linux-kernel - Re: [PATCH [RT] 00/14] RFC

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Message-Id: <1203633726.4232.67.camel@hermosa.morrealenet>
Date:	Thu, 21 Feb 2008 15:42:06 -0700
From:	"Peter W. Morreale" <pmorreale@...ell.com>
To:	Ingo Molnar <mingo@...e.hu>
Cc:	Gregory Haskins <ghaskins@...ell.com>, a.p.zijlstra@...llo.nl,
	tglx@...utronix.de, rostedt@...dmis.org,
	linux-rt-users@...r.kernel.org, linux-kernel@...r.kernel.org,
	bill.huey@...il.com, kevin@...man.org, cminyard@...sta.com,
	dsingleton@...sta.com, dwalker@...sta.com, npiggin@...e.de,
	dsaxena@...xity.net, ak@...e.de, gregkh@...e.de,
	sdietrich@...ell.com, mkohari@...ell.com
Subject: Re: [PATCH [RT] 00/14] RFC - adaptive real-time locks

On Thu, 2008-02-21 at 15:12 -0700, Peter W. Morreale wrote:

> True, the ticket spinlock certainly adds to the throughput results we
> have seen.  However, the results without the ticket patch are still very
> significant.   (IIRC, 500-600MB/s instead of the ~730MB/s advertised) We
> can easily re-gen the previous results for an apples-to-apples
> comparison.
> 

I misspoke in the above.  Greg is correct.  Without the ticket lock
patch we see an *improvement* in throughput, not a decrease.  

Sorry for any confusion.

Best,
-PWM


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