On Thu, 2007-11-22 at 10:59 -0600, Mikkel L. Ellertson wrote: > Aaron Konstam wrote: > > When I issue the commands above I get: > > [akonstam@cyrus ~]$ cat /proc/acpi/processor/CPU0/throttling > > state count: 8 > > active state: T0 > > state available: T0 to T7 > > states: > > *T0: 00% > > T1: 12% > > T2: 25% > > T3: 37% > > T4: 50% > > T5: 62% > > T6: 75% > > T7: 87% > > [akonstam@cyrus ~]$ > > cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies > > 1867000 1600000 1333000 1067000 800000 > > > > Now the second set of numbers are the ones I actually see as cpu > > frequencies. The first makes no sense at all. Can any one explain the > > output? > > > The T0 through T7 are throttle settings number 0 through 7. So you > would use a value of 4 to throttle the CPU to 50%. If hte CPU > supports only 3 different throttle settings, I would ounl expect to > see T0 through T3. However, I see only the cpuspeeds (5 of them) displayed by: cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies So why are there 8 throttle settings? What setting would give me no throttling? It is a mystery. -- ======================================================================= A baby is an alimentary canal with a loud voice at one end and no responsibility at the other. ======================================================================= Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam@xxxxxxxxxxxxx
