Re: [LAD] Realtime threads and security

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To: Olivier Guilyardi <list@...>
Cc: <linux-audio-dev@...>
Date: Thursday, February 17, 2011 - 9:54 pm

On 02/17/2011 10:27 PM, Olivier Guilyardi wrote:

Hi Olivier,

Paul must have been talking about

/proc/sys/kernel/sched_rt_runtime_us
/proc/sys/kernel/sched_rt_period_us

/Documentation/scheduler/sched-rt-group.txt

> Also I'm a bit confused about rlimits. IIUC, realtime processes always run

not exactly. /proc kernel.sched_rt_runtime_us globally limits realtime
scheduling time. To limit it per process you'll need cgroups.

> What I'm looking for is some way to say: ok, this thread can run in realtime,

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Messages in current thread:
[LAD] Realtime threads and security, Olivier Guilyardi, (Thu Feb 17, 8:40 pm)
Re: [LAD] Realtime threads and security, Daniel Poelzleithner, (Fri Feb 18, 1:43 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Wed Feb 23, 10:10 am)
Re: [LAD] Realtime threads and security, Daniel Poelzleithner, (Wed Feb 23, 5:24 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Fri Feb 25, 3:23 pm)
Re: [LAD] Realtime threads and security, Paul Davis, (Fri Feb 25, 3:29 pm)
Re: [LAD] Realtime threads and security, torbenh, (Fri Feb 25, 3:56 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Fri Feb 25, 3:54 pm)
Re: [LAD] Realtime threads and security, Paul Davis, (Fri Feb 25, 4:32 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Fri Feb 25, 4:40 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Fri Feb 25, 4:31 pm)
Re: [LAD] Realtime threads and security, Paul Davis, (Fri Feb 25, 4:33 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Fri Feb 25, 4:49 pm)
Re: [LAD] Realtime threads and security, Paul Davis, (Fri Feb 25, 4:54 pm)
Re: [LAD] Realtime threads and security, Paul Davis, (Thu Feb 17, 8:48 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Thu Feb 17, 9:27 pm)
Re: [LAD] Realtime threads and security, Robin Gareus, (Thu Feb 17, 9:54 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Wed Feb 23, 10:22 am)
Re: [LAD] Realtime threads and security, Robin Gareus, (Wed Feb 23, 7:28 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Thu Feb 24, 2:59 pm)
Re: [LAD] Realtime threads and security, Robin Gareus, (Thu Feb 24, 6:01 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Thu Feb 24, 7:09 pm)
Re: [LAD] Realtime threads and security, Fons Adriaensen, (Thu Feb 17, 10:04 pm)
Re: [LAD] Realtime threads and security, Olivier Guilyardi, (Fri Feb 18, 12:17 pm)
Re: [LAD] Realtime threads and security, torbenh, (Fri Feb 18, 11:19 am)
Re: [LAD] Realtime threads and security, Paul Davis, (Thu Feb 17, 9:55 pm)