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: 400 MHz - 2.30 GHz available frequency steps: 2.30 GHz, 2.30 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.70 GHz, 1.60 GHz, 1.50 GHz, 1.30 GHz, 1.20 GHz, 1.10 GHz, 900 MHz, 800 MHz, 700 MHz, 500 MHz, 400 MHz available cpufreq governors: conservative, userspace, powersave, ondemand, performance current policy: frequency should be within 400 MHz and 1.80 GHz. The governor "performance" may decide which speed to use within this range. current CPU frequency is 1.80 GHz (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: 321 Duration: 154677 C1: Flags/Description: ACPI FFH INTEL MWAIT 0x0 Latency: 1 Usage: 144766 Duration: 148569020 C2: Flags/Description: ACPI FFH INTEL MWAIT 0x33 Latency: 151 Usage: 42673 Duration: 84163917 C3: Flags/Description: ACPI FFH INTEL MWAIT 0x60 Latency: 1034 Usage: 43392 Duration: 1512359629