On Saturday 04 December 2010, [email protected] wrote: > Volker Armin Hemmann <[email protected]> [10-12-04 01:24]: > > On Friday 03 December 2010, [email protected] wrote: > > > Hi, > > > > > > I googled this and found some other people asking the same question... > > > But I didn't find the answer. > > > > > > I am using linux kernel 2.6.36.1 vanilla to run on a AMD Phenom X6 > > > 1090T/ASUS Crosshair IV Formula system. > > > > > > I enabled "ondemand" CPU frequency scaling givernor in the kernel and > > > "Cool'n' Quiet" in the bios of the board. I also enabled "Turbo Core" > > > in the bios (which says the 3200MHz is max and 3600 MHz in case of > > > Turbo Core being used.. I disabled C1E. > > > > > > After Linux is booted (AMD64!) and idled, the CPU is running at 800Mhz > > > (nice!) and at 3200 MHz when system is under load. > > > > > > But: > > > With prime I put exactly two cores under load, so normally Turbo Core > > > would kick in...but the clock of those both cores show 3200MHz instead > > > of 3600MHz.... > > > > > > How can I make use of the Turbo-Core feature unde Linux? > > > > and you looked at the speed using cat /proc/cpuinfo? > > > > Because the mhz displayed there are misleading. cpuinfo does not show at > > which speeds it is acutally running if there is any oc/uc involved. An > > overclocked cpu might show 2Ghz while it is running at 2.3GHz > > > > See: > > http://www.phoronix.com/forums/showthread.php?t=26065 > > No, I didn't. > > I looked at: > > /sys/devices/system/cpu/cpu[0-5]/cpufreq/cpuinfo_max_freq > > and it is saying > > 3200000 > > .
same stuff.
