author | zgu |
Wed, 19 Jun 2019 08:52:15 -0400 | |
changeset 55428 | e9da3a44a7ed |
parent 55335 | f7cc25dda38a |
child 55444 | 6a7d6b6bbd78 |
permissions | -rw-r--r-- |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
1 |
/* |
54103
8b61a38be0c5
8220546: Shenandoah Reports timing details for weak root processing
zgu
parents:
54058
diff
changeset
|
2 |
* Copyright (c) 2015, 2019, Red Hat, Inc. All rights reserved. |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
3 |
* |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
4 |
* This code is free software; you can redistribute it and/or modify it |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
5 |
* under the terms of the GNU General Public License version 2 only, as |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
6 |
* published by the Free Software Foundation. |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
7 |
* |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
8 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
9 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
10 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
11 |
* version 2 for more details (a copy is included in the LICENSE file that |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
12 |
* accompanied this code). |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
13 |
* |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
14 |
* You should have received a copy of the GNU General Public License version |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
15 |
* 2 along with this work; if not, write to the Free Software Foundation, |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
16 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
17 |
* |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
18 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
19 |
* or visit www.oracle.com if you need additional information or have any |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
20 |
* questions. |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
21 |
* |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
22 |
*/ |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
23 |
|
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
24 |
#include "precompiled.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
25 |
|
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
26 |
#include "classfile/classLoaderDataGraph.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
27 |
#include "classfile/stringTable.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
28 |
#include "classfile/systemDictionary.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
29 |
#include "code/codeCache.hpp" |
54536
fb53a1c25903
8222425: Shenandoah: Move commonly used closures to separate files
zgu
parents:
54535
diff
changeset
|
30 |
#include "gc/shenandoah/shenandoahClosures.inline.hpp" |
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
31 |
#include "gc/shenandoah/shenandoahRootProcessor.inline.hpp" |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
32 |
#include "gc/shenandoah/shenandoahHeap.hpp" |
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
33 |
#include "gc/shenandoah/shenandoahHeuristics.hpp" |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
34 |
#include "gc/shenandoah/shenandoahPhaseTimings.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
35 |
#include "gc/shenandoah/shenandoahStringDedup.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
36 |
#include "gc/shenandoah/shenandoahTimingTracker.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
37 |
#include "gc/shenandoah/shenandoahVMOperations.hpp" |
54058
be40860e8227
8220444: Shenandoah should use parallel version of WeakProcessor in root processor for weak roots
zgu
parents:
53536
diff
changeset
|
38 |
#include "gc/shared/weakProcessor.inline.hpp" |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
39 |
#include "memory/allocation.inline.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
40 |
#include "memory/iterator.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
41 |
#include "memory/resourceArea.hpp" |
54825 | 42 |
#include "memory/universe.hpp" |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
43 |
#include "runtime/thread.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
44 |
#include "services/management.hpp" |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
45 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
46 |
ShenandoahSerialRoot::ShenandoahSerialRoot(ShenandoahSerialRoot::OopsDo oops_do, ShenandoahPhaseTimings::GCParPhases phase) : |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
47 |
_claimed(false), _oops_do(oops_do), _phase(phase) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
48 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
49 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
50 |
void ShenandoahSerialRoot::oops_do(OopClosure* cl, uint worker_id) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
51 |
if (!_claimed && Atomic::cmpxchg(true, &_claimed, false) == false) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
52 |
ShenandoahWorkerTimings* worker_times = ShenandoahHeap::heap()->phase_timings()->worker_times(); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
53 |
ShenandoahWorkerTimingsTracker timer(worker_times, _phase, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
54 |
_oops_do(cl); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
55 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
56 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
57 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
58 |
ShenandoahSerialRoots::ShenandoahSerialRoots() : |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
59 |
_universe_root(&Universe::oops_do, ShenandoahPhaseTimings::UniverseRoots), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
60 |
_object_synchronizer_root(&ObjectSynchronizer::oops_do, ShenandoahPhaseTimings::ObjectSynchronizerRoots), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
61 |
_management_root(&Management::oops_do, ShenandoahPhaseTimings::ManagementRoots), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
62 |
_system_dictionary_root(&SystemDictionary::oops_do, ShenandoahPhaseTimings::SystemDictionaryRoots), |
55335
f7cc25dda38a
8225572: Shenandoah: Move JNIHandles root out of serial roots
zgu
parents:
55119
diff
changeset
|
63 |
_jvmti_root(&JvmtiExport::oops_do, ShenandoahPhaseTimings::JVMTIRoots) { |
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
64 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
65 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
66 |
void ShenandoahSerialRoots::oops_do(OopClosure* cl, uint worker_id) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
