author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 17 Sep 2010 08:32:10 +0300 | |
changeset 28 | b7da29130b0e |
parent 21 | 4633027730f5 |
permissions | -rw-r--r-- |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
1 |
/**************************************************************************** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
2 |
** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
3 |
** Copyright (C) 2008-2010 Nokia Corporation and/or its subsidiary(-ies). |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
4 |
** All rights reserved. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
5 |
** Contact: Nokia Corporation (developer.feedback@nokia.com) |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
6 |
** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
7 |
** This file is part of the HbCore module of the UI Extensions for Mobile. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
8 |
** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
9 |
** GNU Lesser General Public License Usage |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
10 |
** This file may be used under the terms of the GNU Lesser General Public |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
11 |
** License version 2.1 as published by the Free Software Foundation and |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
12 |
** appearing in the file LICENSE.LGPL included in the packaging of this file. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
13 |
** Please review the following information to ensure the GNU Lesser General |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
14 |
** Public License version 2.1 requirements will be met: |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
15 |
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
16 |
** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
17 |
** In addition, as a special exception, Nokia gives you certain additional |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
18 |
** rights. These rights are described in the Nokia Qt LGPL Exception |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
19 |
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
20 |
** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
21 |
** If you have questions regarding the use of this file, please contact |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
22 |
** Nokia at developer.feedback@nokia.com. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
23 |
** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
24 |
****************************************************************************/ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
25 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
26 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
27 |
#include "hbsharedmemoryallocators_p.h" |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
28 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
29 |
#include <QDebug> |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
30 |
#include <QSharedMemory> |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
31 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
32 |
// this identifier is used to check, if the multisegment allocator is already |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
33 |
// initialized in given shared chunk |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
34 |
static const quint32 INITIALIZED_MULTISEGMENTALLOCATOR_IDENTIFIER = 0x4D554C54; //'MULT' |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
35 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
36 |
// chunk sizes |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
37 |
// every size is aligned to 8 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
38 |
static const int ChunkSizes[AMOUNT_OF_DIFFERENT_CHUNK_SIZES] = {8, 16, 24, 32, 48, 64, 120, 224}; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
39 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
40 |
static const int CHUNKS_IN_ONE_LIST = 512; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
41 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
42 |
/* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
43 |
* HbMultiSegmentAlgo implementation |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
44 |
* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
45 |
* Since this function is crucial to the working of HbSharedMemory manager, it's required |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
46 |
* that it's initialize function is successfully completed. In the OOM condition, |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
47 |
* the exception is thrown. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
48 |
* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
49 |
* All chunk sizes should be multiples of 8 (so that the memory is automatically aligned). |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
50 |
* Based on actual data, following ranges are used: |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
51 |
* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
52 |
* Range of sizes Number of allocations for several applications |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
53 |
* between 0-8 926 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
54 |
* between 9-16 7715 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
55 |
* between 17-24 5814 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
56 |
* between 25-32 364 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
57 |
* between 33-48 409 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
58 |
* between 49-64 587 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
59 |
* between 65-120 430 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
60 |
* between 121-224 2322 |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
61 |
* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
62 |
*/ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
63 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
64 |
/** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
65 |
* HbMultiSegmentAllocator::initialize |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
66 |
* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
67 |
* Initializes multisegment allocator. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
68 |
* This allocates memory from main allocator and won't block main allocator's |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
69 |
* OOM exception. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
70 |
*/ |
6
c3690ec91ef8
Revision: 201023
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
