Re: Question about isolating CPU's

Doug Renton <[email protected]>
Newsgroups gmane.linux.real-time.rtai
Message-ID <[email protected]>
See... easy!
Too bad Fermat wasn't on a mailing list, it could have saved hundreds of 
years!

On 04/13/2016 05:26 PM, Paolo Mantegazza wrote:
> Sorry, i clicked the wrong button.
> I'm assuming you are referring to irq affinities.
> At the moment I've none ready,  I usually write one for a specific machine I'm working on.
> It is simple and requires just these steps:
> - "cat /proc/interrupts" to get the interrupts of interest
> - writing for each of them "echo affinity_mask >/proc/irq/irq_number_of_interest/smp_affinity"
> Usually my scripts are just a list of the above command and made executable, with the mask containing the bits of those cpus that are not isolated for RTAI.
> That's all.
>
> Paolo.
>
> ________________________________________
> From: Rtai [[email protected]] on behalf of Alec Ari [[email protected]]
> Sent: Wednesday, April 13, 2016 7:47 PM
> To: [email protected]
> Subject: Re: [Rtai] Question about isolating CPU's
>
> Hi, what simple script are you referring to? Do you have an example?
>
> Alec Ari
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