This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:
apport-collect 1494423
and then change the status of the bug to 'Confirmed'.
If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.
This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.
** Changed in: linux (Ubuntu)
Status: New => Incomplete
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https://bugs.launchpad.net/bugs/1494423
Title:
Upstream commits for NUMA node performance in Hyper-V
Status in linux package in Ubuntu:
Confirmed
Bug description:
Microsoft has investigated networking with NUMA nodes and Hyper-V and
found a number of areas where Linux performance could be corrected to
be in line with other virtual machine types.
Please include the following commits and their necessary prerequisites
(which have been accepted upstream into the 4.2 kernel series) into
the kernels for 15.10, 15.04, 14.04 (including HWE), and 12.04
(including HWE):
8/5 "Drivers: hv: vmbus: Further improve CPU affiliation logic"
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=3b71107d73b16074afa7658f3f0fcf837aabfe24
8/5 "Drivers: hv: vmbus: Improve the CPU affiliation for channels"
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=9f01ec53458d9e9b68f1c555e773b5d1a1f66e94
6/12 "Drivers: hv: vmbus: Allocate ring buffer memory in NUMA aware fashion"
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=294409d20572e9bcf857328286433f851168d54a
6/1 "Drivers: hv: vmbus: Implement NUMA aware CPU affinity for channels"
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=1f656ff3fdddc2f59649cc84b633b799908f1f7b
5/31 "hv_netvsc: Allocate the receive buffer from the correct NUMA node"
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=0a726c2b499e390b1c1fc3092bd789f2192a2d03
5/31 "hv_netvsc: Allocate the sendbuf in a NUMA aware way"
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=5defde5946676ee23cd6a9d0e1de899410f4a33f
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