URL
https://opencores.org/ocsvn/openrisc_2011-10-31/openrisc_2011-10-31/trunk
Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [rt-v850-cebsb1.html] - Rev 174
Compare with Previous | Blame | View Log
<!-- 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: NEC V850 Cosmo Evaluation 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: NEC V850 Cosmo Evaluation Board"
HREF="rt-v850-cebsa1.html"><LINK
REL="NEXT"
TITLE="GNU General Public License"
HREF="gnu-general-public-license.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-v850-cebsa1.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="gnu-general-public-license.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="RT-V850-CEBSB1">Board: NEC V850 Cosmo Evaluation Board</H1
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="LITERALLAYOUT"
>Board: NEC V850 Cosmo Evaluation Board
CPU: NEC CEB-V850/SB1 16MHz (in internal Flash)
Startup, main stack : stack used 572 size 2936
Startup : Interrupt stack used 132 size 4096
Startup : Idlethread stack used 210 size 2048
eCos Kernel Timings
Notes: all times are in microseconds (.000001) unless otherwise stated
Reading the hardware clock takes 8 'ticks' overhead
... this value will be factored out of all other measurements
Clock interrupt took 118.15 microseconds (472 raw clock ticks)
Testing parameters:
Clock samples: 32
Threads: 7
Thread switches: 128
Mutexes: 32
Mailboxes: 32
Semaphores: 32
Scheduler operations: 128
Counters: 32
Alarms: 32
Confidence
Ave Min Max Var Ave Min Function
====== ====== ====== ====== ========== ========
113.68 111.00 116.50 1.63 42% 28% Create thread
30.00 30.00 30.00 0.00 100% 100% Yield thread [all suspended]
29.57 29.50 29.75 0.10 71% 71% Suspend [suspended] thread
27.43 27.25 27.50 0.10 71% 28% Resume thread
34.11 34.00 34.25 0.12 57% 57% Set priority
1.57 1.50 1.75 0.10 71% 71% Get priority
72.96 72.75 73.00 0.06 85% 14% Kill [suspended] thread
30.00 30.00 30.00 0.00 100% 100% Yield [no other] thread
42.75 42.75 42.75 0.00 100% 100% Resume [suspended low prio] thread
27.00 27.00 27.00 0.00 100% 100% Resume [runnable low prio] thread
43.64 41.25 44.25 0.68 85% 14% Suspend [runnable] thread
30.00 30.00 30.00 0.00 100% 100% Yield [only low prio] thread
29.57 29.50 29.75 0.10 71% 71% Suspend [runnable->not runnable]
72.93 72.75 73.00 0.10 71% 28% Kill [runnable] thread
44.89 44.75 45.75 0.24 85% 85% Destroy [dead] thread
103.00 101.50 103.25 0.43 85% 14% Destroy [runnable] thread
175.21 171.50 197.50 6.37 85% 85% Resume [high priority] thread
84.11 79.50 197.25 1.77 98% 0% Thread switch
1.00 1.00 1.00 0.00 100% 100% Scheduler lock
20.06 20.00 20.25 0.09 75% 75% Scheduler unlock [0 threads]
20.00 20.00 20.00 0.00 100% 100% Scheduler unlock [1 suspended]
20.06 20.00 20.25 0.09 75% 75% Scheduler unlock [many suspended]
20.06 20.00 20.25 0.09 75% 75% Scheduler unlock [many low prio]
4.00 4.00 4.00 0.00 100% 100% Init mutex
33.00 33.00 33.00 0.00 100% 100% Lock [unlocked] mutex
36.77 36.75 37.25 0.03 96% 96% Unlock [locked] mutex
28.13 28.00 28.25 0.13 100% 50% Trylock [unlocked] mutex
25.13 25.00 25.25 0.13 100% 50% Trylock [locked] mutex
4.88 4.75 5.00 0.13 100% 50% Destroy mutex
187.00 187.00 187.00 0.00 100% 100% Unlock/Lock mutex
10.00 10.00 10.00 0.00 100% 100% Create mbox
0.69 0.50 0.75 0.09 75% 25% Peek [empty] mbox
