在 2023/2/8 下午11:04, Parav Pandit 写道:
From: Michael S. Tsirkin
Sent: Wednesday, February 8, 2023 9:48 AM
On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
From: Michael S. Tsirkin
Sent: Wednesday, February 8, 2023 9:43 AM
On Wed, Feb 08, 2023 at 02:37:55PM +, Parav
在 2023/2/9 上午4:52, Michael S. Tsirkin 写道:
On Wed, Feb 08, 2023 at 07:53:09PM +0200, Alvaro Karsz wrote:
> > From: Michael S. Tsirkin
Sent: Wednesday, February 8, 2023 9:48 AM
On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
From: Michael S. Tsirkin
Sent: Wednesday,
在 2023/2/9 上午6:35, Alvaro Karsz 写道:
From: Alvaro Karsz
Sent: Wednesday, February 8, 2023 4:56 PM
Alvaro,
Do you know if any software used it? Can you get some real data?
I implemented this feature in our DPU, so at least 1 vendor is using this
feature
But which software (virtio net
在 2023/2/9 上午1:53, Alvaro Karsz 写道:
> > From: Michael S. Tsirkin
Sent: Wednesday, February 8, 2023 9:48 AM
On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
From: Michael S. Tsirkin
Sent: Wednesday, February 8, 2023 9:43 AM
On Wed, Feb 08, 2023 at 02:37:55PM +, Parav
> From: Alvaro Karsz
> Sent: Wednesday, February 8, 2023 5:36 PM
>
> > > From: Alvaro Karsz
> > > Sent: Wednesday, February 8, 2023 4:56 PM
> >
> > > > Alvaro,
> > > > Do you know if any software used it? Can you get some real data?
> > >
> > > I implemented this feature in our DPU, so at
On Thu, Feb 09, 2023 at 12:35:42AM +0200, Alvaro Karsz wrote:
> > > From: Alvaro Karsz
> > > Sent: Wednesday, February 8, 2023 4:56 PM
> >
> > > > Alvaro,
> > > > Do you know if any software used it? Can you get some real data?
> > >
> > > I implemented this feature in our DPU, so at least 1
On Thu, Feb 09, 2023 at 12:45:42AM +0200, Alvaro Karsz wrote:
> Maybe we should do something more future friendly.
> We may want to add more coalescing related features in the future.
> * Maybe max/min sets?
> * Maybe to offload the adaptive algo to the DPU?
>
> It will require more feature
Maybe we should do something more future friendly.
We may want to add more coalescing related features in the future.
* Maybe max/min sets?
* Maybe to offload the adaptive algo to the DPU?
It will require more feature bits..
We could rename this new feature from VIRTIO_NET_F_PERQUEUE_NOTF_COAL
> > From: Alvaro Karsz
> > Sent: Wednesday, February 8, 2023 4:56 PM
>
> > > Alvaro,
> > > Do you know if any software used it? Can you get some real data?
> >
> > I implemented this feature in our DPU, so at least 1 vendor is using this
> > feature
>
> But which software (virtio net driver) in
> From: Michael S. Tsirkin
> Sent: Wednesday, February 8, 2023 5:29 PM
>
> On Wed, Feb 08, 2023 at 10:23:00PM +, Parav Pandit wrote:
> > > From: Michael S. Tsirkin
> > > Sent: Wednesday, February 8, 2023 5:16 PM
> > > > > Not having this feature/command even complicates things now that
>
On Wed, Feb 08, 2023 at 10:23:00PM +, Parav Pandit wrote:
> > From: Michael S. Tsirkin
> > Sent: Wednesday, February 8, 2023 5:16 PM
> > > > Not having this feature/command even complicates things now that we
> > > > are talking about removing the RX and TX from the per vq command,
> > > >
> From: Michael S. Tsirkin
> Sent: Wednesday, February 8, 2023 5:16 PM
> > > Not having this feature/command even complicates things now that we
> > > are talking about removing the RX and TX from the per vq command,
> > > how do you change parameters to all TX queues? to all RX queues?
> > >
On Wed, Feb 08, 2023 at 10:08:41PM +, Parav Pandit wrote:
>
> > From: Alvaro Karsz
> > Sent: Wednesday, February 8, 2023 4:56 PM
>
> > > Alvaro,
> > > Do you know if any software used it? Can you get some real data?
> >
> > I implemented this feature in our DPU, so at least 1 vendor is
On Wed, Feb 08, 2023 at 09:05:47PM +, Parav Pandit wrote:
>
> > From: Michael S. Tsirkin
> > Sent: Wednesday, February 8, 2023 3:52 PM
> >
> > On Wed, Feb 08, 2023 at 07:53:09PM +0200, Alvaro Karsz wrote:
> > > > > From: Michael S. Tsirkin
> > > > > Sent: Wednesday, February 8, 2023 9:48
> From: Alvaro Karsz
> Sent: Wednesday, February 8, 2023 4:56 PM
> > Alvaro,
> > Do you know if any software used it? Can you get some real data?
