On Mon, 27 Aug 2007 22:05:37 PDT, Linus Torvalds said: > > > On Tue, 28 Aug 2007, Al Boldi 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 don't think this is a good test. > > Why? > > If you're not using direct rendering, what you have is the X server doing > all the rendering, which in turn means that what you are testing is quite > possibly not so much about the *kernel* scheduling, but about *X-server* > scheduling! I wonder - can people who are doing this as a test please specify whether they're using an older X that has the libX11 or the newer libxcb code? That may have a similar impact as well. (libxcb is pretty new - it landed in Fedora Rawhide just about a month ago, after Fedora 7 shipped. Not sure what other distros have it now...)
Attachment:
pgp32mfDECKcC.pgp
Description: PGP signature
- References:
- Re: CFS review
- From: Al Boldi <[email protected]>
- Re: CFS review
- From: Al Boldi <[email protected]>
- Re: CFS review
- From: Ingo Molnar <[email protected]>
- Re: CFS review
- From: Al Boldi <[email protected]>
- Re: CFS review
- From: Linus Torvalds <[email protected]>
- Re: CFS review
- Prev by Date: Re: [ofa-general] Re: [PATCH RFC] RDMA/CMA: Allocate PS_TCP ports from the host TCP port space.
- Next by Date: Re: [PATCH 00/23] drm: introduce drm_zalloc
- Previous by thread: Re: CFS review
- Next by thread: Re: CFS review
- Index(es):
 |