Re: [PATCH v3 2/2] vhost: Perform memory section dirty scans once per iteration

2024-03-14 Thread Eugenio Perez Martin
On Thu, Mar 14, 2024 at 7:35 PM Si-Wei Liu wrote: > > > > On 3/14/2024 8:34 AM, Eugenio Perez Martin wrote: > > On Thu, Mar 14, 2024 at 9:38 AM Si-Wei Liu wrote: > >> On setups with one or more virtio-net devices with vhost on, > >> dirty tracking iteration increases cost the bigger the number >

Re: [PATCH v3 2/2] vhost: Perform memory section dirty scans once per iteration

2024-03-14 Thread Si-Wei Liu
On 3/14/2024 8:34 AM, Eugenio Perez Martin wrote: On Thu, Mar 14, 2024 at 9:38 AM Si-Wei Liu wrote: On setups with one or more virtio-net devices with vhost on, dirty tracking iteration increases cost the bigger the number amount of queues are set up e.g. on idle guests migration the followi

Re: [PATCH v3 2/2] vhost: Perform memory section dirty scans once per iteration

2024-03-14 Thread Eugenio Perez Martin
On Thu, Mar 14, 2024 at 9:38 AM Si-Wei Liu wrote: > > On setups with one or more virtio-net devices with vhost on, > dirty tracking iteration increases cost the bigger the number > amount of queues are set up e.g. on idle guests migration the > following is observed with virtio-net with vhost=on: