** Changed in: linux (Ubuntu)
Importance: High => Undecided
** Changed in: linux (Ubuntu)
Status: Triaged => Fix Committed
** Changed in: linux (Ubuntu)
Assignee: (unassigned) => Tim Gardner (timg-tpi)
** Also affects: xen (Ubuntu Xenial)
Importance: Undecided
Status: Fix Released
** Also affects: linux (Ubuntu Xenial)
Importance: Undecided
Assignee: Tim Gardner (timg-tpi)
Status: Fix Committed
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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:
Fix Committed
Status in xen package in Ubuntu:
Fix Released
Status in linux source package in Xenial:
Fix Committed
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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