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Date: Mon, 27 Jan 2014 10:14:13 +0100 From: Mike Galbraith <bitbucket@...ine.de> To: Carsten Emde <C.Emde@...dl.org> Cc: Sebastian Andrzej Siewior <bigeasy@...utronix.de>, linux-rt-users <linux-rt-users@...r.kernel.org>, LKML <linux-kernel@...r.kernel.org>, Thomas Gleixner <tglx@...utronix.de>, rostedt@...dmis.org, John Kacur <jkacur@...hat.com> Subject: Re: [ANNOUNCE] 3.12.8-rt11 On Mon, 2014-01-27 at 05:54 +0100, Carsten Emde wrote: > It is well conceivable that this or one of the next 3.12.X-rtY > versions will remind us of the legendary 2.6.33 RT kernel. Hm. I wonder if HRTIMER_SOFTIRQ being processed alone, and at maxed out priority wouldn't beat 2.6.33-rt on your boxen. My 64 core box running -rt9 (minus nohz_full patches) does beat it. Two hacks attached if you're curious too, one to optionally resurrect sirq threads, another to kick obnoxious idle_balance().. below the belt. -Mike View attachment "softirq-resurrect-threads.patch" of type "text/x-patch" (11445 bytes) View attachment "sched-further-limit-idle_balance.patch" of type "text/x-patch" (1588 bytes)
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