[ltp] Re: T41 and 2.6.1

[Chun-Yu Shei]

settembrini wrote:

>Hi Sergio, hi list,
>
>do you have '[*] CPU Frequency scailing' running with your 2.6.1-mm2 kernel ?
>When I enable the '<*> Intel P4 clock modulation' in this kernel, I have no
>output in 'ls /sys/devices/system/cpu/cpu0/cpufreq/ ' !!
>
>The dmesg output for 2.6.1-mm2 :
>
>cpufreq: P4/Xeon(TM) CPU On-Demand Clock Modulation available
>cpufreq: Unknown P4. Please send an e-mail to <linux@brodo.de>
>speedstep-centrino: found "Intel(R) Pentium(R) M processor 1600MHz":max frequ
>ency: 1600000kHz 
>
>
>I have no such problem with 2.6.1-rc1-mm2 !?
>
>The dmesg output for 2.6.1-rc1-mm2 :
>
>cpufreq: P4/Xeon(TM) CPU On-Demand Clock Modulation available
>speedstep-centrino: found "Intel(R) Pentium(R) M processor 1600MHz": max
>frequency: 1600000kHz
>speedstep-smi: signature:0x47534943, command:0x008200b2, event:0x00c000b3,
>perf_level:0x07d00000.
>
>cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_driver 
>p4-clockmod
>
>Regards,
>Joern
>  
>
You don't want P4 clock modulation, you want Enhanced SpeedStep.  Then, 
make sure speedstep-centrino is loaded if you build it as a module.  
Then it should show up correctly.

- Chun-Yu