34.75 34.75 34.75 0.00 100% 100% Put [first] mbox
0.69 0.50 0.75 0.09 75% 25% Peek [1 msg] mbox
35.00 35.00 35.00 0.00 100% 100% Put [second] mbox
0.69 0.50 0.75 0.09 75% 25% Peek [2 msgs] mbox
36.00 36.00 36.00 0.00 100% 100% Get [first] mbox
36.00 36.00 36.00 0.00 100% 100% Get [second] mbox
31.00 31.00 31.00 0.00 100% 100% Tryput [first] mbox
29.50 29.50 29.50 0.00 100% 100% Peek item [non-empty] mbox
35.25 35.25 35.25 0.00 100% 100% Tryget [non-empty] mbox
27.69 27.50 27.75 0.09 75% 25% Peek item [empty] mbox
31.06 31.00 31.25 0.09 75% 75% Tryget [empty] mbox
0.94 0.75 1.00 0.09 75% 25% Waiting to get mbox
0.94 0.75 1.00 0.09 75% 25% Waiting to put mbox
37.81 37.75 38.00 0.09 75% 75% Delete mbox
112.00 112.00 112.00 0.00 100% 100% Put/Get mbox
3.19 3.00 3.25 0.09 75% 25% Init semaphore
25.38 25.25 25.50 0.13 100% 50% Post [0] semaphore
32.63 32.50 32.75 0.13 100% 50% Wait [1] semaphore
24.25 24.25 24.25 0.00 100% 100% Trywait [0] semaphore
25.00 25.00 25.00 0.00 100% 100% Trywait [1] semaphore
4.00 4.00 4.00 0.00 100% 100% Peek semaphore
4.88 4.75 5.00 0.13 100% 50% Destroy semaphore
124.50 124.50 124.50 0.00 100% 100% Post/Wait semaphore
6.50 6.50 6.50 0.00 100% 100% Create counter
1.25 1.25 1.25 0.00 100% 100% Get counter value
1.44 1.25 1.50 0.09 75% 25% Set counter value
36.25 36.25 36.25 0.00 100% 100% Tick counter
5.25 5.25 5.25 0.00 100% 100% Delete counter
12.25 12.25 12.25 0.00 100% 100% Create alarm
49.13 49.00 49.25 0.13 100% 50% Initialize alarm
2.81 2.75 3.00 0.09 75% 75% Disable alarm
48.50 48.50 48.50 0.00 100% 100% Enable alarm
8.25 8.25 8.25 0.00 100% 100% Delete alarm
46.50 46.50 46.50 0.00 100% 100% Tick counter [1 alarm]
485.42 482.25 580.00 5.91 96% 96% Tick counter [many alarms]
64.00 64.00 64.00 0.00 100% 100% Tick & fire counter [1 alarm]
1109.76 1100.50 1198.00 16.53 90% 90% Tick & fire counters [>1 together]
505.85 502.00 621.00 7.20 96% 96% Tick & fire counters [>1 separately]
96.26 95.75 161.25 1.02 99% 99% Alarm latency [0 threads]
159.20 95.75 160.75 2.52 97% 0% Alarm latency [2 threads]
159.73 110.50 161.75 1.53 97% 0% Alarm latency [many threads]
218.45 211.25 445.75 3.55 97% 1% Alarm -> thread resume latency
28.24 25.25 43.25 0.00 Clock/interrupt latency
60.15 40.50 221.50 0.00 Clock DSR latency
472 424 572 (main stack: 1052) Thread stack used (1912 total)
All done, main stack : stack used 1052 size 2936
All done : Interrupt stack used 280 size 4096
All done : Idlethread stack used 516 size 2048
Timing complete - 30590 ms total
PASS:<Basic timing OK>
EXIT:<done> </PRE
></TD
></TR
></TABLE
></DIV
><DIV
CLASS="NAVFOOTER"
><HR
ALIGN="LEFT"
WIDTH="100%"><TABLE
SUMMARY="Footer navigation table"
WIDTH="100%"
BORDER="0"
CELLPADDING="0"
CELLSPACING="0"
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
><A
HREF="rt-v850-cebsa1.html"
ACCESSKEY="P"
>Prev</A
></TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="ecos-user-guide.html"
ACCESSKEY="H"
>Home</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
><A
HREF="gnu-general-public-license.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Board: NEC V850 Cosmo Evaluation Board</TD
><TD
WIDTH="34%"
ALIGN="center"
VALIGN="top"
><A
HREF="real-time-characterization.html"
ACCESSKEY="U"
>Up</A
></TD
><TD
WIDTH="33%"
ALIGN="right"
VALIGN="top"
>GNU General Public License</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>