Mercurial > hg > graal-compiler

annotate src/share/vm/gc_implementation/g1/concurrentG1RefineThread.hpp @ 1552:c18cbe5936b8

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6941466: Oracle rebranding changes for Hotspot repositories Summary: Change all the Sun copyrights to Oracle copyright Reviewed-by: ohair
author trims
date Thu, 27 May 2010 19:08:38 -0700
parents 44f61c24ddab
children f95d63e2154a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
1 /*
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1111
diff changeset
2 * Copyright (c) 2001, 2009, Oracle and/or its affiliates. All rights reserved.
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
4 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
5 * This code is free software; you can redistribute it and/or modify it
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
6 * under the terms of the GNU General Public License version 2 only, as
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
7 * published by the Free Software Foundation.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
8 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
9 * This code is distributed in the hope that it will be useful, but WITHOUT
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
12 * version 2 for more details (a copy is included in the LICENSE file that
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
13 * accompanied this code).
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
14 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
15 * You should have received a copy of the GNU General Public License version
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
16 * 2 along with this work; if not, write to the Free Software Foundation,
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
18 *
1552
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1111
diff changeset
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
c18cbe5936b8 6941466: Oracle rebranding changes for Hotspot repositories
trims
parents: 1111
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: 1111
diff changeset
21 * questions.
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
22 *
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
23 */
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
24
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
25 // Forward Decl.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
26 class ConcurrentG1Refine;
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
27
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
28 // The G1 Concurrent Refinement Thread (could be several in the future).
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
29
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
30 class ConcurrentG1RefineThread: public ConcurrentGCThread {
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
31 friend class VMStructs;
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
32 friend class G1CollectedHeap;
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
33
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
34 double _vtime_start; // Initial virtual time.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
35 double _vtime_accum; // Initial virtual time.
794
315a5d70b295 6484957: G1: parallel concurrent refinement
iveresov
parents: 342
diff changeset
36 int _worker_id;
795
215f81b4d9b3 6841831: G1: assert(contains_reference(from),"We just added it!") fires
iveresov
parents: 794
diff changeset
37 int _worker_id_offset;
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
38
794
315a5d70b295 6484957: G1: parallel concurrent refinement
iveresov
parents: 342
diff changeset
39 // The refinement threads collection is linked list. A predecessor can activate a successor
315a5d70b295 6484957: G1: parallel concurrent refinement
iveresov
parents: 342
diff changeset
40 // when the number of the rset update buffer crosses a certain threshold. A successor
315a5d70b295 6484957: G1: parallel concurrent refinement
iveresov
parents: 342
diff changeset
41 // would self-deactivate when the number of the buffers falls below the threshold.
315a5d70b295 6484957: G1: parallel concurrent refinement
iveresov
parents: 342
diff changeset
42 bool _active;
1111
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
43 ConcurrentG1RefineThread* _next;
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
44 Monitor* _monitor;
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
45 ConcurrentG1Refine* _cg1r;
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
46
1111
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
47 int _thread_threshold_step;
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
48 // This thread activation threshold
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
49 int _threshold;
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
50 // This thread deactivation threshold
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
51 int _deactivation_threshold;
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
52
1111
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
53 void sample_young_list_rs_lengths();
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
54 void run_young_rs_sampling();
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
55 void wait_for_completed_buffers();
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
56
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
57 void set_active(bool x) { _active = x; }
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
58 bool is_active();
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
59 void activate();
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
60 void deactivate();
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
61
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
62 // For use by G1CollectedHeap, which is a friend.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
63 static SuspendibleThreadSet* sts() { return &_sts; }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
64
1111
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
65 public:
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
66 virtual void run();
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
67 // Constructor
795
215f81b4d9b3 6841831: G1: assert(contains_reference(from),"We just added it!") fires
iveresov
parents: 794
diff changeset
68 ConcurrentG1RefineThread(ConcurrentG1Refine* cg1r, ConcurrentG1RefineThread* next,
215f81b4d9b3 6841831: G1: assert(contains_reference(from),"We just added it!") fires
iveresov
parents: 794
diff changeset
69 int worker_id_offset, int worker_id);
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
70
1111
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
71 void initialize();
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
72
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
73 // Printing
1019
035d2e036a9b 6885041: G1: inconsistent thread dump
tonyp
parents: 936
diff changeset
74 void print() const;
035d2e036a9b 6885041: G1: inconsistent thread dump
tonyp
parents: 936
diff changeset
75 void print_on(outputStream* st) const;
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
76
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
77 // Total virtual time so far.
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
78 double vtime_accum() { return _vtime_accum; }
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
79
1111
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
80 ConcurrentG1Refine* cg1r() { return _cg1r; }
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
81
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
82 // Yield for GC
1111
44f61c24ddab 6862387: tune concurrent refinement further
iveresov
parents: 1019
diff changeset
83 void yield();
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
84 // shutdown
794
315a5d70b295 6484957: G1: parallel concurrent refinement
iveresov
parents: 342
diff changeset
85 void stop();
342
37f87013dfd8 6711316: Open source the Garbage-First garbage collector
ysr
parents:
diff changeset
86 };