3
diff
changeset
|
71 |
void HbMultiSegmentAllocator::initialize(HbSharedMemoryWrapper *sharedChunk, |
21
4633027730f5
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
6
diff
changeset
|
72 |
const quintptr offset, |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
73 |
HbSharedMemoryAllocator *mainAllocator) |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
74 |
{ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
75 |
chunk = sharedChunk; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
76 |
this->offset = offset; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
77 |
this->mainAllocator = mainAllocator; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
78 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
79 |
// initialize fast index-getter table |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
80 |
int index = 0; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
81 |
for (int i = 0; i < AMOUNT_OF_DIFFERENT_CHUNK_SIZES; i++) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
82 |
int limit = ChunkSizes[i]; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
83 |
do { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
84 |
indexTable[index++] = i; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
85 |
} while (index <= limit); |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
86 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
87 |
|
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
88 |
header = address<MultiAllocatorHeader>(offset); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
89 |
if (header->identifier == INITIALIZED_MULTISEGMENTALLOCATOR_IDENTIFIER) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
90 |
return; // already initialized |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
91 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
92 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
93 |
// every chunk list have space for 512 chunks |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
94 |
ChunkListHeader *listHeader; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
95 |
for (int i = 0; i < AMOUNT_OF_DIFFERENT_CHUNK_SIZES; i++) { |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
96 |
header->offsetsToChunkLists[i] = mainAllocator->alloc(sizeof(ChunkListHeader) |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
97 |
+ (sizeof(qptrdiff) + ChunkSizes[i]) |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
98 |
* CHUNKS_IN_ONE_LIST); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
99 |
header->offsetsToFreeChunkLists[i] = header->offsetsToChunkLists[i]; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
100 |
listHeader = address<ChunkListHeader>(header->offsetsToChunkLists[i]); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
101 |
listHeader->chunkListIndex = i; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
102 |
listHeader->freedChunkCursor = -1; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
103 |
listHeader->allocCursor = header->offsetsToChunkLists[i] + sizeof(ChunkListHeader); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
104 |
listHeader->previousListOffset = -1; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
105 |
listHeader->nextListOffset = -1; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
106 |
listHeader->allocatedChunks = 0; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
107 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
108 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
109 |
header->identifier = INITIALIZED_MULTISEGMENTALLOCATOR_IDENTIFIER; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
110 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
111 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
112 |
/* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
113 |
* Constructor |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
114 |
*/ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
115 |
HbMultiSegmentAllocator::HbMultiSegmentAllocator(): |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
116 |
chunk(0), |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
117 |
offset(0), |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
118 |
mainAllocator(0), |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
119 |
header(0) |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
120 |
{ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
121 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
122 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
123 |
/* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
124 |
* Destructor |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
125 |
*/ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
126 |
HbMultiSegmentAllocator::~HbMultiSegmentAllocator() |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
127 |
{ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
128 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
129 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
130 |
/* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
131 |
* alloc function |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
132 |
* Will throw OOM (from main allocator) in case we run out of memory. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
133 |
*/ |
21
4633027730f5
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
6
diff
changeset
|
134 |
qptrdiff HbMultiSegmentAllocator::alloc(int size) |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
135 |
{ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
136 |
// size should already be between 1...max. chunk size - no need to check |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
137 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
138 |
// first find out correct list of chunks |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
139 |
int i = indexTable[size]; |
21
4633027730f5
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
6
diff
changeset
|
140 |
qptrdiff dataOffset = -1; |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
141 |
qptrdiff *metaData = 0; |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
142 |
// this should always point to list with free chunks |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
143 |
ChunkListHeader *listHeader = address<ChunkListHeader>(header->offsetsToFreeChunkLists[i]); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
144 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
145 |
if (listHeader->freedChunkCursor >= 0) { // freedChunkCursor points to freed chunk |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
146 |
dataOffset = listHeader->freedChunkCursor + sizeof(qptrdiff); |
