Re: [RFC] cpufreqtools

[Dominik Brodowski <linux@dominikbrodowski.de>]

On Fri, Oct 22, 2004 at 07:21:09PM +0200, Bruno Ducrot wrote:
> On Fri, Oct 22, 2004 at 04:57:38PM +0200, Dominik Brodowski wrote:
> > On Fri, Oct 22, 2004 at 04:39:27PM +0200, Bruno Ducrot wrote:
> > > I think that Jeremy's work being somehow integrated into your utilities.
> > > I think libspeedfreq.c is a good starting point for point C at least.
> > 
> > Unfortunately, I can't base the suggested cpufreqtools not on Jeremy's work,
> > as it mixes userspace with kernelspace policies... and doesn't use
> > libsysfs... However, updating speedfreq to use cpufreqtools seems to be
> > possible and will probably lead to a code reduction in speedfreq.
> 
> I do like Jeremy's idea to wrap all sysfs stuff in one deamon, then
> all clients (via his library) will communicate with this daemon in
> order to set different policies. 

This looks like an interesting idea _on top_ of the libcpufreq stuff I
suggest. Though, I'm not really convinced whether the overhead of a daemon is
needed, as it should be clear to the admin that different cpufreq userspace
tools running at the same time are a bad idea.

> So all you care is to secure
> this daemon, not random setuid programs that others may wrote.

not others, /me ;-) Which may make it worse, though...

Thanks,
	Dominik