Linux Advanced Routing and Traffic Control list
 help / color / mirror / Atom feed
From: bert hubert <ahu@ds9a.nl>
To: lartc@vger.kernel.org
Subject: Re: [LARTC] HTB not that exact
Date: Sat, 08 Dec 2001 11:53:18 +0000	[thread overview]
Message-ID: <marc-lartc-100781248218543@msgid-missing> (raw)
In-Reply-To: <marc-lartc-100766696815760@msgid-missing>

On Sat, Dec 08, 2001 at 09:51:22AM +0100, Martin Devera wrote:
> > > Both I think. There are some indications that raising HZ may not work, as it
> > > may not raise the resolution of the timers in the Linux Kernel - I am
> > > investigating this! So try keeping HZ stable, and raising the size of your
> > > bucket.
> > 
> > would it  make any difference if you do...
> > 
> > -#define PSCHED_CLOCK_SOURCE    PSCHED_JIFFIES
> > +#define PSCHED_CLOCK_SOURCE    PSCHED_CPU
> 
> by the way if you have pentium with tsc the patch above
> is stronly recommended. It allows for sub nanosecond
> precision...
> devik

Is there a reason not to do this? In which case we should probably submit a
patch that makes PSCHED_CPU the default if you have a TSC.

Regards,

bert

-- 
http://www.PowerDNS.com          Versatile DNS Software & Services
Trilab                                 The Technology People
Netherlabs BV / Rent-a-Nerd.nl           - Nerd Available -
'SYN! .. SYN|ACK! .. ACK!' - the mating call of the internet

_______________________________________________
LARTC mailing list / LARTC@mailman.ds9a.nl
http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://ds9a.nl/2.4Routing/

  parent reply	other threads:[~2001-12-08 11:53 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-12-06 19:28 [LARTC] HTB not that exact Stefan Rompf
2001-12-06 19:48 ` bert hubert
2001-12-06 20:33 ` Daniel Ryczek
2001-12-06 21:35 ` Stefan Rompf
2001-12-07 11:46 ` david
2001-12-07 16:57 ` Sami Farin
2001-12-08  8:51 ` Martin Devera
2001-12-08 11:52 ` bert hubert
2001-12-08 11:53 ` bert hubert [this message]
2001-12-08 15:18 ` devik

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=marc-lartc-100781248218543@msgid-missing \
    --to=ahu@ds9a.nl \
    --cc=lartc@vger.kernel.org \
    /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