Date: Wed, 17 Oct 2007 15:20:04 -0700 From: John-Mark Gurney <gurney_j@resnet.uoregon.edu> To: John Baldwin <jhb@freebsd.org> Cc: arch@freebsd.org, "Constantine A. Murenin" <cnst@freebsd.org> Subject: Re: sensors fun.. Message-ID: <20071017222004.GT39759@funkthat.com> In-Reply-To: <200710171245.36949.jhb@freebsd.org> References: <200710171245.36949.jhb@freebsd.org>
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John Baldwin wrote this message on Wed, Oct 17, 2007 at 12:45 -0400:
> Basically, I think there should be a "real" abstracted interface in userland
> that can use various backends. One backend could be to query sensors from
> drivers that provide them directly (lm(4), etc.). Another backend could use
> the existing IPMI interface to query SDR sensors via IPMI commands to the
> BMC. Different RAID controllers could provide backends that communicate with
> the firmware to maintain whatever state is needed, etc. but w/o doing all
> that in the device driver. People could write their own custom sensors w/o
> having to write a kernel module. Maybe that's a bigger vision than you were
> shooting for. I'm not sure phk@ will agree with this one either fwiw. :)
I'll second this.. Userland sensor modules should be first class just
like the kernel drivers... requiring no modification to utilities
like systat to display their information...
--
John-Mark Gurney Voice: +1 415 225 5579
"All that I will do, has been done, All that I have, has not."
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