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
147 |
metaData = address<qptrdiff>(listHeader->freedChunkCursor); |
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
148 |
listHeader->freedChunkCursor = *metaData; // points to next freed chunk |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
149 |
} else { // no chunks freed -> allocate in order |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
150 |
dataOffset = listHeader->allocCursor + sizeof(qptrdiff); |
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
151 |
metaData = address<qptrdiff>(listHeader->allocCursor); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
152 |
// we will never allocate from full list, so allocCursor is always valid |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
153 |
listHeader->allocCursor += ChunkSizes[listHeader->chunkListIndex] + sizeof(qptrdiff); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
154 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
155 |
|
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
156 |
// for allocated chunks metadata is the offset to this list's header |
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
157 |
// for freed chunks, metadata points to next free chunk (or -1 if no more freed chunks) |
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
158 |
*metaData = header->offsetsToFreeChunkLists[i]; |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
159 |
listHeader->allocatedChunks++; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
160 |
if (listHeader->allocatedChunks == CHUNKS_IN_ONE_LIST) { // list full |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
161 |
if (!setFreeList(listHeader->chunkListIndex)) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
162 |
// there is no list(s) with free chunks, so add new list |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
163 |
addList(listHeader->chunkListIndex, |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
164 |
mainAllocator->alloc(sizeof(ChunkListHeader) + (sizeof(qptrdiff) |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
165 |
+ ChunkSizes[listHeader->chunkListIndex]) |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
166 |
* CHUNKS_IN_ONE_LIST)); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
167 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
168 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
169 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
170 |
return dataOffset; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
171 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
172 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
173 |
/* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
174 |
* free the offset |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
175 |
*/ |
21
4633027730f5
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
6
diff
changeset
|
176 |
void HbMultiSegmentAllocator::free(qptrdiff offset) |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
177 |
{ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
178 |
// metadata has offset to list's header |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
179 |
qptrdiff *metaData = address<qptrdiff>(offset - sizeof(qptrdiff)); |
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
180 |
qptrdiff listHeaderOffset = *metaData; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
181 |
ChunkListHeader *listHeader = address<ChunkListHeader>(listHeaderOffset); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
182 |
listHeader->allocatedChunks--; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
183 |
if (listHeader->allocatedChunks == 0) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
184 |
// if there are multiple lists, this list could be released |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
185 |
ChunkListHeader *previous = 0; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
186 |
if (listHeader->previousListOffset > -1) { |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
187 |
previous = address<ChunkListHeader>(listHeader->previousListOffset); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
188 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
189 |
ChunkListHeader *next = 0; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
190 |
if (listHeader->nextListOffset > -1) { |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
191 |
next = address<ChunkListHeader>(listHeader->nextListOffset); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
192 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
193 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
194 |
if (previous || next) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
195 |
if (previous) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
196 |
previous->nextListOffset = listHeader->nextListOffset; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
197 |
} else { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
198 |
// with no previous list, we are removing first list |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
199 |
// and because if we don't have previous, next will be valid list |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
200 |
header->offsetsToChunkLists[listHeader->chunkListIndex] = listHeader->nextListOffset; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
201 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
202 |
if (next) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
203 |
next->previousListOffset = listHeader->previousListOffset; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
204 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
205 |
if (setFreeList(listHeader->chunkListIndex)) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
206 |
// there is space in other list(s), so this list can be removed |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
207 |
mainAllocator->free(listHeaderOffset); |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
208 |
} else { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
209 |
// all the other lists are full, so just add this list back |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
210 |
addList(listHeader->chunkListIndex, listHeaderOffset); |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
211 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
212 |
} else { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
213 |
// only list can't be freed |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
214 |
*metaData = listHeader->freedChunkCursor; |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
215 |
