mirror of https://lore.kernel.org/lkml/
 help / color / mirror / Atom feed
From: Anton Blanchard <anton@samba.org>
To: Manfred Spraul <manfred@colorfullife.com>
Cc: Ingo Molnar <mingo@elte.hu>, linux-kernel@vger.kernel.org
Subject: Re: cross-cpu balancing with the new scheduler
Date: Mon, 14 Jan 2002 17:10:54 +1100	[thread overview]
Message-ID: <20020114061054.GB17549@krispykreme> (raw)
In-Reply-To: <3C41BD74.28F6707A@colorfullife.com>
In-Reply-To: <3C41BD74.28F6707A@colorfullife.com>

 
> eatcpu is a simple cpu hog ("for(;;);"). Dual CPU i386.
> 
> $nice -19 ./eatcpu&;
>  <wait>
> $nice -19 ./eatcpu&;
>  <wait>
> $./eatcpu&.
> 
> IMHO it should be
> * both niced process run on one cpu.
> * the non-niced process runs with a 100% timeslice.
> 
> But it's the other way around:
> One niced process runs with 100%. The non-niced process with 50%, and
> the second niced process with 50%.

Rusty and I were talking about this recently. Would it make sense for
the load balancer to use a weighted queue length (sum up all priorities
in the queue?) instead of just balancing the queue length?

Anton

  parent reply	other threads:[~2002-01-15  0:29 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2002-01-13 17:01 Manfred Spraul
2002-01-14  2:19 ` Rusty Russell
2002-01-14  2:49   ` Davide Libenzi
2002-01-14  4:37     ` Rusty Russell
2002-01-14 15:39     ` Manfred Spraul
2002-01-14 15:50       ` Davide Libenzi
2002-01-14 17:44       ` Ingo Molnar
2002-01-14  6:10 ` Anton Blanchard [this message]
2002-01-15 16:37   ` Ingo Molnar

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=20020114061054.GB17549@krispykreme \
    --to=anton@samba.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=manfred@colorfullife.com \
    --cc=mingo@elte.hu \
    /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
all inboxes | Powered by JetHome®