rainbow and pam

[victor]

Is that documented? I don't see it in man page. I can try it, if
I have a code example (says there it does not take a priority
value, so is it just a matter of setting the policy?)

Victor
----- Original Message ----- 
From: "Benjamin M. Schwartz" <bmschwar at fas.harvard.edu>
To: "Michael Stone" <michael at laptop.org>
Cc: "victor" <Victor.Lazzarini at nuim.ie>; <devel at lists.laptop.org>
Sent: Saturday, August 16, 2008 10:27 PM
Subject: Re: rainbow and pam


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> Michael Stone wrote:
> | According to "man sched_setscheduler" you want either CAP_SYS_NICE or a
> | non-zero RLIMIT_RTPRIO and giving these to you means that you can
> | hardlock the machine anytime by busywaiting.
>
> As noted in a conversation with Michael, there is a potential "third way",
> in the form of SCHED_ISO, isochronous scheduling.  This scheduler patch
> creates a "pseudo-realtime" mode that provides lower latencies without the
> potential for hardlocks.
>
> http://ck.wikia.com/wiki/SchedulingPolicies#SCHED_ISO
>
> - --Ben
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