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-<!-- Copyright (C) 2003 Red Hat, Inc.                                -->
-<!-- This material may be distributed only subject to the terms      -->
-<!-- and conditions set forth in the Open Publication License, v1.0  -->
-<!-- or later (the latest version is presently available at          -->
-<!-- http://www.opencontent.org/openpub/).                           -->
-<!-- Distribution of the work or derivative of the work in any       -->
-<!-- standard (paper) book form is prohibited unless prior           -->
-<!-- permission is obtained from the copyright holder.               -->
-<HTML
-><HEAD
-><TITLE
->Board: Cirrus Logic EDB7111-2 Development Board</TITLE
-><meta name="MSSmartTagsPreventParsing" content="TRUE">
-<META
-NAME="GENERATOR"
-CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+
-"><LINK
-REL="HOME"
-TITLE="eCos User Guide"
-HREF="ecos-user-guide.html"><LINK
-REL="UP"
-TITLE="Real-time characterization"
-HREF="real-time-characterization.html"><LINK
-REL="PREVIOUS"
-TITLE="Board: Intel StrongARM EBSA-285 Evaluation Board"
-HREF="rt-arm-ebsa285.html"><LINK
-REL="NEXT"
-TITLE="Board: ARM PID Evaluation Board"
-HREF="rt-arm-pid.html"></HEAD
-><BODY
-CLASS="SECT1"
-BGCOLOR="#FFFFFF"
-TEXT="#000000"
-LINK="#0000FF"
-VLINK="#840084"
-ALINK="#0000FF"
-><DIV
-CLASS="NAVHEADER"
-><TABLE
-SUMMARY="Header navigation table"
-WIDTH="100%"
-BORDER="0"
-CELLPADDING="0"
-CELLSPACING="0"
-><TR
-><TH
-COLSPAN="3"
-ALIGN="center"
->eCos User Guide</TH
-></TR
-><TR
-><TD
-WIDTH="10%"
-ALIGN="left"
-VALIGN="bottom"
-><A
-HREF="rt-arm-ebsa285.html"
-ACCESSKEY="P"
->Prev</A
-></TD
-><TD
-WIDTH="80%"
-ALIGN="center"
-VALIGN="bottom"
->Appendix B. Real-time characterization</TD
-><TD
-WIDTH="10%"
-ALIGN="right"
-VALIGN="bottom"
-><A
-HREF="rt-arm-pid.html"
-ACCESSKEY="N"
->Next</A
-></TD
-></TR
-></TABLE
-><HR
-ALIGN="LEFT"
-WIDTH="100%"></DIV
-><DIV
-CLASS="SECT1"
-><H1
-CLASS="SECT1"
-><A
-NAME="RT-ARM-EP7211">Board: Cirrus Logic EDB7111-2 Development Board</H1
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN4500">CPU  : Cirrus Logic EP7211 73MHz</H2
-><TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="LITERALLAYOUT"
->Board: Cirrus Logic EDB7111-2 Development Board
-
-CPU  : Cirrus Logic EP7211 73MHz
-
-
-
-Startup, main stack             : stack used   404 size  2400
-Startup              :  Interrupt stack used   136 size  4096
-Startup              : Idlethread stack used    88 size  2048
-
-eCos Kernel Timings
-Notes: all times are in microseconds (.000001) unless otherwise stated
-
-Reading the hardware clock takes 0 'ticks' overhead
-... this value will be factored out of all other measurements
-Clock interrupt took  356.69 microseconds (182 raw clock ticks)
-
-Testing parameters:
-   Clock samples:            32
-   Threads:                  64
-   Thread switches:         128
-   Mutexes:                  32
-   Mailboxes:                32
-   Semaphores:               32
-   Scheduler operations:    128
-   Counters:                 32
-   Alarms:                   32
-
-
-                                 Confidence
-     Ave     Min     Max     Var  Ave  Min  Function
-  ======  ======  ======  ====== ========== ========
-   22.71   17.58   37.11    3.07   46%  34% Create thread
-    4.36    3.91    5.86    0.70   76%  76% Yield thread [all suspended]
-    4.24    3.91    7.81    0.56   84%  84% Suspend [suspended] thread
-    4.09    1.95    7.81    0.45   85%   3% Resume thread
-    5.31    3.91   11.72    0.92   65%  32% Set priority
-    2.11    1.95    3.91    0.28   92%  92% Get priority
-   11.54    9.77   25.39    0.99   62%  28% Kill [suspended] thread
-    4.46    3.91    9.77    0.82   75%  75% Yield [no other] thread
-    7.57    5.86   13.67    0.69   75%  20% Resume [suspended low prio] thread
