RE: [rtl] Scheduling a usermode process

[Kris Urquhart <kurquhart@Little-ft.com>]

This may be a bit philosophical, but it sounds like your user process (at
least part of it) should really be a RT process, since the standard Linux
scheduler is not sufficient for your needs.

-----Original Message-----
From: Adam Meyerowitz [mailto:adam@videodatasys.com]
Sent: Thursday, November 04, 1999 6:35 PM
To: Kris Urquhart; rtl@rtlinux.cs.nmt.edu
Subject: Re: [rtl] Scheduling a usermode process


That is the problem.  Under moderate to heavy loads select call on the
fifo is not giving me reasonable performance.  

Kris Urquhart wrote:
> 
> How about writing a byte to a RT fifo that your user process is blocking
on
> (e.g. using poll() or select())?  It should get scheduled almost
> immediately, depending on load.  -Kris
> 
> -----Original Message-----
> From: Adam Meyerowitz [mailto:adam@videodatasys.com]
> Sent: Thursday, November 04, 1999 2:48 PM
> To: rtl@rtlinux.cs.nmt.edu
> Subject: [rtl] Scheduling a usermode process
> 
> Is there a way from an rtlinux module to have a user space process
scheduled
> and run immediately (or almost immediately).  I want to trigger this
within
> an interrupt handler so my user space process can do some stuff after the
> interrupt has occured.
> 
> Thanks
> Adam
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