From: Srivatsa Vaddagiri <vatsa@in.ibm.com>
To: "Chris Friesen" <cfriesen@nortel.com>
Cc: riel@redhat.com, Ingo Molnar <mingo@elte.hu>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Andrew Morton <akpm@osdl.org>,
linux-kernel@vger.kernel.org
Subject: Re: [RFC] Fair-user scheduler
Date: Wed, 31 Jan 2007 20:46:47 +0530 [thread overview]
Message-ID: <20070131151647.GA23004@in.ibm.com> (raw)
In-Reply-To: <45BA4B57.1070604@nortel.com>
On Fri, Jan 26, 2007 at 12:41:27PM -0600, Chris Friesen wrote:
> As Kirill brought up, why does it take so much more time? Are you
> thrashing the cache?
Yes, the default 1-sec control window I had was causing lot of
thrashing. See http://lkml.org/lkml/2007/1/31/142
> Presumably this would be made generic, as in per-"group" rather than per
> user?
Ideally yes! But I am trying to apply the solution to an existing problem
and later extend for other needs as well.
> > - Fairsched aware SMP load balance NOT addressed (yet)
>
> This is kind of important, no?
Yea again! I have again avoided it to keep the patch simple at first.
Based on interest/response, I can address this later.
--
Regards,
vatsa
prev parent reply other threads:[~2007-01-31 15:17 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-01-26 6:01 [RFC] Fair-user scheduler Srivatsa Vaddagiri
2007-01-26 6:03 ` [PATCH 1/2] core scheduler changes Srivatsa Vaddagiri
2007-01-31 15:01 ` Srivatsa Vaddagiri
2007-01-26 6:05 ` [PATCH 2/2] Track number of users in the system Srivatsa Vaddagiri
2007-01-26 14:09 ` [RFC] Fair-user scheduler Kirill Korotaev
2007-01-26 18:52 ` Eric Piel
2007-01-31 15:10 ` Srivatsa Vaddagiri
2007-01-26 18:41 ` Chris Friesen
2007-01-31 15:16 ` Srivatsa Vaddagiri [this message]
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