1 /* 2 * Copyright (c) 2013, 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 26 #include "precompiled.hpp" 27 #include "gc_implementation/shared/gcId.hpp" 28 #include "gc_implementation/shared/objectCountEventSender.hpp" 29 #include "jfr/jfrEvents.hpp" 30 #include "memory/heapInspection.hpp" 31 #include "utilities/globalDefinitions.hpp" 32 #include "utilities/macros.hpp" 33 #include "utilities/ticks.hpp" 34 35 36 #if INCLUDE_SERVICES 37 38 bool ObjectCountEventSender::should_send_event() { 39 #if INCLUDE_JFR 40 return _should_send_requestable_event || EventObjectCountAfterGC::is_enabled(); 41 #else 42 return false; 43 #endif // INCLUDE_JFR 44 } 45 46 bool ObjectCountEventSender::_should_send_requestable_event = false; 47 48 void ObjectCountEventSender::enable_requestable_event() { 49 #if INCLUDE_JFR 50 _should_send_requestable_event = true; 51 #endif 52 } 53 54 void ObjectCountEventSender::disable_requestable_event() { 55 #if INCLUDE_JFR 56 _should_send_requestable_event = false; 57 #endif 58 } 59 60 template <typename T> 61 void ObjectCountEventSender::send_event_if_enabled(Klass* klass, GCId gc_id, jlong count, julong size, const Ticks& timestamp) { 62 #if INCLUDE_JFR 63 T event(UNTIMED); 64 if (event.should_commit()) { 65 event.set_gcId(gc_id.id()); 66 event.set_objectClass(klass); 67 event.set_count(count); 68 event.set_totalSize(size); 69 event.set_endtime(timestamp); 70 event.commit(); 71 } 72 #endif 73 } 74 75 void ObjectCountEventSender::send(const KlassInfoEntry* entry, GCId gc_id, const Ticks& timestamp) { 76 #if INCLUDE_JFR 77 Klass* klass = entry->klass(); 78 jlong count = entry->count(); 79 julong total_size = entry->words() * BytesPerWord; 80 81 send_event_if_enabled<EventObjectCount>(klass, gc_id, count, total_size, timestamp); 82 send_event_if_enabled<EventObjectCountAfterGC>(klass, gc_id, count, total_size, timestamp); 83 #endif 84 } 85 86 #endif // INCLUDE_SERVICES