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

To: kernel-packages@xxxxxxxxxxxxxxxxxxx
From: XiongZhang <xiong.y.zhang@xxxxxxxxx>
Date: Mon, 16 May 2016 06:55:12 -0000
Reply-to: Bug 1397880 <1397880@xxxxxxxxxxxxxxxxxx>
Sender: bounces@xxxxxxxxxxxxx

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

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

Title:
  [Feature] Memory Bandwidth Monitoring

Status in intel:
  Fix Released
Status in linux package in Ubuntu:
  Fix Released
Status in xen package in Ubuntu:
  Fix Released
Status in linux source package in Xenial:
  Fix Released
Status in xen source package in Xenial:
  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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