author | gziemski |
Tue, 14 Aug 2018 18:42:14 -0500 | |
changeset 51405 | 8b23aa7cef47 |
parent 50875 | 2217b2fc29ea |
child 51587 | b459c731901b |
permissions | -rw-r--r-- |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
1 |
/* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
2 |
* Copyright (c) 2015, 2018, Oracle and/or its affiliates. All rights reserved. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
4 |
* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
8 |
* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
13 |
* accompanied this code). |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
14 |
* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
18 |
* |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
21 |
* questions. |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
22 |
*/ |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
23 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
24 |
#include "precompiled.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
25 |
#include "classfile/classLoaderData.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
26 |
#include "classfile/stringTable.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
27 |
#include "classfile/systemDictionary.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
28 |
#include "code/codeCache.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
29 |
#include "compiler/oopMap.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
30 |
#include "gc/shared/oopStorageParState.inline.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
31 |
#include "gc/z/zGlobals.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
32 |
#include "gc/z/zNMethodTable.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
33 |
#include "gc/z/zOopClosures.inline.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
34 |
#include "gc/z/zRootsIterator.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
35 |
#include "gc/z/zStat.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
36 |
#include "gc/z/zThreadLocalData.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
37 |
#include "memory/resourceArea.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
38 |
#include "memory/universe.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
39 |
#include "prims/jvmtiExport.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
40 |
#include "runtime/atomic.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
41 |
#include "runtime/jniHandles.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
42 |
#include "runtime/thread.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
43 |
#include "runtime/safepoint.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
44 |
#include "runtime/synchronizer.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
45 |
#include "services/management.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
46 |
#include "utilities/debug.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
47 |
#if INCLUDE_JFR |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
48 |
#include "jfr/jfr.hpp" |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
49 |
#endif |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
50 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
51 |
static const ZStatSubPhase ZSubPhasePauseRootsSetup("Pause Roots Setup"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
52 |
static const ZStatSubPhase ZSubPhasePauseRoots("Pause Roots"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
53 |
static const ZStatSubPhase ZSubPhasePauseRootsTeardown("Pause Roots Teardown"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
54 |
static const ZStatSubPhase ZSubPhasePauseRootsUniverse("Pause Roots Universe"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
55 |
static const ZStatSubPhase ZSubPhasePauseRootsVMWeakHandles("Pause Roots VMWeakHandles"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
56 |
static const ZStatSubPhase ZSubPhasePauseRootsJNIHandles("Pause Roots JNIHandles"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
57 |
static const ZStatSubPhase ZSubPhasePauseRootsJNIWeakHandles("Pause Roots JNIWeakHandles"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
58 |
static const ZStatSubPhase ZSubPhasePauseRootsObjectSynchronizer("Pause Roots ObjectSynchronizer"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
59 |
static const ZStatSubPhase ZSubPhasePauseRootsManagement("Pause Roots Management"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
60 |
static const ZStatSubPhase ZSubPhasePauseRootsJVMTIExport("Pause Roots JVMTIExport"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
61 |
static const ZStatSubPhase ZSubPhasePauseRootsJVMTIWeakExport("Pause Roots JVMTIWeakExport"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
62 |
static const ZStatSubPhase ZSubPhasePauseRootsJFRWeak("Pause Roots JRFWeak"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
63 |
static const ZStatSubPhase ZSubPhasePauseRootsSystemDictionary("Pause Roots SystemDictionary"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
64 |
static const ZStatSubPhase ZSubPhasePauseRootsClassLoaderDataGraph("Pause Roots ClassLoaderDataGraph"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
65 |
static const ZStatSubPhase ZSubPhasePauseRootsThreads("Pause Roots Threads"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
66 |
static const ZStatSubPhase ZSubPhasePauseRootsCodeCache("Pause Roots CodeCache"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
67 |
static const ZStatSubPhase ZSubPhasePauseRootsStringTable("Pause Roots StringTable"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
68 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
69 |
static const ZStatSubPhase ZSubPhasePauseWeakRootsSetup("Pause Weak Roots Setup"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
70 |
static const ZStatSubPhase ZSubPhasePauseWeakRoots("Pause Weak Roots"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
71 |
static const ZStatSubPhase ZSubPhasePauseWeakRootsTeardown("Pause Weak Roots Teardown"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
72 |
static const ZStatSubPhase ZSubPhasePauseWeakRootsVMWeakHandles("Pause Weak Roots VMWeakHandles"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
73 |
static const ZStatSubPhase ZSubPhasePauseWeakRootsJNIWeakHandles("Pause Weak Roots JNIWeakHandles"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
74 |
static const ZStatSubPhase ZSubPhasePauseWeakRootsJVMTIWeakExport("Pause Weak Roots JVMTIWeakExport"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
75 |
static const ZStatSubPhase ZSubPhasePauseWeakRootsJFRWeak("Pause Weak Roots JFRWeak"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
76 |
