[icehawk@icehawk-laptop linuxhome]$ sudo lsmod|grep -i cpu
cpufreq_ondemand        7262  2 
acpi_cpufreq            6285  0 
mperf                   1141  1 acpi_cpufreq
[icehawk@icehawk-laptop linuxhome]$ sudo lsmod|grep -i cpu
cpufreq_ondemand        7262  2 
acpi_cpufreq            6285  0 
mperf                   1141  1 acpi_cpufreq
[icehawk@icehawk-laptop linuxhome]$ sudo service cpuspeed stop
Disabling ondemand cpu frequency scaling:                  [  OK  ]
[icehawk@icehawk-laptop linuxhome]$ sudo service cpuspeed status
cpuspeed is stopped
[icehawk@icehawk-laptop linuxhome]$ sudo lsmod|grep -i cpu
acpi_cpufreq            6285  0 
mperf                   1141  1 acpi_cpufreq
[icehawk@icehawk-laptop linuxhome]$