Re: [kvm-devel] Network performance regression between kvm-29 and kvm-31

2007-07-22 Thread Aurelien Jarno
On Sun, Jul 22, 2007 at 01:30:14PM +0300, Avi Kivity wrote: > Aurelien Jarno wrote: > >>> > >>> I finally didn't resist to run git bisect before going to bed... > >>> > >>> The patch that causes the regression is: > >>> > >>> commit 7d2e674835492040c9baddf0989a95abea9a8d0f > >>> Author: Avi Kivity

Re: [kvm-devel] Network performance regression between kvm-29 and kvm-31

2007-07-22 Thread Avi Kivity
Aurelien Jarno wrote: >>> >>> I finally didn't resist to run git bisect before going to bed... >>> >>> The patch that causes the regression is: >>> >>> commit 7d2e674835492040c9baddf0989a95abea9a8d0f >>> Author: Avi Kivity <[EMAIL PROTECTED]> >>> Date: Sun Jul 15 15:08:23 2007 +0300 >>> >>> k

Re: [kvm-devel] Network performance regression between kvm-29 and kvm-31

2007-07-21 Thread Aurelien Jarno
Avi Kivity a écrit : > Aurelien Jarno wrote: >> On Sat, Jul 21, 2007 at 12:25:45AM +0200, Aurelien Jarno wrote: >> >>> Hi, >>> >>> I have just noticed that there is a huge performance regression in >>> network transfers between kvm-29 and kvm-31. Using the RTL8139 emulated >>> card, I have seen

Re: [kvm-devel] Network performance regression between kvm-29 and kvm-31

2007-07-20 Thread Avi Kivity
Aurelien Jarno wrote: > On Sat, Jul 21, 2007 at 12:25:45AM +0200, Aurelien Jarno wrote: > >> Hi, >> >> I have just noticed that there is a huge performance regression in >> network transfers between kvm-29 and kvm-31. Using the RTL8139 emulated >> card, I have seen the network speed has been div

Re: [kvm-devel] Network performance regression between kvm-29 and kvm-31

2007-07-20 Thread Aurelien Jarno
On Sat, Jul 21, 2007 at 12:25:45AM +0200, Aurelien Jarno wrote: > Hi, > > I have just noticed that there is a huge performance regression in > network transfers between kvm-29 and kvm-31. Using the RTL8139 emulated > card, I have seen the network speed has been divided by 27!!! I haven't > made pr

[kvm-devel] Network performance regression between kvm-29 and kvm-31

2007-07-20 Thread Aurelien Jarno
Hi, I have just noticed that there is a huge performance regression in network transfers between kvm-29 and kvm-31. Using the RTL8139 emulated card, I have seen the network speed has been divided by 27!!! I haven't made precise speed measurements with other emulated card, but the network speed ha

Re: [kvm-devel] Network performance

2007-03-12 Thread Dor Laor
>Hi, > >I have setup a TUN/TAP device in my QEMU-KVM setup, and when I try to >download a 1G file from the guest VM on a 1Gbit network, the download >speed is abysmal (3MB/sec). Do I need to setup the QEMU acceleration for >achieving better speeds ? What is the status of para virtualized >networkin

[kvm-devel] Network performance

2007-03-12 Thread Pradeep Padala
Hi, I have setup a TUN/TAP device in my QEMU-KVM setup, and when I try to download a 1G file from the guest VM on a 1Gbit network, the download speed is abysmal (3MB/sec). Do I need to setup the QEMU acceleration for achieving better speeds ? What is the status of para virtualized networking o