Mercurial > hg > graal-jvmci-8
annotate src/share/vm/gc_implementation/g1/g1MarkSweep.hpp @ 1611:215576b54709
6946048: G1: improvements to +PrintGCDetails output
Summary: Small improvements to G1's PrintGCDetails output. It also includes minor formatting details.
Reviewed-by: ysr, johnc
author | tonyp |
---|---|
date | Thu, 22 Apr 2010 15:20:16 -0400 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
---|---|
342 | 1 /* |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
342
diff
changeset
|
2 * Copyright (c) 2001, 2007, Oracle and/or its affiliates. All rights reserved. |
342 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
342
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
342
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
342
diff
changeset
|
21 * questions. |
342 | 22 * |
23 */ | |
24 | |
25 class ReferenceProcessor; | |
26 | |
27 // G1MarkSweep takes care of global mark-compact garbage collection for a | |
28 // G1CollectedHeap using a four-phase pointer forwarding algorithm. All | |
29 // generations are assumed to support marking; those that can also support | |
30 // compaction. | |
31 // | |
32 // Class unloading will only occur when a full gc is invoked. | |
33 | |
34 | |
35 class G1MarkSweep : AllStatic { | |
36 friend class VM_G1MarkSweep; | |
37 friend class Scavenge; | |
38 | |
39 public: | |
40 | |
41 static void invoke_at_safepoint(ReferenceProcessor* rp, | |
42 bool clear_all_softrefs); | |
43 | |
44 private: | |
45 | |
46 // Mark live objects | |
47 static void mark_sweep_phase1(bool& marked_for_deopt, | |
48 bool clear_all_softrefs); | |
49 // Calculate new addresses | |
50 static void mark_sweep_phase2(); | |
51 // Update pointers | |
52 static void mark_sweep_phase3(); | |
53 // Move objects to new positions | |
54 static void mark_sweep_phase4(); | |
55 | |
56 static void allocate_stacks(); | |
57 }; |