linux-kernel - Re: [ANNOUNCE] 4.0.4-rt1

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Message-ID: <20150611120949.GE16115@linutronix.de>
Date:	Thu, 11 Jun 2015 14:09:49 +0200
From:	Sebastian Andrzej Siewior <bigeasy@...utronix.de>
To:	Pavel Vasilyev <pavel@...linux.ru>
Cc:	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] 4.0.4-rt1

* Pavel Vasilyev | 2015-05-20 13:06:22 [+0300]:

>Nvidia GeForce GT740 (blob driver)

If you worry but the >1ms spikes I suggest to remove that blob first.

># cyclictest -S -c 1 -m -p 99 --latency=0 --policy=fifo
>
># /dev/cpu_dma_latency set to 0us
>WARN: Running on unknown kernel version...YMMV
>policy: fifo: loadavg: 1.57 1.70 1.55 1/557 19347
>
>T: 0 (18369) P:99 I:1000 C:  26617 Min:      6 Act:   13 Avg:   12 Max:    1614

Sebastian
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