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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: Hitachi HS7729PCI HS7729 SH3</TITLE><meta name="MSSmartTagsPreventParsing" content="TRUE"><METANAME="GENERATOR"CONTENT="Modular DocBook HTML Stylesheet Version 1.76b+"><LINKREL="HOME"TITLE="eCos User Guide"HREF="ecos-user-guide.html"><LINKREL="UP"TITLE="Real-time characterization"HREF="real-time-characterization.html"><LINKREL="PREVIOUS"TITLE="Board: CQ CqREEK SH3 Evaluation Board (cq7708)"HREF="rt-sh-cq7708.html"><LINKREL="NEXT"TITLE="Board: Hitachi Solution Engine 7751 SH4 (se7751)"HREF="rt-sh-se7751.html"></HEAD><BODYCLASS="SECT1"BGCOLOR="#FFFFFF"TEXT="#000000"LINK="#0000FF"VLINK="#840084"ALINK="#0000FF"><DIVCLASS="NAVHEADER"><TABLESUMMARY="Header navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><THCOLSPAN="3"ALIGN="center">eCos User Guide</TH></TR><TR><TDWIDTH="10%"ALIGN="left"VALIGN="bottom"><AHREF="rt-sh-cq7708.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="80%"ALIGN="center"VALIGN="bottom">Appendix B. Real-time characterization</TD><TDWIDTH="10%"ALIGN="right"VALIGN="bottom"><AHREF="rt-sh-se7751.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="RT-SH-HS7729PCI">Board: Hitachi HS7729PCI HS7729 SH3</H1><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="LITERALLAYOUT"> Board: Hitachi HS7729PCI HS7729 SH3CPU: Hitachi SH3/7729 132MHzStartup, main stack : stack used 464 size 4112Startup : Interrupt stack used 92 size 4096Startup : Idlethread stack used 94 size 2048eCos Kernel TimingsNotes: all times are in microseconds (.000001) unless otherwise statedReading the hardware clock takes 3 'ticks' overhead... this value will be factored out of all other measurementsClock interrupt took 18.10 microseconds (149 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 ====== ====== ====== ====== ========== ======== 18.33 15.52 28.24 1.47 53% 28% Create thread 3.08 2.91 6.79 0.13 78% 89% Yield thread [all suspended] 3.23 3.03 6.18 0.16 59% 70% Suspend [suspended] thread 2.70 2.55 6.18 0.15 54% 82% Resume thread 4.12 4.00 7.52 0.16 96% 81% Set priority 0.61 0.48 1.33 0.07 57% 28% Get priority 9.14 8.61 18.91 0.42 85% 57% Kill [suspended] thread 3.04 2.91 4.48 0.07 68% 20% Yield [no other] thread 5.12 4.73 7.88 0.29 60% 53% Resume [suspended low prio] thread 2.54 2.42 3.03 0.09 39% 40% Resume [runnable low prio] thread 5.00 4.36 9.45 0.21 75% 1% Suspend [runnable] thread 3.04 2.91 4.61 0.07 65% 21% Yield [only low prio] thread 2.91 2.79 3.27 0.08 43% 31% Suspend [runnable->not runnable] 8.82 8.12 15.39 0.36 68% 29% Kill [runnable] thread 5.07 4.48 12.73 0.37 76% 50% Destroy [dead] thread 11.17 10.55 22.91 0.52 78% 67% Destroy [runnable] thread 22.43 21.45 32.73 0.61 81% 50% Resume [high priority] thread 7.99 7.88 13.58 0.14 98% 86% Thread switch 0.37 0.36 1.33 0.02 97% 97% Scheduler lock 1.74 1.70 2.06 0.06 70% 70% Scheduler unlock [0 threads] 1.75 1.70 2.06 0.07 92% 64% Scheduler unlock [1 suspended] 1.71 1.70 2.42 0.03 89% 89% Scheduler unlock [many suspended] 1.76 1.70 3.64 0.08 96% 64% Scheduler unlock [many low prio] 4.23 3.88 10.67 0.41 96% 93% Unlock [locked] mutex 3.12 2.91 6.91 0.29 96% 87% Trylock [unlocked] mutex 2.54 2.42 2.91 0.11 18% 46% Trylock [locked] mutex 0.88 0.73 3.15 0.14 65% 96% Destroy mutex 22.33 22.06 25.94 0.23 81% 62% Unlock/Lock mutex 1.92 