From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Tue, 06 Mar 2007 16:59:04 +0100
From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
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Subject: Re: [Xenomai-help] RTCAN and tsc
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To: roland Tollenaar <rolandtollenaar@domain.hid>
Cc: xenomai@xenomai.org

roland Tollenaar wrote:
>>Just run latency -p 1000 with some load. If you observe abnormal
>>latencies with the latency test, then you have a hardware problem. If
>>you observe normal latencies with the latency test, then your
>>application has a problem.
> 
> 
> The results:
> 
> RTD|      29.333|      31.009|     179.352|       0|      29.333|     204.495
> RTD|      29.333|      31.009|     201.142|       0|      29.333|     204.495
> RTD|      29.333|      31.009|     203.657|       0|      29.333|     204.495
> RTD|      29.333|      31.847|     201.980|       0|      29.333|     204.495
> RTD|      29.333|      31.009|     181.866|       0|      29.333|     204.495
> RTD|      29.333|      31.847|     201.142|       0|      29.333|     204.495
> RTD|      29.333|      31.009|     202.819|       0|      29.333|     204.495
> RTT|  00:00:22  (periodic user-mode task, 1000 us period, priority 99)
> RTH|-----lat min|-----lat avg|-----lat max|-overrun|----lat best|---lat worst
> RTD|      29.333|      31.847|     209.523|       0|      29.333|     209.523
> RTD|      29.333|      31.847|     206.171|       0|      29.333|     209.523
> RTD|      29.333|      31.847|     204.495|       0|      29.333|     209.523
> RTD|      29.333|      31.847|     204.495|       0|      29.333|     209.523
> RTD|      29.333|      31.847|     203.657|       0|      29.333|     209.523
> RTD|      29.333|      31.847|     203.657|       0|      29.333|     209.523
> RTD|      29.333|      31.009|     178.514|       0|      29.333|     209.523
> RTD|      29.333|      30.171|     201.142|       0|      29.333|     209.523
> RTD|      29.333|      30.171|     199.466|       0|      29.333|     209.523
> RTD|      29.333|      31.009|     200.304|       0|      29.333|     209.523
> RTD|      29.333|      30.171|     180.190|       0|      29.333|     209.523
> RTD|      28.495|      31.009|     201.142|       0|      28.495|     209.523
> RTD|      29.333|      31.009|     201.142|       0|      28.495|     209.523
> RTD|      29.333|      31.009|     204.495|       0|      28.495|     209.523
> RTD|      29.333|      31.009|     200.304|       0|      28.495|     209.523
> RTD|      29.333|      31.009|     203.657|       0|      28.495|     209.523
> RTD|      29.333|      31.009|     200.304|       0|      28.495|     209.523
> RTD|      29.333|      30.171|     201.142|       0|      28.495|     209.523
> RTD|      29.333|      30.171|     201.980|       0|      28.495|     209.523
> RTD|      29.333|      31.009|     202.819|       0|      28.495|     209.523
> ---|------------|------------|------------|--------|-------------------------
> RTS|      28.495|      30.171|     209.523|       0|    00:00:42/00:00:42
> 
> 
> IMHO this looks ok does it not?

To get reliable results, you should run the test for a few hours. Not 22
seconds.

-- 
                                                 Gilles Chanteperdrix