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From: Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>
To: eric <ericvic@163.com>
Cc: "xenomai@xenomai.org" <xenomai@xenomai.org>
Subject: Re: [Xenomai] ipipe-gch-ipipe-3.0-imx6q latency
Date: Mon, 14 Dec 2015 07:42:53 +0100	[thread overview]
Message-ID: <20151214064253.GC7035@hermes.click-hack.org> (raw)
In-Reply-To: <5d8dd3ae.5ccc.1519e440866.Coremail.ericvic@163.com>

On Mon, Dec 14, 2015 at 10:13:57AM +0800, eric wrote:
> It is much better with 3.18.20 ,it is  the test result with xenomai-3.0.1   500us cycle ,still a little big ,thanks!
> -sh-2.05b# [  154.812032] pmax: 0.597303 ms
> [  245.216863] pmax: 0.600940 ms
> [  249.992395] pmax: 0.603288 ms
> [  277.280006] pmax: 0.610470 ms

I am not sure about what you measure, but if you observe a 500us
latency, you have a problem.

What latency does Xenomai latency test give?

-- 
					    Gilles.
https://click-hack.org


  reply	other threads:[~2015-12-14  6:42 UTC|newest]

Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-12-08 10:43 [Xenomai] ipipe-gch-ipipe-3.0-imx6q latency eric
2015-12-08 11:23 ` Gilles Chanteperdrix
2015-12-14  2:13   ` eric
2015-12-14  6:42     ` Gilles Chanteperdrix [this message]
2015-12-14  7:57       ` eric
2015-12-14  8:03         ` Gilles Chanteperdrix
2015-12-14  8:30           ` eric
2015-12-14  9:04             ` [Xenomai] Compileerror rt_imx_uart.c on kernel 3.10.53 ARM Wolfgang Netbal
2015-12-14 22:48               ` Gilles Chanteperdrix
2015-12-14  9:05             ` [Xenomai] ipipe-gch-ipipe-3.0-imx6q latency eric
2015-12-14 22:19               ` Gilles Chanteperdrix
2015-12-15  0:54                 ` eric
2015-12-15  6:17                   ` Gilles Chanteperdrix
2015-12-15  7:05                     ` eric
2015-12-14  8:08         ` eric

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