author | pliden |
Wed, 20 Nov 2019 10:37:45 +0100 | |
changeset 59147 | e735301d76b9 |
parent 58705 | f5662bdbee4a |
permissions | -rw-r--r-- |
51818 | 1 |
/* |
53842 | 2 |
* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved. |
51818 | 3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 |
* |
|
5 |
* This code is free software; you can redistribute it and/or modify it |
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
|
7 |
* published by the Free Software Foundation. |
|
8 |
* |
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
|
13 |
* accompanied this code). |
|
14 |
* |
|
15 |
* You should have received a copy of the GNU General Public License version |
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
18 |
* |
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
20 |
* or visit www.oracle.com if you need additional information or have any |
|
21 |
* questions. |
|
22 |
*/ |
|
23 |
||
53842 | 24 |
#include "precompiled.hpp" |
25 |
#include "gc/z/zAddress.inline.hpp" |
|
26 |
#include "gc/z/zThreadLocalAllocBuffer.hpp" |
|
58705
f5662bdbee4a
8232235: ZGC: Move ZValue inline funtions to zValue.inline.hpp
pliden
parents:
53842
diff
changeset
|
27 |
#include "gc/z/zValue.inline.hpp" |
53842 | 28 |
#include "runtime/globals.hpp" |
29 |
#include "runtime/thread.hpp" |
|
51818 | 30 |
|
53842 | 31 |
ZPerWorker<ThreadLocalAllocStats>* ZThreadLocalAllocBuffer::_stats = NULL; |
51818 | 32 |
|
53842 | 33 |
void ZThreadLocalAllocBuffer::initialize() { |
51818 | 34 |
if (UseTLAB) { |
35 |
assert(_stats == NULL, "Already initialized"); |
|
36 |
_stats = new ZPerWorker<ThreadLocalAllocStats>(); |
|
53842 | 37 |
reset_statistics(); |
51818 | 38 |
} |
39 |
} |
|
40 |
||
53842 | 41 |
void ZThreadLocalAllocBuffer::reset_statistics() { |
51818 | 42 |
if (UseTLAB) { |
43 |
ZPerWorkerIterator<ThreadLocalAllocStats> iter(_stats); |
|
44 |
for (ThreadLocalAllocStats* stats; iter.next(&stats);) { |
|
45 |
stats->reset(); |
|
46 |
} |
|
47 |
} |
|
48 |
} |
|
49 |
||
53842 | 50 |
void ZThreadLocalAllocBuffer::publish_statistics() { |
51818 | 51 |
if (UseTLAB) { |
52 |
ThreadLocalAllocStats total; |
|
53 |
||
54 |
ZPerWorkerIterator<ThreadLocalAllocStats> iter(_stats); |
|
55 |
for (ThreadLocalAllocStats* stats; iter.next(&stats);) { |
|
56 |
total.update(*stats); |
|
57 |
} |
|
58 |
||
59 |
total.publish(); |
|
60 |
} |
|
61 |
} |
|
53842 | 62 |
|
63 |
static void fixup_address(HeapWord** p) { |
|
64 |
*p = (HeapWord*)ZAddress::good_or_null((uintptr_t)*p); |
|
65 |
} |
|
66 |
||
67 |
void ZThreadLocalAllocBuffer::retire(Thread* thread) { |
|
68 |
if (UseTLAB && thread->is_Java_thread()) { |
|
69 |
ThreadLocalAllocStats* const stats = _stats->addr(); |
|
70 |
thread->tlab().addresses_do(fixup_address); |
|
71 |
thread->tlab().retire(stats); |
|
59147
e735301d76b9
8234379: ZGC: Do not resize TALBs unless -XX:ResizeTLAB is enabled
pliden
parents:
58705
diff
changeset
|
72 |
if (ResizeTLAB) { |
e735301d76b9
8234379: ZGC: Do not resize TALBs unless -XX:ResizeTLAB is enabled
pliden
parents:
58705
diff
changeset
|
73 |
thread->tlab().resize(); |
e735301d76b9
8234379: ZGC: Do not resize TALBs unless -XX:ResizeTLAB is enabled
pliden
parents:
58705
diff
changeset
|
74 |
} |
53842 | 75 |
} |
76 |
} |
|
77 |
||
78 |
void ZThreadLocalAllocBuffer::remap(Thread* thread) { |
|
79 |
if (UseTLAB && thread->is_Java_thread()) { |
|
80 |
thread->tlab().addresses_do(fixup_address); |
|
81 |
} |
|
82 |
} |