URL
https://opencores.org/ocsvn/openrisc/openrisc/trunk
Subversion Repositories openrisc
[/] [openrisc/] [trunk/] [rtos/] [ecos-2.0/] [doc/] [html/] [user-guide/] [rt-i386-pc.html] - Rev 858
Go to most recent revision | 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: PC</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: Hitachi Solution Engine 7751 SH4 (se7751)"
HREF="rt-sh-se7751.html"><LINK
REL="NEXT"
TITLE="Board: NEC V850 Cosmo Evaluation Board"
HREF="rt-v850-cebsa1.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-sh-se7751.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-v850-cebsa1.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="RT-I386-PC">Board: PC</H1
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="LITERALLAYOUT"
>Board: PC
CPU: 433MHz Celeron
Startup, main stack : stack used 124 size 2912
Startup : Interrupt stack used 280 size 4108
Startup : Idlethread stack used 62 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 6.75 microseconds (8 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
====== ====== ====== ====== ========== ========
3.93 1.68 8.38 0.93 68% 3% Create thread
0.71 0.00 3.35 0.84 59% 59% Yield thread [all suspended]
0.65 0.00 5.03 0.84 64% 64% Suspend [suspended] thread
0.63 0.00 1.68 0.79 62% 62% Resume thread
0.76 0.00 1.68 0.83 54% 54% Set priority
0.39 0.00 1.68 0.60 76% 76% Get priority
1.34 0.00 6.70 0.67 73% 25% Kill [suspended] thread
0.68 0.00 1.68 0.81 59% 59% Yield [no other] thread
0.92 0.00 1.68 0.83 54% 45% Resume [suspended low prio] thread
0.63 0.00 1.68 0.79 62% 62% Resume [runnable low prio] thread
0.84 0.00 1.68 0.84 100% 50% Suspend [runnable] thread
0.73 0.00 1.68 0.82 56% 56% Yield [only low prio] thread
0.58 0.00 1.68 0.76 65% 65% Suspend [runnable->not runnable]
1.26 0.00 3.35 0.67 71% 26% Kill [runnable] thread
0.86 0.00 3.35 0.86 98% 50% Destroy [dead] thread
1.44 0.00 1.68 0.40 85% 14% Destroy [runnable] thread
4.45 3.35 6.70 0.89 53% 40% Resume [high priority] thread
1.62 0.00 1.68 0.10 96% 3% Thread switch
0.41 0.00 1.68 0.61 75% 75% Scheduler lock
0.48 0.00 1.68 0.69 71% 71% Scheduler unlock [0 threads]
0.59 0.00 1.68 0.76 64% 64% Scheduler unlock [1 suspended]
0.45 0.00 1.68 0.65 73% 73% Scheduler unlock [many suspended]
0.45 0.00 1.68 0.65 73% 73% Scheduler unlock [many low prio]
0.52 0.00 1.68 0.72 68% 68% Init mutex
0.79 0.00 5.03 0.93 96% 59% Lock [unlocked] mutex
0.84 0.00 5.03 0.94 96% 56% Unlock [locked] mutex
0.63 0.00 1.68 0.79 62% 62% Trylock [unlocked] mutex
0.52 0.00 1.68 0.72 68% 68% Trylock [locked] mutex
0.58 0.00 1.68 0.76 65% 65% Destroy mutex
3.40 3.35 5.03 0.10 96% 96% Unlock/Lock mutex
0.99 0.00 1.68 0.81 59% 40% Create mbox
0.47 0.00 1.68 0.68 71% 71% Peek [empty] mbox
0.79 0.00 5.03 0.93 96% 59% Put [first] mbox
0.42 0.00 1.68 0.63 75% 75% Peek [1 msg] mbox
0.79 0.00 1.68 0.83 53% 53% Put [second] mbox
0.37 0.00 1.68 0.57 78% 78% Peek [2 msgs] mbox
0.73 0.00 3.35 0.87 59% 59% Get [first] mbox
0.73 0.00 1.68 0.82 56% 56% Get [second] mbox
0.79 0.00 3.35 0.88 56% 56% Tryput [first] mbox
0.68 0.00 3.35 0.85 62% 62% Peek item [non-empty] mbox
0.73 0.00 3.35 0.87 59% 59% Tryget [non-empty] mbox
0.63 0.00 1.68 0.79 62% 62% Peek item [empty] mbox
0.68 0.00 1.68 0.81 59% 59% Tryget [empty] mbox
0.26 0.00 1.68 0.44 84% 84% Waiting to get mbox
0.63 0.00 1.68 0.79 62% 62% Waiting to put mbox
0.73 0.00 3.35 0.87 59% 59% Delete mbox
3.25 1.68 3.35 0.20 93% 6% Put/Get mbox
0.63 0.00 1.68 0.79 62% 62% Init semaphore
0.63 0.00 1.68 0.79 62% 62% Post [0] semaphore
0.63 0.00 1.68 0.79 62% 62% Wait [1] semaphore
0.52 0.00 1.68 0.72 68% 68% Trywait [0] semaphore
0.52 0.00 1.68 0.72 68% 68% Trywait [1] semaphore
0.52 0.00 1.68 0.72 68% 68% Peek semaphore
0.21 0.00 1.68 0.37 87% 87% Destroy semaphore
3.30 1.68 3.35 0.10 96% 3% Post/Wait semaphore
0.79 0.00 3.35 0.88 56% 56% Create counter
0.42 0.00 1.68 0.63 75% 75% Get counter value
0.37 0.00 1.68 0.57 78% 78% Set counter value
0.73 0.00 1.68 0.82 56% 56% Tick counter
0.63 0.00 1.68 0.79 62% 62% Delete counter
0.89 0.00 3.35 0.89 96% 50% Create alarm
0.84 0.00 1.68 0.84 100% 50% Initialize alarm
0.52 0.00 1.68 0.72 68% 68% Disable alarm
0.89 0.00 3.35 0.89 96% 50% Enable alarm
0.58 0.00 1.68 0.76 65% 65% Delete alarm
0.63 0.00 1.68 0.79 62% 62% Tick counter [1 alarm]
5.03 3.35 6.70 0.10 93% 3% Tick counter [many alarms]
0.94 0.00 1.68 0.82 56% 43% Tick & fire counter [1 alarm]
11.16 10.06 11.73 0.76 65% 34% Tick & fire counters [>1 together]
5.19 5.03 6.70 0.28 90% 90% Tick & fire counters [>1 separately]
0.01 0.00 1.68 0.03 99% 99% Alarm latency [0 threads]
0.13 0.00 1.68 0.24 92% 92% Alarm latency [2 threads]
0.94 0.00 3.35 0.85 53% 45% Alarm latency [many threads]
1.75 1.68 6.70 0.15 96% 96% Alarm -> thread resume latency
41 0 368 (main stack: 1036) Thread stack used (1712 total)
All done, main stack : stack used 1036 size 2912
All done : Interrupt stack used 368 size 4108
All done : Idlethread stack used 288 size 2048
Timing complete - 28520 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-sh-se7751.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="rt-v850-cebsa1.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Board: Hitachi Solution Engine 7751 SH4 (se7751)</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"
>Board: NEC V850 Cosmo Evaluation Board</TD
></TR
></TABLE
></DIV
></BODY
></HTML
> Go to most recent revision | Compare with Previous | Blame | View Log