Re: macvtap performance regression (bisected) between 3.13 and 3.14-rc1

2014-03-01 Thread Christian Borntraeger
On 28/02/14 23:14, Vlad Yasevich wrote: On 02/27/2014 03:52 PM, Christian Borntraeger wrote: Vlad, commit 6acf54f1cf0a6747bac9fea26f34cfc5a9029523 macvtap: Add support of packet capture on macvtap device. causes a performance regression for iperf traffic between two KVM guests on my

Re: 3.10.X kernel/jump_label kvm

2014-03-01 Thread Andrey Korolyov
On 02/28/2014 11:47 PM, Stefan Priebe wrote: Hello, i got this stack trace multiple times while using a vanilla 3.10.32 kernel and already sent it to the list in december but got no replies. Hi, What kind of workload the host system is experiencing at same time? Does this event correlate

KVM call agenda for 2014-03-04

2014-03-01 Thread Juan Quintela
Hi Please, send any topic that you are interested in covering. Agenda: * [Qemu-devel] [PATCH V17 00/11] Add support for binding guest numa nodes Any news about this? (Vinod) * Should we change anything to get more people to sign for the call? There hasn't been a call in quite a long

Re: 3.10.X kernel/jump_label kvm

2014-03-01 Thread Stefan Priebe
Am 01.03.2014 15:27, schrieb Andrey Korolyov: On 02/28/2014 11:47 PM, Stefan Priebe wrote: Hello, i got this stack trace multiple times while using a vanilla 3.10.32 kernel and already sent it to the list in december but got no replies. Hi, What kind of workload the host system is

Re: macvtap performance regression (bisected) between 3.13 and 3.14-rc1

2014-03-01 Thread Vlad Yasevich
On 03/01/2014 06:15 AM, Christian Borntraeger wrote: On 28/02/14 23:14, Vlad Yasevich wrote: On 02/27/2014 03:52 PM, Christian Borntraeger wrote: Vlad, commit 6acf54f1cf0a6747bac9fea26f34cfc5a9029523 macvtap: Add support of packet capture on macvtap device. causes a performance

Re: macvtap performance regression (bisected) between 3.13 and 3.14-rc1

2014-03-01 Thread Vlad Yasevich
On 03/01/2014 02:27 PM, Vlad Yasevich wrote: On 03/01/2014 06:15 AM, Christian Borntraeger wrote: On 28/02/14 23:14, Vlad Yasevich wrote: On 02/27/2014 03:52 PM, Christian Borntraeger wrote: Vlad, commit 6acf54f1cf0a6747bac9fea26f34cfc5a9029523 macvtap: Add support of packet capture on