RE: [PATCH v8 net-next] net: hyperv: dump TX indirection table to ethtool regs

[Haiyang Zhang]

> -----Original Message-----
> From: Chi Song <chisong@xxxxxxxxxxxxxxxxxxx>
> Sent: Friday, July 24, 2020 12:14 AM
> To: KY Srinivasan <kys@xxxxxxxxxxxxx>; Haiyang Zhang
> <haiyangz@xxxxxxxxxxxxx>; Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>;
> Wei Liu <wei.liu@xxxxxxxxxx>; David S. Miller <davem@xxxxxxxxxxxxx>; Jakub
> Kicinski <kuba@xxxxxxxxxx>
> Cc: linux-hyperv@xxxxxxxxxxxxxxx; netdev@xxxxxxxxxxxxxxx; linux-
> kernel@xxxxxxxxxxxxxxx
> Subject: [PATCH v8 net-next] net: hyperv: dump TX indirection table to ethtool
> regs
> 
> An imbalanced TX indirection table causes netvsc to have low
> performance. This table is created and managed during runtime. To help
> better diagnose performance issues caused by imbalanced tables, it needs
> make TX indirection tables visible.
> 
> Because TX indirection table is driver specified information, so
> display it via ethtool register dump.
> 
> Signed-off-by: Chi Song <chisong@xxxxxxxxxxxxx>

Reviewed-by: Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>