Re: [RFC/RFT] calloutng
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Fabian Keil <freebsd-listen@fabiankeil.de> wrote:
> Alexander Motin <mav@FreeBSD.org> wrote:
>=20
> > On 20.12.2012 15:26, Fabian Keil wrote:
> > > Alexander Motin <mav@FreeBSD.org> wrote:
> > >
> > >> On 20.12.2012 12:56, Fabian Keil wrote:
> > >>> Alexander Motin <mav@FreeBSD.org> wrote:
> > >>>
> > >>>> Experiments with dummynet shown ineffective support for very short
> > >>>> tick-based callouts. New version fixes that, allowing to get as ma=
ny
> > >>>> tick-based callout events as hz value permits, while still be able=
to
> > >>>> aggregate events and generating minimum of interrupts.
> > >>>>
> > >>>> Also this version modifies system load average calculation to fix =
some
> > >>>> cases existing in HEAD and 9 branches, that could be fixed with new
> > >>>> direct callout functionality.
> > >>>>
> > >>>> http://people.freebsd.org/~mav/calloutng_12_17.patch
> > >>>
> > >>> With this patch (and the previous one, I didn't test the others)
> > >>> my mouse cursor is occasionally not reacting for short amounts of
> > >>> time (less than a second, but long enough to be noticeable).
>=20
> > >> Could you try to revert part of the patch, related to dev/atkbdc? I =
am
> > >> not strong in details of that hardware, but in comments there mention
> > >> that they are related. May be lost keyboard interrupts (which polling
> > >> rate was increased to 1 second) cause PS/2 mouse delays.
> > >
> > > I reverted the changes to sys/dev/atkbdc/* about an hour ago
> > > and so far it's looking good. I'll report back tomorrow after
> > > some more testing.
Still looking good.
Fabian
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