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: 1.60 GHz - 2.80 GHz available frequency steps: 2.80 GHz, 2.80 GHz, 2.13 GHz, 1.60 GHz available cpufreq governors: userspace ondemand performance current policy: frequency should be within 1.60 GHz and 2.80 GHz. The governor "ondemand" may decide which speed to use within this range. current CPU frequency: 2.80 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: 738 Duration: 240450 C1: Flags/Description: ACPI FFH INTEL MWAIT 0x0 Latency: 1 Usage: 2391 Duration: 166512 C2: Flags/Description: ACPI FFH INTEL MWAIT 0x10 Latency: 1 Usage: 543755 Duration: 1461718215 C3: Flags/Description: ACPI FFH INTEL MWAIT 0x50 Latency: 162 Usage: 236399 Duration: 490582732