On Wed, Mar 20, 2013 at 10:57:47AM -0500, Andrew Dahl wrote:
> A lot of the extra features in the kernel are there to allow for easier
> debugging when doing kernel development.  They typically add extra load to
> deal with and slow down the system, overall.  (It's minimal, but it's still
> a performance hit).
> 
> In the two you listed, Kprobes is just such a feature.  It helps with
> debugging, so if you're a user who isn't doing kernel development, you
> don't need it and probably wouldn't know what it was.
>                                                        cgroups... I don't
> know that there's any benefit to having cgroups unless you know how to use
> them.  On their own, I believe their only use is if you have applications
> that hook into them to limit resource usage.  So, I imagine if you don't
> know what cgroups are, you really don't need them.  (And, again, they
> include a tiny performance hit)

systemd uses cgroups so they are a required feature for Fedora 17+,
recent Suse and probably Debian.

florin

-- 
Sent from my other microwave oven.
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