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[Launchpad Bug Tracker <1158668@xxxxxxxxxxxxxxxxxx>]

This bug was fixed in the package linux - 3.11.0-3.6

---------------
linux (3.11.0-3.6) saucy; urgency=low

  [ Andy Whitcroft ]

  * [Packaging] tools: conditionalise x86 and hyper-v tools sensibly
  * [Config] tools: enable x86 and hyper-v

  [ John Johansen ]

  * Revert "SAUCE: (no-up) apparmor: Sync to apparmor 3 dev stable
    snapshot"
  * Revert "SAUCE: (no-up) apparmor: fix apparmor module status for none
    root users"
  * SAUCE: (no-up) apparmor: Sync to apparmor 3 - alpha 4 snapshot

  [ Joseph Salisbury ]

  * SAUCE: (no-up) intel_ips: blacklist ASUSTek G60JX laptops
    - LP: #1210848

  [ Kamal Mostafa ]

  * [debian] tools: ship 'cpupower' in linux-tools
    - LP: #1158668
  * [Config] Build-dep on libpci-dev for cpu tools
    - LP: #1158668

  [ Tim Gardner ]

  * rebase to v3.11-rc6
  * Release tracker
    - LP: #1213941
 -- Tim Gardner <tim.gardner@xxxxxxxxxxxxx>   Fri, 16 Aug 2013 07:02:07 -0600

** Changed in: linux (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1158668

Title:
  Build cpupower from kernel tools

Status in “linux” package in Ubuntu:
  Fix Released

Bug description:
  Ubuntu supplies the cpufrequtils package, which has been rendered
  obsolete by cpupower. It is included in the kernel source as of
  linux-3.1 [2], located at tools/power/cpupower/.

  I don't think that it is explicitly tied to a particular kernel
  version, so it may be best built separately from the kernel packages.
  There is no consensus among other distributions: Fedora includes it in
  their kernel-tools package; SuSE and RHEL pull from the git repo and
  build as a separate cpupower or cpupowerutils package (similar to how
  cpufrequtils was done); Arch takes it from the kernel source and
  builds it along with other tools into separate packages.

  cpupower provides a number of things that cpufrequtils does not, and
  is invaluable in a server environment for tuning of power management.
  Of particular note is the ability to set perf_bias on Intel
  processors; I am not aware of another tool that can do this. It is
  also the focus of power utility development, and should be available
  on Ubuntu systems.

  [1] http://lwn.net/Articles/433002/
  [2] http://kernelnewbies.org/Linux_3.1#head-92f86d42a205e6c53d4bf6912a0dfa755f4c01f6

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