static const ZStatSubPhase ZSubPhasePauseWeakRootsStringTable("Pause Weak Roots StringTable"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
77 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
78 |
static const ZStatSubPhase ZSubPhaseConcurrentWeakRoots("Concurrent Weak Roots"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
79 |
static const ZStatSubPhase ZSubPhaseConcurrentWeakRootsVMWeakHandles("Concurrent Weak Roots VMWeakHandles"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
80 |
static const ZStatSubPhase ZSubPhaseConcurrentWeakRootsJNIWeakHandles("Concurrent Weak Roots JNIWeakHandles"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
81 |
static const ZStatSubPhase ZSubPhaseConcurrentWeakRootsStringTable("Concurrent Weak Roots StringTable"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
82 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
83 |
template <typename T, void (T::*F)(OopClosure*)> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
84 |
ZSerialOopsDo<T, F>::ZSerialOopsDo(T* iter) : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
85 |
_iter(iter), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
86 |
_claimed(false) {} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
87 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
88 |
template <typename T, void (T::*F)(OopClosure*)> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
89 |
void ZSerialOopsDo<T, F>::oops_do(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
90 |
if (!_claimed && Atomic::cmpxchg(true, &_claimed, false) == false) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
91 |
(_iter->*F)(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
92 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
93 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
94 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
95 |
template <typename T, void (T::*F)(OopClosure*)> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
96 |
ZParallelOopsDo<T, F>::ZParallelOopsDo(T* iter) : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
97 |
_iter(iter), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
98 |
_completed(false) {} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
99 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
100 |
template <typename T, void (T::*F)(OopClosure*)> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
101 |
void ZParallelOopsDo<T, F>::oops_do(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
102 |
if (!_completed) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
103 |
(_iter->*F)(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
104 |
if (!_completed) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
105 |
_completed = true; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
106 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
107 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
108 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
109 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
110 |
template <typename T, void (T::*F)(BoolObjectClosure*, OopClosure*)> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
111 |
ZSerialWeakOopsDo<T, F>::ZSerialWeakOopsDo(T* iter) : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
112 |
_iter(iter), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
113 |
_claimed(false) {} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
114 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
115 |
template <typename T, void (T::*F)(BoolObjectClosure*, OopClosure*)> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
116 |
void ZSerialWeakOopsDo<T, F>::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
117 |
if (!_claimed && Atomic::cmpxchg(true, &_claimed, false) == false) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
118 |
(_iter->*F)(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
119 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
120 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
121 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
122 |
template <typename T, void (T::*F)(BoolObjectClosure*, OopClosure*)> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
123 |
ZParallelWeakOopsDo<T, F>::ZParallelWeakOopsDo(T* iter) : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
124 |
_iter(iter), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
125 |
_completed(false) {} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
126 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
127 |
template <typename T, void (T::*F)(BoolObjectClosure*, OopClosure*)> |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
128 |
void ZParallelWeakOopsDo<T, F>::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
129 |
if (!_completed) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
130 |
(_iter->*F)(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
131 |
if (!_completed) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
132 |
_completed = true; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
133 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
134 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
135 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
136 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
137 |
ZRootsIterator::ZRootsIterator() : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
138 |
_vm_weak_handles_iter(SystemDictionary::vm_weak_oop_storage()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
139 |
_jni_handles_iter(JNIHandles::global_handles()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
140 |
_jni_weak_handles_iter(JNIHandles::weak_global_handles()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
141 |
_string_table_iter(StringTable::weak_storage()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
142 |
_universe(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
143 |
_object_synchronizer(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
144 |
_management(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
145 |
_jvmti_export(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
146 |
_jvmti_weak_export(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
147 |
_jfr_weak(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
148 |
_system_dictionary(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
149 |
_vm_weak_handles(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
150 |
_jni_handles(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
151 |
_jni_weak_handles(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
152 |
_class_loader_data_graph(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
153 |
_threads(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
154 |
_code_cache(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
155 |
