Re: [SeaBIOS] [Qemu-devel] >256 Virtio-net-pci hotplug Devices

[Marcel Apfelbaum]

On 07/08/2017 22:00, Kinsella, Ray wrote:
> Hi Marcel,

Hi Ray,

Please have a look on this thread, I think Laszlo and Paolo
found the root cause.
     https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01368.html
It seems hot-plugging the devices would not help.

Thanks,
MArcel
> Yup - I am using Seabios by default.
> I took all the measures from the Kernel time reported in syslog.
> As Seabios wasn't exhibiting any obvious scaling problem.
>
> Ray K
>
> -----Original Message-----
> From: Marcel Apfelbaum [mailto:[e-mail]]
> Sent: Wednesday, August 2, 2017 5:43 AM
> To: Kinsella, Ray ; Kevin O'Connor 
> Cc: Tan, Jianfeng ; [e-mail]; Michael Tsirkin ; [e-mail]; Gerd Hoffmann 
> Subject: Re: [Qemu-devel] >256 Virtio-net-pci hotplug Devices
>
> It is an issue worth looking into it, one more question, all the measurements are from OS boot? Do you use SeaBIOS?
> No problems with the firmware?
>
> Thanks,
> Marcel

[Qemu-devel] >256 Virtio-net-pci hotplug Devices

[Kinsella, Ray]

Marcel,

The findings are pretty consistent with what I identified.
Although it looks like SeaBIOS fairs better than UEFI.

Thanks for the headsup, will reply on the thread itself.

Ray K

-----Original Message-----
From: Marcel Apfelbaum [mailto:[e-mail]] 
Sent: Wednesday, August 9, 2017 3:53 AM
To: Kinsella, Ray ; Kevin O'Connor 
Cc: Tan, Jianfeng ; [e-mail]; Michael Tsirkin ; [e-mail]; Gerd Hoffmann 
Subject: Re: [Qemu-devel] >256 Virtio-net-pci hotplug Devices

On 07/08/2017 22:00, Kinsella, Ray wrote:
> Hi Marcel,

Hi Ray,

Please have a look on this thread, I think Laszlo and Paolo
found the root cause.
     https://lists.gnu.org/archive/html/qemu-devel/2017-08/msg01368.html
It seems hot-plugging the devices would not help.

Thanks,
MArcel
> Yup - I am using Seabios by default.
> I took all the measures from the Kernel time reported in syslog.
> As Seabios wasn't exhibiting any obvious scaling problem.
>
> Ray K
>
> -----Original Message-----
> From: Marcel Apfelbaum [mailto:[e-mail]]
> Sent: Wednesday, August 2, 2017 5:43 AM
> To: Kinsella, Ray ; Kevin O'Connor 
> Cc: Tan, Jianfeng ; [e-mail]; Michael Tsirkin ; [e-mail]; Gerd Hoffmann 
> Subject: Re: [Qemu-devel] >256 Virtio-net-pci hotplug Devices
>
> It is an issue worth looking into it, one more question, all the measurements are from OS boot? Do you use SeaBIOS?
> No problems with the firmware?
>
> Thanks,
> Marcel