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From: Haiyang Zhang <haiyangz@microsoft.com>
To: Chi Song <chisong@linux.microsoft.com>,
	KY Srinivasan <kys@microsoft.com>,
	Stephen Hemminger <sthemmin@microsoft.com>,
	Wei Liu <wei.liu@kernel.org>,
	"David S. Miller" <davem@davemloft.net>,
	Jakub Kicinski <kuba@kernel.org>
Cc: "linux-hyperv@vger.kernel.org" <linux-hyperv@vger.kernel.org>,
	"netdev@vger.kernel.org" <netdev@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH v8 net-next] net: hyperv: dump TX indirection table to ethtool regs
Date: Fri, 24 Jul 2020 15:28:34 +0000
Message-ID: <BL0PR2101MB0930A3C7BF5FFFF62031D004CA770@BL0PR2101MB0930.namprd21.prod.outlook.com> (raw)
In-Reply-To: <20200724041426.GB25409@linuxonhyperv3.guj3yctzbm1etfxqx2vob5hsef.xx.internal.cloudapp.net>



> -----Original Message-----
> From: Chi Song <chisong@linux.microsoft.com>
> Sent: Friday, July 24, 2020 12:14 AM
> To: KY Srinivasan <kys@microsoft.com>; Haiyang Zhang
> <haiyangz@microsoft.com>; Stephen Hemminger <sthemmin@microsoft.com>;
> Wei Liu <wei.liu@kernel.org>; David S. Miller <davem@davemloft.net>; Jakub
> Kicinski <kuba@kernel.org>
> Cc: linux-hyperv@vger.kernel.org; netdev@vger.kernel.org; linux-
> kernel@vger.kernel.org
> 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@microsoft.com>

Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>


  reply index

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-23  6:59 [PATCH v7 " Chi Song
2020-07-23 17:08 ` Jakub Kicinski
2020-07-23 19:35 ` Michal Kubecek
2020-07-23 19:55   ` Haiyang Zhang
2020-07-23 20:22     ` Michal Kubecek
2020-07-24  4:14 ` [PATCH v8 " Chi Song
2020-07-24 15:28   ` Haiyang Zhang [this message]
2020-07-24 22:18   ` David Miller

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