>
> I implemented this feature in our DPU, so at least 1 vendor is using this
> feature
But which software (virtio net driver) in which OS is
> > From: Michael S. Tsirkin
> > Sent: Wednesday, February 8, 2023 3:52 PM
> >
> > On Wed, Feb 08, 2023 at 07:53:09PM +0200, Alvaro Karsz wrote:
> > > > > From: Michael S. Tsirkin
> > > > > Sent: Wednesday, February 8, 2023 9:48 AM
> > > > >
> > > > > On Wed, Feb 08, 2023 at 02:44:37PM +,
> On Wed, Feb 08, 2023 at 07:53:09PM +0200, Alvaro Karsz wrote:
> > > > From: Michael S. Tsirkin
> > > > Sent: Wednesday, February 8, 2023 9:48 AM
> > > >
> > > > On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
> > > > >
> > > > > > From: Michael S. Tsirkin
> > > > > > Sent:
> From: Michael S. Tsirkin
> Sent: Wednesday, February 8, 2023 3:52 PM
>
> On Wed, Feb 08, 2023 at 07:53:09PM +0200, Alvaro Karsz wrote:
> > > > From: Michael S. Tsirkin
> > > > Sent: Wednesday, February 8, 2023 9:48 AM
> > > >
> > > > On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit
On Wed, Feb 08, 2023 at 07:53:09PM +0200, Alvaro Karsz wrote:
> > > From: Michael S. Tsirkin
> > > Sent: Wednesday, February 8, 2023 9:48 AM
> > >
> > > On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
> > > >
> > > > > From: Michael S. Tsirkin
> > > > > Sent: Wednesday, February
On Wed, Feb 08, 2023 at 07:23:12PM +, Parav Pandit wrote:
> You are right. Two commands are there.
> Regardless the ambiguity remains
> ━━━
> From: Parav Pandit
> Sent: Wednesday, February 8, 2023 8:57 PM
> To: Michael
You are right. Two commands are there.
Regardless the ambiguity remains
From: Parav Pandit
Sent: Wednesday, February 8, 2023 8:57 PM
To: Michael S. Tsirkin
Cc: Heng Qi ; Xuan Zhuo ;
virtio-comment @ lists . oasis-open . org
; virtio-dev @ lists . oasis-open .
> > From: Michael S. Tsirkin
> > Sent: Wednesday, February 8, 2023 9:48 AM
> >
> > On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
> > >
> > > > From: Michael S. Tsirkin
> > > > Sent: Wednesday, February 8, 2023 9:43 AM
> > > >
> > > > On Wed, Feb 08, 2023 at 02:37:55PM +,
> From: Michael S. Tsirkin
> Sent: Wednesday, February 8, 2023 10:20 AM
[..]
> >
> > Most performant data path wouldn't implement and read the extra mode.
> > It is always fw that is going to program same value, or per queue valued or
> disable value in each Q regardless whichever way we
On Wed, Feb 08, 2023 at 03:04:03PM +, Parav Pandit wrote:
>
>
> > From: Michael S. Tsirkin
> > Sent: Wednesday, February 8, 2023 9:48 AM
> >
> > On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
> > >
> > > > From: Michael S. Tsirkin
> > > > Sent: Wednesday, February 8, 2023
> From: Michael S. Tsirkin
> Sent: Wednesday, February 8, 2023 9:48 AM
>
> On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
> >
> > > From: Michael S. Tsirkin
> > > Sent: Wednesday, February 8, 2023 9:43 AM
> > >
> > > On Wed, Feb 08, 2023 at 02:37:55PM +, Parav Pandit
On Wed, Feb 08, 2023 at 02:44:37PM +, Parav Pandit wrote:
>
> > From: Michael S. Tsirkin
> > Sent: Wednesday, February 8, 2023 9:43 AM
> >
> > On Wed, Feb 08, 2023 at 02:37:55PM +, Parav Pandit wrote:
> > >
> > > > From: Michael S. Tsirkin
> > > > Sent: Wednesday, February 8, 2023 9:18
> From: Michael S. Tsirkin
> Sent: Wednesday, February 8, 2023 9:43 AM
>
> On Wed, Feb 08, 2023 at 02:37:55PM +, Parav Pandit wrote:
> >
> > > From: Michael S. Tsirkin
> > > Sent: Wednesday, February 8, 2023 9:18 AM
> > >
> > > On Wed, Feb 08, 2023 at 07:30:34PM +0800, Heng Qi wrote:
> >
On Wed, Feb 08, 2023 at 02:37:55PM +, Parav Pandit wrote:
>
> > From: Michael S. Tsirkin
> > Sent: Wednesday, February 8, 2023 9:18 AM
> >
> > On Wed, Feb 08, 2023 at 07:30:34PM +0800, Heng Qi wrote:
> > > > I see two options.
