# PowerTOP report

## System information

PowerTOP version | 1.98 beta 1
Kernel version | Linux 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 name | LENOVO 7459H98 ThinkPad X200
CPU information | 2x Intel(R) Core(TM)2 Duo CPU P8600 @ 2.40GHz
OS information | Fedora release 16 (Verne)

## Power consumption summary

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

Power est. | Usage | Events/s | Category | Description
--- | --- | --- | --- | ---
3.77 W | 75.3% |  | Device | Display backlight
1.81 W | 2038 rpm |  | Device | Laptop fan
354 mW | 0.0 pkts/s |  | Device | Network interface: eth0 (e1000e)
84.5 mW | 28.5 us/s | 4.9 | kWork | fb_flashcursor
12.1 mW | 43.3 us/s | 0.7 | Timer | tick_sched_timer
7.78 mW | 11.7 us/s | 0.4 | Interrupt | [4] block(softirq)
3.48 mW | 0.0% | 0.20 | Process | sendmail: accepting connections
3.45 mW | 0.0% | 0.20 | Process | [ksoftirqd/1]
2.59 mW | 0.1 us/s | 0.15 | kWork | blk_delay_work
1.75 mW | 0.0% | 0.10 | Process | [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. | Usage | Wakeups/s | GPU ops/s | Disk IO/s | Category | Description
--- | --- | --- | --- | --- | --- | ---
84.5 mW | 28.5 us/s | 4.9 |  |  | kWork | fb_flashcursor
12.1 mW | 43.3 us/s | 0.7 |  |  | Timer | tick_sched_timer
7.78 mW | 11.7 us/s | 0.4 |  |  | Interrupt | [4] block(softirq)
3.48 mW | 21.9 us/s | 0.20 |  |  | Process | sendmail: accepting connections
3.45 mW | 4.3 us/s | 0.20 |  |  | Process | [ksoftirqd/1]
2.59 mW | 0.1 us/s | 0.15 |  |  | kWork | blk_delay_work
1.75 mW | 16.0 us/s | 0.10 |  |  | Process | [jbd2/dm-3-8]
1.73 mW | 4.8 us/s | 0.10 |  |  | Process | /usr/sbin/ntpd -n -u ntp:ntp -g
1.73 mW | 4.6 us/s | 0.10 |  |  | Process | [khugepaged]
1.73 mW | 2.6 us/s | 0.10 |  |  | Timer | hrtimer_wakeup
1.72 mW | 0.4 us/s | 0.10 |  |  | kWork | neigh_periodic_work
1.71 mW | 546.4 us/s | 0.05 |  |  | Process | powertop --html x200-powertop-init3.html
1.01 mW | 96.1 us/s | 0.05 |  |  | kWork | kcryptd_crypt
889 uW | 17.2 us/s | 0.05 |  |  | Interrupt | [7] sched(softirq)
864 uW | 1.4 us/s | 0.05 |  |  | Process | [flush-253:3]
864 uW | 1.3 us/s | 0.05 |  |  | Process | /sbin/audispd
863 uW | 0.7 us/s | 0.05 |  |  | Process | [sync_supers]
862 uW | 0.1 us/s | 0.05 |  |  | kWork | cfq_kick_queue
0 mW | 57.3 us/s |  |  |  | Interrupt | [1] timer(softirq)
0 mW | 43.6 us/s |  |  |  | Process | [kworker/1:1]
0 mW | 36.5 us/s |  |  |  | kWork | do_dbs_timer
0 mW | 27.7 us/s |  |  |  | Timer | delayed_work_timer_fn
0 mW | 25.0 us/s |  |  |  | Interrupt | [0] timer/0
0 mW | 23.3 us/s |  |  |  | Interrupt | [0] timer/1
0 mW | 16.0 us/s |  |  |  | Process | [migration/1]
0 mW | 9.8 us/s |  |  |  | Timer | cursor_timer_handler
0 mW | 7.3 us/s |  |  |  | Interrupt | [9] RCU(softirq)
0 mW | 4.6 us/s |  |  |  | Interrupt | [43] SATA controller
0 mW | 3.9 us/s |  |  |  | kWork | vmstat_update
0 mW | 3.6 us/s |  |  |  | Process | [migration/0]
0 mW | 2.8 us/s |  |  |  | Process | [kworker/0:1]
0 mW | 0.6 us/s |  |  |  | Timer | process_timeout
0 mW | 0.3 us/s |  |  |  | Timer | sync_supers_timer_fn
0 mW | 0.2 us/s |  |  |  | Timer | commit_timeout
0 mW | 0.2 us/s |  |  |  | Timer | cfq_idle_slice_timer
0 mW | 0.1 us/s |  |  |  | kWork | dm_wq_work
0 mW | 0.1 us/s |  |  |  | Timer | laptop_mode_timer_fn

## Process device activity

Process | Device
--- | ---
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. | Usage | Device name
--- | --- | ---
2.78 W | 86.7% | Display backlight
1.81 W | 2038 rpm | Laptop fan
985 mW | 75.3% | Display backlight
354 mW | 0.0 pkts/s | Network interface: eth0 (e1000e)
130 mW | 0.1% | CPU use
0 mW | 0.0% | USB device: UHCI Host Controller
0 mW | 0.0 pkts/s | Network 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