From: Philippe Gerum <rpm@xenomai.org>
To: Jan Kiszka <kiszka@domain.hid>
Cc: xenomai-core <xenomai@xenomai.org>
Subject: Re: [Xenomai-core] [PATCH] debug_maxlat as module_param
Date: Sat, 17 Dec 2005 18:23:38 +0100 [thread overview]
Message-ID: <43A4499A.9040004@domain.hid> (raw)
In-Reply-To: <43A4481B.7060401@domain.hid>
Jan Kiszka wrote:
> Gilles Chanteperdrix wrote:
>
>>Jan Kiszka wrote:
>> > Hi,
>> >
>> > this tiny patch exports the NMI watchdog's threshold as module parameter
>> > "debug_maxlat" of xeno_hal. This means that one can either override the
>> > value via a kernel parameter or in sysfs/modules/xeno_hal/parameters
>> > (before activating the hal).
>>
>>rthal_maxlat_tsc should be updated when rthal_maxlat_us_arg changes.
>>
>
>
> I didn't digged that deep, is this possible during runtime? My current
> workflow looks like this: unload xeno_nucleus (and higher modules),
> change maxlat, reload the modules.
>
> Mmh, I guess one has to register some update handler with sysfs in that
> case. Any hint where to look for a pattern?
>
Please don't depend on sysfs for generic features since they would not
be available on 2.4.
> Jan
>
>
> ------------------------------------------------------------------------
>
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> Xenomai-core@domain.hid
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--
Philippe.
next prev parent reply other threads:[~2005-12-17 17:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-12-17 16:02 [Xenomai-core] [PATCH] debug_maxlat as module_param Jan Kiszka
2005-12-17 16:41 ` Gilles Chanteperdrix
2005-12-17 17:17 ` Jan Kiszka
2005-12-17 17:23 ` Philippe Gerum [this message]
2005-12-18 12:48 ` Gilles Chanteperdrix
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