Re: Should I use Linux to develop driver for specialized ISA card?

From: Christopher Friesen (cfriesen@nortelnetworks.com)
Date: Tue Sep 04 2001 - 12:53:15 EST

Next message: Jan Harkes: "Re: page_launder() on 2.4.9/10 issue"
Previous message: John L. Males: "Re: Question Re AC Patch with VM Tuneable Parms for now"
In reply to: Mark Frazer: "Re: Should I use Linux to develop driver for specialized ISA card?"
Next in thread: Roger Larsson: "Re: Should I use Linux to develop driver for specialized ISA card?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

Mark Frazer wrote:

> Christopher Friesen <cfriesen@nortelnetworks.com> [01/09/04 12:29]:
> > We have a realtime process that tries to run every 50ms. We're seeing actual
> > worst-case scheduling latencies upwards of 300-400ms.
>
> With or without the low-latency patches?

Without. It's PPC hardware, and the lowlatency stuff that I've found seems to
be x86-centric.

-- 
Chris Friesen                    | MailStop: 043/33/F10  
Nortel Networks                  | work: (613) 765-0557
3500 Carling Avenue              | fax:  (613) 765-2986
Nepean, ON K2H 8E9 Canada        | email: cfriesen@nortelnetworks.com
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Next message: Jan Harkes: "Re: page_launder() on 2.4.9/10 issue"
Previous message: John L. Males: "Re: Question Re AC Patch with VM Tuneable Parms for now"
In reply to: Mark Frazer: "Re: Should I use Linux to develop driver for specialized ISA card?"
Next in thread: Roger Larsson: "Re: Should I use Linux to develop driver for specialized ISA card?"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

This archive was generated by hypermail 2b29 : Fri Sep 07 2001 - 21:00:27 EST