frequency-info -------------- analyzing CPU 0: driver: acpi-cpufreq CPUs which run at the same hardware frequency: 0 CPUs which need to have their frequency coordinated by software: 0 maximum transition latency: 10.0 us hardware limits: 800 MHz - 3.00 GHz available frequency steps: 3.00 GHz, 3.00 GHz, 2.80 GHz, 2.70 GHz, 2.50 GHz, 2.40 GHz, 2.20 GHz, 2.10 GHz, 1.90 GHz, 1.70 GHz, 1.60 GHz, 1.40 GHz, 1.30 GHz, 1.10 GHz, 1000 MHz, 800 MHz available cpufreq governors: userspace ondemand performance current policy: frequency should be within 800 MHz and 3.00 GHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency: 800 MHz (asserted by call to hardware) boost state support: Supported: yes Active: yes idle-info --------- CPUidle driver: acpi_idle CPUidle governor: menu analyzing CPU 0: Number of idle states: 4 Available idle states: POLL C1 C2 C3 POLL: Flags/Description: CPUIDLE CORE POLL IDLE Latency: 0 Usage: 335 Duration: 75149 C1: Flags/Description: ACPI FFH INTEL MWAIT 0x0 Latency: 1 Usage: 93689 Duration: 47274516 C2: Flags/Description: ACPI FFH INTEL MWAIT 0x33 Latency: 151 Usage: 21968 Duration: 17734533 C3: Flags/Description: ACPI FFH INTEL MWAIT 0x40 Latency: 256 Usage: 172624 Duration: 706140417