From: Mike Galbraith <umgwanakikbuti@gmail.com>
To: Libo Chen <libo.chen@huawei.com>
Cc: tglx@linutronix.de, mingo@elte.hu,
LKML <linux-kernel@vger.kernel.org>,
Greg KH <gregkh@linuxfoundation.org>,
Li Zefan <lizefan@huawei.com>,
peterz@infradead.org, Huang Qiang <h.huangqiang@huawei.com>
Subject: Re: balance storm
Date: Wed, 28 May 2014 10:16:44 +0200 [thread overview]
Message-ID: <1401265004.9793.19.camel@marge.simpson.net> (raw)
In-Reply-To: <5385881D.4090601@huawei.com>
On Wed, 2014-05-28 at 14:54 +0800, Libo Chen wrote:
> On 2014/5/28 9:53, Mike Galbraith wrote:
> > On Wed, 2014-05-28 at 09:04 +0800, Libo Chen wrote:
> >
> >> oh yes, no tsc only hpet in my box.
> >
> > Making poor E5-2658 box a crippled wreck.
>
> yes,it is. But cpu usage will be down from 15% to 5% when binding cpu, so maybe read_hpet
> is not the root cause.
I don't think anyone will be particularly interested in making kernel
changes based upon the behavior of a broken box. The problem we were
discussing is real enough though, it's just a question of severity.
-Mike
next prev parent reply other threads:[~2014-05-28 8:16 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-26 3:04 Libo Chen
2014-05-26 5:11 ` Mike Galbraith
2014-05-26 12:16 ` Libo Chen
2014-05-26 14:19 ` Mike Galbraith
2014-05-27 7:56 ` Libo Chen
2014-05-27 9:55 ` Mike Galbraith
2014-05-27 12:50 ` Libo Chen
2014-05-27 13:20 ` Mike Galbraith
2014-05-28 1:04 ` Libo Chen
2014-05-28 1:53 ` Mike Galbraith
2014-05-28 6:54 ` Libo Chen
2014-05-28 8:16 ` Mike Galbraith [this message]
2014-05-28 9:08 ` Thomas Gleixner
2014-05-28 10:30 ` Peter Zijlstra
2014-05-28 10:52 ` Borislav Petkov
2014-05-28 11:43 ` Libo Chen
2014-05-28 11:55 ` Mike Galbraith
2014-05-29 7:58 ` Libo Chen
2014-05-29 7:57 ` Libo Chen
2014-05-27 20:53 ` Thomas Gleixner
2014-05-28 1:06 ` Libo Chen
2014-05-26 7:56 ` Mike Galbraith
2014-05-26 11:49 ` Libo Chen
2014-05-26 14:03 ` Mike Galbraith
2014-05-27 7:44 ` Libo Chen
2014-05-27 8:12 ` Mike Galbraith
2014-05-27 9:48 ` Peter Zijlstra
2014-05-27 10:05 ` Mike Galbraith
2014-05-27 10:43 ` Peter Zijlstra
2014-05-27 10:55 ` Mike Galbraith
2014-05-27 12:56 ` Libo Chen
2014-05-27 12:55 ` Libo Chen
2014-05-27 13:13 ` Peter Zijlstra
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