Re: [gentoo-user] Re: Kon Colivas is working again on a new scheduler for Desktop/Multimedia/Gaming PCs

[Volker Armin Hemmann <volkerarmin@googlemail.com>]

On Sonntag 06 September 2009, Nikos Chantziaras wrote:
> On 09/06/2009 05:10 AM, Volker Armin Hemmann wrote:
> > On Sonntag 06 September 2009, Nikos Chantziaras wrote:
> >> On 09/06/2009 03:50 AM, Volker Armin Hemmann wrote:
> >>> and maybe you should decrapify your config a bit? Namespaces? Seccomp?
> >>> Process accounting? no compat vdso?
> >>>
> >>> You really hate performance, do you?
> >>
> >> On another note:
> >>
> >> "Say N here if you are running a sufficiently recent glibc version
> >> (2.3.3 or later), to remove the high-mapped VDSO mapping and to
> >> exclusively use the randomized VDSO."
> >>
> >> And digging turned up that it saves about 6-10 instructions per syscall
> >> but limits the flexibility.  This may be a significant improvement for
> >> intensive-IO processes.
> >>
> >> And about process accounting:
> >>
> >> "This is generally a good idea, so say Y."
> >
> > yeah, if you are in a bean counter environment. Nobody else needs it.
> >
> >> Well, I said Y.
> >>
> >> And on seccomp:
> >>
> >> "... If unsure, say Y. Only embedded should say N here."
> >>
> >> Well, guess what?  I'm not on "embedded".
> >
> > and seccomp is only used by a single project by Andrea Arcangeli. Nobody
> > else uses it. He also was the submitter of that feature.
> 
> I've used your .config.  I only changed CPU from AMD to Intel Core 2, as
> well as the SATA and network drivers.  Same problems.
> 
> So it's not a kernel configuration problem.
> 
> And btw, no matter how I configure the kernel, Con's scheduler always
> results in a smooth and fluid composited GUI.  Bte, are you even using
> OpenGL compositing or are you just talking random stuff? :P
> 

I am using kde's opengl compositing. I use fglrx. And I use a patched xorg-
server.