PowerTOP report

System information

PowerTOP version1.98 beta 1
Kernel versionLinux version 3.1.5-6.fc16.x86_64 (mockbuild@x86-10.phx2.fedoraproject.org) (gcc version 4.6.2 20111027 (Red Hat 4.6.2-1) (GCC) ) #1 SMP Thu Dec 15 16:14:44 UTC 2011
System nameLENOVO 7459H98 ThinkPad X200
CPU information2x Intel(R) Core(TM)2 Duo CPU P8600 @ 2.40GHz
OS informationFedora release 16 (Verne)

Power consumption summary

7.4 wakeups/second, 0.0 GPU ops/second and 0.0 VFS ops/sec

Power est.UsageEvents/sCategoryDescription
3.77 W 75.3%DeviceDisplay backlight
1.81 W 2038 rpmDeviceLaptop fan
354 mW 0.0 pkts/sDeviceNetwork interface: eth0 (e1000e)
84.5 mW 28.5 us/s 4.9kWorkfb_flashcursor
12.1 mW 43.3 us/s 0.7Timertick_sched_timer
7.78 mW 11.7 us/s 0.4Interrupt[4] block(softirq)
3.48 mW 0.0% 0.20Processsendmail: accepting connections
3.45 mW 0.0% 0.20Process[ksoftirqd/1]
2.59 mW 0.1 us/s 0.15kWorkblk_delay_work
1.75 mW 0.0% 0.10Process[jbd2/dm-3-8]

Processor Idle state report

Package   CPU 0
POLL 0.0%  POLL 0.0% 0.0 ms
C1 0.0%  C1 0.0% 0.0 ms
C2 0.4%  C2 0.7% 16.4 ms
C3 99.6%  C3 99.2% 149.2 ms
    CPU 1
   POLL 0.0% 0.0 ms
   C1 0.0% 0.0 ms
   C2 0.0% 0.3 ms
   C3 99.9% 154.9 ms

Processor frequency report

Package   CPU 0
Turbo Mode 0.0%   Turbo Mode 0.0%
2.40 Ghz 0.0%   2.40 Ghz 0.0%
1.60 Ghz 0.0%   1.60 Ghz 0.0%
800 Mhz 0.0%    800 Mhz 0.0%
Idle 100.0%   Idle 100.0%
    CPU 1
   Turbo Mode 0.0%
   2.40 Ghz 0.0%
   1.60 Ghz 0.0%
    800 Mhz 0.0%
   Idle 100.0%

Overview of software power consumers

Power est.UsageWakeups/sGPU ops/sDisk IO/sCategoryDescription
84.5 mW 28.5 us/s 4.9kWorkfb_flashcursor
12.1 mW 43.3 us/s 0.7Timertick_sched_timer
7.78 mW 11.7 us/s 0.4Interrupt[4] block(softirq)
3.48 mW 21.9 us/s 0.20Processsendmail: accepting connections
3.45 mW 4.3 us/s 0.20Process[ksoftirqd/1]
2.59 mW 0.1 us/s 0.15kWorkblk_delay_work
1.75 mW 16.0 us/s 0.10Process[jbd2/dm-3-8]
1.73 mW 4.8 us/s 0.10Process/usr/sbin/ntpd -n -u ntp:ntp -g
1.73 mW 4.6 us/s 0.10Process[khugepaged]
1.73 mW 2.6 us/s 0.10Timerhrtimer_wakeup
1.72 mW 0.4 us/s 0.10kWorkneigh_periodic_work
1.71 mW 546.4 us/s 0.05Processpowertop --html x200-powertop-init3.html
1.01 mW 96.1 us/s 0.05kWorkkcryptd_crypt
889 uW 17.2 us/s 0.05Interrupt[7] sched(softirq)
864 uW 1.4 us/s 0.05Process[flush-253:3]
864 uW 1.3 us/s 0.05Process/sbin/audispd
863 uW 0.7 us/s 0.05Process[sync_supers]
862 uW 0.1 us/s 0.05kWorkcfq_kick_queue
0 mW 57.3 us/sInterrupt[1] timer(softirq)
0 mW 43.6 us/sProcess[kworker/1:1]
0 mW 36.5 us/skWorkdo_dbs_timer
0 mW 27.7 us/sTimerdelayed_work_timer_fn
0 mW 25.0 us/sInterrupt[0] timer/0
0 mW 23.3 us/sInterrupt[0] timer/1
0 mW 16.0 us/sProcess[migration/1]
0 mW 9.8 us/sTimercursor_timer_handler
0 mW 7.3 us/sInterrupt[9] RCU(softirq)
0 mW 4.6 us/sInterrupt[43] SATA controller
0 mW 3.9 us/skWorkvmstat_update
0 mW 3.6 us/sProcess[migration/0]
0 mW 2.8 us/sProcess[kworker/0:1]
0 mW 0.6 us/sTimerprocess_timeout
0 mW 0.3 us/sTimersync_supers_timer_fn
0 mW 0.2 us/sTimercommit_timeout
0 mW 0.2 us/sTimercfq_idle_slice_timer
0 mW 0.1 us/skWorkdm_wq_work
0 mW 0.1 us/sTimerlaptop_mode_timer_fn

