Mon, 08 Dec 2014 18:57:33 +0100
8067655: Clean up G1 remembered set oop iteration
Summary: Pass on the static type G1ParPushHeapRSClosure to allow oop_iterate devirtualization
Reviewed-by: jmasa, kbarrett
1 /*
2 * Copyright (c) 2012, 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 */
25 #include "precompiled.hpp"
26 #include "gc_implementation/g1/g1_globals.hpp"
27 #include "gc_implementation/g1/g1Log.hpp"
28 #include "runtime/globals.hpp"
30 G1Log::LogLevel G1Log::_level = G1Log::LevelNone;
32 // If G1LogLevel has not been set up we will use the values of PrintGC
33 // and PrintGCDetails for the logging level.
34 // - PrintGC maps to "fine".
35 // - PrintGCDetails maps to "finer".
36 void G1Log::init() {
37 if (G1LogLevel != NULL && G1LogLevel[0] != '\0') {
38 if (strncmp("none", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') {
39 _level = LevelNone;
40 } else if (strncmp("fine", G1LogLevel, 4) == 0 && G1LogLevel[4] == '\0') {
41 _level = LevelFine;
42 } else if (strncmp("finer", G1LogLevel, 5) == 0 && G1LogLevel[5] == '\0') {
43 _level = LevelFiner;
44 } else if (strncmp("finest", G1LogLevel, 6) == 0 && G1LogLevel[6] == '\0') {
45 _level = LevelFinest;
46 } else {
47 warning("Unknown logging level '%s', should be one of 'fine', 'finer' or 'finest'.", G1LogLevel);
48 }
49 } else {
50 if (PrintGCDetails) {
51 _level = LevelFiner;
52 } else if (PrintGC) {
53 _level = LevelFine;
54 }
55 }
56 }