> > > > 1. Just have per VQ params. Software has the full
On Wed, Feb 08, 2023 at 02:37:55PM +, Parav Pandit wrote:
>
> > From: Michael S. Tsirkin
> > Sent: Wednesday, February 8, 2023 9:18 AM
> >
> > On Wed, Feb 08, 2023 at 07:30:34PM +0800, Heng Qi wrote:
> > > > I see two options.
> > > > 1. Just have per VQ params. Software has the full
> From: Michael S. Tsirkin
> Sent: Wednesday, February 8, 2023 9:18 AM
>
> On Wed, Feb 08, 2023 at 07:30:34PM +0800, Heng Qi wrote:
> > > I see two options.
> > > 1. Just have per VQ params. Software has the full knowledge of in which
> > > it is
> operating, and state remains at software
On Wed, Feb 08, 2023 at 07:30:34PM +0800, Heng Qi wrote:
> > I see two options.
> > 1. Just have per VQ params. Software has the full knowledge of in which it
> > is operating, and state remains at software level.
> > This effectively achieves both the mode.
> >
> > 2. Have a mode cmd,
> > Mode
On Wed, Feb 08, 2023 at 07:23:10PM +0800, Heng Qi wrote:
>
>
> 在 2023/2/8 下午6:04, Michael S. Tsirkin 写道:
> > On Wed, Feb 08, 2023 at 09:57:54AM +0800, Heng Qi wrote:
> > >
> > > 在 2023/2/7 下午10:06, Michael S. Tsirkin 写道:
> > > > On Tue, Feb 07, 2023 at 07:16:34PM +0800, Heng Qi wrote:
> > > > >
在 2023/2/8 下午6:10, Michael S. Tsirkin 写道:
On Wed, Feb 08, 2023 at 09:57:54AM +0800, Heng Qi wrote:
I think it's a good idea to do this on top of Alvaro's patch
unifying these two structures.
I saw Alvaro's patch, but it doesn't seem to be stable yet, is there a good
way for me to
unify the
On Wed, Feb 08, 2023 at 09:57:54AM +0800, Heng Qi wrote:
> > I think it's a good idea to do this on top of Alvaro's patch
> > unifying these two structures.
>
> I saw Alvaro's patch, but it doesn't seem to be stable yet, is there a good
> way for me to
> unify the two structures, since a patch
On Wed, Feb 08, 2023 at 09:57:54AM +0800, Heng Qi wrote:
>
>
> 在 2023/2/7 下午10:06, Michael S. Tsirkin 写道:
> > On Tue, Feb 07, 2023 at 07:16:34PM +0800, Heng Qi wrote:
> > > Currently, the coalescing profile is directly applied to all queues.
> > > This patch supports configuring the parameters
> From: Heng Qi
> Sent: Tuesday, February 7, 2023 9:36 PM
>
>
> 在 2023/2/8 上午10:20, Parav Pandit 写道:
> >> From: Xuan Zhuo
> >> Sent: Tuesday, February 7, 2023 8:46 PM
> >>
> >> On Tue, 7 Feb 2023 09:06:19 -0500, "Michael S. Tsirkin"
> >>
> >> wrote:
> >>> On Tue, Feb 07, 2023 at 07:16:34PM
> From: Xuan Zhuo
> Sent: Tuesday, February 7, 2023 8:46 PM
>
> On Tue, 7 Feb 2023 09:06:19 -0500, "Michael S. Tsirkin"
> wrote:
> > On Tue, Feb 07, 2023 at 07:16:34PM +0800, Heng Qi wrote:
> > > Currently, the coalescing profile is directly applied to all queues.
> > > This patch supports
On Tue, Feb 07, 2023 at 09:06:24AM -0500, Michael S. Tsirkin wrote:
> On Tue, Feb 07, 2023 at 07:16:34PM +0800, Heng Qi wrote:
> > Currently, the coalescing profile is directly applied to all queues.
> > This patch supports configuring the parameters for a specified queue.
> >
> > When the
On Tue, Feb 07, 2023 at 07:16:34PM +0800, Heng Qi wrote:
> Currently, the coalescing profile is directly applied to all queues.
> This patch supports configuring the parameters for a specified queue.
>
> When the traffic between queues is unbalanced, for example, one queue
> is busy and another
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