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From: "Eduardo Cortés " <the_beast@softhome.net>
To: linux-kernel@vger.kernel.org
Subject: Re: Re: limit cpu
Date: Thu, 16 Aug 2001 20:28:27 +0200	[thread overview]
Message-ID: <20010816182820Z271606-760+2516@vger.kernel.org> (raw)
In-Reply-To: <Pine.LNX.4.10.10108161610150.19342-100000@coffee.psychology.mcmaster.ca> <20010816162913Z271588-760+2494@vger.kernel.org> <0b7201c1267c$5c30b260$103147ab@cisco.com>
In-Reply-To: <0b7201c1267c$5c30b260$103147ab@cisco.com>

If somebody want to develope it, a lot of thanks. I see scheduler could be 
better with this feature, opinions?

On Thursday 16 August 2001 19:53, Hua Zhong wrote:
> Current Linux scheduler doesn't seem to be able to support this nicely. 
> You can set their priorities..but the values are not very intuitive.  And
> if you sleep, the result could become very inaccurate.
>
> A new scheduler (sth like weighted round robin) is a more natural solution.
> You just assign weights to processes and they will be scheduled
> accordingly.
>
> ----- Original Message -----
> From: "Eduardo Cortés" <the_beast@softhome.net>
> To: <linux-kernel@vger.kernel.org>
> Sent: Thursday, August 16, 2001 9:29 AM
> Subject: Re: Re: limit cpu
>
> > On Thursday 16 August 2001 18:13, you wrote:
> > > > > > i want to know if linux can limit the max cpu usage (not cpu
> > > > > > time) per user,
> > > > >
> > > > > no.  doing so would inherently slow down the scheduler.
> > > >
> > > > but *BSD has this feature, what's the problem in linux?
> > >
> > > I said that, thinking that it would require another test along
> > > the scheduler's fast path.  but if we only test when a process
> > > has exhausted its quantum (or perhaps at counter-recalc),
> > > the overhead would be minor.
> >
> > I think that it's a good feature for linux, but I don't know if is very
> > complex to develope in linux. If I can limit the max cpu usage (in %) for
>
> an
>
> > user/group, the box is more solid.

  reply	other threads:[~2001-08-16 18:28 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-08-16 16:08 Eduardo Cortés 
2001-08-16 16:13 ` Mark Hahn
2001-08-16 16:29   ` Eduardo Cortés 
2001-08-16 17:53     ` Hua Zhong
2001-08-16 18:28       ` Eduardo Cortés  [this message]
2001-08-17 17:34     ` Rik van Riel
     [not found] <Pine.LNX.4.10.10108161853020.19342-100000@coffee.psychology.mcmaster.ca>
2001-08-16 19:22 ` Eduardo Cortés 
2001-08-16 20:46 Shailabh Nagar

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