System Information

PowerTOP Version v2.5
Kernel Version Linux version 3.14.0-031400rc6-generic (apw@gomeisa) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #201403100035 SMP Mon Mar 10 04:36:54 UTC 2014
System Name LENOVO 20ARS0BH00 ThinkPad T440s
CPU Information 4x Intel(R) Core(TM) i7-4600U CPU @ 2.10GHz
OS Information Ubuntu Trusty Tahr (development branch)

Power Consumption Summary

96,8 wakeups/second, 1,1 GPU ops/second, 0,0 VFS ops/sec, 3,9 GFX wakes/sec and 0,5% CPU use

Power est. Usage Events/s Category Description
2.00 W 35,0% Device Display backlight
8.50 mW 0,1% 14,2 Process compiz
2.00 mW 0,0% 4,3 Process /usr/bin/python /usr/bin/guake
0 mW 0,1% 42,4 Interrupt [60] i915
0 mW 0,0% 0,9 Process /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
0 mW 0,0% 5,3 Interrupt [9] acpi
0 mW 0,0% 8,8 Process powerstat -d1 3 3000
0 mW 0,0% 0,8 Process /usr/bin/owncloud
0 mW 0,0% 0,5 kWork e1000_watchdog_task
0 mW 0,0% 2,9 Timer hrtimer_wakeup
0 mW 0,0% 0,9 kWork intel_fbc_work_fn

Processor Idle state report

Package 0   Core 0   CPU 0 CPU 1
    C0 active 0,0%   0,0%  
    POLL 0,0% 0,0 ms 0,0% 0,0 ms
    C1E-HSW 0,0% 0,3 ms 0,5% 0,5 ms
C2 (pc2) 25,7%    
C3 (pc3) 0,3%   C3 (cc3) 0,1%   C3-HSW 0,0% 0,1 ms 0,1% 0,8 ms
C6 (pc6) 0,0%   C6 (cc6) 0,0%   C6-HSW 0,0% 1,0 ms 0,0% 0,6 ms
C7 (pc7) 63,6%   C7 (cc7) 90,4%   C7s-HSW 2,0% 40,4 ms 0,0% 0,9 ms
C8 (pc8) 0,0%     C8-HSW 0,1% 1,5 ms 0,1% 1,7 ms
C9 (pc9) 0,0%     C9-HSW 2,6% 13,1 ms 5,9% 11,0 ms
C10 (pc10) 0,0%     C10-HSW 95,1% 88,5 ms 84,7% 19,1 ms
    Core 1   CPU 2 CPU 3
      C0 active 0,0%   0,0%  
      POLL 0,0% 0,0 ms 0,0% 0,0 ms
      C1E-HSW 0,0% 0,4 ms 0,0% 0,4 ms
     
    C3 (cc3) 0,1%   C3-HSW 0,1% 0,7 ms 0,0% 1,9 ms
    C6 (cc6) 0,0%   C6-HSW 0,0% 1,5 ms 0,0% 0,0 ms
    C7 (cc7) 99,7%   C7s-HSW 1,0% 19,4 ms 0,0% 1,9 ms
      C8-HSW 0,0% 1,9 ms 1,9% 37,6 ms
      C9-HSW 0,8% 4,8 ms 0,4% 9,8 ms
      C10-HSW 98,0% 94,2 ms 97,6% 253,5 ms
    GPU 0  
     
    Powered On 1,0%  
    RC6 99,0%  
    RC6p 0,0%  
    RC6pp 0,0%  
     
     
     
     
     

Processor Frequency Report

Package 0   Core 0   CPU 0 CPU 1
    Actual 2,1 GHz 2,1 GHz
Idle 100,0%   Idle 100,0%   Idle 100,0% 100,0%
    Core 1   CPU 2 CPU 3
      Actual 2,1 GHz 2,1 GHz
    Idle 100,0%   Idle 100,0% 100,0%

