| /* |
| * Copyright (c) 2013, 2018, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| * |
| */ |
| |
| |
| #include "precompiled.hpp" |
| #include "gc/shared/gcId.hpp" |
| #include "gc/shared/objectCountEventSender.hpp" |
| #include "jfr/jfrEvents.hpp" |
| #include "memory/heapInspection.hpp" |
| #include "utilities/macros.hpp" |
| #include "utilities/ticks.hpp" |
| #if INCLUDE_SERVICES |
| |
| bool ObjectCountEventSender::should_send_event() { |
| #if INCLUDE_JFR |
| return _should_send_requestable_event || EventObjectCountAfterGC::is_enabled(); |
| #else |
| return false; |
| #endif // INCLUDE_JFR |
| } |
| |
| bool ObjectCountEventSender::_should_send_requestable_event = false; |
| |
| void ObjectCountEventSender::enable_requestable_event() { |
| _should_send_requestable_event = true; |
| } |
| |
| void ObjectCountEventSender::disable_requestable_event() { |
| _should_send_requestable_event = false; |
| } |
| |
| template <typename T> |
| void ObjectCountEventSender::send_event_if_enabled(Klass* klass, jlong count, julong size, const Ticks& timestamp) { |
| T event(UNTIMED); |
| if (event.should_commit()) { |
| event.set_gcId(GCId::current()); |
| event.set_objectClass(klass); |
| event.set_count(count); |
| event.set_totalSize(size); |
| event.set_endtime(timestamp); |
| event.commit(); |
| } |
| } |
| |
| void ObjectCountEventSender::send(const KlassInfoEntry* entry, const Ticks& timestamp) { |
| Klass* klass = entry->klass(); |
| jlong count = entry->count(); |
| julong total_size = entry->words() * BytesPerWord; |
| |
| send_event_if_enabled<EventObjectCount>(klass, count, total_size, timestamp); |
| send_event_if_enabled<EventObjectCountAfterGC>(klass, count, total_size, timestamp); |
| } |
| |
| #endif // INCLUDE_SERVICES |