1.82 4.73 0.19 96% 93% Create mbox 0.61 0.48 1.70 0.15 84% 75% Peek [empty] mbox 4.00 3.64 9.45 0.36 96% 87% Put [first] mbox 0.30 0.24 0.73 0.09 84% 75% Peek [1 msg] mbox 3.82 3.64 6.67 0.22 90% 84% Put [second] mbox 0.32 0.24 1.33 0.12 81% 81% Peek [2 msgs] mbox 4.19 3.76 9.21 0.34 84% 50% Get [first] mbox 3.91 3.76 5.21 0.16 84% 75% Get [second] mbox 3.51 3.27 8.12 0.34 93% 87% Tryput [first] mbox 3.25 2.91 7.15 0.30 62% 56% Peek item [non-empty] mbox 3.86 3.52 8.73 0.37 93% 84% Tryget [non-empty] mbox 2.87 2.79 3.76 0.12 84% 71% Peek item [empty] mbox 3.15 3.03 4.24 0.10 46% 40% Tryget [empty] mbox 0.34 0.24 1.33 0.10 43% 46% Waiting to get mbox 0.36 0.24 1.45 0.09 53% 37% Waiting to put mbox 4.49 4.24 10.91 0.41 96% 96% Delete mbox 12.67 12.36 19.52 0.43 96% 96% Put/Get mbox 0.87 0.85 1.45 0.05 93% 93% Init semaphore 2.74 2.55 4.48 0.18 50% 50% Post [0] semaphore 3.39 3.15 4.24 0.14 78% 50% Wait [1] semaphore 2.62 2.42 5.33 0.21 96% 65% Trywait [0] semaphore 2.76 2.67 3.27 0.08 46% 43% Trywait [1] semaphore 1.09 0.85 2.91 0.19 68% 56% Peek semaphore 0.97 0.73 3.39 0.17 90% 65% Destroy semaphore 13.09 12.85 16.12 0.19 84% 65% Post/Wait semaphore 1.57 1.45 3.88 0.15 96% 93% Create counter 0.91 0.73 2.18 0.16 46% 68% Get counter value 0.55 0.48 0.97 0.09 90% 62% Set counter value 4.19 4.00 5.82 0.13 84% 75% Tick counter 0.87 0.73 3.15 0.16 93% 93% Delete counter 2.50 2.30 5.21 0.18 81% 90% Create alarm 6.16 5.70 12.97 0.47 96% 71% Initialize alarm 0.50 0.36 1.70 0.11 62% 34% Disable alarm 5.16 4.85 8.73 0.29 78% 78% Enable alarm 1.18 1.09 2.30 0.12 84% 65% Delete alarm 5.22 5.09 7.39 0.14 96% 93% Tick counter [1 alarm] 52.37 52.12 52.73 0.20 37% 56% Tick counter [many alarms] 6.73 6.55 8.24 0.13 78% 68% Tick & fire counter [1 alarm] 108.65 108.61 109.21 0.07 87% 87% Tick & fire counters [>1 together] 54.25 54.06 54.79 0.11 65% 18% Tick & fire counters [>1 separately] 17.36 17.09 29.82 0.23 82% 57% Alarm latency [0 threads] 19.75 17.09 28.00 1.65 46% 40% Alarm latency [2 threads] 39.02 34.06 50.67 2.00 53% 15% Alarm latency [many threads] 29.31 28.36 105.09 1.27 98% 97% Alarm -> thread resume latency 5.08 3.88 11.15 0.00 Clock/interrupt latency 7.32 5.09 16.73 0.00 Clock DSR latency 6 0 380 (main stack: 820) Thread stack used (992 total)All done, main stack : stack used 820 size 4112All done : Interrupt stack used 196 size 4096All done : Idlethread stack used 360 size 2048Timing complete - 29960 ms totalPASS:<Basic timing OK>EXIT:<done> </PRE></TD></TR></TABLE></DIV><DIVCLASS="NAVFOOTER"><HRALIGN="LEFT"WIDTH="100%"><TABLESUMMARY="Footer navigation table"WIDTH="100%"BORDER="0"CELLPADDING="0"CELLSPACING="0"><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top"><AHREF="rt-sh-cq7708.html"ACCESSKEY="P">Prev</A></TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="ecos-user-guide.html"ACCESSKEY="H">Home</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top"><AHREF="rt-sh-se7751.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Board: CQ CqREEK SH3 Evaluation Board (cq7708)</TD><TDWIDTH="34%"ALIGN="center"VALIGN="top"><AHREF="real-time-characterization.html"ACCESSKEY="U">Up</A></TD><TDWIDTH="33%"ALIGN="right"VALIGN="top">Board: Hitachi Solution Engine 7751 SH4 (se7751)</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
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