-    3.94    1.95    5.86    0.18   92%   3% Resume [runnable low prio] thread
-    7.02    5.86   13.67    1.05   53%  45% Suspend [runnable] thread
-    4.42    3.91    9.77    0.79   76%  76% Yield [only low prio] thread
-    4.24    1.95    5.86    0.61   79%   1% Suspend [runnable-&#62;not runnable]
-   11.29    9.77   27.34    1.14   57%  37% Kill [runnable] thread
-    6.29    3.91   11.72    0.84   71%   4% Destroy [dead] thread
-   13.52   11.72   31.25    0.90   70%  25% Destroy [runnable] thread
-   24.50   21.48   42.97    1.69   79%  12% Resume [high priority] thread
-    8.79    7.81   19.53    1.05   99%  53% Thread switch
-
-    1.66    0.00    3.91    0.52   83%  15% Scheduler lock
-    2.59    1.95    3.91    0.86   67%  67% Scheduler unlock [0 threads]
-    2.62    1.95    3.91    0.88   65%  65% Scheduler unlock [1 suspended]
-    2.61    1.95    3.91    0.87   66%  66% Scheduler unlock [many suspended]
-    2.58    1.95    3.91    0.85   67%  67% Scheduler unlock [many low prio]
-
-    2.69    1.95    5.86    0.96   65%  65% Init mutex
-    4.88    3.91    9.77    1.10   96%  56% Lock [unlocked] mutex
-    4.64    3.91   11.72    1.05   71%  71% Unlock [locked] mutex
-    3.97    1.95    7.81    0.47   81%   9% Trylock [unlocked] mutex
-    3.48    1.95    3.91    0.67   78%  21% Trylock [locked] mutex
-    1.77    0.00    3.91    0.44   84%  12% Destroy mutex
-   31.92   29.30   42.97    1.65   71%  18% Unlock/Lock mutex
-
-    4.09    3.91    9.77    0.35   96%  96% Create mbox
-    1.83    0.00    3.91    0.34   87%   9% Peek [empty] mbox
-    5.31    3.91    9.77    0.96   62%  34% Put [first] mbox
-    1.59    0.00    1.95    0.60   81%  18% Peek [1 msg] mbox
-    5.19    3.91    9.77    1.04   56%  40% Put [second] mbox
-    1.65    0.00    3.91    0.62   78%  18% Peek [2 msgs] mbox
-    5.43    3.91    9.77    0.86   68%  28% Get [first] mbox
-    5.31    3.91    7.81    0.96   59%  34% Get [second] mbox
-    4.76    3.91    9.77    1.07   62%  62% Tryput [first] mbox
-    4.82    1.95    9.77    1.15   93%   3% Peek item [non-empty] mbox
-    5.55    3.91   11.72    0.82   71%  25% Tryget [non-empty] mbox
-    3.97    1.95    7.81    0.59   75%  12% Peek item [empty] mbox
-    4.33    3.91    7.81    0.69   81%  81% Tryget [empty] mbox
-    1.59    0.00    3.91    0.79   68%  25% Waiting to get mbox
-    1.71    0.00    3.91    0.53   81%  15% Waiting to put mbox
-    5.25    3.91    9.77    1.01   59%  37% Delete mbox
-   17.82   15.63   29.30    1.14   65%  18% Put/Get mbox
-
-    2.69    1.95    5.86    0.96   65%  65% Init semaphore
-    3.78    1.95    7.81    0.46   84%  12% Post [0] semaphore
-    4.27    3.91    7.81    0.62   84%  84% Wait [1] semaphore
-    3.72    1.95    7.81    0.66   75%  18% Trywait [0] semaphore
-    3.29    1.95    5.86    0.92   62%  34% Trywait [1] semaphore
-    2.32    1.95    3.91    0.59   81%  81% Peek semaphore
-    1.89    0.00    3.91    0.24   90%   6% Destroy semaphore
-   15.75   13.67   29.30    1.07   68%  21% Post/Wait semaphore
-
-    2.69    1.95    5.86    0.96   65%  65% Create counter
-    1.83    0.00    1.95    0.23   93%   6% Get counter value
-    1.53    0.00    3.91    0.76   71%  25% Set counter value
-    4.82    3.91    5.86    0.97   53%  53% Tick counter
-    1.89    0.00    1.95    0.12   96%   3% Delete counter
-
-    3.78    1.95    7.81    0.46   84%  12% Create alarm
-    7.99    5.86   15.63    0.70   81%   9% Initialize alarm
-    1.71    0.00    1.95    0.43   87%  12% Disable alarm
-    7.14    5.86   11.72    1.04   56%  40% Enable alarm
-    2.50    1.95    3.91    0.79   71%  71% Delete alarm
-    4.94    3.91    7.81    1.04   96%  50% Tick counter [1 alarm]
-   19.47   17.58   23.44    0.36   87%   9% Tick counter [many alarms]
-    7.63    5.86   11.72    0.55   81%  15% Tick &#38; fire counter [1 alarm]
