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

467,1 wakeups/second, 1,2 GPU ops/second, 0,0 VFS ops/sec, 4,2 GFX wakes/sec and 3,3% CPU use

Power est. Usage Events/s Category Description
2.00 W 5,0% Device Display backlight
1.10 W 1,3% 181,1 Process /usr/lib/firefox/firefox
1.02 W 1,3% 166,7 Process /usr/lib/firefox/firefox -ProfileManager -P Klinik - Zotero -no-remote
1.00 W 100,0% Device Radio device: btusb
237 mW 0,1% 38,9 Interrupt [60] i915
153 mW 0,1% 25,0 Timer hrtimer_wakeup
81.4 mW 0,1% 14,4 Process compiz
37.8 mW 0,0% 6,2 Process [rcu_sched]
32.6 mW 0,0% 5,4 Process powerstat -d1 3 3000
22.3 mW 0,0% 3,9 Process /usr/bin/python /usr/bin/guake
21.7 mW 0,0% 3,6 Timer tick_sched_timer

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 0,3% 0,6 ms 0,0% 0,0 ms
C2 (pc2) 28,7%    
C3 (pc3) 1,2%   C3 (cc3) 0,2%   C3-HSW 0,1% 0,7 ms 0,1% 0,1 ms
C6 (pc6) 0,1%   C6 (cc6) 0,2%   C6-HSW 0,1% 1,6 ms 0,1% 0,9 ms
C7 (pc7) 63,9%   C7 (cc7) 96,4%   C7s-HSW 1,8% 6,9 ms 0,1% 1,0 ms
C8 (pc8) 0,0%     C8-HSW 2,1% 2,2 ms 1,0% 2,7 ms
C9 (pc9) 0,0%     C9-HSW 32,4% 6,9 ms 48,1% 5,7 ms
C10 (pc10) 0,0%     C10-HSW 61,9% 12,6 ms 49,3% 11,9 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 0,1% 2,1 ms 0,1% 1,2 ms
     
    C3 (cc3) 0,8%   C3-HSW 0,7% 1,0 ms 0,2% 1,3 ms
    C6 (cc6) 0,0%   C6-HSW 0,0% 0,4 ms 0,0% 0,3 ms
    C7 (cc7) 96,5%   C7s-HSW 0,4% 1,2 ms 0,2% 1,3 ms
      C8-HSW 6,5% 2,1 ms 0,2% 2,2 ms
      C9-HSW 39,8% 5,6 ms 29,2% 8,8 ms
      C10-HSW 51,3% 13,0 ms 69,1% 20,4 ms
    GPU 0  
     
    Powered On 1,1%  
    RC6 98,9%  
    RC6p 0,0%  
    RC6pp 0,0%  
     
     
     
     
     

