From: "Siddha, Suresh B" <suresh.b.siddha@intel.com>
To: kernel@kolivas.org
Cc: Andrew Morton <akpm@osdl.org>, Ingo Molnar <mingo@elte.hu>,
Nick Piggin <nickpiggin@yahoo.com.au>,
Peter Williams <pwil3058@bigpond.net.au>,
"Siddha, Suresh B" <suresh.b.siddha@intel.com>,
"Chen, Kenneth W" <kenneth.w.chen@intel.com>,
Mike Galbraith <efault@gmx.de>,
linux-kernel@vger.kernel.org
Subject: Re: cpu scheduler merge plans
Date: Wed, 22 Mar 2006 17:37:54 -0800 [thread overview]
Message-ID: <20060322173754.A19085@unix-os.sc.intel.com> (raw)
In-Reply-To: <1143068226.4421d6424ecf1@vds.kolivas.org>; from kernel@kolivas.org on Thu, Mar 23, 2006 at 09:57:06AM +1100
On Thu, Mar 23, 2006 at 09:57:06AM +1100, kernel@kolivas.org wrote:
> Quoting Andrew Morton <akpm@osdl.org>:
> > #
> > # "strange load balancing problems": pwil3058@bigpond.net.au
> > sched-new-sched-domain-for-representing-multi-core.patch
> > sched-fix-group-power-for-allnodes_domains.patch
> > x86-dont-use-cpuid2-to-determine-cache-info-if-cpuid4-is-supported.patch
I'd like to see the three above patches in 2.6.17. Peters "strange load
balancing problems" seems to be a false alarm(this patch will have
minimal impact on a single core cpu because of domain degeneration..) and
doesn't happen on recent -mm kernels..
> >
> >
> > I'm not sure what the "Suresh had problems" comment refers to - perhaps a
> > now-removed patch.
>
> On previous versions of smp nice Suresh found some throughput issues. Peter has
> addressed these as far as I'm aware, but we really need Suresh to check all
> those again.
I am just back from vacation. I will soon review and provide feedback.
> >
> > afaik, the load balancing problem which Peter observed remains unresolved.
>
> That was a multicore enabled balancing problem which he reported went away on a
> later -mm.
thanks,
suresh
next prev parent reply other threads:[~2006-03-23 1:38 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-03-22 23:51 Andrew Morton
2006-03-22 22:57 ` kernel
2006-03-23 1:37 ` Siddha, Suresh B [this message]
2006-03-23 22:06 ` Peter Williams
2006-03-23 0:31 ` Nick Piggin
2006-03-23 1:16 ` Peter Williams
2006-03-24 23:45 ` more smpnice patch issues Siddha, Suresh B
2006-03-25 0:56 ` Peter Williams
2006-03-25 1:53 ` Peter Williams
2006-03-25 3:40 ` [PATCH] sched: make sure busiest group and run queue are pullable Peter Williams
2006-03-26 23:24 ` more smpnice patch issues Peter Williams
2006-03-26 23:43 ` [PATCH] sched: smpnice prevent integer arithmetic wrap problems Peter Williams
2006-03-23 5:03 ` cpu scheduler merge plans Ingo Molnar
2006-03-23 5:13 ` Andrew Morton
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