On Sun, Sep 12, 2010 at 11:30 PM, Ben Armstrong <[email protected] > wrote:
> On 12/09/10 07:13 PM, Daniel Harris wrote: > >> The above commands work with the correct output as indicated above but >> unless I am doing something stupid nothing changes. The desktop aplet >> remains at 800MHz and cat >> /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_cur_freq = 800000. Again if I >> change it with the applet I can get the cpu to change to 1600000. >> > > The applet can only report what SpeedStep setting the CPU reports. That > doesn't accurately reflect the effective speed of the CPU which is a > multiple of bus speed. But we can determine that there was a change by > indirect means (aside from directly reading cpufv): > > Run three trials at each of the settings of this crude benchmark: > > time sh -c "echo '2^2^20' | bc > /dev/null" > > Or else use find & use some bona fide CPU benchmark. > > Ben > > OK I was doing something stupid the cpu test indicate all is working perfectly. Its the applet that is wrong. Thanks for walking me through that. Dan
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