listHeader->freedChunkCursor = offset - sizeof(qptrdiff); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
216 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
217 |
} else { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
218 |
// this list is not yet empty |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
219 |
*metaData = listHeader->freedChunkCursor; |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
220 |
listHeader->freedChunkCursor = offset - sizeof(qptrdiff); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
221 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
222 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
223 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
224 |
/** |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
225 |
* HbMultiSegmentAllocator::allocatedSize |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
226 |
* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
227 |
* Used for reallocation. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
228 |
* Returns actual allocated size for given offset. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
229 |
*/ |
21
4633027730f5
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
6
diff
changeset
|
230 |
int HbMultiSegmentAllocator::allocatedSize(qptrdiff offset) |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
231 |
{ |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
232 |
qptrdiff *metaData = address<qptrdiff>(offset - sizeof(qptrdiff)); |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
233 |
ChunkListHeader *listHeader = address<ChunkListHeader>(*metaData); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
234 |
// not actual size in alloc(), but the size of chunk, where this data is stored |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
235 |
return ChunkSizes[listHeader->chunkListIndex]; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
236 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
237 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
238 |
/* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
239 |
* Helper method for adding new list of chunks. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
240 |
* Won't fail, because memory for the list is already allocated (offset). |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
241 |
*/ |
21
4633027730f5
Revision: 201031
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
6
diff
changeset
|
242 |
void HbMultiSegmentAllocator::addList(int index, qptrdiff offset) |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
243 |
{ |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
244 |
ChunkListHeader *newListHeader = address<ChunkListHeader>(offset); |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
245 |
ChunkListHeader *oldListHeader = address<ChunkListHeader>(header->offsetsToChunkLists[index]); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
246 |
// when this method is called, there will be at least one list, |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
247 |
// so oldListHeader is valid and also all the lists are full |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
248 |
newListHeader->allocatedChunks = 0; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
249 |
newListHeader->allocCursor = offset + sizeof(ChunkListHeader); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
250 |
newListHeader->chunkListIndex = index; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
251 |
newListHeader->freedChunkCursor = -1; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
252 |
newListHeader->previousListOffset = -1; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
253 |
newListHeader->nextListOffset = header->offsetsToChunkLists[index]; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
254 |
oldListHeader->previousListOffset = offset; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
255 |
header->offsetsToChunkLists[index] = offset; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
256 |
setFreeList(index); // won't fail, because we just added free list |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
257 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
258 |
|
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
259 |
/* |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
260 |
* Try to set (new) free list to given index. If no such list exists (all are full), |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
261 |
* return false. Otherwise sets free list and returns true. |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
262 |
*/ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
263 |
bool HbMultiSegmentAllocator::setFreeList(int index) |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
264 |
{ |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
265 |
ChunkListHeader *listHeader; |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
266 |
qptrdiff offset = header->offsetsToChunkLists[index]; |
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
267 |
listHeader = address<ChunkListHeader>(offset); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
268 |
bool retVal = false; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
269 |
for (;;) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
270 |
if (listHeader->allocatedChunks < CHUNKS_IN_ONE_LIST) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
271 |
header->offsetsToFreeChunkLists[index] = offset; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
272 |
retVal = true; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
273 |
break; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
274 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
275 |
if (listHeader->nextListOffset == -1) { |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
276 |
break; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
277 |
} |
28
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
278 |
offset = listHeader->nextListOffset; |
b7da29130b0e
Revision: 201035
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
21
diff
changeset
|
279 |
listHeader = address<ChunkListHeader>(offset); |
0
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
280 |
} |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
281 |
return retVal; |
16d8024aca5e
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
282 |
} |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
283 |
|
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
284 |
#ifdef HB_THEME_SERVER_MEMORY_REPORT |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
285 |
void HbMultiSegmentAllocator::writeReport(QTextStream &reportWriter) |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