-   99.06   97.66  105.47    1.05   59%  37% Tick &#38; fire counters [&#62;1 together]
-   22.15   21.48   27.34    0.96   71%  71% Tick &#38; fire counters [&#62;1 separately]
-  359.16  357.42  378.91    0.87   71%  25% Alarm latency [0 threads]
-  364.03  357.42  402.34    3.03   58%  15% Alarm latency [2 threads]
-  408.25  402.34  416.02    2.89   53%  24% Alarm latency [many threads]
-  381.16  376.95  492.19    2.48   95%  46% Alarm -&#62; thread resume latency
-
-    9.79    5.86   19.53    0.00            Clock/interrupt latency
-
-   12.13    5.86   31.25    0.00            Clock DSR latency
-
-   12       0     316  (main stack:   752)  Thread stack used (1120 total)
-All done, main stack            : stack used   752 size  2400
-All done             :  Interrupt stack used   288 size  4096
-All done             : Idlethread stack used   276 size  2048
-
-Timing complete - 30450 ms total
-
-PASS:&lt;Basic timing OK&#62;
-EXIT:&lt;done&#62;
-
-         </PRE
-></TD
-></TR
-></TABLE
-></DIV
-><DIV
-CLASS="SECT2"
-><H2
-CLASS="SECT2"
-><A
-NAME="AEN4503">CPU  : Cirrus Logic EP7212 73MHz</H2
-><TABLE
-BORDER="5"
-BGCOLOR="#E0E0F0"
-WIDTH="70%"
-><TR
-><TD
-><PRE
-CLASS="LITERALLAYOUT"
->Board: Cirrus Logic EDB7111-2 Development Board
-
-CPU  : Cirrus Logic EP7212 73MHz
-
-
-
-Startup, main stack             : stack used   404 size  2400
-Startup              :  Interrupt stack used   136 size  4096
-Startup              : Idlethread stack used    88 size  2048
-
-eCos Kernel Timings
-Notes: all times are in microseconds (.000001) unless otherwise stated
-
-Reading the hardware clock takes 0 'ticks' overhead
-... this value will be factored out of all other measurements
-Clock interrupt took  356.32 microseconds (182 raw clock ticks)
-
-Testing parameters:
-   Clock samples:            32
-   Threads:                  64
-   Thread switches:         128
-   Mutexes:                  32
-   Mailboxes:                32
-   Semaphores:               32
-   Scheduler operations:    128
-   Counters:                 32
-   Alarms:                   32
-
-
-                                 Confidence
-     Ave     Min     Max     Var  Ave  Min  Function
-  ======  ======  ======  ====== ========== ========
-   22.43   15.63   33.20    3.02   68%  18% Create thread
-    4.48    3.91    5.86    0.81   70%  70% Yield thread [all suspended]
-    4.42    3.91    7.81    0.78   75%  75% Suspend [suspended] thread
-    4.12    1.95    5.86    0.49   82%   3% Resume thread
-    5.62    3.91   11.72    0.64   78%  18% Set priority
-    2.17    1.95    3.91    0.38   89%  89% Get priority
-   11.54    9.77   27.34    0.88   70%  25% Kill [suspended] thread
-    4.64    3.91    9.77    0.96   65%  65% Yield [no other] thread
-    7.51    5.86   15.63    0.72   76%  21% Resume [suspended low prio] thread
-    3.88    1.95    9.77    0.42   82%  10% Resume [runnable low prio] thread
-    7.14    5.86   13.67    1.00   59%  39% Suspend [runnable] thread
-    4.52    3.91    7.81    0.86   70%  70% Yield [only low prio] thread
-    4.15    1.95    7.81    0.49   85%   1% Suspend [runnable-&#62;not runnable]
-   11.26    9.77   27.34    1.17   56%  39% Kill [runnable] thread
-    6.22    3.91   13.67    0.88   70%   7% Destroy [dead] thread
-   13.64   11.72   33.20    1.02   64%  26% Destroy [runnable] thread
-   24.17   21.48   41.02    1.49   82%  12% Resume [high priority] thread
-    8.80    7.81   21.48    1.08   98%  54% Thread switch
-
-    1.60    0.00    1.95    0.58   82%  17% Scheduler lock
-    2.61    1.95    3.91    0.87   66%  66% Scheduler unlock [0 threads]
-    2.59    1.95    3.91    0.86   67%  67% Scheduler unlock [1 suspended]
-    2.61    1.95    3.91    0.87   66%  66% Scheduler unlock [many suspended]
-    2.59    1.95    3.91    0.86   67%  67% Scheduler unlock [many low prio]
-
-    2.62    1.95    3.91    0.88   65%  65% Init mutex
