| author | Matti Laitinen <matti.t.laitinen@nokia.com> |
| Wed, 21 Apr 2010 20:01:08 +0300 | |
| changeset 7 | 8e12a575a9b5 |
| permissions | -rw-r--r-- |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<html> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<head> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<meta http-equiv="content-type" content="text/html; charset=iso-8859-1"> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<title>Cell Type</title> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<link href="../../book.css" type="text/css" rel="stylesheet"> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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</head> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<body> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<h2>Cell Type</h2> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<p>The Cell Type view is a low-level view of the layout of the heap. It is |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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useful for getting a quick feel for fragmentation, for example, but the other |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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views are more commonly used.</p> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<p><img src="../images/ha_heap_view.png"></p> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<p>The Cell Type view breaks down the heap into word-sized (4 byte) blocks, |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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each represented by a coloured square. The following colour-coding is applied |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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to each related group of words for easy identification:</p> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<ul> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<li><strong>White</strong>: Contains a header word, used by the heap |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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allocator for book-keeping.</li> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<li><strong>Red/Orange</strong>: Contains the data of an allocated object |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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whose class has been identified via its vtable pointer.</li> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<li><strong>Yellow</strong>: Contains the data of a heap-allocated |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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descriptor.</li> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<li><strong>Purple/Brown</strong>: Contains the data of an allocated object |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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whose type cannot be identified, usually a raw data buffer.</li> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<li><strong>Blue</strong>: A free area of the heap that does not currently |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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contain an allocated object.</li> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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</ul> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<p>The colour fade between the start and end of a group of words makes it |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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easier for you to pick out the beginning and the end of cells.</p> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<p>If you highlight a cell by hovering the mouse over it (the whole of the |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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associated cell is highlighted), you get a pop-up summary of its contents as a |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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tool-tip. You can also right-click to bring up a context menu of options.</p> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<p>If you click on a cell to select it, or navigate to it using the cursor keys |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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or the <strong>Previous / Next</strong> buttons, or search for it by address in |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
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the <strong>Search</strong> box, then that cell will be selected and you will |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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get a summary in the <strong>Information</strong> box below.</p> |
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MemSpy Carbide Extension 1.6.0
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parents:
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<ul> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<li><strong>Address</strong> is the start of the cell, including book-keeping |
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info.</li> |
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<li><strong>Payload</strong> is the address range of the actual data stored |
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MemSpy Carbide Extension 1.6.0
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in the cell.</li> |
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MemSpy Carbide Extension 1.6.0
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<li><strong>Nesting level</strong> and <strong>Allocation number</strong> |
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info for a cell are only maintained by the debug (UDEB) version of RHeap, |
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and rarely used as a result.</li> |
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</ul> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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<p>If you double-click on a cell, a floating memory inspector window will be |
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8e12a575a9b5
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displayed, showing you the cell contents. Cells that contain references to |
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other memory locations are highlighted. Double-clicking a highlighted value |
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jumps to the referenced location.</p> |
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<h5>Related references</h5> |
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<ul> |
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<li><a href="object_type.htm">Object Type</a></li> |
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<li><a href="parent_binary.htm">Parent Binary</a></li> |
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MemSpy Carbide Extension 1.6.0
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<li><a href="cell_lenght.htm">Cell Lenght</a></li> |
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<li><a href="isolation.htm">Isolation and Pervasiveness</a></li> |
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MemSpy Carbide Extension 1.6.0
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<li><a href="HA_data_analysis.htm">Data analysis with Heap Analyser</a></li> |
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</ul> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
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<div id="footer"> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies). All rights |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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reserved. License: <a |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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href="http://www.eclipse.org/legal/epl-v10.html">http://www.eclipse.org/legal/epl-v10.html</a>.</div> |
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MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
parents:
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</body> |
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8e12a575a9b5
MemSpy Carbide Extension 1.6.0
Matti Laitinen <matti.t.laitinen@nokia.com>
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</html> |