Overview of Software Power Consumers

Power est. Usage Wakeups/s GPU ops/s Disk IO/s GFX Wakeups/s Category Description
8.50 mW 1,1 ms/s 13,3 0,9 2,8 Process compiz
2.00 mW 317,5 us/s 4,1 0,2 1,2 Process /usr/bin/python /usr/bin/guake
0 mW 0,8 ms/s 42,4 Interrupt [60] i915
0 mW 430,2 us/s 0,9 Process /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
0 mW 309,6 us/s 5,3 Interrupt [9] acpi
0 mW 259,9 us/s 8,8 Process powerstat -d1 3 3000
0 mW 243,9 us/s 0,8 Process /usr/bin/owncloud
0 mW 212,5 us/s 0,5 kWork e1000_watchdog_task
0 mW 91,2 us/s 2,9 Timer hrtimer_wakeup
0 mW 84,9 us/s 0,9 kWork intel_fbc_work_fn
0 mW 59,1 us/s 3,0 Timer tick_sched_timer
0 mW 57,1 us/s 0,6 Process /usr/bin/ibus-daemon --daemonize --xim
0 mW 47,7 us/s 1,8 Process [irq/64-iwlwifi]
0 mW 45,0 us/s 0,5 Process NetworkManager
0 mW 42,0 us/s 0,20 Process /usr/sbin/irqbalance
0 mW 33,5 us/s 0,05 Interrupt [1] timer(softirq)
0 mW 32,1 us/s Interrupt [7] sched(softirq)
0 mW 27,7 us/s Timer delayed_work_timer_fn
0 mW 22,6 us/s Process [kworker/u16:0]
0 mW 22,0 us/s 4,2 Process [rcu_sched]
0 mW 21,6 us/s 0,10 Process [rcuos/1]
0 mW 19,5 us/s 0,10 Process nm-applet
0 mW 18,4 us/s 0,05 Process /usr/sbin/kerneloops
0 mW 17,0 us/s Process dbus-daemon --system --fork
0 mW 15,2 us/s Timer intel_pstate_timer_func
0 mW 12,4 us/s 0,25 Process zeitgeist-datahub
0 mW 11,4 us/s kWork vmstat_update
0 mW 11,0 us/s Timer i915_hangcheck_elapsed
0 mW 10,6 us/s Process [kworker/1:2]
0 mW 10,2 us/s 0,25 Process /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
0 mW 9,7 us/s Process [rcuos/0]
0 mW 9,4 us/s 0,25 Process /usr/lib/x86_64-linux-gnu/zeitgeist-fts
0 mW 9,2 us/s 0,25 Process /usr/lib/x86_64-linux-gnu/indicator-messages/indicator-messages-service
0 mW 9,1 us/s 0,15 Process nmbd -D
0 mW 8,9 us/s Process [kworker/3:0]
0 mW 8,7 us/s Process [kworker/0:0]
0 mW 8,0 us/s 0,20 Process [jbd2/dm-1-8]
0 mW 7,3 us/s Timer clocksource_watchdog
0 mW 6,7 us/s Process [kworker/2:0]
0 mW 6,3 us/s 0,10 Interrupt [4] block(softirq)
0 mW 6,2 us/s Process upstart-dbus-bridge --daemon --system --user --bus-name system
0 mW 5,5 us/s Timer process_timeout
0 mW 5,4 us/s 0,9 kWork intel_unpin_work_fn
0 mW 5,4 us/s 0,05 Process [rcuos/2]
0 mW 5,0 us/s 0,05 kWork kcryptd_crypt
0 mW 4,6 us/s 0,20 Process /usr/lib/rtkit/rtkit-daemon
0 mW 4,5 us/s Interrupt [9] RCU(softirq)
0 mW 4,3 us/s 0,3 Interrupt [64] iwlwifi
0 mW 3,1 us/s 0,10 Process /sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid -u -s -O /var/run/wpa_supplicant
0 mW 3,0 us/s 0,20 kWork i915_gem_retire_work_handler
0 mW 2,5 us/s 0,3 Interrupt [3] net_rx(softirq)
0 mW 2,3 us/s 0,15 Timer sched_rt_period_timer
0 mW 2,0 us/s Interrupt [59] SATA controller
0 mW 1,7 us/s Interrupt [57] eth0
0 mW 1,7 us/s 0,9 kWork gen6_force_wake_work
0 mW 1,7 us/s Timer ieee80211_dynamic_ps_timer
0 mW 1,5 us/s 0,3 kWork flush_to_ldisc
0 mW 1,3 us/s 0,20 kWork ieee80211_iface_work
0 mW 1,3 us/s 0,10 Process [khugepaged]
0 mW 1,2 us/s Process [kworker/u17:2]
0 mW 1,1 us/s Timer e1000_watchdog
0 mW 1,1 us/s 0,5 kWork mei_timer
0 mW 0,8 us/s Process [rcuos/3]
0 mW 0,7 us/s 0,20 kWork iwl_mvm_async_handlers_wk
0 mW 0,6 us/s Timer writeout_period
0 mW 0,5 us/s Process [kworker/u16:2]
0 mW 0,5 us/s 0,15 kWork i915_gem_idle_work_handler
0 mW 0,4 us/s 0,05 kWork dm_wq_work
0 mW 0,3 us/s 0,25 kWork ieee80211_dynamic_ps_enable_wor0
0 mW 0,3 us/s Timer vblank_disable_fn
0 mW 0,2 us/s 0,10 kWork neigh_periodic_work
0 mW 0,2 us/s 0,15 kWork blk_delay_work
0 mW 0,2 us/s Timer inet_twdr_hangman
0 mW 0,2 us/s Timer commit_timeout
0 mW 0,1 us/s Interrupt [6] tasklet(softirq)
0 mW 0,1 us/s Timer laptop_mode_timer_fn
0 mW 0,1 us/s Timer tcp_delack_timer