Processor Frequency Report

Package 0   Core 0   CPU 0 CPU 1
    Actual 3,2 GHz 3,2 GHz
Idle 100,0%   Idle 100,0%   Idle 100,0% 100,0%
    Core 1   CPU 2 CPU 3
      Actual 3,2 GHz 3,2 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
1.10 W 13,1 ms/s 181,1 0,1 Process /usr/lib/firefox/firefox
1.02 W 13,4 ms/s 166,7 0,1 Process /usr/lib/firefox/firefox -ProfileManager -P Klinik - Zotero -no-remote
237 mW 0,8 ms/s 38,9 Interrupt [60] i915
153 mW 0,9 ms/s 25,0 Timer hrtimer_wakeup
81.4 mW 1,3 ms/s 13,4 1,0 3,2 Process compiz
37.8 mW 32,4 us/s 6,2 Process [rcu_sched]
32.6 mW 174,8 us/s 5,4 Process powerstat -d1 3 3000
22.3 mW 296,6 us/s 3,7 0,2 0,9 Process /usr/bin/python /usr/bin/guake
21.7 mW 73,0 us/s 3,6 Timer tick_sched_timer
21.4 mW 213,1 us/s 3,5 Interrupt [9] acpi
14.6 mW 125,2 us/s 2,4 Process [irq/62-iwlwifi]
7.02 mW 56,6 us/s 1,2 Process /usr/lib/upower/upowerd
6.71 mW 172,1 us/s 1,1 Process /usr/lib/unity/unity-panel-service
6.41 mW 339,9 us/s 1,1 Process /usr/bin/owncloud
6.10 mW 483,3 us/s 1,0 Process /usr/bin/X -core :0 -seat seat0 -auth /var/run/lightdm/root/:0 -nolisten tcp vt7 -novtswitch
6.10 mW 5,5 us/s 1,0 kWork intel_unpin_work_fn
5.80 mW 87,6 us/s 1,0 kWork intel_fbc_work_fn
5.80 mW 1,4 us/s 1,0 kWork gen6_force_wake_work
4.58 mW 98,0 us/s 0,8 Process /usr/lib/x86_64-linux-gnu/indicator-datetime/indicator-datetime-service
3.97 mW 71,3 us/s 0,7 Process /usr/lib/evolution/evolution-calendar-factory
3.66 mW 53,8 us/s 0,6 Process /usr/lib/x86_64-linux-gnu/indicator-power/indicator-power-service
3.66 mW 10,6 us/s 0,6 Interrupt [4] block(softirq)
3.36 mW 25,1 us/s 0,6 Process pool
3.05 mW 1,1 us/s 0,5 kWork mei_timer
2.75 mW 34,0 us/s 0,5 Process NetworkManager
2.14 mW 33,1 us/s 0,4 Process /usr/lib/unity-settings-daemon/unity-settings-daemon
2.14 mW 3,7 us/s 0,4 kWork i915_gem_retire_work_handler
2.14 mW 1,9 us/s 0,4 kWork flush_to_ldisc
1.83 mW 0,3 us/s 0,3 kWork blk_delay_work
1.53 mW 31,5 us/s 0,25 Process smbd
1.53 mW 9,7 us/s 0,25 Process /usr/bin/unity-scope-loader applications/applications.scope applications/scopes.scope commands.scope
1.53 mW 7,9 us/s 0,25 Process /usr/lib/x86_64-linux-gnu/zeitgeist-fts
1.53 mW 7,1 us/s 0,25 Process zeitgeist-datahub
1.53 mW 6,6 us/s 0,25 Process nautilus -n
1.53 mW 0,6 us/s 0,25 kWork i915_gem_idle_work_handler
1.22 mW 33,4 us/s 0,20 Process /usr/sbin/irqbalance
1.22 mW 30,1 us/s 0,20 Process smbd -F
1.22 mW 11,2 us/s 0,20 Process upstart-dbus-bridge --daemon --session --user --bus-name session
1.22 mW 7,6 us/s 0,20 Process [jbd2/dm-1-8]
1.22 mW 6,9 us/s 0,20 Process /usr/lib/x86_64-linux-gnu/indicator-messages/indicator-messages-service
1.22 mW 6,1 us/s 0,20 Process update-notifier
1.22 mW 0,3 us/s 0,20 kWork ieee80211_dynamic_ps_enable_wor
915 uW 10,2 us/s 0,15 Process /usr/bin/gnome-screensaver --no-daemon
915 uW 8,6 us/s 0,15 Process upstart-dbus-bridge --daemon --system --user --bus-name system
915 uW 4,9 us/s 0,15 Process /sbin/wpa_supplicant -B -P /run/sendsigs.omit.d/wpasupplicant.pid -u -s -O /var/run/wpa_supplicant
915 uW 4,2 us/s 0,15 Process /usr/lib/rtkit/rtkit-daemon
915 uW 0,8 us/s 0,15 kWork ieee80211_iface_work
915 uW 0,5 us/s 0,15 kWork iwl_mvm_async_handlers_wk
610 uW 15,9 us/s 0,10 Process [rcuos/1]
610 uW 15,0 us/s 0,10 Process nm-applet
610 uW 13,6 us/s 0,10 kWork kcryptd_crypt
610 uW 5,2 us/s 0,10 Interrupt [62] iwlwifi
610 uW 3,7 us/s 0,10 Process nmbd -D
610 uW 1,2 us/s 0,10 Process [khugepaged]
610 uW 0,3 us/s 0,10 kWork dm_wq_work
305 uW 10,6 us/s 0,05 Process indicator-datet
305 uW 3,8 us/s 0,05 kWork bdi_writeback_workfn
305 uW 2,0 us/s 0,05 Process cron
305 uW 1,6 us/s 0,05 Process /usr/lib/x86_64-linux-gnu/gconf/gconfd-2
305 uW 1,1 us/s 0,05 Process /usr/sbin/winbindd -F
305 uW 0,2 us/s 0,05 kWork neigh_periodic_work
0 mW 260,8 us/s Process powertop --html
0 mW 52,8 us/s Process dbus-daemon --fork --session --address=unix:abstract=/tmp/dbus-dMVMmRjNH0
0 mW 49,1 us/s Interrupt [7] sched(softirq)
0 mW 48,8 us/s Interrupt [1] timer(softirq)
0 mW 42,5 us/s Process dbus-daemon --system --fork
0 mW 27,3 us/s Process [rcuos/0]
0 mW 25,0 us/s Timer delayed_work_timer_fn
0 mW 24,7 us/s Timer intel_pstate_timer_func
0 mW 16,3 us/s Timer i915_hangcheck_elapsed
0 mW 12,2 us/s Process [kworker/u16:68]
0 mW 10,1 us/s Process [kworker/u16:2]
0 mW 10,0 us/s Process [kworker/0:0]
0 mW 8,7 us/s Process [rcuos/2]
0 mW 8,6 us/s Process [kworker/3:0]
0 mW 8,5 us/s kWork vmstat_update
0 mW 7,9 us/s Timer process_timeout
0 mW 7,0 us/s Timer clocksource_watchdog
0 mW 7,0 us/s Process evolution-calen
0 mW 6,7 us/s Interrupt [58] SATA controller
0 mW 4,9 us/s Interrupt [9] RCU(softirq)
0 mW 4,2 us/s Process [rcuos/3]
0 mW 3,8 us/s Process [kworker/2:1]
0 mW 3,8 us/s Process [kworker/1:2]
0 mW 1,4 us/s Process [kworker/u17:0]
0 mW 1,2 us/s Timer ieee80211_dynamic_ps_timer
0 mW 1,2 us/s Timer sched_rt_period_timer
0 mW 0,5 us/s Interrupt [8] hrtimer(softirq)
0 mW 0,4 us/s Process [ksoftirqd/1]
0 mW 0,4 us/s Timer commit_timeout
0 mW 0,2 us/s Interrupt [6] tasklet(softirq)
0 mW 0,2 us/s Timer vblank_disable_fn
0 mW 0,2 us/s Process [ksoftirqd/0]
0 mW 0,2 us/s Process [ksoftirqd/3]
0 mW 0,2 us/s Timer writeout_period
0 mW 0,1 us/s Timer tcp_delack_timer
0 mW 0,1 us/s Timer addrconf_verify
0 mW 0,1 us/s Timer tcp_write_timer

