author | stefank |
Tue, 12 Apr 2016 07:17:44 +0200 | |
changeset 37462 | 58bb9394a98b |
parent 30764 | fec48bf5a827 |
child 46564 | 0ec329b23bbf |
permissions | -rw-r--r-- |
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
1 |
/* |
30764 | 2 |
* Copyright (c) 2001, 2015, Oracle and/or its affiliates. All rights reserved. |
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
3 |
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
4 |
* |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
5 |
* This code is free software; you can redistribute it and/or modify it |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
6 |
* under the terms of the GNU General Public License version 2 only, as |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
7 |
* published by the Free Software Foundation. |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
8 |
* |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
9 |
* This code is distributed in the hope that it will be useful, but WITHOUT |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
10 |
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
11 |
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
12 |
* version 2 for more details (a copy is included in the LICENSE file that |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
13 |
* accompanied this code). |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
14 |
* |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
15 |
* You should have received a copy of the GNU General Public License version |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
16 |
* 2 along with this work; if not, write to the Free Software Foundation, |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
17 |
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
18 |
* |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
19 |
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
20 |
* or visit www.oracle.com if you need additional information or have any |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
21 |
* questions. |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
22 |
* |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
23 |
*/ |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
24 |
|
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
25 |
#include "precompiled.hpp" |
30764 | 26 |
#include "gc/parallel/generationSizer.hpp" |
27 |
#include "gc/shared/collectorPolicy.hpp" |
|
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
28 |
|
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
29 |
void GenerationSizer::initialize_alignments() { |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
30 |
_space_alignment = _gen_alignment = default_gen_alignment(); |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
31 |
_heap_alignment = compute_heap_alignment(); |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
32 |
} |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
33 |
|
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
34 |
void GenerationSizer::initialize_flags() { |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
35 |
// Do basic sizing work |
24353
148147d21135
8027643: Merge GenCollectorPolicy and TwoGenerationCollectorPolicy
jwilhelm
parents:
21570
diff
changeset
|
36 |
GenCollectorPolicy::initialize_flags(); |
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
37 |
|
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
38 |
// The survivor ratio's are calculated "raw", unlike the |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
39 |
// default gc, which adds 2 to the ratio value. We need to |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
40 |
// make sure the values are valid before using them. |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
41 |
if (MinSurvivorRatio < 3) { |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
42 |
FLAG_SET_ERGO(uintx, MinSurvivorRatio, 3); |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
43 |
} |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
44 |
|
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
45 |
if (InitialSurvivorRatio < 3) { |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
46 |
FLAG_SET_ERGO(uintx, InitialSurvivorRatio, 3); |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
47 |
} |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
48 |
} |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
49 |
|
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
50 |
void GenerationSizer::initialize_size_info() { |
28631 | 51 |
const size_t max_page_sz = os::page_size_for_region_aligned(_max_heap_byte_size, 8); |
26700
8107d0778244
8049864: TestParallelHeapSizeFlags fails with unexpected heap size
ehelin
parents:
25366
diff
changeset
|
52 |
const size_t min_pages = 4; // 1 for eden + 1 for each survivor + 1 for old |
28631 | 53 |
const size_t min_page_sz = os::page_size_for_region_aligned(_min_heap_byte_size, min_pages); |
26700
8107d0778244
8049864: TestParallelHeapSizeFlags fails with unexpected heap size
ehelin
parents:
25366
diff
changeset
|
54 |
const size_t page_sz = MIN2(max_page_sz, min_page_sz); |
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
55 |
|
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
56 |
// Can a page size be something else than a power of two? |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
57 |
assert(is_power_of_2((intptr_t)page_sz), "must be a power of 2"); |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
58 |
size_t new_alignment = round_to(page_sz, _gen_alignment); |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
59 |
if (new_alignment != _gen_alignment) { |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
60 |
_gen_alignment = new_alignment; |
21570
7006807e3cc8
8027960: Assertion assert(end >= start) failed during nightly testing on solaris
sjohanss
parents:
21561
diff
changeset
|
61 |
_space_alignment = new_alignment; |
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
62 |
// Redo everything from the start |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
63 |
initialize_flags(); |
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
64 |
} |
24353
148147d21135
8027643: Merge GenCollectorPolicy and TwoGenerationCollectorPolicy
jwilhelm
parents:
21570
diff
changeset
|
65 |
GenCollectorPolicy::initialize_size_info(); |
21561
c619b1cb4554
8016309: assert(eden_size > 0 && survivor_size > 0) failed: just checking
jwilhelm
parents:
diff
changeset
|
66 |
} |