From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4F84250F.60401@domain.hid> Date: Tue, 10 Apr 2012 14:18:23 +0200 From: Roberto Bielli MIME-Version: 1.0 References: <4F50A422.50208@domain.hid> <4F55D765.7040705@domain.hid> <4F55E390.8090706@domain.hid> <4F55FE81.6000904@domain.hid> <4F560A6C.2080306@domain.hid> <4F560B76.5080606@domain.hid> <4F5629D2.50304@domain.hid> <4F562B53.7070400@domain.hid> <4F562EC2.6040604@domain.hid> <4F56387B.40702@domain.hid> <4F575BA3.7060404@domain.hid> <4F576622.1030509@domain.hid> <4F57A567.7030008@domain.hid> <4F7C127D.2010400@domain.hid> <4F7C1484.5090406@domain.hid> <4F7C183F.5040009@domain.hid> <4F7F0D4E.8080906@domain.hid> <4F7F0E8A.70702@domain.hid> <4F7F20F0.9070007@domain.hid> <4F80BD10.2060200@domain.hid> <4F83F2C3.50704@domain.hid> <4F83F321.2030300@domain.hid> <4F83F645.7040402@domain.hid> <4F83F828.4000508@domain.hid> <4F83F929.5000300@domain.hid> <4F83FBAB.7040301@domain.hid> <4F83FF49.90608@domain.hid> <4F840DD8.2030407@domain.hid> <4F8418C4.400@domain.hid> <4F8421F7.50807@domain.hid> <4F84222D.7080808@domain.hid> <4F842369.2020504@domain.hid> <4F842395.4060108@domain.hid> In-Reply-To: <4F842395.4060108@domain.hid> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai-core] preemptive doesn't work List-Id: Xenomai life and development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org here is some logs. status=on:setup=616:clock=509343446344:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=509413956366:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=509461811116:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=509493738137:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=509642692217:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=509889401336:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=509959233537:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=510033716418:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=510083589650:timerdev=mxc_timer1:clockdev=mxc_timer1 root@domain.hid# cat /proc/xenomai/timer status=on:setup=616:clock=510145433674:timerdev=mxc_timer1:clockdev=mxc_timer1 Il 10/04/2012 14:12, Gilles Chanteperdrix ha scritto: > On 04/10/2012 02:11 PM, Roberto Bielli wrote: >> Il 10/04/2012 14:06, Gilles Chanteperdrix ha scritto: >>> On 04/10/2012 02:05 PM, Roberto Bielli wrote: >>>> Hi Gilles, >>>> >>>> i added this in configure of xenomai so i pass --enable-arm-mach=imx25 >>>> >>>> imx25) arch=5 >>>> tsc_type=__XN_TSC_TYPE_FREERUNNING;; >>>> >>>> Furthermore in plat-mxc/include/mach/mxc.h explain which are cpumx2 and >>>> imx25 is NOT mx2 >>>> #define cpu_is_mx2() (cpu_is_mx21() || cpu_is_mx27()) >>>> >>>> i don't understand a things. >>>> Does the tsc necessary to calculate correct timer period, or can i >>>> disable tsc and xenomai continue work correctly ? >>> Xenomai needs the tsc in kernel-space. Obviously, if you do not use the >>> tsc in user-space, you will not see that it is wrong. Correct physical >>> address is only needed for user-space. >>> >>>> However i cannot use tsc in my simple application. I resend the simple C >>>> application that doesn't work. >>> What do you mean you can not use the tsc in your application? What >>> happens if you use it? >>> >> If i use tsc i have no error and i read a correct value. >> > So, it works. Good news. To know if it works as expected, you can try > the "latency" test. > > Something I have not asked, could you type: > cat /proc/xenomai/timer > > on the mx25 board? > -- +------------------------------------------------------------------------------------------------+ 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.bielli@domain.hid Web Site: www.axelsw.it +------------------------------------------------------------------------------------------------+ Si precisa che le informazioni contenute in questo messaggio sono riservate e ad uso esclusivo del destinatario. Qualora il messaggio in parola Le fosse pervenuto per errore, La preghiamo di eliminarlo senza copiarlo e di non inoltrarlo a terzi, dandocene gentilmente comunicazione. Grazie. Informativa sul trattamento dei dati personali (D. Lgs. 196/2003). I dati utilizzati per la spedizione del presente messaggio sono utilizzati da Axel S.r.l., titolare del trattamento, per l'invio delle comunicazioni dei diversi settori aziendali, non essendo autorizzata la divulgazione a terzi. 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