From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <50C75094.3070906@wanadoo.fr> Date: Tue, 11 Dec 2012 16:26:12 +0100 From: Thierry Bultel MIME-Version: 1.0 References: <50C1EF04.1090506@wanadoo.fr> <50C236B9.3030507@xenomai.org> <50C4EF5A.3030502@wanadoo.fr> <50C524A6.6020006@xenomai.org> <50C5F784.6040801@wanadoo.fr> <50C6076F.7050505@xenomai.org> <50C60E6A.1080307@wanadoo.fr> <50C61DF3.8030703@xenomai.org> <50C62B41.1060308@wanadoo.fr> <50C63069.1010607@xenomai.org> <50C63FF3.6040409@wanadoo.fr> <50C643DC.1080901@xenomai.org> <50C64F79.8070101@wanadoo.fr> <50C65296.9070508@xenomai.org> In-Reply-To: <50C65296.9070508@xenomai.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Subject: Re: [Xenomai] iMX6q 1Hz tick List-Id: Discussions about the Xenomai project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Gilles Chanteperdrix Cc: xenomai@xenomai.org Gilles, another issue (likely related, and that may help to diagnose) that I can see is that time is completely wrong; For instance: [root@buildroot ~]# time sleep 10 real 0m10.009s user 0m0.002s sys 0m0.013s The system says that it spent 10 secs but I actually measured 25 secs. Notice that I have CONFIG_HZ=1000 Time is correct when CONFIG_IPIPE is set to NO Regards Thierry