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Date: Wed, 29 Aug 2007 06:40:47 +0200 From: Mike Galbraith <efault@....de> To: Ingo Molnar <mingo@...e.hu> Cc: Al Boldi <a1426z@...ab.com>, Peter Zijlstra <peterz@...radead.org>, Andrew Morton <akpm@...ux-foundation.org>, Linus Torvalds <torvalds@...ux-foundation.org>, linux-kernel@...r.kernel.org, Keith Packard <keith.packard@...el.com> Subject: Re: CFS review On Wed, 2007-08-29 at 06:18 +0200, Ingo Molnar wrote: > * Al Boldi <a1426z@...ab.com> wrote: > > > No need for framebuffer. All you need is X using the X.org > > vesa-driver. Then start gears like this: > > > > # gears & gears & gears & > > > > Then lay them out side by side to see the periodic stallings for > > ~10sec. > > i just tried something similar (by adding Option "NoDRI" to xorg.conf) > and i'm wondering how it can be smooth on vesa-driver at all. I tested > it on a Core2Duo box and software rendering manages to do about 3 frames > per second. (although glxgears itself thinks it does ~600 fps) If i > start 3 glxgears then they do ~1 frame per second each. This is on > Fedora 7 with xorg-x11-server-Xorg-1.3.0.0-9.fc7 and > xorg-x11-drv-i810-2.0.0-4.fc7. At least you can run the darn test... the third instance of glxgears here means say bye bye to GUI instantly. -Mike - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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