📄 rt-ppc-mbx860.html
字号:
<!-- 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: Motorola MBX</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: Intel SA1100 (Brutus)"HREF="rt-arm-brutus.html"><LINKREL="NEXT"TITLE="Board: Hitachi EDK7708"HREF="rt-sh-edk7708.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-arm-brutus.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-edk7708.html"ACCESSKEY="N">Next</A></TD></TR></TABLE><HRALIGN="LEFT"WIDTH="100%"></DIV><DIVCLASS="SECT1"><H1CLASS="SECT1"><ANAME="RT-PPC-MBX860">Board: Motorola MBX</H1><TABLEBORDER="5"BGCOLOR="#E0E0F0"WIDTH="70%"><TR><TD><PRECLASS="LITERALLAYOUT"> Board: Motorola MBXCPU : Motorola MPC860 66MHZStartup, main stack : stack used 643 size 5664Startup : Interrupt stack used 427 size 4096Startup : Idlethread stack used 236 size 2048eCos Kernel TimingsNotes: all times are in microseconds (.000001) unless otherwise statedReading the hardware clock takes 0 `ticks' overhead... this value will be factored out of all other measurementsClock interrupt took 25.36 microseconds (79 raw clock ticks)Testing parameters: Clock samples: 32 Threads: 16 Thread switches: 128 Mutexes: 32 Mailboxes: 32 Semaphores: 32 Scheduler operations: 128 Counters: 32 Alarms: 32 Confidence Ave Min Max Var Ave Min Function ====== ====== ====== ====== ========== ======== 27.58 25.60 44.16 2.07 93% 93% Create thread 5.94 5.76 7.04 0.22 93% 62% Yield thread [all suspended] 6.06 5.44 10.56 0.57 75% 75% Suspend [suspended] thread 5.42 4.80 9.60 0.53 87% 81% Resume thread 7.10 6.40 14.08 0.90 93% 87% Set priority 0.86 0.64 1.92 0.22 93% 50% Get priority 16.74 15.04 36.48 2.47 93% 93% Kill [suspended] thread 6.14 5.76 10.56 0.55 93% 93% Yield [no other] thread 9.74 8.96 18.56 1.10 93% 93% Resume [suspended low prio] thread 5.28 4.80 9.28 0.54 93% 81% Resume [runnable low prio] thread 9.40 8.32 18.56 1.14 93% 93% Suspend [runnable] thread 6.04 5.76 8.96 0.38 93% 93% Yield [only low prio] thread 5.68 5.12 9.60 0.52 68% 75% Suspend [runnable->not runnable] 16.10 14.40 35.20 2.39 93% 93% Kill [runnable] thread 8.54 7.68 16.00 0.94 93% 87% Destroy [dead] thread 20.20 18.56 40.64 2.55 93% 93% Destroy [runnable] thread 39.02 36.48 57.28 3.28 87% 87% Resume [high priority] thread 13.13 12.80 22.08 0.15 78% 20% Thread switch 0.59 0.32 1.60 0.09 82% 16% Scheduler lock 3.67 3.52 5.12 0.17 99% 54% Scheduler unlock [0 threads] 3.67 3.52 4.80 0.17 99% 53% Scheduler unlock [1 suspended] 3.67 3.52 4.80 0.17 54% 54% Scheduler unlock [many suspended] 3.69 3.52 5.12 0.17 99% 50% Scheduler unlock [many low prio] 2.41 2.24 5.44 0.25 96% 75% Init mutex 6.83 6.40 11.84 0.34 75% 90% Lock [unlocked] mutex 6.74 6.40 13.12 0.40 96% 96% Unlock [locked] mutex 5.53 5.12 9.60 0.25 84% 12% Trylock [unlocked] mutex 4.84 4.48 7.36 0.17 78% 15% Trylock [locked] mutex 0.34 0.00 0.96 