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-sh-se7751.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: Hitachi Solution Engine 7751 SH4 (se7751)</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 HS7729PCI HS7729 SH3"
HREF="rt-sh-hs7729pci.html"><LINK
REL="NEXT"
TITLE="Board: PC"
HREF="rt-i386-pc.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-hs7729pci.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-i386-pc.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
></TABLE
><HR
ALIGN="LEFT"
WIDTH="100%"></DIV
><DIV
CLASS="SECT1"
><H1
CLASS="SECT1"
><A
NAME="RT-SH-SE7751">Board: Hitachi Solution Engine 7751 SH4 (se7751)</H1
><TABLE
BORDER="5"
BGCOLOR="#E0E0F0"
WIDTH="70%"
><TR
><TD
><PRE
CLASS="LITERALLAYOUT"
>Board: Hitachi Solution Engine 7751 SH4 (se7751)
CPU: Hitachi SH4/7751 162MHz
Startup, main stack : stack used 464 size 4112
Startup : Interrupt stack used 92 size 4096
Startup : Idlethread stack used 94 size 2048
eCos Kernel Timings
Notes: all times are in microseconds (.000001) unless otherwise stated
Reading the hardware clock takes 1 `ticks' overhead
... this value will be factored out of all other measurements
Clock interrupt took 14.27 microseconds (96 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
====== ====== ====== ====== ========== ========
8.06 5.63 12.15 1.37 46% 29% Create thread
1.15 1.04 5.19 0.15 98% 98% Yield thread [all suspended]
1.13 0.89 5.04 0.27 89% 62% Suspend [suspended] thread
1.11 0.89 5.19 0.26 89% 71% Resume thread
1.45 1.19 3.56 0.23 53% 53% Set priority
0.21 0.15 1.19 0.10 90% 79% Get priority
4.15 3.56 13.04 0.53 68% 64% Kill [suspended] thread
1.12 1.04 3.70 0.12 98% 70% Yield [no other] thread
1.75 1.33 8.00 0.38 59% 65% Resume [suspended low prio] thread
1.10 0.89 4.59 0.25 87% 73% Resume [runnable low prio] thread
1.59 1.33 5.93 0.33 81% 79% Suspend [runnable] thread
1.13 1.04 4.30 0.13 98% 71% Yield [only low prio] thread
1.09 0.89 3.56 0.21 89% 70% Suspend [runnable->not runnable]
4.96 4.30 11.70 0.44 68% 39% Kill [runnable] thread
1.95 1.48 8.00 0.34 75% 57% Destroy [dead] thread
4.41 3.85 10.37 0.47 53% 57% Destroy [runnable] thread
13.15 11.41 23.85 1.11 73% 39% Resume [high priority] thread
3.10 2.96 6.22 0.11 41% 39% Thread switch
0.13 0.00 1.33 0.06 74% 21% Scheduler lock
0.76 0.74 1.78 0.03 96% 96% Scheduler unlock [0 threads]
0.76 0.74 1.78 0.03 96% 96% Scheduler unlock [1 suspended]
0.77 0.74 2.67 0.05 95% 95% Scheduler unlock [many suspended]
0.76 0.74 2.37 0.04 95% 95% Scheduler unlock [many low prio]
0.52 0.15 2.67 0.26 65% 34% Init mutex
1.23 1.04 5.63 0.32 93% 93% Lock [unlocked] mutex
1.45 1.19 5.33 0.31 90% 87% Unlock [locked] mutex
1.13 0.89 4.15 0.28 90% 84% Trylock [unlocked] mutex
1.00 0.89 2.96 0.17 87% 87% Trylock [locked] mutex
0.37 0.30 1.78 0.13 90% 84% Destroy mutex
9.09 8.59 12.59 0.43 71% 71% Unlock/Lock mutex
0.93 0.59 4.30 0.40 84% 71% Create mbox
0.26 0.00 1.19 0.17 71% 59% Peek [empty] mbox
3.03 2.52 6.37 0.47 50% 59% Put [first] mbox
0.23 0.00 0.74 0.14 68% 15% Peek [1 msg] mbox
2.93 2.52 4.74 0.46 71% 59% Put [second] mbox
0.22 0.00 0.59 0.13 68% 15% Peek [2 msgs] mbox
2.07 1.63 5.93 0.37 84% 59% Get [first] mbox
2.06 1.63 4.74 0.34 78% 59% Get [second] mbox
1.48 1.04 5.48 0.37 62% 53% Tryput [first] mbox
1.31 1.04 4.89 0.32 96% 75% Peek item [non-empty] mbox
1.47 1.04 5.78 0.38 84% 65% Tryget [non-empty] mbox
1.15 0.89 3.11 0.18 71% 56% Peek item [empty] mbox
1.20 1.04 3.85 0.21 93% 84% Tryget [empty] mbox
0.21 0.00 0.74 0.14 68% 18% Waiting to get mbox
0.19 0.00 0.44 0.10 43% 15% Waiting to put mbox
2.19 1.93 5.78 0.27 93% 71% Delete mbox
10.23 9.93 11.56 0.15 53% 37% Put/Get mbox
0.37 0.15 1.33 0.26 71% 71% Init semaphore
0.98 0.89 2.52 0.13 96% 68% Post [0] semaphore
1.08 0.89 3.26 0.15 68% 93% Wait [1] semaphore
0.98 0.89 3.41 0.16 93% 93% Trywait [0] semaphore
0.73 0.59 1.63 0.07 71% 25% Trywait [1] semaphore
0.33 0.30 1.33 0.07 93% 93% Peek semaphore
0.34 0.30 1.78 0.09 96% 96% Destroy semaphore
9.36 8.74 10.37 0.33 56% 31% Post/Wait semaphore
0.54 0.15 3.26 0.23 59% 37% Create counter
0.13 0.00 0.59 0.07 68% 25% Get counter value
0.14 0.00 0.59 0.07 68% 25% Set counter value
3.74 3.56 5.33 0.17 53% 75% Tick counter
0.32 0.15 2.07 0.12 71% 21% Delete counter
1.59 1.19 3.11 0.29 71% 43% Create alarm
1.89 1.48 6.37 0.44 87% 78% Initialize alarm
0.20 0.15 0.74 0.09 87% 84% Disable alarm
1.62 1.33 5.63 0.41 87% 84% Enable alarm
0.40 0.30 1.33 0.13 87% 62% Delete alarm
4.03 3.70 5.78 0.27 68% 56% Tick counter [1 alarm]
14.18 13.93 15.70 0.27 81% 75% Tick counter [many alarms]
4.81 4.59 5.93 0.13 81% 15% Tick & fire counter [1 alarm]
30.77 30.52 33.63 0.20 75% 65% Tick & fire counters [>1 together]
15.10 14.52 17.04 0.23 71% 3% Tick & fire counters [>1 separately]
8.78 8.59 18.22 0.20 97% 89% Alarm latency [0 threads]
11.29 9.33 17.48 1.02 56% 22% Alarm latency [2 threads]
18.70 15.70 26.37 1.45 54% 22% Alarm latency [many threads]
19.40 18.81 57.48 0.65 97% 97% Alarm -> thread resume latency
4.18 2.81 8.89 0.00 Clock/interrupt latency
3.98 2.52 11.56 0.00 Clock DSR latency
6 0 380 (main stack: 728) Thread stack used (992 total)
All done, main stack : stack used 728 size 4112
All done : Interrupt stack used 196 size 4096
All done : Idlethread stack used 360 size 2048
Timing complete - 29790 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-hs7729pci.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-i386-pc.html"
ACCESSKEY="N"
>Next</A
></TD
></TR
><TR
><TD
WIDTH="33%"
ALIGN="left"
VALIGN="top"
>Board: Hitachi HS7729PCI HS7729 SH3</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: PC</TD
></TR
></TABLE
></DIV
></BODY
></HTML
>