_string_table(this) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
156 |
assert(SafepointSynchronize::is_at_safepoint(), "Should be at safepoint"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
157 |
ZStatTimer timer(ZSubPhasePauseRootsSetup); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
158 |
Threads::change_thread_claim_parity(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
159 |
ClassLoaderDataGraph::clear_claimed_marks(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
160 |
COMPILER2_PRESENT(DerivedPointerTable::clear()); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
161 |
CodeCache::gc_prologue(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
162 |
ZNMethodTable::gc_prologue(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
163 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
164 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
165 |
ZRootsIterator::~ZRootsIterator() { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
166 |
ZStatTimer timer(ZSubPhasePauseRootsTeardown); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
167 |
ResourceMark rm; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
168 |
ZNMethodTable::gc_epilogue(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
169 |
CodeCache::gc_epilogue(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
170 |
JvmtiExport::gc_epilogue(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
171 |
COMPILER2_PRESENT(DerivedPointerTable::update_pointers()); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
172 |
Threads::assert_all_threads_claimed(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
173 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
174 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
175 |
void ZRootsIterator::do_universe(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
176 |
ZStatTimer timer(ZSubPhasePauseRootsUniverse); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
177 |
Universe::oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
178 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
179 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
180 |
void ZRootsIterator::do_vm_weak_handles(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
181 |
ZStatTimer timer(ZSubPhasePauseRootsVMWeakHandles); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
182 |
_vm_weak_handles_iter.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
183 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
184 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
185 |
void ZRootsIterator::do_jni_handles(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
186 |
ZStatTimer timer(ZSubPhasePauseRootsJNIHandles); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
187 |
_jni_handles_iter.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
188 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
189 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
190 |
void ZRootsIterator::do_jni_weak_handles(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
191 |
ZStatTimer timer(ZSubPhasePauseRootsJNIWeakHandles); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
192 |
_jni_weak_handles_iter.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
193 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
194 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
195 |
void ZRootsIterator::do_object_synchronizer(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
196 |
ZStatTimer timer(ZSubPhasePauseRootsObjectSynchronizer); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
197 |
ObjectSynchronizer::oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
198 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
199 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
200 |
void ZRootsIterator::do_management(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
201 |
ZStatTimer timer(ZSubPhasePauseRootsManagement); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
202 |
Management::oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
203 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
204 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
205 |
void ZRootsIterator::do_jvmti_export(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
206 |
ZStatTimer timer(ZSubPhasePauseRootsJVMTIExport); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
207 |
JvmtiExport::oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
208 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
209 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
210 |
void ZRootsIterator::do_jvmti_weak_export(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
211 |
ZStatTimer timer(ZSubPhasePauseRootsJVMTIWeakExport); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
212 |
AlwaysTrueClosure always_alive; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
213 |
JvmtiExport::weak_oops_do(&always_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
214 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
215 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
216 |
void ZRootsIterator::do_jfr_weak(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
217 |
#if INCLUDE_JFR |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
218 |
ZStatTimer timer(ZSubPhasePauseRootsJFRWeak); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
219 |
AlwaysTrueClosure always_alive; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
220 |
Jfr::weak_oops_do(&always_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
221 |
#endif |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
222 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
223 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
224 |
void ZRootsIterator::do_system_dictionary(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
225 |
ZStatTimer timer(ZSubPhasePauseRootsSystemDictionary); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
226 |
SystemDictionary::oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
227 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
228 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
229 |
void ZRootsIterator::do_class_loader_data_graph(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
230 |
ZStatTimer timer(ZSubPhasePauseRootsClassLoaderDataGraph); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
231 |
CLDToOopClosure cld_cl(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
232 |
ClassLoaderDataGraph::cld_do(&cld_cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
233 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
234 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
235 |
class ZRootsIteratorThreadClosure : public ThreadClosure { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
236 |
