On Fri, May 10, 2024 at 12:37:15PM +0200, Jiri Pirko wrote: > Thu, May 09, 2024 at 04:28:12PM CEST, m...@redhat.com wrote: > >On Thu, May 09, 2024 at 03:31:56PM +0200, Jiri Pirko wrote: > >> Thu, May 09, 2024 at 02:41:39PM CEST, m...@redhat.com wrote: > >> >On Thu, May 09, 2024 at 01:46:15PM +0200, Jiri Pirko wrote: > >> >> From: Jiri Pirko <j...@nvidia.com> > >> >> > >> >> Add support for Byte Queue Limits (BQL). > >> >> > >> >> Signed-off-by: Jiri Pirko <j...@nvidia.com> > >> > > >> >Can we get more detail on the benefits you observe etc? > >> >Thanks! > >> > >> More info about the BQL in general is here: > >> https://lwn.net/Articles/469652/ > > > >I know about BQL in general. We discussed BQL for virtio in the past > >mostly I got the feedback from net core maintainers that it likely won't > >benefit virtio. > > Do you have some link to that, or is it this thread: > https://lore.kernel.org/netdev/21384cb5-99a6-7431-1039-b356521e1...@redhat.com/
A quick search on lore turned up this, for example: https://lore.kernel.org/all/a11eee78-b2a1-3dbc-4821-b5f4bfaae...@gmail.com/ > I don't see why virtio should be any different from other > drivers/devices that benefit from bql. HOL blocking is the same here are > everywhere. > > > > >So I'm asking, what kind of benefit do you observe? > > I don't have measurements at hand, will attach them to v2. > > Thanks! > > > > >-- > >MST > >
