author | chegar |
Thu, 17 Oct 2019 20:54:25 +0100 | |
branch | datagramsocketimpl-branch |
changeset 58679 | 9c3209ff7550 |
parent 58678 | 9cf78a70fa4f |
parent 58059 | baa4dd528de0 |
permissions | -rw-r--r-- |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
1 |
/* |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
2 |
* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
4 |
* |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
8 |
* |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
13 |
* accompanied this code). |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
14 |
* |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
18 |
* |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
21 |
* questions. |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
22 |
* |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
23 |
*/ |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
24 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
25 |
#include "precompiled.hpp" |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
26 |
#include "gc/g1/g1RedirtyCardsQueue.hpp" |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
27 |
#include "runtime/atomic.hpp" |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
28 |
#include "utilities/debug.hpp" |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
29 |
#include "utilities/macros.hpp" |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
30 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
31 |
// G1RedirtyCardsQueueBase::LocalQSet |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
32 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
33 |
G1RedirtyCardsQueueBase::LocalQSet::LocalQSet(G1RedirtyCardsQueueSet* shared_qset) : |
58059
baa4dd528de0
8221361: Eliminate two-phase initialization for PtrQueueSet classes
kbarrett
parents:
57890
diff
changeset
|
34 |
PtrQueueSet(shared_qset->allocator()), |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
35 |
_shared_qset(shared_qset), |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
36 |
_buffers() |
58059
baa4dd528de0
8221361: Eliminate two-phase initialization for PtrQueueSet classes
kbarrett
parents:
57890
diff
changeset
|
37 |
{} |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
38 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
39 |
G1RedirtyCardsQueueBase::LocalQSet::~LocalQSet() { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
40 |
assert(_buffers._head == NULL, "unflushed qset"); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
41 |
assert(_buffers._tail == NULL, "invariant"); |
57507
f6b30bd6804e
8227719: G1 Pending cards estimation too conservative in cost prediction
tschatzl
parents:
55752
diff
changeset
|
42 |
assert(_buffers._entry_count == 0, "invariant"); |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
43 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
44 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
45 |
void G1RedirtyCardsQueueBase::LocalQSet::enqueue_completed_buffer(BufferNode* node) { |
57507
f6b30bd6804e
8227719: G1 Pending cards estimation too conservative in cost prediction
tschatzl
parents:
55752
diff
changeset
|
46 |
_buffers._entry_count += buffer_size() - node->index(); |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
47 |
node->set_next(_buffers._head); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
48 |
_buffers._head = node; |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
49 |
if (_buffers._tail == NULL) { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
50 |
_buffers._tail = node; |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
51 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
52 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
53 |
|
57890
6bb824c45df1
8230192: Rename G1RedirtyCardsBufferList to G1BufferNodeList
kbarrett
parents:
57785
diff
changeset
|
54 |
G1BufferNodeList G1RedirtyCardsQueueBase::LocalQSet::take_all_completed_buffers() { |
6bb824c45df1
8230192: Rename G1RedirtyCardsBufferList to G1BufferNodeList
kbarrett
parents:
57785
diff
changeset
|
55 |
G1BufferNodeList result = _buffers; |
6bb824c45df1
8230192: Rename G1RedirtyCardsBufferList to G1BufferNodeList
kbarrett
parents:
57785
diff
changeset
|
56 |
_buffers = G1BufferNodeList(); |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
57 |
return result; |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
58 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
59 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
60 |
void G1RedirtyCardsQueueBase::LocalQSet::flush() { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
61 |
_shared_qset->merge_bufferlist(this); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
62 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
63 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
64 |
// G1RedirtyCardsQueue |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
65 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
66 |
G1RedirtyCardsQueue::G1RedirtyCardsQueue(G1RedirtyCardsQueueSet* qset) : |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
67 |
G1RedirtyCardsQueueBase(qset), // Init _local_qset before passing to PtrQueue. |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
68 |
PtrQueue(&_local_qset, true /* active (always) */) |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
69 |
{} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
70 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
71 |
G1RedirtyCardsQueue::~G1RedirtyCardsQueue() { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
72 |
flush(); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
73 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
74 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
75 |
void G1RedirtyCardsQueue::handle_completed_buffer() { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
76 |
enqueue_completed_buffer(); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
77 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
78 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
79 |
void G1RedirtyCardsQueue::flush() { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
80 |
flush_impl(); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
81 |
_local_qset.flush(); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
82 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