private: |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
237 |
OopClosure* const _cl; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
238 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
239 |
public: |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
240 |
ZRootsIteratorThreadClosure(OopClosure* cl) : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
241 |
_cl(cl) {} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
242 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
243 |
virtual void do_thread(Thread* thread) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
244 |
if (thread->is_Java_thread()) { |
50875
2217b2fc29ea
8205993: ZGC: Fix typos and incorrect indentations
pliden
parents:
50556
diff
changeset
|
245 |
// Update thread local address bad mask |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
246 |
ZThreadLocalData::set_address_bad_mask(thread, ZAddressBadMask); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
247 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
248 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
249 |
// Process thread oops |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
250 |
thread->oops_do(_cl, NULL); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
251 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
252 |
}; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
253 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
254 |
void ZRootsIterator::do_threads(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
255 |
ZStatTimer timer(ZSubPhasePauseRootsThreads); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
256 |
ResourceMark rm; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
257 |
ZRootsIteratorThreadClosure thread_cl(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
258 |
Threads::possibly_parallel_threads_do(true, &thread_cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
259 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
260 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
261 |
void ZRootsIterator::do_code_cache(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
262 |
ZStatTimer timer(ZSubPhasePauseRootsCodeCache); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
263 |
ZNMethodTable::oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
264 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
265 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
266 |
void ZRootsIterator::do_string_table(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
267 |
ZStatTimer timer(ZSubPhasePauseRootsStringTable); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
268 |
_string_table_iter.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
269 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
270 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
271 |
void ZRootsIterator::oops_do(OopClosure* cl, bool visit_jvmti_weak_export) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
272 |
ZStatTimer timer(ZSubPhasePauseRoots); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
273 |
_universe.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
274 |
_object_synchronizer.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
275 |
_management.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
276 |
_jvmti_export.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
277 |
_system_dictionary.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
278 |
_jni_handles.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
279 |
_class_loader_data_graph.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
280 |
_threads.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
281 |
_code_cache.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
282 |
if (!ZWeakRoots) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
283 |
_jvmti_weak_export.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
284 |
_jfr_weak.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
285 |
_vm_weak_handles.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
286 |
_jni_weak_handles.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
287 |
_string_table.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
288 |
} else { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
289 |
if (visit_jvmti_weak_export) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
290 |
_jvmti_weak_export.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
291 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
292 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
293 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
294 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
295 |
ZWeakRootsIterator::ZWeakRootsIterator() : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
296 |
_vm_weak_handles_iter(SystemDictionary::vm_weak_oop_storage()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
297 |
_jni_weak_handles_iter(JNIHandles::weak_global_handles()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
298 |
_string_table_iter(StringTable::weak_storage()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
299 |
_jvmti_weak_export(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
300 |
_jfr_weak(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
301 |
_vm_weak_handles(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
302 |
_jni_weak_handles(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
303 |
_string_table(this) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
304 |
assert(SafepointSynchronize::is_at_safepoint(), "Should be at safepoint"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
305 |
ZStatTimer timer(ZSubPhasePauseWeakRootsSetup); |
50556
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
306 |
StringTable::reset_dead_counter(); |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
307 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
308 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
309 |
ZWeakRootsIterator::~ZWeakRootsIterator() { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
310 |
ZStatTimer timer(ZSubPhasePauseWeakRootsTeardown); |
50556
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
311 |
StringTable::finish_dead_counter(); |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
312 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
313 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
314 |
void ZWeakRootsIterator::do_vm_weak_handles(BoolObjectClosure* is_alive, OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
315 |
ZStatTimer timer(ZSubPhasePauseWeakRootsVMWeakHandles); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
316 |
_vm_weak_handles_iter.weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
317 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
