Fedora 16 feels slow

Adam Williamson awilliam at redhat.com
Wed Sep 14 23:08:30 UTC 2011

On Wed, 2011-09-14 at 17:27 -0500, Bruno Wolff III wrote:
> On Wed, Sep 14, 2011 at 17:28:10 -0400,
>   Dave Jones <davej at redhat.com> wrote:
> > On Wed, Sep 14, 2011 at 03:59:02PM -0500, Bruno Wolff III wrote:
> >  
> >  > I think the degree of slow down now, compared with the past, makes this
> >  > issue a bug. If things are like they are now, I won't be running debug
> >  > kernels on my rawhide systems. It costs me too much time. It would be
> >  > nice to know why things changed, as maybe some adjustments could be made
> >  > (or a bug fixed) so that debug kernels can provide useful information
> >  > without making such a big impact.
> > 
> > my last comment from the bug asked for someone to provide perf output.
> > If we can at least narrow it down to which option is causing people pain,
> > maybe we can start to investigate why.
> I'll try to run the perf stuff over the weekend. Kernel compiles are pretty
> slow on my hardware, so I am not going to run through all possible
> config options, though I can try a couple if there are some prime suspects.
> (Normally it's a couple of hours to build one, but the last one took all
> night.)

There's a few bits of the kernel spec you can poke to make it not build
the kernel four times, which will make it faster. I don't recall the
precise details, sorry.
Adam Williamson
Fedora QA Community Monkey
IRC: adamw | Twitter: AdamW_Fedora | identi.ca: adamwfedora

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