On 2014-02-11 06:43, Jan Kiszka wrote: > On 2014-02-11 01:01, Len Brown wrote: >> Please send the output of these two command before and after the patch: >> >> dmesg | grep idle >> grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* > > Before: > # dmesg | grep idle > [ 0.648783] cpuidle: using governor ladder > [ 0.648787] cpuidle: using governor menu > [ 1.053215] intel_idle: does not run on family 6 model 54 > [ 3.285430] ACPI: acpi_idle registered with cpuidle > # grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* > /sys/devices/system/cpu/cpu0/cpuidle/state0/desc:CPUIDLE CORE POLL IDLE > /sys/devices/system/cpu/cpu0/cpuidle/state0/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state0/latency:0 > /sys/devices/system/cpu/cpu0/cpuidle/state0/name:POLL > /sys/devices/system/cpu/cpu0/cpuidle/state0/power:4294967295 > /sys/devices/system/cpu/cpu0/cpuidle/state0/time:443 > /sys/devices/system/cpu/cpu0/cpuidle/state0/usage:5 > /sys/devices/system/cpu/cpu0/cpuidle/state1/desc:ACPI FFH INTEL MWAIT 0x0 > /sys/devices/system/cpu/cpu0/cpuidle/state1/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state1/latency:1 > /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:420944 > /sys/devices/system/cpu/cpu0/cpuidle/state1/usage:1798 > /sys/devices/system/cpu/cpu0/cpuidle/state2/desc:ACPI FFH INTEL MWAIT 0x10 > /sys/devices/system/cpu/cpu0/cpuidle/state2/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state2/latency:20 > /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:119479360 > /sys/devices/system/cpu/cpu0/cpuidle/state2/usage:32863 > /sys/devices/system/cpu/cpu0/cpuidle/state3/desc:ACPI FFH INTEL MWAIT 0x30 > /sys/devices/system/cpu/cpu0/cpuidle/state3/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state3/latency:100 > /sys/devices/system/cpu/cpu0/cpuidle/state3/name:C3 > /sys/devices/system/cpu/cpu0/cpuidle/state3/power:0 > /sys/devices/system/cpu/cpu0/cpuidle/state3/time:1673 > /sys/devices/system/cpu/cpu0/cpuidle/state3/usage:7 > /sys/devices/system/cpu/cpu0/cpuidle/state4/desc:ACPI FFH INTEL MWAIT 0x52 > /sys/devices/system/cpu/cpu0/cpuidle/state4/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state4/latency:140 > /sys/devices/system/cpu/cpu0/cpuidle/state4/name:C4 > /sys/devices/system/cpu/cpu0/cpuidle/state4/power:0 > /sys/devices/system/cpu/cpu0/cpuidle/state4/time:125622 > /sys/devices/system/cpu/cpu0/cpuidle/state4/usage:63 > > After: > # dmesg | grep idle > [ 0.244640] cpuidle: using governor ladder > [ 0.244645] cpuidle: using governor menu > [ 0.654351] intel_idle: MWAIT substates: 0x3020220 > [ 0.654355] intel_idle: v0.4 model 0x36 > [ 0.654359] intel_idle: lapic_timer_reliable_states 0xffffffff > # grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* > /sys/devices/system/cpu/cpu0/cpuidle/state0/desc:CPUIDLE CORE POLL IDLE > /sys/devices/system/cpu/cpu0/cpuidle/state0/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state0/latency:0 > /sys/devices/system/cpu/cpu0/cpuidle/state0/name:POLL > /sys/devices/system/cpu/cpu0/cpuidle/state0/power:4294967295 > /sys/devices/system/cpu/cpu0/cpuidle/state0/time:572 > /sys/devices/system/cpu/cpu0/cpuidle/state0/usage:12 > /sys/devices/system/cpu/cpu0/cpuidle/state1/desc:MWAIT 0x00 > /sys/devices/system/cpu/cpu0/cpuidle/state1/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state1/latency:10 > /sys/devices/system/cpu/cpu0/cpuidle/state1/name:C1E-ATM > /sys/devices/system/cpu/cpu0/cpuidle/state1/power:0 > /sys/devices/system/cpu/cpu0/cpuidle/state1/time:722013 > /sys/devices/system/cpu/cpu0/cpuidle/state1/usage:3132 > /sys/devices/system/cpu/cpu0/cpuidle/state2/desc:MWAIT 0x10 > /sys/devices/system/cpu/cpu0/cpuidle/state2/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state2/latency:20 > /sys/devices/system/cpu/cpu0/cpuidle/state2/name:C2-ATM > /sys/devices/system/cpu/cpu0/cpuidle/state2/power:0 > /sys/devices/system/cpu/cpu0/cpuidle/state2/time:4512127 > /sys/devices/system/cpu/cpu0/cpuidle/state2/usage:9147 > /sys/devices/system/cpu/cpu0/cpuidle/state3/desc:MWAIT 0x30 > /sys/devices/system/cpu/cpu0/cpuidle/state3/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state3/latency:100 > /sys/devices/system/cpu/cpu0/cpuidle/state3/name:C4-ATM > /sys/devices/system/cpu/cpu0/cpuidle/state3/power:0 > /sys/devices/system/cpu/cpu0/cpuidle/state3/time:1996954 > /sys/devices/system/cpu/cpu0/cpuidle/state3/usage:2696 > /sys/devices/system/cpu/cpu0/cpuidle/state4/desc:MWAIT 0x52 > /sys/devices/system/cpu/cpu0/cpuidle/state4/disable:0 > /sys/devices/system/cpu/cpu0/cpuidle/state4/latency:140 > /sys/devices/system/cpu/cpu0/cpuidle/state4/name:C6-ATM > /sys/devices/system/cpu/cpu0/cpuidle/state4/power:0 > /sys/devices/system/cpu/cpu0/cpuidle/state4/time:266926331 > /sys/devices/system/cpu/cpu0/cpuidle/state4/usage:73695 > >> >> How did you measure power on the the DN2800MT, and on what workload? > > I measured the input current of the board @12V. In both cases, the > system was idle in single-user mode, practically no processes running. > > Jan > >
Was this answering your questions sufficiently? Can it be merged? Jan
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