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[Bug 1397880] Re: [Feature] Memory Bandwidth Monitoring

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: Leann Ogasawara <leann.ogasawara@xxxxxxxxxxxxx>
Date: Wed, 06 Apr 2016 08:51:03 -0000
Reply-to: Bug 1397880 <1397880@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

** Changed in: linux (Ubuntu)
   Importance: Undecided => High

** Changed in: linux (Ubuntu)
       Status: Incomplete => Triaged

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https://bugs.launchpad.net/bugs/1397880

Title:
  [Feature] Memory Bandwidth Monitoring

Status in intel:
  New
Status in linux package in Ubuntu:
  Triaged
Status in xen package in Ubuntu:
  Fix Released

Bug description:
  Memory Bandwidth Monitoring (MBM) is a CPU feature included in the family of Platform QoS features.  It is used to track memory bandwidth usage for a specific task, or group of tasks.
  Memory Bandwidth Monitoring is an extension of the existing Cache QoS Monitoring (CQM) feature found in Haswell server.  The mechanism used is the same, where tasks are associated with an Resource Monitoring ID (RMID), which the CPU uses to track the bandwidth usage.

  Upstream status:
  Kernel - 4.6
  Xen - target 4.6

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