Date: Sat, 04 Jul 2015 08:53:32 -0453 From: "William A. Mahaffey III" <wam@hiwaay.net> To: freebsd-questions@freebsd.org Subject: Re: Best console hardware monitor pkg? Message-ID: <5597E3E5.5050103@hiwaay.net> In-Reply-To: <5597DF28.50903@FreeBSD.org> References: <559760A3.7000901@sneakertech.com> <5597DF28.50903@FreeBSD.org>
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On 07/04/15 08:33, Matthew Seaman wrote:
> On 04/07/2015 05:27, Quartz wrote:
>> What's the general opinion these days on the "best" utility for
>> monitoring all the temperature probes, fan speeds, and other readouts
>> from a motherboard? (One that doesn't need X and can be installed
>> through pkg).
> This depends on exactly what sort of hardware you have. There are
> different monitoring tools depending on your motherboard and processor.
>
> With modern CPUs there is usually an on-die thermal sensor which you can
> interrogate by loading a kernel module: see coretemp(4) and amdtemp(4)
> -- using these will let you read out CPU temperature using sysctl(1).
>
> Unfortunately access to other monitoring variables is less consistent.
> Probably your best bet is if you've a server class motherboard with some
> sort of lights-out management capability -- or indeed many other
> motherboards nowadays. In which case you should be able to load the
> ipmi(4) kernel module and install ipmitool(8) from ports to be able to
> query it. Using IPMI enables you to get, and possibly set, a lot of the
> stuff that's usually only accessible from the system bios, as well as
> access to on-board temperature sensors, PSU voltages, chassis intrusion
> sensors and fan speeds. Now, while the tool and the management
> interface is common to a lot of different manufacturers, exactly how the
> monitoring data is structured is not, so it might take a bit of shell
> scripting to massage the data into a usable form.
>
> Cheers,
>
> Matthew
>
>
I have both xmbmon & amdtemp installed, & I think amdtemp is giving bad
values:
[root@kabini1, /etc, 8:50:06am] 918 % sysctl -A | egrep
'(temperature|usage)'
dev.cpu.0.temperature: 12.3C
dev.cpu.0.cx_usage: 100.00% 0.00% last 15us
dev.cpu.1.temperature: 12.3C
dev.cpu.1.cx_usage: 100.00% last 2173us
dev.cpu.2.temperature: 12.3C
dev.cpu.2.cx_usage: 100.00% last 16us
dev.cpu.3.temperature: 12.3C
dev.cpu.3.cx_usage: 100.00% last 9us
[root@kabini1, /etc, 8:50:08am] 919 % mbmon -c1
Temp.= 36.0, 0.0, 0.0; Rot.= 0, 0, 0
Vcore = 2.56, 3.78; Volt. = 3.36, 5.64, 6.57, 2.53, -2.64
[root@kabini1, /etc, 8:50:09am] 920 % uname -a
FreeBSD kabini1.local 9.3-RELEASE-p13 FreeBSD 9.3-RELEASE-p13 #0: Tue
Apr 7 03:01:12 UTC 2015
root@amd64-builder.daemonology.net:/usr/obj/usr/src/sys/GENERIC amd64
[root@kabini1, /etc, 8:50:27am] 921 %
CPU is jaguar kabini (Sempron 3850). ~12C is thermodynamically
impossible for room temp of around 20C & the CPU producing heat :-).
--
William A. Mahaffey III
----------------------------------------------------------------------
"The M1 Garand is without doubt the finest implement of war
ever devised by man."
-- Gen. George S. Patton Jr.
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