src/share/vm/gc_implementation/shared/objectCountEventSender.hpp

Tue, 26 Nov 2013 14:35:38 +0100

author
sjohanss
date
Tue, 26 Nov 2013 14:35:38 +0100
changeset 6148
55a0da3d420b
parent 5388
6aa440bc1125
child 6131
86e6d691f2e1
permissions
-rw-r--r--

8027675: Full collections with Serial slower in JDK 8 compared to 7u40
Summary: Reduced the number of calls to follow_class_loader and instead marked and pushed the klass holder directly. Also removed unneeded calls to adjust_klass.
Reviewed-by: coleenp, jmasa, mgerdin, tschatzl

ehelin@5386 1 /*
ehelin@5386 2 * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
ehelin@5386 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
ehelin@5386 4 *
ehelin@5386 5 * This code is free software; you can redistribute it and/or modify it
ehelin@5386 6 * under the terms of the GNU General Public License version 2 only, as
ehelin@5386 7 * published by the Free Software Foundation.
ehelin@5386 8 *
ehelin@5386 9 * This code is distributed in the hope that it will be useful, but WITHOUT
ehelin@5386 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
ehelin@5386 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
ehelin@5386 12 * version 2 for more details (a copy is included in the LICENSE file that
ehelin@5386 13 * accompanied this code).
ehelin@5386 14 *
ehelin@5386 15 * You should have received a copy of the GNU General Public License version
ehelin@5386 16 * 2 along with this work; if not, write to the Free Software Foundation,
ehelin@5386 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
ehelin@5386 18 *
ehelin@5386 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
ehelin@5386 20 * or visit www.oracle.com if you need additional information or have any
ehelin@5386 21 * questions.
ehelin@5386 22 *
ehelin@5386 23 */
ehelin@5386 24
ehelin@5386 25 #ifndef SHARE_VM_OBJECT_COUNT_EVENT_SENDER_HPP
ehelin@5386 26 #define SHARE_VM_OBJECT_COUNT_EVENT_SENDER_HPP
ehelin@5386 27
ehelin@5386 28 #include "gc_implementation/shared/gcTrace.hpp"
ehelin@5386 29 #include "memory/allocation.hpp"
ehelin@5386 30 #include "utilities/macros.hpp"
ehelin@5386 31
ehelin@5386 32 #if INCLUDE_SERVICES
ehelin@5386 33
ehelin@5386 34 class KlassInfoEntry;
ehelin@5386 35
ehelin@5386 36 class ObjectCountEventSender : public AllStatic {
ehelin@5386 37 public:
ehelin@5388 38 static void send(const KlassInfoEntry* entry, GCId gc_id, jlong timestamp);
ehelin@5386 39 static bool should_send_event();
ehelin@5386 40 };
ehelin@5386 41
ehelin@5386 42 #endif // INCLUDE_SERVICES
ehelin@5386 43
ehelin@5386 44 #endif // SHARE_VM_OBJECT_COUNT_EVENT_SENDER

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