Device Power Report

The battery reports a discharge rate of 4.05 W

System baseline power is estimated at 5.86 W

Power est. Usage Device name
1.61 W 3,3% CPU misc
1.13 W 3,3% DRAM
1.00 W 100,0% Radio device: btusb
1.00 W 5,0% Display backlight
1.00 W 1,1% Display backlight
110 mW 3,3% CPU core
9.69 mW 1,2 ops/s GPU core
0 mW 100,0% Radio device: iwlwifi
0 mW 100,0% Radio device: thinkpad_acpi
0 mW 1,6 pkts/s Network interface: wlan0 (iwlwifi)
0 mW 1,2 ops/s GPU 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 rpm Laptop fan
0 mW 0,0% USB device: usb-device-8087-8000
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 Lynx Point-LP HECI KT
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 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 Ethernet Connection I218-LM
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/event9
wpa_supplicant /dev/rfkill
acpid /dev/input/event0
/dev/input/event1
/dev/input/event10
/dev/input/event11
/dev/input/event2
/dev/input/event3
/dev/input/event4
/dev/input/event5
/dev/input/event6
/dev/input/event7
/dev/input/event9
Xorg /dev/dri/card0
/dev/input/event1
/dev/input/event12
/dev/input/event13
/dev/input/event2
/dev/input/event3
/dev/input/event4
/dev/input/event8
/dev/input/event9
/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
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