                                    MetaspaceObj::Type objtype,
62                                                    Metaspace::MetadataType mdtype) const {
63  E event;
64  if (event.should_commit()) {
65    event.set_classLoader(cld);
66    if (cld->is_anonymous()) {
67      event.set_anonymousClassLoader(true);
68    } else {
69      event.set_anonymousClassLoader(false);
70    }
71    event.set_size(word_size * BytesPerWord);
72    event.set_metadataType((u1) mdtype);
73    event.set_metaspaceObjectType((u1) objtype);
74    event.commit();
75  }
76}
77