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Message-ID: <BN8PR12MB342559414BE03DFC992AD03DAB450@BN8PR12MB3425.namprd12.prod.outlook.com>
Date: Tue, 11 Aug 2020 11:26:20 +0000
From: Eli Cohen <elic@...dia.com>
To: "Michael S. Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>
CC: "kvm@...r.kernel.org" <kvm@...r.kernel.org>,
"virtualization@...ts.linux-foundation.org"
<virtualization@...ts.linux-foundation.org>,
"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"eli@...lanox.com" <eli@...lanox.com>,
"lulu@...hat.com" <lulu@...hat.com>,
Majd Dibbiny <majd@...dia.com>,
"Maor Dickman" <maord@...dia.com>,
Shahaf Shuler <shahafs@...lanox.com>
Subject: VDPA Debug/Statistics
Hi All
Currently, the only statistics we get for a VDPA instance comes from the virtio_net device instance. Since VDPA involves hardware acceleration, there can be quite a lot of information that can be fetched from the underlying device. Currently there is no generic method to fetch this information.
One way of doing this can be to create a the host, a net device for each VDPA instance, and use it to get this information or do some configuration. Ethtool can be used in such a case
I would like to hear what you think about this or maybe you have some other ideas to address this topic.
Thanks,
Eli
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