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:mar...@redhat.com] Sent: Wednesday, August 9, 2017 3:53 AM To: Kinsella, Ray <ray.kinse...@intel.com>; Kevin O'Connor <ke...@koconnor.net> Cc: Tan, Jianfeng <jianfeng....@intel.com>; seab...@seabios.org; Michael Tsirkin <m...@redhat.com>; qemu-devel@nongnu.org; Gerd Hoffmann <kra...@redhat.com> 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:mar...@redhat.com] > Sent: Wednesday, August 2, 2017 5:43 AM > To: Kinsella, Ray <ray.kinse...@intel.com>; Kevin O'Connor > <ke...@koconnor.net> > Cc: Tan, Jianfeng <jianfeng....@intel.com>; seab...@seabios.org; Michael > Tsirkin <m...@redhat.com>; qemu-devel@nongnu.org; Gerd Hoffmann > <kra...@redhat.com> > 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 > >
