Re: oprofile on intel atom

[Andi K. <an...@fi...>]

On Wed, Oct 22, 2008 at 02:04:10PM -0700, Taras Glek wrote:
> Andi Kleen wrote:
> >Taras <tg...@mo...> writes:
> >
> >  
> >>Hi,
> >>What's the status of oprofile on atom? Are there any up to date patches
> >>I can try?
> >>    
> >
> >It should work with the architectural perfmon support on Atom.
> >
> >You need an 2.6.28 git kernel (or 2.6.27 + 
> >ftp://firstfloor.org/pub/ak/oprofile/)
> >and a post 0.9.3 oprofile userland (or the userland patches from the site
> >above)
> >
> >  
> I retried with 2.6.27 + patches from above:
> modprobe oprofile force_arch_perfmon=1
> yields
> oprofile: using timer interrupt.
> in dmesg.

Do you see arch_perfmon in /proc/cpuinfo?

> 
> Are there any .config options for enabling cpu_has_arch_perfmon in the 
> kernel?

No.

-Andi

-- 
ak...@li...