From: Peter Zijlstra <peterz@infradead.org>
To: alex shi <lkml.alex@gmail.com>
Cc: mingo@redhat.com, hpa@zytor.com, linux-kernel@vger.kernel.org,
efault@gmx.de, alex.shi@intel.com, suresh.b.siddha@intel.com,
tglx@linutronix.de, mingo@elte.hu,
linux-tip-commits@vger.kernel.org
Subject: Re: [tip:sched/urgent] sched: Fix select_idle_sibling() regression in selecting an idle SMT sibling
Date: Wed, 21 Dec 2011 13:52:24 +0100 [thread overview]
Message-ID: <1324471944.10752.8.camel@twins> (raw)
In-Reply-To: <CAGjg+kEOkkjnQQJJyGQzGApV5asM5oqvRwEr2VkJy9G5gg1rxw@mail.gmail.com>
On Wed, 2011-12-21 at 20:33 +0800, alex shi wrote:
> > Fix it. Slightly bigger patch of cleaning all these goto's etc
> > is queued up for the next release.
> >
>
> Even with this fix, the loopback netperf testing TCP-RR, still have
> about 5% regresion on our 2 socket * 8 cores SNB machine.
> which is your patchset includes all cleaning? wondering if that is helpful.
Sorry, but that question fails to parse here. What were you asking?
next prev parent reply other threads:[~2011-12-21 12:52 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-15 19:47 [patch] sched: fix select_idle_sibling() regression in selecting an idle SMT sibling Suresh Siddha
2011-12-16 8:44 ` Ingo Molnar
2011-12-16 11:36 ` [tip:sched/urgent] sched: Fix " tip-bot for Peter Zijlstra
2011-12-21 12:33 ` alex shi
2011-12-21 12:52 ` Peter Zijlstra [this message]
2011-12-21 19:42 ` Suresh Siddha
2011-12-22 1:31 ` Alex,Shi
2011-12-22 2:03 ` Suresh Siddha
2011-12-22 2:16 ` Alex,Shi
2011-12-22 6:59 ` Alex,Shi
2011-12-23 18:43 ` Suresh Siddha
2011-12-24 7:04 ` Shi, Alex
2012-01-06 8:14 ` Alex,Shi
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