On Wed, Feb 02, 2011 at 04:04:36AM +1100, Bruce Evans wrote:
> On Tue, 1 Feb 2011, Slawa Olhovchenkov wrote:
>
> > I do some more test and build kernel with KTR.
> > Now I don't think that inetrrupt overhead on FreeBSD weight: I try
> > polling and don't see any difference.
> >
> > I see many rep
On Tue, 1 Feb 2011, Slawa Olhovchenkov wrote:
I do some more test and build kernel with KTR.
Now I don't think that inetrrupt overhead on FreeBSD weight: I try
polling and don't see any difference.
I see many reported by netperf send errors. I found this
http://docs.freebsd.org/cgi/mid.cgi?E1Ai
On Tue, Feb 01, 2011 at 04:15:01PM +0300, Slawa Olhovchenkov wrote:
> On Tue, Feb 01, 2011 at 02:23:32PM +0200, Stefan Lambrev wrote:
>
> > >> Also in the past ENOBUF was not handled properly in linux.
> > >>
> > >> http://wiki.freebsd.org/AvoidingLinuxisms - Do not rely on
> > >> Linux-specifi
On Tue, Feb 01, 2011 at 02:23:32PM +0200, Stefan Lambrev wrote:
> >> Also in the past ENOBUF was not handled properly in linux.
> >>
> >> http://wiki.freebsd.org/AvoidingLinuxisms - Do not rely on Linux-specific
> >> socket behaviour. In particular, default socket buffer sizes are different
> >
On Feb 1, 2011, at 2:18 PM, Slawa Olhovchenkov wrote:
> On Tue, Feb 01, 2011 at 02:07:51PM +0200, Stefan Lambrev wrote:
>
>>> I do some more test and build kernel with KTR.
>>> Now I don't think that inetrrupt overhead on FreeBSD weight: I try
>>> polling and don't see any difference.
>>>
>>> I
On Tue, Feb 01, 2011 at 02:07:51PM +0200, Stefan Lambrev wrote:
> > I do some more test and build kernel with KTR.
> > Now I don't think that inetrrupt overhead on FreeBSD weight: I try
> > polling and don't see any difference.
> >
> > I see many reported by netperf send errors. I found this
> >
Hi,
On Feb 1, 2011, at 1:37 PM, Slawa Olhovchenkov wrote:
> On Sat, Jan 29, 2011 at 07:52:11AM +1100, Bruce Evans wrote:
>
there are profiling tools that you may decide to run.
>>>
>>> What tools I can use on amd64?
>>>
>>> I boot kernel configured with 'config -p'.
>>> Most time in spinl
On Sat, Jan 29, 2011 at 07:52:11AM +1100, Bruce Evans wrote:
> >> there are profiling tools that you may decide to run.
> >
> > What tools I can use on amd64?
> >
> > I boot kernel configured with 'config -p'.
> > Most time in spinlock_exit and acpi_cpu_c1.
>
> Normal profiling works poorly (I se