Re: Thermal Zones and Throttling

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On 4/18/07, Len Brown <lenb@xxxxxxxxxx> wrote:

Cat /proc/cpuinfo will tell if the hardware has automatic throttling
for thermal emergencies.


Which flag tells me that?
$ cat /proc/cpuinfo
processor       : 0
vendor_id       : GenuineIntel
cpu family      : 15
model           : 2
model name      : Mobile Intel(R) Pentium(R) 4 - M CPU 2.20GHz
stepping        : 7
cpu MHz         : 2200.000
cache size      : 512 KB
fdiv_bug        : no
hlt_bug         : no
f00f_bug        : no
coma_bug        : no
fpu             : yes
fpu_exception   : yes
cpuid level     : 2
wp              : yes
flags           : fpu vme de pse tsc msr pae mce cx8 sep mtrr pge mca
cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe up cid
bogomips        : 4389.84
clflush size    : 64

However, the real question is why you're having a thermal emergency
in the first place.  Is there dust blocking the fan?


Well, it's probably a very badly ventilated, 2.2Ghz Pentium4 M in a laptop! :-(
I've already ordered some notebook coolers!

-Len
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--
Paulo Jorge Matos - pocm at soton.ac.uk
http://www.personal.soton.ac.uk/pocm
PhD Student @ ECS
University of Southampton, UK
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