0.06 90% 3% Destroy mutex 56.10 55.68 59.52 0.21 93% 3% Unlock/Lock mutex 4.72 4.48 10.24 0.37 96% 96% Create mbox 0.75 0.64 1.92 0.16 75% 75% Peek [empty] mbox 6.79 6.40 12.80 0.41 96% 90% Put [first] mbox 0.46 0.32 1.60 0.19 93% 68% Peek [1 msg] mbox 6.68 6.40 12.16 0.37 96% 96% Put [second] mbox 0.50 0.32 1.60 0.20 93% 56% Peek [2 msgs] mbox 7.13 6.40 14.08 0.49 90% 46% Get [first] mbox 6.97 6.40 13.44 0.47 84% 78% Get [second] mbox 6.24 5.76 11.52 0.38 78% 81% Tryput [first] mbox 5.98 5.44 11.20 0.39 78% 62% Peek item [non-empty] mbox 6.52 6.08 13.12 0.49 93% 81% Tryget [non-empty] mbox 5.50 5.12 10.24 0.30 68% 28% Peek item [empty] mbox 5.76 5.44 10.88 0.32 96% 96% Tryget [empty] mbox 0.50 0.32 1.60 0.19 96% 53% Waiting to get mbox 0.50 0.32 1.60 0.19 96% 53% Waiting to put mbox 7.45 7.04 15.04 0.49 96% 93% Delete mbox 37.47 36.80 48.64 0.70 96% 96% Put/Get mbox 2.49 2.24 6.08 0.28 96% 56% Init semaphore 5.09 4.80 8.64 0.27 46% 46% Post [0] semaphore 6.25 5.76 10.88 0.32 93% 3% Wait [1] semaphore 4.84 4.48 8.32 0.23 68% 25% Trywait [0] semaphore 4.98 4.80 8.00 0.26 96% 71% Trywait [1] semaphore 1.66 1.28 3.84 0.20 68% 15% Peek semaphore 1.24 0.96 3.20 0.17 65% 31% Destroy semaphore 40.74 40.32 49.28 0.53 96% 96% Post/Wait semaphore 2.65 2.24 6.08 0.23 84% 9% Create counter 0.85 0.64 2.24 0.22 90% 53% Get counter value 0.68 0.64 1.92 0.08 96% 96% Set counter value 7.13 6.72 8.64 0.24 78% 18% Tick counter 1.30 0.96 3.20 0.12 84% 12% Delete counter 3.69 3.52 7.68 0.29 96% 84% Create alarm 8.98 8.32 17.60 0.61 68% 62% Initialize alarm 0.96 0.64 2.88 0.14 71% 21% Disable alarm 8.76 8.32 17.60 0.59 96% 87% Enable alarm 1.99 1.60 5.12 0.21 81% 12% Delete alarm 7.44 7.36 9.92 0.15 96% 96% Tick counter [1 alarm] 21.68 21.44 24.64 0.25 96% 53% Tick counter [many alarms] 10.95 10.56 15.04 0.26 78% 18% Tick & fire counter [1 alarm] 132.79 132.48 136.32 0.23 59% 37% Tick & fire counters [>1 together] 25.18 24.96 28.80 0.29 96% 65% Tick & fire counters [>1 separately] 23.06 22.72 47.36 0.40 98% 98% Alarm latency [0 threads] 31.53 27.20 56.00 0.63 96% 0% Alarm latency [2 threads] 36.86 30.40 58.88 4.15 50% 28% Alarm latency [many threads] 11.41 8.96 16.32 0.00 Clock/interrupt latency 609 603 651 (main stack: 1059) Thread stack used (1704 total)All done, main stack : stack used 1059 size 5664All done : Interrupt stack used 251 size 4096All done : Idlethread stack used 587 size 2048Timing complete - 23690 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-arm-brutus.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-edk7708.html"ACCESSKEY="N">Next</A></TD></TR><TR><TDWIDTH="33%"ALIGN="left"VALIGN="top">Board: Intel SA1100 (Brutus)</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 EDK7708</TD></TR></TABLE></DIV></BODY></HTML>⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -