linux-kernel - Re: [ANNOUNCE] Full dynticks selftests 0.0.1

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Message-ID: <20130618151520.GP5146@linux.vnet.ibm.com>
Date:	Tue, 18 Jun 2013 08:15:20 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Christoph Lameter <cl@...ux.com>
Cc:	Frederic Weisbecker <fweisbec@...il.com>,
	Steven Rostedt <rostedt@...dmis.org>,
	Ingo Molnar <mingo@...nel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Peter Zijlstra <peterz@...radead.org>,
	Li Zhong <zhong@...ux.vnet.ibm.com>,
	Borislav Petkov <bp@...en8.de>,
	Kevin Hilman <khilman@...aro.org>,
	Mats Liljegren <liljegren.mats2@...il.com>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [ANNOUNCE] Full dynticks selftests 0.0.1

On Tue, Jun 18, 2013 at 02:20:35PM +0000, Christoph Lameter wrote:
> On Wed, 12 Jun 2013, Frederic Weisbecker wrote:
> 
> > Here it is, a very basic test that runs a userspace loop for ten seconds and dumps a trace
> > of the tick, scheduler, workqueue, and other kind of kernel noise.
> 
> Excellent. Ticks are finally off here. Also has useful instructions on how
> to figure out if something was wrong. The number of >1 microsecond
> disturbances went down from 110 per second to 2.

Very cool!

Frederic, is the git tree mentioned in your email permanent?  If so, I
will add it to the documentation.

							Thanx, Paul

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