frodo ~ # grep . /sys/devices/system/cpu/cpu*/cpuidle/*/*
/sys/devices/system/cpu/cpu0/cpuidle/state0/desc:CPUIDLE CORE POLL IDLE
/sys/devices/system/cpu/cpu0/cpuidle/state0/latency:0
/sys/devices/system/cpu/cpu0/cpuidle/state0/name:C0
/sys/devices/system/cpu/cpu0/cpuidle/state0/power:4294967295
/sys/devices/system/cpu/cpu0/cpuidle/state0/time:0
/sys/devices/system/cpu/cpu0/cpuidle/state0/usage:0
/sys/devices/system/cpu/cpu0/cpuidle/state1/desc:<null>
/sys/devices/system/cpu/cpu0/cpuidle/state1/latency:0
/sys/devices/system/cpu/cpu0/cpuidle/state1/name:C1
/sys/devices/system/cpu/cpu0/cpuidle/state1/power:0
/sys/devices/system/cpu/cpu0/cpuidle/state1/time:145285
/sys/devices/system/cpu/cpu0/cpuidle/state1/usage:28694
/sys/devices/system/cpu/cpu0/cpuidle/state2/desc:<null>
/sys/devices/system/cpu/cpu0/cpuidle/state2/latency:10
/sys/devices/system/cpu/cpu0/cpuidle/state2/name:C3
/sys/devices/system/cpu/cpu0/cpuidle/state2/power:0
/sys/devices/system/cpu/cpu0/cpuidle/state2/time:164854064
/sys/devices/system/cpu/cpu0/cpuidle/state2/usage:788115