On Fri, Nov 20, 2020 at 03:06:56PM +0300, Andrey Gruzdev wrote:
> On 19.11.2020 23:02, Peter Xu wrote:
> > On Thu, Nov 19, 2020 at 03:59:40PM +0300, Andrey Gruzdev wrote:
> > > Since reading UFFD events and saving paged data are performed
> > > from the same thread, write fault latencies are sensit
On 19.11.2020 23:02, Peter Xu wrote:
On Thu, Nov 19, 2020 at 03:59:40PM +0300, Andrey Gruzdev wrote:
Since reading UFFD events and saving paged data are performed
from the same thread, write fault latencies are sensitive to
migration stream stalls. Limiting total page saving rate is a
method to
On Thu, Nov 19, 2020 at 03:59:40PM +0300, Andrey Gruzdev wrote:
> Since reading UFFD events and saving paged data are performed
> from the same thread, write fault latencies are sensitive to
> migration stream stalls. Limiting total page saving rate is a
> method to reduce amount of noticiable faul
Since reading UFFD events and saving paged data are performed
from the same thread, write fault latencies are sensitive to
migration stream stalls. Limiting total page saving rate is a
method to reduce amount of noticiable fault resolution latencies.
Migration bandwidth limiting is achieved via no
