Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/gc_implementation/shared/gcTraceTime.hpp@55a0da3d420b (annotated)
src/share/vm/gc_implementation/shared/gcTraceTime.hpp
Tue, 26 Nov 2013 14:35:38 +0100
- author
- sjohanss
- date
- Tue, 26 Nov 2013 14:35:38 +0100
- changeset 6148
- 55a0da3d420b
- parent 5237
- f2110083203d
- 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
| sla@5237 | 1 | /* |
| sla@5237 | 2 | * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
| sla@5237 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| sla@5237 | 4 | * |
| sla@5237 | 5 | * This code is free software; you can redistribute it and/or modify it |
| sla@5237 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| sla@5237 | 7 | * published by the Free Software Foundation. |
| sla@5237 | 8 | * |
| sla@5237 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| sla@5237 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| sla@5237 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| sla@5237 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| sla@5237 | 13 | * accompanied this code). |
| sla@5237 | 14 | * |
| sla@5237 | 15 | * You should have received a copy of the GNU General Public License version |
| sla@5237 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| sla@5237 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| sla@5237 | 18 | * |
| sla@5237 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| sla@5237 | 20 | * or visit www.oracle.com if you need additional information or have any |
| sla@5237 | 21 | * questions. |
| sla@5237 | 22 | * |
| sla@5237 | 23 | */ |
| sla@5237 | 24 | |
| sla@5237 | 25 | #ifndef SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACETIME_HPP |
| sla@5237 | 26 | #define SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACETIME_HPP |
| sla@5237 | 27 | |
| sla@5237 | 28 | #include "prims/jni_md.h" |
| sla@5237 | 29 | |
| sla@5237 | 30 | class GCTimer; |
| sla@5237 | 31 | |
| sla@5237 | 32 | class GCTraceTime { |
| sla@5237 | 33 | const char* _title; |
| sla@5237 | 34 | bool _doit; |
| sla@5237 | 35 | bool _print_cr; |
| sla@5237 | 36 | GCTimer* _timer; |
| sla@5237 | 37 | jlong _start_counter; |
| sla@5237 | 38 | |
| sla@5237 | 39 | public: |
| sla@5237 | 40 | GCTraceTime(const char* title, bool doit, bool print_cr, GCTimer* timer); |
| sla@5237 | 41 | ~GCTraceTime(); |
| sla@5237 | 42 | }; |
| sla@5237 | 43 | |
| sla@5237 | 44 | #endif // SHARE_VM_GC_IMPLEMENTATION_SHARED_GCTRACETIME_HPP |
