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: 740 MHz - 3.70 GHz available frequency steps: 3.70 GHz, 3.50 GHz, 3.30 GHz, 3.10 GHz, 2.90 GHz, 2.70 GHz, 2.50 GHz, 2.20 GHz, 2.00 GHz, 1.80 GHz, 1.60 GHz, 1.40 GHz, 1.20 GHz, 1000 MHz, 800 MHz, 740 MHz available cpufreq governors: userspace, ondemand, performance current policy: frequency should be within 740 MHz and 3.70 GHz. The governor "ondemand" 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: no Active: no 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: 3335 Duration: 811579 C1: Flags/Description: ACPI FFH INTEL MWAIT 0x0 Latency: 1 Usage: 284666 Duration: 79313586 C2: Flags/Description: ACPI FFH INTEL MWAIT 0x33 Latency: 151 Usage: 54253 Duration: 32714972 C3: Flags/Description: ACPI FFH INTEL MWAIT 0x40 Latency: 256 Usage: 233101 Duration: 1326885910