318 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
319 |
void ZWeakRootsIterator::do_jni_weak_handles(BoolObjectClosure* is_alive, OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
320 |
ZStatTimer timer(ZSubPhasePauseWeakRootsJNIWeakHandles); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
321 |
_jni_weak_handles_iter.weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
322 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
323 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
324 |
void ZWeakRootsIterator::do_jvmti_weak_export(BoolObjectClosure* is_alive, OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
325 |
ZStatTimer timer(ZSubPhasePauseWeakRootsJVMTIWeakExport); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
326 |
JvmtiExport::weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
327 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
328 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
329 |
void ZWeakRootsIterator::do_jfr_weak(BoolObjectClosure* is_alive, OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
330 |
#if INCLUDE_JFR |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
331 |
ZStatTimer timer(ZSubPhasePauseWeakRootsJFRWeak); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
332 |
Jfr::weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
333 |
#endif |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
334 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
335 |
|
50556
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
336 |
class ZStringTableDeadCounterBoolObjectClosure : public BoolObjectClosure { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
337 |
private: |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
338 |
BoolObjectClosure* const _cl; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
339 |
size_t _ndead; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
340 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
341 |
public: |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
342 |
ZStringTableDeadCounterBoolObjectClosure(BoolObjectClosure* cl) : |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
343 |
_cl(cl), |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
344 |
_ndead(0) {} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
345 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
346 |
~ZStringTableDeadCounterBoolObjectClosure() { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
347 |
StringTable::inc_dead_counter(_ndead); |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
348 |
} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
349 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
350 |
virtual bool do_object_b(oop obj) { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
351 |
if (_cl->do_object_b(obj)) { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
352 |
return true; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
353 |
} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
354 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
355 |
_ndead++; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
356 |
return false; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
357 |
} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
358 |
}; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
359 |
|
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
360 |
void ZWeakRootsIterator::do_string_table(BoolObjectClosure* is_alive, OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
361 |
ZStatTimer timer(ZSubPhasePauseWeakRootsStringTable); |
50556
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
362 |
ZStringTableDeadCounterBoolObjectClosure counter_is_alive(is_alive); |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
363 |
_string_table_iter.weak_oops_do(&counter_is_alive, cl); |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
364 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
365 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
366 |
void ZWeakRootsIterator::weak_oops_do(BoolObjectClosure* is_alive, OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
367 |
ZStatTimer timer(ZSubPhasePauseWeakRoots); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
368 |
if (ZWeakRoots) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
369 |
_jvmti_weak_export.weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
370 |
_jfr_weak.weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
371 |
if (!ZConcurrentVMWeakHandles) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
372 |
_vm_weak_handles.weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
373 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
374 |
if (!ZConcurrentJNIWeakGlobalHandles) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
375 |
_jni_weak_handles.weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
376 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
377 |
if (!ZConcurrentStringTable) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
378 |
_string_table.weak_oops_do(is_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
379 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
380 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
381 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
382 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
383 |
void ZWeakRootsIterator::oops_do(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
384 |
AlwaysTrueClosure always_alive; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
385 |
weak_oops_do(&always_alive, cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
386 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
387 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
388 |
ZConcurrentWeakRootsIterator::ZConcurrentWeakRootsIterator() : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
389 |
_vm_weak_handles_iter(SystemDictionary::vm_weak_oop_storage()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
390 |
_jni_weak_handles_iter(JNIHandles::weak_global_handles()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
391 |
_string_table_iter(StringTable::weak_storage()), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
392 |
_vm_weak_handles(this), |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
393 |
_jni_weak_handles(this), |
50556
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
394 |
_string_table(this) { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
395 |
StringTable::reset_dead_counter(); |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
396 |
} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
397 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
398 |
ZConcurrentWeakRootsIterator::~ZConcurrentWeakRootsIterator() { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
399 |
