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1 /* |
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2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). |
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3 * All rights reserved. |
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4 * This component and the accompanying materials are made available |
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5 * under the terms of "Eclipse Public License v1.0" |
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6 * which accompanies this distribution, and is available |
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7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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8 * |
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9 * Initial Contributors: |
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10 * Nokia Corporation - initial contribution. |
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11 * |
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12 * Contributors: |
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13 * |
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14 * Description: |
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15 * |
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16 */ |
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17 |
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18 #ifndef MEMSPYDRIVERHEAPSTATISTICS_H |
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19 #define MEMSPYDRIVERHEAPSTATISTICS_H |
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20 |
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21 // System includes |
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22 #include <e32cmn.h> |
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23 |
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24 |
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25 class TMemSpyHeapWalkStatistics |
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26 { |
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27 public: |
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28 |
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29 // Total number of cells enumerated |
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30 TInt iNumberOfWalkedCells; |
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31 |
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32 // The type of the last cell |
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33 TMemSpyDriverCellType iLastCellType; |
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34 |
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35 // The address of the last cell |
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36 TLinAddr iLastCellAddress; |
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37 |
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38 public: // Free cell related |
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39 |
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40 // The address of the first free heap cell |
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41 TLinAddr iFirstFreeCellAddress; |
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42 |
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43 // The length of the first free heap cell |
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44 TUint iFirstFreeCellLength; |
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45 |
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46 // Whether the last cell in the entire heap was a free cell |
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47 // (i.e. slack space) |
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48 TBool iLastCellWasFreeCell; |
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49 |
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50 // The length of the last free cell in the heap |
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51 TUint iLastFreeCellLength; |
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52 |
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53 // The total amount of free space in the heap |
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54 TUint iTotalFreeSpace; |
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55 |
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56 // The number of free heap cells |
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57 TUint iFreeCellCount; |
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58 |
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59 // The size of the largest free cell |
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60 TUint iLargestCellSizeFree; |
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61 |
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62 // The previous largest free cell size |
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63 TUint iLargestCellSizeFreePrevious; |
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64 |
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65 // The address of the largest free cell |
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66 TLinAddr iLargestCellAddressFree; |
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67 |
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68 // The previous address of the largest free cell |
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69 TUint iLargestCellAddressFreePrevious; |
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70 |
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71 // The overhead associated with a free cell (header length) |
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72 TUint iFreeCellOverheadHeaderLength; |
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73 |
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74 // The slace space at the end of the heap |
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75 TUint iSlackSpace; |
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76 |
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77 // The address of the slack space cell |
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78 TLinAddr iSpackSpaceCellAddress; |
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79 |
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80 // A very simple XOR checksum of all the free cell addresses that were |
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81 // detected during the heap navigation |
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82 TUint32 iFreeCellCRC; |
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83 |
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84 public: // Alloc cell related |
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85 |
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86 // The number of allocated heap cells |
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87 TUint iAllocCellCount; |
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88 |
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89 // The size of the largest allocated cell |
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90 TUint iLargestCellSizeAlloc; |
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91 |
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92 // The address of the largest allocated cell |
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93 TLinAddr iLargestCellAddressAlloc; |
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94 |
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95 // The overhead associated with an allocated cell (header length) |
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96 TUint iAllocCellOverheadHeaderLength; |
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97 |
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98 public: // Common |
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99 |
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100 // The total amount of allocated space in the heap |
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101 TUint iTotalAllocSpace; |
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102 }; |
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103 |
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104 |
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105 |
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106 #endif |