https://bugzilla.kernel.org/show_bug.cgi?id=12114 --- Comment #19 from Dominique Larchey-Wendling <larchey@xxxxxxxx> 2011-03-10 12:47:32 --- So with my 2.6.32 compiled without TSC (CONFIG_X86_TSC undefined) but with ACPI_PROCESSOR=m and running without the "processor.max_cstate=1" command line parameter, here are the results : ----------------------------------------------------------------------------- $ ls /proc/acpi/processor/*/power /proc/acpi/processor/CPU0/power $ cat /proc/acpi/processor/*/power active state: C0 max_cstate: C8 maximum allowed latency: 2000000000 usec states: C1: type[C1] promotion[--] demotion[--] latency[000] usage[00002176] duration[00000000000000000000] C2: type[C2] promotion[--] demotion[--] latency[090] usage[00020235] duration[00000000001322893600] ----------------------------------------------------------------------------- $ for x in `ls /sys/devices/system/cpu/cpu*/cpuidle/state*/*` ; do echo $x ; cat $x ; done /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 1704275 /sys/devices/system/cpu/cpu0/cpuidle/state1/usage 2178 /sys/devices/system/cpu/cpu0/cpuidle/state2/desc <null> /sys/devices/system/cpu/cpu0/cpuidle/state2/latency 90 /sys/devices/system/cpu/cpu0/cpuidle/state2/name C2 /sys/devices/system/cpu/cpu0/cpuidle/state2/power 0 /sys/devices/system/cpu/cpu0/cpuidle/state2/time 416769058 /sys/devices/system/cpu/cpu0/cpuidle/state2/usage 22022 -- Configure bugmail: https://bugzilla.kernel.org/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are the assignee for the bug. -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html