Re: [linux-audio-user] Realtime Audio + Networking

From: Joshua Boyd <jdboyd@email-addr-hidden>
Date: Thu Jun 08 2006 - 01:23:18 EEST

On Wed, Jun 07, 2006 at 08:53:53AM -0400, Paul Davis wrote:

> on POSIX-ish operating systems, there are two orthogonal aspects to
> scheduling: scheduling class and scheduling priority. priority only
> ranks different execution contexts (kernel threads) within the *same*
> scheduling class - it has no impact when a scheduling decision has to be
> made between two execution contexts in two different classes. put
> differently, you can leave yourself in SCHED_OTHER (the default class)
> and raise your priority to the maximum, but you will never ever be
> scheduled to run if there is a SCHED_FIFO thread ready to run even if
> its numerical priority is lower than yours.
> there is no reason to use setpriority() for realtime work:
> sched_setscheduler's parameter argument defines the priority.

Well, my code is cleaner now at least then.
Received on Thu Jun 8 04:15:02 2006

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