[Gllug] Fedora 16 Cgroups

[Richard W.M. Jones]

On Fri, Apr 27, 2012 at 10:21:25PM +0100, Nix wrote:
> On 27 Apr 2012, Richard W. M. Jones said:
> > Yes and no.  As with SELinux you're paying a (very small) penalty just
> > by having them compiled into the kernel, so you'd also have to compile
> > your own kernel.  The time taken to compile and deal with a custom
> > kernel outweighs any possible savings.
> 
> Is it really that hard with a modern distro? I've built my own kernels
> for fifteen years now, but then I don't use Fedora so I can't say if
> it's harder to get a working kernel on there than on other systems.
> (Yes, you need a working initial ramdisk, but dracut can build those
> without much effort, even if you have your own kernel, and
> /sbin/installkernel does that, doesn't it? So 'make install' from the
> kernel source tree should just do the right thing.)

I didn't say it was hard, I said the time spent compiling the kernel
and manually updating it would outweigh the miniscule savings from not
having the overhead of cgroups :-)

Rich.

-- 
Richard Jones
Red Hat
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