| author | Toni Pulkkinen <ext-toni.p.pulkkinen@nokia.com> |
| Wed, 21 Apr 2010 15:14:16 +0300 | |
| changeset 5 | 844b047e260d |
| parent 2 | b9ab3b238396 |
| child 12 | ae255c9aa552 |
| 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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Performance Investigator Carbide extension 2.3.0
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"http://www.w3.org/TR/html4/loose.dtd"> |
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Performance Investigator Carbide extension 2.3.0
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<html> |
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Performance Investigator Carbide extension 2.3.0
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<head> |
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Performance Investigator Carbide extension 2.3.0
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<meta http-equiv="content-type" content="text/html; charset=UTF-8"> |
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Performance Investigator Carbide extension 2.3.0
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<title>Thread Load</title> |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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<link href="../../../book.css" rel="stylesheet" type="text/css"> |
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Performance Investigator Carbide extension 2.3.0
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</head> |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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<body> |
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Performance Investigator Carbide extension 2.3.0
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<h2>Thread Load</h2> |
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Performance Investigator Carbide extension 2.3.0
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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<p>Select the Threads tab to display the Thread Load. The Thread Load graph and |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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related table show information about threads that were active during the |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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selected time period. The graph and table show the CPU load separated according |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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to the executed thread, independent of the binary or function in which |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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execution took place. Figure 1 shows an example graph with the Threads tab |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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selected.</p> |
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Performance Investigator Carbide extension 2.3.0
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Performance Investigator Carbide extension 2.3.0
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<p align="center"><img src="images/thread_mode_graph.png" width="710" |
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Performance Investigator Carbide extension 2.3.0
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height="728"> </p> |
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Performance Investigator Carbide extension 2.3.0
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Performance Investigator Carbide extension 2.3.0
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<p align="center" class="figure">Figure 1. Thread Load Graph displaying |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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combined CPU graph</p> |
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Performance Investigator Carbide extension 2.3.0
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<p>Description of table columns:</p> |
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Performance Investigator Carbide extension 2.3.0
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<ul> |
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Performance Investigator Carbide extension 2.3.0
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<li>The <b>% Load</b> column indicates what percentage of the CPU load was |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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spent in each thread during the selected time interval.</li> |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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<li>The <b>Thread</b> column identifies the thread by name and executable |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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which is composed of: |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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<ul> |
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Performance Investigator Carbide extension 2.3.0
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<li>Executable or process name — name of the binary as identified by |
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844b047e260d
Performance Investigator Carbide extension 2.3.0
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the OS</li> |
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Performance Investigator Carbide extension 2.3.0
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<li>Process ID (PID) — the process ID that uniquely identifies the |
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Performance Investigator Carbide extension 2.3.0
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process to the OS </li> |
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<li>Thread name —the name of the thread</li> |
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<li>Thread ID (TID) — the thread ID that uniquely identifies the thread |
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Performance Investigator Carbide extension 2.3.0
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</li> |
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</ul> |
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</li> |
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<li>The <b>Samples</b> column indicates how many samples were taken during |
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the selected time interval (in this case between 8.16 and 8.5 seconds).</li> |
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<li>If the profiler data file contained thread priority information, then a |
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Performance Investigator Carbide extension 2.3.0
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<b>Priority List</b> column will be shown. The column lists the time at |
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Performance Investigator Carbide extension 2.3.0
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which a thread was assigned that priority. Sometimes you will see more than |
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one priority listed for each thread.</li> |
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Performance Investigator Carbide extension 2.3.0
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</ul> |
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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>The final row of the information section contains summary information about |
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all threads below a threshold, if a threshold limit has been specified. The |
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threshold row is not affected by sorting, it is always the last row.</p> |
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<p>You can check or uncheck items to be displayed in the graph or right-click |
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to display a context menu of various options. The color next to a checkbox |
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corresponds to that item’s color in the graph.</p> |
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<p>For SMP systems with more than one CPU it is also possible to select to</p> |
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<ul> |
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<li><b>Show Combined CPU Graph</b>, that is, to view all CPUs merged into one |
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graph, as in Figure 1, or</li> |
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<li><b>Show Separate CPU Graphs</b>, that is, to view a separate graph and |
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table for each CPU, as in Figure 2.</li> |
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</ul> |
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<p>This is done by using either the context menu, which you can open by |
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right-clicking on the CPU graph; or in the <a |
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href="investigator_menu.htm">Investigator menu</a>'s CPU Load Graphs part.</p> |
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<p align="center"><img src="images/thread_mode_separate_graphs.png" width="712" |
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height="689"> </p> |
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<p align="center" class="figure">Figure 2. Thread Load Graph displaying |
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separate CPU graphs</p> |
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<p>In the separate graphs view, there is also a separate legend table created |
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for each graph. You can choose the table you want to view by using the tabs |
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above the table. </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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<li><a href="investigator_menu.htm">Investigator menu</a></li> |
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<li><a href="../profiler/GPP_trace.htm">Address/Thread Trace</a></li> |
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<li><a href="binary_load.htm">Binary Load</a></li> |
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<li><a href="function_load.htm">Function Load</a></li> |
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<li><a href="function_calls.htm">Function Calls</a></li> |
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<li><a href="threshold.htm">Threshold Limits for Traced Data</a></li> |
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</ul> |
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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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