Process device activity

ProcessDevice
systemd/dev/autofs
/dev/kmsg
systemd-stdout-/dev/console
/dev/kmsg
acpid/dev/input/event6
/dev/input/event5
/dev/input/event3
/dev/input/event2
/dev/input/event1
/dev/input/event0
mcelog/dev/mcelog

Device power report

System baseline power is estimated at 4.69 W

Power est.UsageDevice name
2.78 W 86.7%Display backlight
1.81 W 2038 rpmLaptop fan
985 mW 75.3%Display backlight
354 mW 0.0 pkts/sNetwork interface: eth0 (e1000e)
130 mW 0.1%CPU use
0 mW 0.0%USB device: UHCI Host Controller
0 mW 0.0 pkts/sNetwork interface: wlan0 (iwlagn)
0 mW 0.0%Thinkpad light
0 mW 0.0%Radio device: iwlagn
0 mW 0.0%Audio codec hwC0D0: Conexant
0 mW 0.0%USB device: UHCI Host Controller
0 mW 0.0%USB device: UHCI Host Controller
0 mW 0.0%USB device: UHCI Host Controller
0 mW 0.0%USB device: UHCI Host Controller
0 mW 0.0%USB device: UHCI Host Controller
0 mW 0.0%USB device: EHCI Host Controller
0 mW 0.0%USB device: EHCI Host Controller
100.0%PCI Device: Intel Corporation 82801I (ICH9 Family) PCI Express Port 1
100.0%PCI Device: Intel Corporation 82801I (ICH9 Family) PCI Express Port 4
100.0%PCI Device: Intel Corporation 82801I (ICH9 Family) PCI Express Port 2
100.0%PCI Device: Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection
100.0%PCI Device: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2
100.0%PCI Device: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3
100.0%PCI Device: Intel Corporation ICH9M/M-E SATA AHCI Controller
100.0%PCI Device: Intel Corporation 82801I (ICH9 Family) SMBus Controller
100.0%PCI Device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller
100.0%PCI Device: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5
100.0%PCI Device: Intel Corporation Mobile 4 Series Chipset AMT SOL Redirection
100.0%PCI Device: Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller
100.0%PCI Device: Intel Corporation Mobile 4 Series Chipset Memory Controller Hub
0.0%PCI Device: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2
0.0%PCI Device: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6
0.0%PCI Device: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1
0.0%PCI Device: Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4
0.0%PCI Device: Intel Corporation 82567LM Gigabit Network Connection
0.0%PCI Device: Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1

Untunable software issues

PCI Device Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller has no runtime power management
PCI Device Intel Corporation Mobile 4 Series Chipset MEI Controller has no runtime power management
PCI Device Intel Corporation 82801 Mobile PCI Bridge has no runtime power management
PCI Device Intel Corporation ICH9M-E LPC Interface Controller has no runtime power management

Optimal tuned software settings

Wireless Power Saving for interface wlan0
Enable SATA link power management for /dev/sda
NMI watchdog should be turned off
Power Aware CPU scheduler
VM writeback timeout
Enable Audio codec power management
Autosuspend for USB device UHCI Host Controller [usb5]
Autosuspend for USB device UHCI Host Controller [usb6]
Autosuspend for USB device EHCI Host Controller [usb1]
Autosuspend for USB device EHCI Host Controller [usb2]
Autosuspend for USB device UHCI Host Controller [usb3]
Autosuspend for USB device UHCI Host Controller [usb7]
Autosuspend for USB device UHCI Host Controller [usb4]
Autosuspend for USB device UHCI Host Controller [usb8]
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) PCI Express Port 2
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #3
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) HD Audio Controller
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #2
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #6
Runtime PM for PCI Device Intel Corporation 82567LM Gigabit Network Connection
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #2
Runtime PM for PCI Device Intel Corporation Mobile 4 Series Chipset AMT SOL Redirection
Runtime PM for PCI Device Intel Corporation Mobile 4 Series Chipset Integrated Graphics Controller
Runtime PM for PCI Device Intel Corporation Mobile 4 Series Chipset Memory Controller Hub
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) PCI Express Port 1
Runtime PM for PCI Device Intel Corporation PRO/Wireless 5100 AGN [Shiloh] Network Connection
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) SMBus Controller
Runtime PM for PCI Device Intel Corporation ICH9M/M-E SATA AHCI Controller
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #4
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) USB2 EHCI Controller #1
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #1
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) USB UHCI Controller #5
Runtime PM for PCI Device Intel Corporation 82801I (ICH9 Family) PCI Express Port 4
Wake-on-lan status for device eth0
Wake-on-lan status for device wlan0
Using 'ondemand' cpufreq governor