67 |
_universe_root.oops_do(cl, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
68 |
_object_synchronizer_root.oops_do(cl, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
69 |
_management_root.oops_do(cl, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
70 |
_system_dictionary_root.oops_do(cl, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
71 |
_jvmti_root.oops_do(cl, worker_id); |
55335
f7cc25dda38a
8225572: Shenandoah: Move JNIHandles root out of serial roots
zgu
parents:
55119
diff
changeset
|
72 |
} |
f7cc25dda38a
8225572: Shenandoah: Move JNIHandles root out of serial roots
zgu
parents:
55119
diff
changeset
|
73 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
74 |
ShenandoahThreadRoots::ShenandoahThreadRoots(bool is_par) : _is_par(is_par) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
75 |
Threads::change_thread_claim_token(); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
76 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
77 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
78 |
void ShenandoahThreadRoots::oops_do(OopClosure* oops_cl, CodeBlobClosure* code_cl, uint worker_id) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
79 |
ShenandoahWorkerTimings* worker_times = ShenandoahHeap::heap()->phase_timings()->worker_times(); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
80 |
ShenandoahWorkerTimingsTracker timer(worker_times, ShenandoahPhaseTimings::ThreadRoots, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
81 |
ResourceMark rm; |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
82 |
Threads::possibly_parallel_oops_do(_is_par, oops_cl, code_cl); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
83 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
84 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
85 |
void ShenandoahThreadRoots::threads_do(ThreadClosure* tc, uint worker_id) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
86 |
ShenandoahWorkerTimings* worker_times = ShenandoahHeap::heap()->phase_timings()->worker_times(); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
87 |
ShenandoahWorkerTimingsTracker timer(worker_times, ShenandoahPhaseTimings::ThreadRoots, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
88 |
ResourceMark rm; |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
89 |
Threads::possibly_parallel_threads_do(_is_par, tc); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
90 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
91 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
92 |
ShenandoahThreadRoots::~ShenandoahThreadRoots() { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
93 |
Threads::assert_all_threads_claimed(); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
94 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
95 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
96 |
ShenandoahWeakRoots::ShenandoahWeakRoots(uint n_workers) : |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
97 |
_process_timings(n_workers), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
98 |
_task(&_process_timings, n_workers) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
99 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
100 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
101 |
ShenandoahWeakRoots::~ShenandoahWeakRoots() { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
102 |
ShenandoahWorkerTimings* worker_times = ShenandoahHeap::heap()->phase_timings()->worker_times(); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
103 |
ShenandoahTimingConverter::weak_processing_timing_to_shenandoah_timing(&_process_timings, |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
104 |
worker_times); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
105 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
106 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
107 |
ShenandoahStringDedupRoots::ShenandoahStringDedupRoots() { |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
108 |
if (ShenandoahStringDedup::is_enabled()) { |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
109 |
StringDedup::gc_prologue(false); |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
110 |
} |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
111 |
} |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
112 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
113 |
ShenandoahStringDedupRoots::~ShenandoahStringDedupRoots() { |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
114 |
if (ShenandoahStringDedup::is_enabled()) { |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
115 |
StringDedup::gc_epilogue(); |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
116 |
} |
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
117 |
} |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
118 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
119 |
void ShenandoahStringDedupRoots::oops_do(BoolObjectClosure* is_alive, OopClosure* keep_alive, uint worker_id) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
120 |
if (ShenandoahStringDedup::is_enabled()) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
121 |
ShenandoahStringDedup::parallel_oops_do(is_alive, keep_alive, worker_id); |
54103
8b61a38be0c5
8220546: Shenandoah Reports timing details for weak root processing
zgu
parents:
54058
diff
changeset
|
122 |
} |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
123 |
} |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
124 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
125 |
ShenandoahClassLoaderDataRoots::ShenandoahClassLoaderDataRoots() { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
126 |
ClassLoaderDataGraph::clear_claimed_marks(); |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
127 |
} |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
128 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
129 |
void ShenandoahClassLoaderDataRoots::clds_do(CLDClosure* strong_clds, CLDClosure* weak_clds, uint worker_id) { |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
130 |
ShenandoahWorkerTimings* worker_times = ShenandoahHeap::heap()->phase_timings()->worker_times(); |
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
131 |
ShenandoahWorkerTimingsTracker timer(worker_times, ShenandoahPhaseTimings::CLDGRoots, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
132 |
ClassLoaderDataGraph::roots_cld_do(strong_clds, weak_clds); |
54338
7a34a3270270
8221435: Shenandoah should not mark through weak roots
zgu
parents:
54103
diff
changeset
|
133 |
} |
7a34a3270270
8221435: Shenandoah should not mark through weak roots
zgu
parents:
54103
diff
changeset
|
134 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
135 |
