From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <4350E417.7080809@domain.hid> Date: Sat, 15 Oct 2005 13:12:23 +0200 From: Philippe Gerum MIME-Version: 1.0 Subject: Re: [Xenomai-help] XenoPPC :-> 2.6.13.4-ipipe :) References: <34086.193.52.24.125.1129373726.squirrel@domain.hid> In-Reply-To: <34086.193.52.24.125.1129373726.squirrel@domain.hid> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit List-Id: Help regarding installation and common use of Xenomai List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: smannori@domain.hid Cc: xenomai@xenomai.org smannori@domain.hid wrote: > Hi: > > - Apple PowerBook 1.67 > - Mandriva Limited 2005 (Mandrake 10.2) for PPC > - Linux 2.6.13.4 > - Adeos patch x ppc (32bit - G4) (www.adeos.org) (Thanks Philippe :) ) > - Xenomai: configured with NO FPU SUPPORT (Thanks Gilles :) ) > > Everything works perfect (for the internal test). CPU pushed steady to 99% > with glxgear (NO DRI, software emululation only by Mesa): 350 fps > > Max latency = 44 us > Overrun = zero nil nada zip. > > I think that the save/restore functions of xenomai must be aware of the > presence of Altivec. If I disable Altivec the X11 server (x.org) shipped > with mandriva ppc does not start. > > This is a very good impruvement. If you use thread in the user space, the > FPU support is not a must. Still, FPU must be supported properly, user-space and kernel-space wise. But that's good news that the I-pipe patch gives decent results right now. Alex, could you kick the ass of Xeno (SVN head, 2.6.13-ipipe, FPU on, Altivec off, pervasive RT support off + klatency then on + latency) over your platform and let me know of the outcome, please. -- Philippe.