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[Shevek <1535426@xxxxxxxxxxxxxxxxxx>]

This is powertop.

Power est.              Usage       Events/s    Category       Description
  8.11 W    100.0%                      Device         Radio device: thinkpad_acpi
  382 mW      2.6 ms/s      55.3        Process        xfwm4 --replace --display :0.0 --sm-client-id 2fcff95f2-164a-40f4-87bf-49f188175134
  207 mW    100.0%                      Device         USB device: usb-device-138a-0017
  194 mW     17.1 ms/s      78.0        Process        /usr/lib/x86_64-linux-gnu/xfce4/panel/wrapper-2.0 /usr/lib/x86_64-linux-gnu/xfce4/pa
  177 mW     15.6 ms/s      57.0        Process        python3 /opt/scudcloud/scudcloud
  167 mW    100.0%                      Device         USB device: MultiTouch Sensor   (Wacom Co.,Ltd.      )
  165 mW     11.4 ms/s      60.2        Process        /usr/lib/x86_64-linux-gnu/indicator-application/indicator-application-service
  159 mW     13.6 ms/s      33.7        Process        /usr/lib/firefox/firefox

The unnamed usb device is the fingerprint reader, which I am not using
and do not have a driver for. Soft-blocking wifi and/or bluetooth does
not reduce the 8.11W used by thinkpad_acpi, and anyway, i'm somewhat
suspicious of that assignment of power consumption.

This is cpupower monitor:
    |Nehalem                    || Mperf              || Idle_Stats                                                   
CPU | C3   | C6   | PC3  | PC6  || C0   | Cx   | Freq || POLL | C1-B | C1E- | C3-B | C6-B | C7s- | C8-B | C9-B | C10- 
   0|  1.13|  1.22|  0.00|  0.00||  8.71| 91.29|   884||  0.00|  0.60|  0.52|  1.03|  0.79|  4.49| 12.19| 55.25| 16.50
   1|  1.13|  1.22|  0.00|  0.00||  7.36| 92.64|   864||  0.00|  0.13|  3.04|  0.51|  0.65|  1.91| 17.36| 43.86| 25.20
   2|  0.34|  1.07|  0.00|  0.00||  6.53| 93.47|   885||  0.00|  0.04|  0.54|  0.58|  1.18|  1.85|  6.01| 59.26| 24.08
   3|  0.34|  1.07|  0.00|  0.00||  4.92| 95.08|   871||  0.00|  0.06|  1.93|  0.08|  0.05|  0.99|  6.44| 69.57| 16.00

I don't know how to parse this.

-- 
You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux in Ubuntu.
https://bugs.launchpad.net/bugs/1535426

Title:
  CPU runs at high speed after upgrade

Status in linux package in Ubuntu:
  Confirmed

Bug description:
  After a dist-upgrade from 15.04 to 15.10, moving from kernel 3.19.0-43
  to 4.2.0-23, my laptop CPU runs continuously at 3GHz, and never slows
  down to 800MHz, as it used to. This has reduced my battery life from
  24 hours to 8 hours.

  ProblemType: Bug
  DistroRelease: Ubuntu 15.10
  Package: linux-image-4.2.0-23-generic 4.2.0-23.28
  ProcVersionSignature: Ubuntu 4.2.0-23.28-generic 4.2.6
  Uname: Linux 4.2.0-23-generic x86_64
  ApportVersion: 2.19.1-0ubuntu5
  Architecture: amd64
  AudioDevicesInUse:
   USER        PID ACCESS COMMAND
   /dev/snd/controlC1:  shevek     2664 F.... pulseaudio
   /dev/snd/controlC0:  shevek     2664 F.... pulseaudio
  CurrentDesktop: XFCE
  Date: Mon Jan 18 11:38:29 2016
  HibernationDevice: RESUME=UUID=22fd2208-7557-432d-bbff-95dd97905323
  InstallationDate: Installed on 2015-05-18 (244 days ago)
  InstallationMedia: Xubuntu 15.04 "Vivid Vervet" - Release amd64 (20150422.1)
  MachineType: LENOVO 20CKCT01WW
  ProcFB: 0 inteldrmfb
  ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.2.0-23-generic.efi.signed root=/dev/mapper/xubuntu--vg-root ro noprompt persistent quiet splash vt.handoff=7
  RelatedPackageVersions:
   linux-restricted-modules-4.2.0-23-generic N/A
   linux-backports-modules-4.2.0-23-generic  N/A
   linux-firmware                            1.149.3
  SourcePackage: linux
  UdevLog: Error: [Errno 2] No such file or directory: '/var/log/udev'
  UpgradeStatus: Upgraded to wily on 2016-01-17 (1 days ago)
  dmi.bios.date: 08/20/2015
  dmi.bios.vendor: LENOVO
  dmi.bios.version: N11ET34W (1.10 )
  dmi.board.asset.tag: Not Available
  dmi.board.name: 20CKCT01WW
  dmi.board.vendor: LENOVO
  dmi.board.version: 0B98417 WIN
  dmi.chassis.asset.tag: No Asset Information
  dmi.chassis.type: 10
  dmi.chassis.vendor: LENOVO
  dmi.chassis.version: None
  dmi.modalias: dmi:bvnLENOVO:bvrN11ET34W(1.10):bd08/20/2015:svnLENOVO:pn20CKCT01WW:pvrThinkPadT550:rvnLENOVO:rn20CKCT01WW:rvr0B98417WIN:cvnLENOVO:ct10:cvrNone:
  dmi.product.name: 20CKCT01WW
  dmi.product.version: ThinkPad T550
  dmi.sys.vendor: LENOVO

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