286 |
{ |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
287 |
reportWriter << "***** (Sub)HbMultiSegmentAllocator report *****\n\n"; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
288 |
reportWriter << SPACE_NEEDED_FOR_MULTISEGMENT_ALLOCATOR |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
289 |
<< " bytes allocated for internal bookkeeping\n"; |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
290 |
reportWriter << AMOUNT_OF_DIFFERENT_CHUNK_SIZES << " different chunk sizes ("; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
291 |
for (int i = 0; i < AMOUNT_OF_DIFFERENT_CHUNK_SIZES-1; i++) { |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
292 |
reportWriter << ChunkSizes[i] << ", "; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
293 |
} |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
294 |
reportWriter << ChunkSizes[AMOUNT_OF_DIFFERENT_CHUNK_SIZES-1] << ")\n"; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
295 |
reportWriter << CHUNKS_IN_ONE_LIST << " chunks in one list\n\n"; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
296 |
|
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
297 |
// calculate all the data from chunklists |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
298 |
int totalMemoryReserved = 0; // all the memory needed from shared chunk |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
299 |
int totalBookkeepingMemory = 0; // all the space needed for internal bookkeeping |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
300 |
int totalAllocatedMemory = 0; // all the allocated memory visible for clients |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
301 |
for (int i = 0; i < AMOUNT_OF_DIFFERENT_CHUNK_SIZES; i++) { |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
302 |
int allocations = 0; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
303 |
int listCount = 0; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
304 |
ChunkListHeader *listHeader; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
305 |
listHeader = address<ChunkListHeader>(header->offsetsToChunkLists[i]); |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
306 |
for (;;) { |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
307 |
allocations += listHeader->allocatedChunks; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
308 |
listCount++; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
309 |
if (listHeader->nextListOffset != -1) { |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
310 |
listHeader = address<ChunkListHeader>(listHeader->nextListOffset); |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
311 |
} else { |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
312 |
break; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
313 |
} |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
314 |
} |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
315 |
reportWriter << "for chunk size " << ChunkSizes[i] << ", " |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
316 |
<< listCount << " list(s) used\n"; |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
317 |
reportWriter << "and in these lists " << allocations << " chunks are allocated\n"; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
318 |
int totalSize = listCount * (sizeof(ChunkListHeader) + (sizeof(int) + ChunkSizes[i]) |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
319 |
* CHUNKS_IN_ONE_LIST); |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
320 |
totalMemoryReserved += totalSize; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
321 |
reportWriter << "Total size reserved from shared chunk for these list(s): " |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
322 |
<< totalSize << " bytes\n"; |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
323 |
int bookKeeping = listCount * (sizeof(ChunkListHeader) + sizeof(int) * CHUNKS_IN_ONE_LIST); |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
324 |
totalBookkeepingMemory += bookKeeping; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
325 |
reportWriter << " - bytes used for bookkeeping: " << bookKeeping << "\n"; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
326 |
reportWriter << " - actual allocated bytes (in chunks, not in actual data, which might be less than chunk size): " |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
327 |
<< allocations * ChunkSizes[i] << "\n\n"; |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
328 |
totalAllocatedMemory += allocations*ChunkSizes[i]; |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
329 |
} |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
330 |
|
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
331 |
reportWriter << "*** HbMultiSegmentAllocator summary ***\n"; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
332 |
reportWriter << "Total memory reserved from shared chunk: " |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
333 |
<< totalMemoryReserved << " bytes\n"; |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
334 |
reportWriter << " - internal bookkeeping uses " << totalBookkeepingMemory << " bytes\n"; |
3
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
335 |
reportWriter << " - actual memory allocated by clients: " |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
336 |
<< totalAllocatedMemory << " bytes\n"; |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
337 |
int totalFragmentationPercent = int(float(totalAllocatedMemory) |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
338 |
/ float(totalMemoryReserved) * 100); |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
339 |
int usableFragmentationPercent = int(float(totalAllocatedMemory) |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
340 |
/ float(totalMemoryReserved - totalBookkeepingMemory) |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
341 |
* 100); |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
342 |
reportWriter << "allocated memory / all memory reserved from shared chunk = " |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
343 |
<< totalFragmentationPercent << "%\n"; |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
344 |
reportWriter << "allocated memory / all usable memory for client data = " |
11d3954df52a
Revision: 201019
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
2
diff
changeset
|
345 |
<< usableFragmentationPercent << "%\n"; |
2
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
346 |
|
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
347 |
} |
06ff229162e9
Revision: 201017
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
0
diff
changeset
|
348 |
#endif |