StringTable::finish_dead_counter(); |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
400 |
} |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
401 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
402 |
void ZConcurrentWeakRootsIterator::do_vm_weak_handles(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
403 |
ZStatTimer timer(ZSubPhaseConcurrentWeakRootsVMWeakHandles); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
404 |
_vm_weak_handles_iter.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
405 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
406 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
407 |
void ZConcurrentWeakRootsIterator::do_jni_weak_handles(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
408 |
ZStatTimer timer(ZSubPhaseConcurrentWeakRootsJNIWeakHandles); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
409 |
_jni_weak_handles_iter.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
410 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
411 |
|
50556
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
412 |
class ZStringTableDeadCounterOopClosure : public OopClosure { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
413 |
private: |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
414 |
OopClosure* const _cl; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
415 |
size_t _ndead; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
416 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
417 |
public: |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
418 |
ZStringTableDeadCounterOopClosure(OopClosure* cl) : |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
419 |
_cl(cl), |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
420 |
_ndead(0) {} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
421 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
422 |
~ZStringTableDeadCounterOopClosure() { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
423 |
StringTable::inc_dead_counter(_ndead); |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
424 |
} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
425 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
426 |
virtual void do_oop(oop* p) { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
427 |
_cl->do_oop(p); |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
428 |
if (*p == NULL) { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
429 |
_ndead++; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
430 |
} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
431 |
} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
432 |
|
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
433 |
virtual void do_oop(narrowOop* p) { |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
434 |
ShouldNotReachHere(); |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
435 |
} |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
436 |
}; |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
437 |
|
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
438 |
void ZConcurrentWeakRootsIterator::do_string_table(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
439 |
ZStatTimer timer(ZSubPhaseConcurrentWeakRootsStringTable); |
50556
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
440 |
ZStringTableDeadCounterOopClosure counter_cl(cl); |
e5a40146791b
8204613: StringTable: Calculates wrong number of uncleaned items.
rehn
parents:
50525
diff
changeset
|
441 |
_string_table_iter.oops_do(&counter_cl); |
50525
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
442 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
443 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
444 |
void ZConcurrentWeakRootsIterator::oops_do(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
445 |
ZStatTimer timer(ZSubPhaseConcurrentWeakRoots); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
446 |
if (ZWeakRoots) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
447 |
if (ZConcurrentVMWeakHandles) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
448 |
_vm_weak_handles.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
449 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
450 |
if (ZConcurrentJNIWeakGlobalHandles) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
451 |
_jni_weak_handles.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
452 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
453 |
if (ZConcurrentStringTable) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
454 |
_string_table.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
455 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
456 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
457 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
458 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
459 |
ZThreadRootsIterator::ZThreadRootsIterator() : |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
460 |
_threads(this) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
461 |
assert(SafepointSynchronize::is_at_safepoint(), "Should be at safepoint"); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
462 |
ZStatTimer timer(ZSubPhasePauseRootsSetup); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
463 |
Threads::change_thread_claim_parity(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
464 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
465 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
466 |
ZThreadRootsIterator::~ZThreadRootsIterator() { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
467 |
ZStatTimer timer(ZSubPhasePauseRootsTeardown); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
468 |
Threads::assert_all_threads_claimed(); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
469 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
470 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
471 |
void ZThreadRootsIterator::do_threads(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
472 |
ZStatTimer timer(ZSubPhasePauseRootsThreads); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
473 |
ResourceMark rm; |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
474 |
Threads::possibly_parallel_oops_do(true, cl, NULL); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
475 |
} |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
476 |
|
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
477 |
void ZThreadRootsIterator::oops_do(OopClosure* cl) { |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
478 |
ZStatTimer timer(ZSubPhasePauseRoots); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
479 |
_threads.oops_do(cl); |
767cdb97f103
8204210: Implementation: JEP 333: ZGC: A Scalable Low-Latency Garbage Collector (Experimental)
pliden
parents:
diff
changeset
|
480 |
} |