83 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
84 |
// G1RedirtyCardsQueueSet |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
85 |
|
57785
8d9362f3b8aa
8229044: G1RedirtyCardsQueueSet should be local to a collection
kbarrett
parents:
57507
diff
changeset
|
86 |
G1RedirtyCardsQueueSet::G1RedirtyCardsQueueSet(BufferNode::Allocator* allocator) : |
58059
baa4dd528de0
8221361: Eliminate two-phase initialization for PtrQueueSet classes
kbarrett
parents:
57890
diff
changeset
|
87 |
PtrQueueSet(allocator), |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
88 |
_list(), |
57507
f6b30bd6804e
8227719: G1 Pending cards estimation too conservative in cost prediction
tschatzl
parents:
55752
diff
changeset
|
89 |
_entry_count(0), |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
90 |
_tail(NULL) |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
91 |
DEBUG_ONLY(COMMA _collecting(true)) |
58059
baa4dd528de0
8221361: Eliminate two-phase initialization for PtrQueueSet classes
kbarrett
parents:
57890
diff
changeset
|
92 |
{} |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
93 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
94 |
G1RedirtyCardsQueueSet::~G1RedirtyCardsQueueSet() { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
95 |
verify_empty(); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
96 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
97 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
98 |
#ifdef ASSERT |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
99 |
void G1RedirtyCardsQueueSet::verify_empty() const { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
100 |
assert(_list.empty(), "precondition"); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
101 |
assert(_tail == NULL, "invariant"); |
57507
f6b30bd6804e
8227719: G1 Pending cards estimation too conservative in cost prediction
tschatzl
parents:
55752
diff
changeset
|
102 |
assert(_entry_count == 0, "invariant"); |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
103 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
104 |
#endif // ASSERT |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
105 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
106 |
BufferNode* G1RedirtyCardsQueueSet::all_completed_buffers() const { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
107 |
DEBUG_ONLY(_collecting = false;) |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
108 |
return _list.top(); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
109 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
110 |
|
57890
6bb824c45df1
8230192: Rename G1RedirtyCardsBufferList to G1BufferNodeList
kbarrett
parents:
57785
diff
changeset
|
111 |
G1BufferNodeList G1RedirtyCardsQueueSet::take_all_completed_buffers() { |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
112 |
DEBUG_ONLY(_collecting = false;) |
57890
6bb824c45df1
8230192: Rename G1RedirtyCardsBufferList to G1BufferNodeList
kbarrett
parents:
57785
diff
changeset
|
113 |
G1BufferNodeList result(_list.pop_all(), _tail, _entry_count); |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
114 |
_tail = NULL; |
57507
f6b30bd6804e
8227719: G1 Pending cards estimation too conservative in cost prediction
tschatzl
parents:
55752
diff
changeset
|
115 |
_entry_count = 0; |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
116 |
DEBUG_ONLY(_collecting = true;) |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
117 |
return result; |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
118 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
119 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
120 |
void G1RedirtyCardsQueueSet::update_tail(BufferNode* node) { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
121 |
// Node is the tail of a (possibly single element) list just prepended to |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
122 |
// _list. If, after that prepend, node's follower is NULL, then node is |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
123 |
// also the tail of _list, so record it as such. |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
124 |
if (node->next() == NULL) { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
125 |
assert(_tail == NULL, "invariant"); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
126 |
_tail = node; |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
127 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
128 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
129 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
130 |
void G1RedirtyCardsQueueSet::enqueue_completed_buffer(BufferNode* node) { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
131 |
assert(_collecting, "precondition"); |
57507
f6b30bd6804e
8227719: G1 Pending cards estimation too conservative in cost prediction
tschatzl
parents:
55752
diff
changeset
|
132 |
Atomic::add(buffer_size() - node->index(), &_entry_count); |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
133 |
_list.push(*node); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
134 |
update_tail(node); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
135 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
136 |
|
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
137 |
void G1RedirtyCardsQueueSet::merge_bufferlist(LocalQSet* src) { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
138 |
assert(_collecting, "precondition"); |
57890
6bb824c45df1
8230192: Rename G1RedirtyCardsBufferList to G1BufferNodeList
kbarrett
parents:
57785
diff
changeset
|
139 |
const G1BufferNodeList from = src->take_all_completed_buffers(); |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
140 |
if (from._head != NULL) { |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
141 |
assert(from._tail != NULL, "invariant"); |
57507
f6b30bd6804e
8227719: G1 Pending cards estimation too conservative in cost prediction
tschatzl
parents:
55752
diff
changeset
|
142 |
Atomic::add(from._entry_count, &_entry_count); |
55752
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
143 |
_list.prepend(*from._head, *from._tail); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
144 |
update_tail(from._tail); |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
145 |
} |
8ae33203d600
8162929: Enqueuing dirty cards into a single DCQS during GC does not scale
kbarrett
parents:
diff
changeset
|
146 |
} |