Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/gc_implementation/shared/objectCountEventSender.cpp@55a0da3d420b (annotated)
src/share/vm/gc_implementation/shared/objectCountEventSender.cpp
Tue, 26 Nov 2013 14:35:38 +0100
- author
- sjohanss
- date
- Tue, 26 Nov 2013 14:35:38 +0100
- changeset 6148
- 55a0da3d420b
- parent 5520
- 274ce305e5b9
- 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 | |
| ehelin@5386 | 26 | #include "precompiled.hpp" |
| ehelin@5386 | 27 | #include "gc_implementation/shared/objectCountEventSender.hpp" |
| ehelin@5386 | 28 | #include "memory/heapInspection.hpp" |
| ehelin@5386 | 29 | #include "trace/tracing.hpp" |
| ehelin@5386 | 30 | #include "utilities/globalDefinitions.hpp" |
| ehelin@5386 | 31 | |
| ehelin@5386 | 32 | #if INCLUDE_SERVICES |
| ehelin@5386 | 33 | |
| ehelin@5388 | 34 | void ObjectCountEventSender::send(const KlassInfoEntry* entry, GCId gc_id, jlong timestamp) { |
| ehelin@5520 | 35 | #if INCLUDE_TRACE |
| ehelin@5386 | 36 | assert(Tracing::is_event_enabled(EventObjectCountAfterGC::eventId), |
| ehelin@5386 | 37 | "Only call this method if the event is enabled"); |
| ehelin@5386 | 38 | |
| ehelin@5388 | 39 | EventObjectCountAfterGC event(UNTIMED); |
| ehelin@5386 | 40 | event.set_gcId(gc_id); |
| ehelin@5386 | 41 | event.set_class(entry->klass()); |
| ehelin@5386 | 42 | event.set_count(entry->count()); |
| ehelin@5386 | 43 | event.set_totalSize(entry->words() * BytesPerWord); |
| ehelin@5388 | 44 | event.set_endtime(timestamp); |
| ehelin@5386 | 45 | event.commit(); |
| ehelin@5520 | 46 | #endif // INCLUDE_TRACE |
| ehelin@5386 | 47 | } |
| ehelin@5386 | 48 | |
| ehelin@5386 | 49 | bool ObjectCountEventSender::should_send_event() { |
| ehelin@5386 | 50 | #if INCLUDE_TRACE |
| ehelin@5386 | 51 | return Tracing::is_event_enabled(EventObjectCountAfterGC::eventId); |
| ehelin@5386 | 52 | #else |
| ehelin@5386 | 53 | return false; |
| ehelin@5386 | 54 | #endif // INCLUDE_TRACE |
| ehelin@5386 | 55 | } |
| ehelin@5386 | 56 | |
| ehelin@5386 | 57 | #endif // INCLUDE_SERVICES |
