PUID GenuineIntel 11 levels family:model:stepping 6:26:5 Nehalem multiplier 21, TSC frequency 2800 MHz Nehalem 4 cores active: 23 mult, max turbo frequency = 3067 MHz Nehalem 3 cores active: 23 mult, max turbo frequency = 3067 MHz Nehalem 2 cores active: 24 mult, max turbo frequency = 3200 MHz Nehalem 1 core active: 24 mult, max turbo frequency = 3200 MHz CPU GHz TSC %c0 %c1 %c3 %c6 %pc3 %pc6 %pc7 avg 1.60 2.80 0.03 0.04 0.00 99.93 0.00 99.44 0.00 0 1.59 2.80 0.02 0.05 0.00 99.93 0.00 99.45 0.00 1 1.59 2.80 0.02 0.05 0.00 99.93 0.00 99.45 0.00 2 1.61 2.80 0.01 0.02 0.00 99.97 0.00 99.45 0.00 3 1.60 2.80 0.10 0.11 0.00 99.79 0.00 99.44 0.00 4 1.60 2.80 0.04 0.03 0.00 99.93 0.00 99.44 0.00 5 1.59 2.80 0.02 0.03 0.00 99.95 0.00 99.44 0.00 6 1.60 2.80 0.01 0.01 0.00 99.98 0.00 99.44 0.00 7 1.60 2.80 0.01 0.01 0.00 99.97 0.00 99.45 0.00 o [root@nhm-ep lenb]# cat /dev/zero >/dev/null & [1] 2997 [root@nhm-ep lenb]# ./turbostat -v CPUID GenuineIntel 11 levels family:model:stepping 6:26:5 Nehalem multiplier 21, TSC frequency 2800 MHz Nehalem 4 cores active: 23 mult, max turbo frequency = 3067 MHz Nehalem 3 cores active: 23 mult, max turbo frequency = 3067 MHz Nehalem 2 cores active: 24 mult, max turbo frequency = 3200 MHz Nehalem 1 core active: 24 mult, max turbo frequency = 3200 MHz CPU GHz TSC %c0 %c1 %c3 %c6 %pc3 %pc6 %pc7 avg 3.07 2.80 13.57 1.67 0.00 84.76 0.00 0.00 0.00 0 1.60 2.80 2.02 6.75 0.00 91.23 0.00 0.00 0.00 1 1.59 2.80 0.02 0.05 0.00 99.93 0.00 0.00 0.00 2 1.59 2.80 0.03 0.06 0.00 99.91 0.00 0.00 0.00 3 1.60 2.80 6.46 6.45 0.00 87.09 0.00 0.00 0.00 4 3.18 2.80 0.03 0.04 0.00 99.94 0.00 0.00 0.00 5 3.20 2.80 100.00 0.00 0.00 0.00 0.00 0.00 0.00 6 3.06 2.80 0.01 0.01 0.00 99.99 0.00 0.00 0.00 7 3.04 2.80 0.00 0.01 0.00 99.99 0.00 0.00 0.00