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comparison src/share/vm/oops/methodCounters.cpp @ 10105:aeaca88565e6

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8010862: The Method counter fields used for profiling can be allocated lazily. Summary: Allocate the method's profiling related metadata until they are needed. Reviewed-by: coleenp, roland
author jiangli
date Tue, 09 Apr 2013 17:17:41 -0400
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children a1ebd310d5c1
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9055:dcdeb150988c 10105:aeaca88565e6
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 #include "precompiled.hpp"
25 #include "oops/methodCounters.hpp"
26 #include "runtime/thread.inline.hpp"
27
28 MethodCounters* MethodCounters::allocate(ClassLoaderData* loader_data, TRAPS) {
29 return new(loader_data, size(), false, THREAD) MethodCounters();
30 }
31
32 void MethodCounters::clear_counters() {
33 invocation_counter()->reset();
34 backedge_counter()->reset();
35 set_interpreter_throwout_count(0);
36 set_interpreter_invocation_count(0);
37 }