Drivers: hv: vmbus: add numa_node to sysfs

Being able to find the numa_node for a device is useful for userspace
drivers (DPDK) and also for diagnosing performance issues.  This makes
vmbus similar to pci.

Signed-off-by: Stephen Hemminger <[email protected]>
Signed-off-by: K. Y. Srinivasan <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
This commit is contained in:
Stephen Hemminger 2018-07-28 21:58:48 +00:00 • committed by Greg Kroah-Hartman
commit 7ceb1c3753
2 changed files with 24 additions and 0 deletions

View file

@ -42,6 +42,13 @@ Contact: K. Y. Srinivasan <[email protected]>
Description: The 16 bit vendor ID of the device
Users: tools/hv/lsvmbus and user level RDMA libraries
What: /sys/bus/vmbus/devices/<UUID>/numa_node
Date: Jul 2018
KernelVersion: 4.19
Contact: Stephen Hemminger <[email protected]>
Description: This NUMA node to which the VMBUS device is
attached, or -1 if the node is unknown.
What: /sys/bus/vmbus/devices/<UUID>/channels/<N>
Date: September. 2017
KernelVersion: 4.14