| author | Jussi Ryoma <ext-jussi.s.ryoma@nokia.com> |
| Tue, 24 Aug 2010 14:01:48 +0300 | |
| changeset 16 | 72f198be1c1d |
| parent 5 | 844b047e260d |
| permissions | -rw-r--r-- |
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Performance Investigator Carbide extension 2.3.0
Toni Pulkkinen <ext-toni.p.pulkkinen@nokia.com>
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" |
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"http://www.w3.org/TR/html4/loose.dtd"> |
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<html> |
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<head> |
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<meta http-equiv="content-type" content="text/html; charset=UTF-8"> |
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<title>Interconnect Performance Counters View</title> |
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<link href="../../../book.css" rel="stylesheet" type="text/css"> |
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</head> |
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<body> |
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<h2>Interconnect Performance Counters View</h2> |
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<p>Use the <strong>Interconnect Performance Counters</strong> view to monitor |
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Processor Sub-System (PSS) bus (VIA) accesses. By default, the Interconnect |
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Performance Counters view opens up as minimised on the PIAnalyzer main view. To |
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view the graphs, click the restore button <img |
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src="images/minimize_restore_graph.png" width="16" height="16"> or the maximize |
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button <img src="images/maximize_graph.png" width="16" height="16"> on the |
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Title bar.</p> |
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<p>The graph portion of the Performance Counters view displays graphs of the |
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selected traces. From all the IPC counters five different values are collected: |
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cycle, read, write, wait and idle counts. Those are shown on separate lines in |
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the graphs view, and the legend table. To select a trace for the graphs view, |
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click the check box next to the trace name in the legend table.</p> |
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<p>In the top left-hand corner of each graph line, the following information |
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displayed:</p> |
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<ul> |
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<li>Type of the trace</li> |
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<li>Sampling interval</li> |
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</ul> |
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<p>Note that the scaling of the graphs changes according to the maximum values |
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for each graph. You can see the vertical axis values for each graph on the left |
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side of the graph.</p> |
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<p>You can move the mouse pointer on top of the graph lines to see the values |
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as a tooltip, as shown below in Figure 1.</p> |
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<p align="center"><img src="images/IPC_view.png" width="645" height="608"></p> |
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<p class="figure">Figure 1. Interconnect Performance Counters view</p> |
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<p></p> |
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<p>A legend table is displayed below the graphs. </p> |
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<p>Description of the table columns: </p> |
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<ul> |
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<li>The <b>Char</b> column contains an identifier for each trace.</li> |
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<li>The <b>Name</b> column contains the type of performance counter that was |
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traced.</li> |
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<li>The <b>Average (1/ms)</b> column contains the average occurrence of the |
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event that was traced, within the selected timeframe.</li> |
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<li>The <b>Sum</b> column contains the total number of event occurrences |
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within the selected timeframe.</li> |
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<li>The <b>Min (1/ms)</b> column contains the minimum occurrence of the event |
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that was traced, within the selected timeframe.</li> |
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<li>The <b>Max (1/ms)</b> column contains the maximum occurrence of the event |
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that was traced, within the selected timeframe.</li> |
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</ul> |
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<p>Check the boxes at the left side of the table to select the traces for the |
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graphs view.</p> |
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<p>Columns may be reordered, resized, and sorted by clicking or dragging column |
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headers.</p> |
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<p>You can right-click on the table to open a context menu, where you can |
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select to copy either selected lines or the entire table to clipboard; or to |
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save the table to CSV format. </p> |
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<p><strong>Related references </strong></p> |
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<ul> |
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<li><a href="main_view.htm">Analyzer View</a></li> |
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</ul> |
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<div id="footer"> |
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Copyright © 2010 Nokia Corporation and/or its subsidiary(-ies). All rights |
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reserved. <br> |
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License: <a |
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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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</body> |
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</html> |