From: Peter Zijlstra <a.p.zijlstra@chello.nl>
To: Mike Galbraith <efault@gmx.de>
Cc: Arjan van de Ven <arjan@linux.intel.com>,
RT <linux-rt-users@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Steven Rostedt <rostedt@goodmis.org>, Ingo Molnar <mingo@elte.hu>
Subject: Re: [patch] clockevents: Reinstate the per cpu tick skew
Date: Wed, 28 Dec 2011 17:57:24 +0100 [thread overview]
Message-ID: <1325091444.2651.1.camel@laptop> (raw)
In-Reply-To: <1325084349.16165.22.camel@marge.simson.net>
On Wed, 2011-12-28 at 15:59 +0100, Mike Galbraith wrote:
>
> > (and are you using a system where tsc/lapic can be used, or are you
> > using one of those boatanchors that need hpet?)
>
> Box is an HP DL980, 64 x X7560.
That smells like NHM-EX, aka boatanchor.
next prev parent reply other threads:[~2011-12-28 16:56 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-24 9:06 3.0.14-rt31 + 64 cores = very bad jitter == highly synchronized tick? Mike Galbraith
2011-12-25 7:31 ` Mike Galbraith
2011-12-26 8:04 ` Mike Galbraith
2011-12-27 6:40 ` Mike Galbraith
2011-12-27 9:20 ` [patch] clockevents: Reinstate the per cpu tick skew Mike Galbraith
2011-12-28 5:17 ` Mike Galbraith
2011-12-28 8:22 ` Mike Galbraith
2011-12-28 9:59 ` Mike Galbraith
2011-12-28 13:35 ` Arjan van de Ven
2011-12-28 14:59 ` Mike Galbraith
2011-12-28 16:57 ` Peter Zijlstra [this message]
2011-12-28 17:28 ` Mike Galbraith
2011-12-29 7:22 ` Mike Galbraith
2011-12-28 13:32 ` Arjan van de Ven
2011-12-28 15:10 ` Mike Galbraith
2012-01-03 6:20 ` Mike Galbraith
2012-04-23 6:13 ` irq latency regression post af5ab277 - was " Mike Galbraith
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