public inbox for linux-kernel@vger.kernel.org
 help / color / mirror / Atom feed
From: "Christopher Friesen" <cfriesen@nortelnetworks.com>
To: Mark Frazer <mark@somanetworks.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Should I use Linux to develop driver for specialized ISA card?
Date: Tue, 04 Sep 2001 13:53:15 -0400	[thread overview]
Message-ID: <3B95150B.BE5173B4@nortelnetworks.com> (raw)
In-Reply-To: <E15eHup-0003ir-00@the-village.bc.nu> <01090410264000.14864@bits.linuxball> <3B950034.17909E5D@nortelnetworks.com> <20010904133227.B25240@somanetworks.com>

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

  reply	other threads:[~2001-09-04 17:52 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-09-04 12:57 Should I use Linux to develop driver for specialized ISA card? Rastislav Stanik
2001-09-04 13:28 ` Richard B. Johnson
2001-09-04 13:30 ` Anton Altaparmakov
2001-09-04 13:42 ` Erik Mouw
2001-09-17 19:19   ` Rogier Wolff
2001-09-04 15:15 ` Alan Cox
2001-09-04 15:26   ` Fred
2001-09-04 15:36     ` Alan Cox
2001-09-04 15:40     ` Joel Jaeggli
2001-09-04 16:24     ` Christopher Friesen
2001-09-04 17:32       ` Mark Frazer
2001-09-04 17:53         ` Christopher Friesen [this message]
2001-09-04 18:19       ` Roger Larsson
2001-09-04 18:54         ` J Sloan
2001-09-04 19:35         ` Christopher Friesen
2001-09-04 19:58           ` Andrew Morton

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=3B95150B.BE5173B4@nortelnetworks.com \
    --to=cfriesen@nortelnetworks.com \
    --cc=linux-kernel@vger.kernel.org \
    --cc=mark@somanetworks.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox