kernel-packages team mailing list archive

[Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>]

Marking this Fix Released for 15.10

** Information type changed from Proprietary to Public

** Also affects: linux (Ubuntu)
   Importance: Undecided
       Status: New

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

** Changed in: intel
       Status: New => Fix Released

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https://bugs.launchpad.net/bugs/1328016

Title:
  [Feature] Enable Intel® Cache Monitoring Technology

Status in intel:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released

Bug description:
  Intel® Cache Monitoring Technology  is a new CPU feature found in the
  Haswell Server family. It provides a mechanism for monitoring cache
  occupancy usage of tasks running on the CPUs.

  Prior to Haswell, there was no mechanism to tell how much of the cache
  was in use by a task/process, just that a process either caused a
  cache miss or a cache hit.

  This feature can be useful for customers who want to better manage
  their processing resources.  If a user can identify processes that are
  large consumers of the cache, those processes can either be moved to
  another system, or the process itself can be investigated for
  optimizations.

  Upstream status:
  Kernel:target 4.1
  Xen: target 4.5 (Done)

  Target Ubuntu Release: Ubuntu 15.04

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