-    4.82    3.91    9.77    1.09   96%  59% Lock [unlocked] mutex
-    4.39    3.91    9.77    0.79   81%  81% Unlock [locked] mutex
-    3.84    1.95    7.81    0.36   87%   9% Trylock [unlocked] mutex
-    3.54    1.95    5.86    0.69   75%  21% Trylock [locked] mutex
-    1.83    0.00    3.91    0.34   87%   9% Destroy mutex
-   34.61   31.25   46.88    1.68   78%   9% Unlock/Lock mutex
-
-    3.97    1.95    7.81    0.24   93%   3% Create mbox
-    1.83    0.00    3.91    0.34   87%   9% Peek [empty] mbox
-    4.76    3.91    9.77    1.07   62%  62% Put [first] mbox
-    1.71    0.00    3.91    0.64   75%  18% Peek [1 msg] mbox
-    5.00    3.91    9.77    1.10   96%  50% Put [second] mbox
-    1.65    0.00    1.95    0.52   84%  15% Peek [2 msgs] mbox
-    5.31    3.91   11.72    1.05   59%  37% Get [first] mbox
-    5.13    3.91    7.81    0.99   56%  40% Get [second] mbox
-    4.76    3.91   11.72    1.12   96%  65% Tryput [first] mbox
-    4.46    3.91    7.81    0.82   75%  75% Peek item [non-empty] mbox
-    5.55    3.91    9.77    0.82   68%  25% Tryget [non-empty] mbox
-    4.03    1.95    7.81    0.58   78%   9% Peek item [empty] mbox
-    4.27    3.91    5.86    0.59   81%  81% Tryget [empty] mbox
-    1.77    0.00    3.91    0.44   84%  12% Waiting to get mbox
-    1.59    0.00    1.95    0.60   81%  18% Waiting to put mbox
-    5.37    3.91    9.77    0.91   65%  31% Delete mbox
-   16.66   13.67   27.34    1.42   90%   3% Put/Get mbox
-
-    2.62    1.95    5.86    0.92   68%  68% Init semaphore
-    3.84    1.95    7.81    0.47   81%  12% Post [0] semaphore
-    4.21    3.91    7.81    0.53   87%  87% Wait [1] semaphore
-    3.48    1.95    5.86    0.76   71%  25% Trywait [0] semaphore
-    3.60    1.95    5.86    0.62   78%  18% Trywait [1] semaphore
-    2.26    1.95    5.86    0.53   87%  87% Peek semaphore
-    1.89    0.00    1.95    0.12   96%   3% Destroy semaphore
-   16.05   13.67   29.30    1.40   59%  18% Post/Wait semaphore
-
-    2.38    1.95    3.91    0.67   78%  78% Create counter
-    2.01    0.00    3.91    0.35   84%   6% Get counter value
-    1.89    0.00    3.91    0.24   90%   6% Set counter value
-    4.58    3.91    5.86    0.88   65%  65% Tick counter
-    1.71    0.00    1.95    0.43   87%  12% Delete counter
-
-    3.84    1.95    7.81    0.36   87%   9% Create alarm
-    7.99    5.86   15.63    0.47   93%   3% Initialize alarm
-    2.01    0.00    3.91    0.35   84%   6% Disable alarm
-    6.53    5.86   13.67    1.01   75%  75% Enable alarm
-    2.32    1.95    3.91    0.59   81%  81% Delete alarm
-    4.76    3.91    7.81    1.01   59%  59% Tick counter [1 alarm]
-   19.53   17.58   23.44    0.24   90%   6% Tick counter [many alarms]
-    7.57    5.86   13.67    0.75   75%  21% Tick &#38; fire counter [1 alarm]
-   98.57   97.66  105.47    1.14   96%  62% Tick &#38; fire counters [&#62;1 together]
-   22.15   21.48   27.34    0.96   71%  71% Tick &#38; fire counters [&#62;1 separately]
-  359.18  357.42  384.77    1.10   65%  31% Alarm latency [0 threads]
-  362.63  357.42  396.48    2.55   43%  27% Alarm latency [2 threads]
-  408.22  402.34  416.02    2.73   55%  21% Alarm latency [many threads]
-  378.63  375.00  494.14    2.56   93%  71% Alarm -&#62; thread resume latency
-
-    9.78    5.86   19.53    0.00            Clock/interrupt latency
-
-   12.21    5.86   31.25    0.00            Clock DSR latency
-
-   12       0     316  (main stack:   752)  Thread stack used (1120 total)
-All done, main stack            : stack used   752 size  2400
-All done             :  Interrupt stack used   288 size  4096
-All done             : Idlethread stack used   276 size  2048
-
-Timing complete - 30550 ms total
-
-PASS:&lt;Basic timing OK&#62;
-EXIT:&lt;done&#62;
-
-         </PRE
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