linux-kernel - Re: [ANNOUNCE] 3.0.1-rt11

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Message-ID: <20110816193128.GE2404@linux.vnet.ibm.com>
Date:	Tue, 16 Aug 2011 12:31:28 -0700
From:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
To:	Mike Galbraith <efault@....de>
Cc:	Nivedita Singhvi <niv@...ibm.com>,
	Peter Zijlstra <peterz@...radead.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	linux-rt-users <linux-rt-users@...r.kernel.org>
Subject: Re: [ANNOUNCE] 3.0.1-rt11

On Tue, Aug 16, 2011 at 05:10:08PM +0200, Mike Galbraith wrote:
> On Tue, 2011-08-16 at 07:17 -0700, Nivedita Singhvi wrote:
> 
> > Mike,
> > 
> > Which test were you running? Because I'm not seeing it
> > on our x3550 M3..
> 
> -rt11 did not trip up just idling along like a couple earlier releases
> did, but did stall when I tried to run ltp realtime testcases.

But please note that if your realtime workload is CPU-bound with prio
greater than that of RCU_SOFTIRQ, stalls would be expected.

							Thanx, Paul
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