Hi Gilles,
you don't feel like to repeat.
I'm trying all the things that you told me and i will do all the missing
test that you told me.
And now this is the result of latency that i ran. It seems correct.
root@AXC25:/usr/xenomai/bin# ./latency
== Sampling period: 1000 us
== Test mode: periodic user-mode task
== All results in microseconds
warming up...
RTT| 00:00:01 (periodic user-mode task, 1000 us period, priority 99)
RTH|----lat min|----lat avg|----lat max|-overrun|---msw|---lat
best|--lat worst
RTD| 67.263| 77.203| 85.458| 0| 0| 67.263|
85.458
RTD| 67.293| 77.203| 100.240| 0| 0| 67.263|
100.240
RTD| 67.413| 77.203| 88.360| 0| 0| 67.263|
100.240
RTD| 67.323| 77.233| 86.661| 0| 0| 67.263|
100.240
RTD| 66.676| 77.187| 85.849| 0| 0| 66.676|
100.240
RTD| 67.353| 77.233| 87.172| 0| 0| 66.676|
100.240
RTD| 67.203| 77.368| 217.323| 0| 0| 66.676|
217.323
RTD| 67.609| 77.172| 87.022| 0| 0| 66.676|
217.323
RTD| 66.796| 77.218| 86.030| 0| 0| 66.676|
217.323
RTD| 67.714| 77.172| 85.368| 0| 0| 66.676|
217.323
RTD| 67.263| 77.233| 87.263| 0| 0| 66.676|
217.323
RTD| 67.022| 77.172| 85.684| 0| 0| 66.676|
217.323
RTD| 67.669| 77.248| 83.894| 0| 0| 66.676|
217.323
RTD| 67.969| 77.172| 86.736| 0| 0| 66.676|
217.323
RTD| 66.827| 77.187| 87.383| 0| 0| 66.676|
217.323
RTD| 67.097| 77.263| 119.909| 0| 0| 66.676|
217.323
RTD| 67.022| 77.308| 183.548| 0| 0| 66.676|
217.323
RTD| 66.616| 77.187| 84.902| 0| 0| 66.616|
217.323
RTD| 67.353| 77.187| 91.338| 0| 0| 66.616|
217.323
RTD| 67.022| 77.233| 83.278| 0| 0| 66.616|
217.323
RTD| 67.037| 77.248| 87.022| 0| 0| 66.616|
217.323
RTT| 00:00:22 (periodic user-mode task, 1000 us period, priority 99)
RTH|----lat min|----lat avg|----lat max|-overrun|---msw|---lat
best|--lat worst
RTD| 67.037| 77.157| 86.796| 0| 0| 66.616|
217.323
RTD| 66.902| 77.263| 125.383| 0| 0| 66.616|
217.323
RTD| 67.548| 77.187| 87.894| 0| 0| 66.616|
217.323
RTD| 67.338| 77.248| 86.255| 0| 0| 66.616|
217.323
RTD| 67.157| 77.218| 87.157| 0| 0| 66.616|
217.323
RTD| 67.308| 77.233| 84.180| 0| 0| 66.616|
217.323
RTD| 67.684| 77.203| 86.631| 0| 0| 66.616|
217.323
RTD| 67.578| 77.187| 89.368| 0| 0| 66.616|
217.323
RTD| 66.917| 77.203| 86.691| 0| 0| 66.616|
217.323
RTD| 66.992| 77.218| 86.616| 0| 0| 66.616|
217.323
RTD| 67.142| 77.218| 87.097| 0| 0| 66.616|
217.323
RTD| 67.248| 77.187| 90.180| 0| 0| 66.616|
217.323
RTD| 67.368| 77.233| 87.939| 0| 0| 66.616|
217.323
RTD| 67.413| 77.187| 89.503| 0| 0| 66.616|
217.323
RTD| 67.684| 77.233| 87.368| 0| 0| 66.616|
217.323
RTD| 67.428| 77.157| 87.203| 0| 0| 66.616|
217.323
RTD| 67.248| 77.157| 91.368| 0| 0| 66.616|
217.323
RTD| 67.233| 77.368| 215.879| 0| 0| 66.616|
217.323
RTD| 67.428| 77.323| 178.857| 0| 0| 66.616|
217.323
RTD| 66.917| 77.187| 92.075| 0| 0| 66.616|
217.323
---|-----------|-----------|-----------|--------|------|-------------------------
RTS| 66.616| 77.218| 217.323| 0| 0|
00:00:41/00:00:41
Il 12/04/2012 19:40, Gilles Chanteperdrix ha scritto:
On 04/12/2012 06:58 PM, Roberto Bielli wrote:
Hi Gilles,
you tell me that you are working on imx.
Do you know if there is a working xenomai on imx (any kernel or imx
version) ?
I have tested Xenomai on imx31, imx51, imx53, imx6q. It works on these
platforms. Now, what you are doing is in fact porting xenomai on imx25,
nobody did that before you, and you are faced with a peculiarity of the
timer on this platform. What you should do is:
- try to reproduce the problem with an unpatched linux with
CONFIG_HIGH_RES_TIMERS
- or try and look at the timers registers value at the time when the bug
happens to see what is going wrong.
Also, the first thing to do when running xenomai on a new platform is to
run the "latency" test. Have you run this test?
I feel like I am starting to repeat myself, I do not know if I should
continue trying and answering you.
--
+------------------------------------------------------------------------------------------------+
Roberto Bielli
Sviluppo Software
Axel S.r.l.
Via Del Cannino, 3
21020 Crosio Della Valle
Varese - Italy
Telefono: +39 0332 949600
Fax: +39 0332 969315
E-mail: roberto.bie...@axelsw.it
Web Site: www.axelsw.it
+------------------------------------------------------------------------------------------------+
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