Re: Processor Temp
Re: Processor Temp
- Subject: Re: Processor Temp
- From: Shawn Erickson <email@hidden>
- Date: Sun, 18 Jan 2004 12:06:04 -0800
On Jan 15, 2004, at 8:11 PM, Robert J. Accettura wrote:
>
Is there a way to get the processor temp via terminal in OS X?
>
>
I'd like to script some method to record the processor temp of my old
>
beige G3.
Note the following email... it may give a avenue but as other have
stated no defined interface exists.
Begin forwarded message:
>
From: Shawn Erickson <email@hidden>
>
Date: January 8, 2004 8:06:34 AM PST
>
To: Kory T <email@hidden>
>
Cc: email@hidden
>
Subject: Re: Sensor readings
>
>
On Jan 7, 2004, at 11:25 PM, Kory T wrote:
>
>
> Hi,
>
>
>
> I've been trying to figure out where the readings for the G5 temp
>
> sensors can be located (also for Xserves). I'm assuming OS X has
>
> this info in a way where I can just 'cat' it (since everything on nix
>
> is treated as a file). Or is there a framework that I'm not aware of
>
> that allows me to access this info (still new to programming on OS X
>
> ;)? Can someone point me to the right direction?
>
>
I hopefully can get on the path at least... (don't know that answer
>
myself at the moment)
>
>
Try running the following command: "ioreg -b -n IOHWSensor"
>
>
You will see entries like the following...
>
>
| | | | +-o temp-sensor <class IOService, registered,
>
matched, active, busy 0, retain count 6>
>
| | | | +-o IOHWSensor <class IOHWSensor, registered,
>
matched, active, busy 0, retain count 6>
>
| | | | {
>
| | | | "current-value" = 1847296
>
| | | | "polling-period" = 18446744073709551615
>
| | | | "location" = "DRIVE BAY"
>
| | | | "type" = "temperature"
>
| | | | "IOClass" = "IOHWSensor"
>
| | | | "IONameMatched" = "temp-sensor"
>
| | | | "version" = 1
>
| | | | "zone" = <00000001>
>
| | | | "IOProbeScore" = 0
>
| | | | "IOMatchCategory" = "IODefaultMatchCategory"
>
| | | | "IONameMatch" =
>
("temp-sensor","voltage-sensor","current-sensor","power-sensor","adc-
>
sensor","fanspeed-sensor")
>
| | | | "CFBundleIdentifier" =
>
"com.apple.driver.AppleHWSensor"
>
| | | | "IOProviderClass" = "IOService"
>
| | | | "sensor-id" = 4
>
| | | | }
>
>
Using IOKit methods you can scan the IO registry programatically to
>
find the above information (see IOKit / Kernel document on Apples
>
developer site). You can also get a hold of the driver instances
>
(instances of IOHWSensor) which may or may not provide a user client
>
that will allow you directly communication with whatever API it
>
exposes. I don't know the units or encoding for current-value...
>
>
Also sysclt may exist for the above information... (I don't know
>
myself)
>
>
-Shawn
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| References: | |
| | >Processor Temp (From: "Robert J. Accettura" <email@hidden>) |