ShenandoahRootProcessor::ShenandoahRootProcessor(ShenandoahPhaseTimings::Phase phase) : |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
136 |
_heap(ShenandoahHeap::heap()), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
137 |
_phase(phase) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
138 |
assert(SafepointSynchronize::is_at_safepoint(), "Must at safepoint"); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
139 |
_heap->phase_timings()->record_workers_start(_phase); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
140 |
} |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
141 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
142 |
ShenandoahRootProcessor::~ShenandoahRootProcessor() { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
143 |
assert(SafepointSynchronize::is_at_safepoint(), "Must at safepoint"); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
144 |
_heap->phase_timings()->record_workers_end(_phase); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
145 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
146 |
|
55428
e9da3a44a7ed
8225582: Shenandoah: Enable concurrent evacuation of JNIHandles
zgu
parents:
55335
diff
changeset
|
147 |
ShenandoahRootEvacuator::ShenandoahRootEvacuator(uint n_workers, ShenandoahPhaseTimings::Phase phase, bool include_concurrent_roots) : |
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
148 |
ShenandoahRootProcessor(phase), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
149 |
_thread_roots(n_workers > 1), |
55428
e9da3a44a7ed
8225582: Shenandoah: Enable concurrent evacuation of JNIHandles
zgu
parents:
55335
diff
changeset
|
150 |
_weak_roots(n_workers), |
e9da3a44a7ed
8225582: Shenandoah: Enable concurrent evacuation of JNIHandles
zgu
parents:
55335
diff
changeset
|
151 |
_include_concurrent_roots(include_concurrent_roots) { |
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
152 |
} |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
153 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
154 |
void ShenandoahRootEvacuator::roots_do(uint worker_id, OopClosure* oops) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
155 |
MarkingCodeBlobClosure blobsCl(oops, CodeBlobToOopClosure::FixRelocations); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
156 |
CLDToOopClosure clds(oops, ClassLoaderData::_claim_strong); |
54687 | 157 |
AlwaysTrueClosure always_true; |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
158 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
159 |
_serial_roots.oops_do(oops, worker_id); |
55428
e9da3a44a7ed
8225582: Shenandoah: Enable concurrent evacuation of JNIHandles
zgu
parents:
55335
diff
changeset
|
160 |
if (_include_concurrent_roots) { |
e9da3a44a7ed
8225582: Shenandoah: Enable concurrent evacuation of JNIHandles
zgu
parents:
55335
diff
changeset
|
161 |
_jni_roots.oops_do<OopClosure>(oops, worker_id); |
e9da3a44a7ed
8225582: Shenandoah: Enable concurrent evacuation of JNIHandles
zgu
parents:
55335
diff
changeset
|
162 |
} |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
163 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
164 |
_thread_roots.oops_do(oops, NULL, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
165 |
_cld_roots.clds_do(&clds, &clds, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
166 |
_code_roots.code_blobs_do(&blobsCl, worker_id); |
54423 | 167 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
168 |
_weak_roots.oops_do<AlwaysTrueClosure, OopClosure>(&always_true, oops, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
169 |
_dedup_roots.oops_do(&always_true, oops, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
170 |
} |
54423 | 171 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
172 |
ShenandoahRootUpdater::ShenandoahRootUpdater(uint n_workers, ShenandoahPhaseTimings::Phase phase, bool update_code_cache) : |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
173 |
ShenandoahRootProcessor(phase), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
174 |
_thread_roots(n_workers > 1), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
175 |
_weak_roots(n_workers), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
176 |
_update_code_cache(update_code_cache) { |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
177 |
} |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
178 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
179 |
ShenandoahRootAdjuster::ShenandoahRootAdjuster(uint n_workers, ShenandoahPhaseTimings::Phase phase) : |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
180 |
ShenandoahRootProcessor(phase), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
181 |
_thread_roots(n_workers > 1), |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
182 |
_weak_roots(n_workers) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
183 |
assert(ShenandoahHeap::heap()->is_full_gc_in_progress(), "Full GC only"); |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
184 |
} |
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
185 |
|
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
186 |
void ShenandoahRootAdjuster::roots_do(uint worker_id, OopClosure* oops) { |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
187 |
CodeBlobToOopClosure adjust_code_closure(oops, CodeBlobToOopClosure::FixRelocations); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
188 |
CLDToOopClosure adjust_cld_closure(oops, ClassLoaderData::_claim_strong); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
189 |
AlwaysTrueClosure always_true; |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
190 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
191 |
_serial_roots.oops_do(oops, worker_id); |
55335
f7cc25dda38a
8225572: Shenandoah: Move JNIHandles root out of serial roots
zgu
parents:
55119
diff
changeset
|
192 |
_jni_roots.oops_do(oops, worker_id); |
54924
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
193 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
194 |
_thread_roots.oops_do(oops, NULL, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
195 |
_cld_roots.clds_do(&adjust_cld_closure, NULL, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
196 |
_code_roots.code_blobs_do(&adjust_code_closure, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
197 |
|
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
198 |
_weak_roots.oops_do<AlwaysTrueClosure, OopClosure>(&always_true, oops, worker_id); |
ba1eccda5450
8223774: Shenandoah: Refactor ShenandoahRootProcessor and family
zgu
parents:
54882
diff
changeset
|
199 |
_dedup_roots.oops_do(&always_true, oops, worker_id); |
52925
9c18c9d839d3
8214259: Implementation: JEP 189: Shenandoah: A Low-Pause-Time Garbage Collector (Experimental)
rkennke
parents:
diff
changeset
|
200 |
} |