https://bugzilla.novell.com/show_bug.cgi?id=859809 https://bugzilla.novell.com/show_bug.cgi?id=859809#c3 --- Comment #3 from Jon Nelson <jnelson-suse@jamponi.net> 2014-01-22 15:04:36 UTC --- Idle: linux-k1fq:~ # cpupower monitor -m Mperf |Mperf CPU | C0 | Cx | Freq 0| 6.67| 93.33| 894 1| 6.51| 93.49| 894 linux-k1fq:~ # Executing /dev/zero > /dev/null in the background: linux-k1fq:~ # cat /dev/zero > /dev/null & [1] 6179 linux-k1fq:~ # cpupower monitor -m Mperf |Mperf CPU | C0 | Cx | Freq 0| 13.82| 86.18| 897 1|100.00| 0.00| 897 Notice C0 is at 100%, but frequency hasn't changed. and /proc/cpuinfo linux-k1fq:~ # cat /proc/cpuinfo processor : 0 vendor_id : GenuineIntel cpu family : 6 model : 42 model name : Intel(R) Pentium(R) CPU B950 @ 2.10GHz stepping : 7 microcode : 0x29 cpu MHz : 1302.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 0 cpu cores : 2 apicid : 0 initial apicid : 0 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave lahf_lm arat epb xsaveopt pln pts dtherm bogomips : 4190.50 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: processor : 1 vendor_id : GenuineIntel cpu family : 6 model : 42 model name : Intel(R) Pentium(R) CPU B950 @ 2.10GHz stepping : 7 microcode : 0x29 cpu MHz : 1848.000 cache size : 2048 KB physical id : 0 siblings : 2 core id : 1 cpu cores : 2 apicid : 2 initial apicid : 2 fpu : yes fpu_exception : yes cpuid level : 13 wp : yes flags : fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe syscall nx rdtscp lm constant_tsc arch_perfmon pebs bts nopl xtopology nonstop_tsc aperfmperf eagerfpu pni pclmulqdq dtes64 monitor ds_cpl est tm2 ssse3 cx16 xtpr pdcm pcid sse4_1 sse4_2 x2apic popcnt tsc_deadline_timer xsave lahf_lm arat epb xsaveopt pln pts dtherm bogomips : 4190.50 clflush size : 64 cache_alignment : 64 address sizes : 36 bits physical, 48 bits virtual power management: linux-k1fq:~ # Setting to performance: linux-k1fq:~ # cpupower frequency-set -g performance Setting cpu: 0 Setting cpu: 1 Idle: linux-k1fq:~ # cpupower monitor -m Mperf |Mperf CPU | C0 | Cx | Freq 0| 14.98| 85.02| 2004 1| 15.09| 84.91| 2031 While cat'ing, again: linux-k1fq:~ # cat /dev/zero > /dev/null & [1] 6218 linux-k1fq:~ # cpupower monitor -m Mperf |Mperf CPU | C0 | Cx | Freq 0|100.00| 0.00| 2094 1| 8.59| 91.41| 2094 linux-k1fq:~ # -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.