Re: dm-crypt performance regression due to workqueue changes

2024-07-01 Thread Mikulas Patocka
On Mon, 1 Jul 2024, Daniel P. Berrangé wrote: > On Sun, Jun 30, 2024 at 08:49:48PM +0200, Mikulas Patocka wrote: > > > > > > On Sun, 30 Jun 2024, Tejun Heo wrote: > > > > > Do you happen to know why libvirt is doing that? There are many other > > >

Re: dm-crypt performance regression due to workqueue changes

2024-07-01 Thread Mikulas Patocka
On Mon, 1 Jul 2024, Daniel P. Berrangé wrote: > On Mon, Jul 01, 2024 at 02:48:07PM +0200, Michal Prívozník wrote: > > On 6/30/24 20:49, Mikulas Patocka wrote: > > > > > > > > > On Sun, 30 Jun 2024, Tejun Heo wrote: > > >> > > >> Do

Re: dm-crypt performance regression due to workqueue changes

2024-07-01 Thread Mikulas Patocka
On Sun, 30 Jun 2024, Tejun Heo wrote: > Hello, > > On Sat, Jun 29, 2024 at 08:15:56PM +0200, Mikulas Patocka wrote: > > > With 6.5, we get 3600MiB/s; with 6.6 we get 1400MiB/s. > > > > The reason is that virt-manager by default sets up a topology where we &