Device Power Report

The battery reports a discharge rate of 4.55 W

System baseline power is estimated at 3.13 W

Power est. Usage Device name
1.10 W 0,5% DRAM
1.00 W 35,0% Display backlight
1.00 W 5,3% Display backlight
22.6 mW 0,5% CPU core
5.88 mW 1,1 ops/s GPU core
4.62 mW 1,1 ops/s GPU misc
0 mW 100,0% Radio device: btusb
0 mW 100,0% Radio device: iwlwifi
0 mW 100,0% Radio device: thinkpad_acpi
0 mW 0,7 pkts/s Network interface: wlan0 (iwlwifi)
0 mW 0,5% CPU misc
0 mW 0,0% Audio codec hwC0D0: Intel
0 mW 0,0% USB device: xHCI Host Controller
0 mW 0,0% USB device: EHCI Host Controller
0 mW 0,0% USB device: Integrated Camera (J30DAT4XJ)
0 mW 0,0% USB device: usb-device-8087-8000
0 mW 0,0 rpm Laptop fan
0 mW 0,0 pkts/s Network interface: eth0 (e1000e)
0 mW 0,0% USB device: xHCI Host Controller
0 mW 0,0% USB device: usb-device-8087-07dc
100,0% PCI Device: Intel Corporation Ethernet Connection I218-LM
100,0% PCI Device: Intel Corporation Haswell-ULT Integrated Graphics Controller
100,0% PCI Device: Intel Corporation Lynx Point-LP HECI #0
100,0% PCI Device: Intel Corporation Lynx Point-LP HECI KT
100,0% PCI Device: Intel Corporation Lynx Point-LP PCI Express Root Port 6
100,0% PCI Device: Intel Corporation Lynx Point-LP PCI Express Root Port 3
100,0% PCI Device: Intel Corporation Lynx Point-LP LPC Controller
100,0% PCI Device: Intel Corporation Lynx Point-LP SATA Controller 1 [AHCI mode]
100,0% PCI Device: Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader
100,0% PCI Device: Intel Corporation Wireless 7260
0,0% PCI Device: Intel Corporation Lynx Point-LP HD Audio Controller
0,0% PCI Device: Intel Corporation Lynx Point-LP USB xHCI HC
0,0% PCI Device: Intel Corporation Lynx Point-LP USB EHCI #1
0,0% PCI Device: Intel Corporation Haswell-ULT HD Audio Controller
0,0% PCI Device: Intel Corporation Lynx Point-LP SMBus Controller
0,0% PCI Device: Intel Corporation Haswell-ULT DRAM Controller
0,0% Thinkpad light

Process device activity

Process Device
bluetoothd /dev/rfkill
systemd-logind /dev/input/event0
/dev/input/event1
/dev/input/event2
/dev/input/event4
/dev/input/event5
wpa_supplicant /dev/rfkill
acpid /dev/input/event0
/dev/input/event1
/dev/input/event10
/dev/input/event2
/dev/input/event3
/dev/input/event4
/dev/input/event5
/dev/input/event6
/dev/input/event7
/dev/input/event8
/dev/input/event9
Xorg /dev/dri/card0
/dev/input/event1
/dev/input/event11
/dev/input/event12
/dev/input/event13
/dev/input/event2
/dev/input/event3
/dev/input/event4
/dev/input/event5
/dev/vga_arbiter
gvfsd-fuse /dev/fuse
upowerd /dev/cpu_dma_latency
/dev/input/event0
/dev/network_latency
pulseaudio /dev/snd/controlC0
/dev/snd/controlC0
/dev/snd/controlC1
/dev/snd/controlC1
/dev/snd/controlC1
systemd-localed /dev/kmsg
compiz /dev/dri/card0

Software Settings in need of Tuning

Description Script
Using 'ondemand' cpufreq governor /sbin/modprobe cpufreq_ondemand > /dev/null 2>&1 echo 'ondemand' > '/sys/devices/system/cpu/cpu0/cpufreq/scaling_governor'; echo 'ondemand' > '/sys/devices/system/cpu/cpu1/cpufreq/scaling_governor'; echo 'ondemand' > '/sys/devices/system/cpu/cpu2/cpufreq/scaling_governor'; echo 'ondemand' > '/sys/devices/system/cpu/cpu3/cpufreq/scaling_governor';

Optimal Tuned Software Settings

Description
Wireless Power Saving for interface wlan0
NMI watchdog should be turned off
Bluetooth device interface status
Enable SATA link power Managmenet for host1
Enable SATA link power Managmenet for host2
Enable Audio codec power management
VM writeback timeout
Enable SATA link power Managmenet for host0
Autosuspend for unknown USB device 1-1 (8087:8000)
Autosuspend for unknown USB device 2-7 (8087:07dc)
Autosuspend for USB device xHCI Host Controller [usb2]
Autosuspend for USB device EHCI Host Controller [usb1]
Autosuspend for USB device Integrated Camera [J30DAT4XJ]
Autosuspend for USB device xHCI Host Controller [usb3]
Runtime PM for PCI Device Intel Corporation Wireless 7260
Runtime PM for PCI Device Intel Corporation Haswell-ULT DRAM Controller
Runtime PM for PCI Device Intel Corporation Haswell-ULT HD Audio Controller
Runtime PM for PCI Device Intel Corporation Haswell-ULT Integrated Graphics Controller
Runtime PM for PCI Device Intel Corporation Lynx Point-LP USB xHCI HC
Runtime PM for PCI Device Intel Corporation Lynx Point-LP HECI #0
Runtime PM for PCI Device Intel Corporation Lynx Point-LP HECI KT
Runtime PM for PCI Device Intel Corporation Ethernet Connection I218-LM
Runtime PM for PCI Device Intel Corporation Lynx Point-LP HD Audio Controller
Runtime PM for PCI Device Intel Corporation Lynx Point-LP PCI Express Root Port 6
Runtime PM for PCI Device Intel Corporation Lynx Point-LP PCI Express Root Port 3
Runtime PM for PCI Device Intel Corporation Lynx Point-LP LPC Controller
Runtime PM for PCI Device Intel Corporation Lynx Point-LP SATA Controller 1 [AHCI mode]
Runtime PM for PCI Device Intel Corporation Lynx Point-LP SMBus Controller
Runtime PM for PCI Device Realtek Semiconductor Co., Ltd. RTS5227 PCI Express Card Reader
Runtime PM for PCI Device Intel Corporation Lynx Point-LP USB EHCI #1
Wake-on-lan status for device wlan0
Wake-on-lan status for device eth0