TTY task group scheduling

[Jeremy Chadwick]

On Thu, Nov 18, 2010 at 06:23:24PM +0000, Alexander Best wrote:
> On Thu Nov 18 10, Andriy Gapon wrote:
> > on 18/11/2010 13:04 O. Hartmann said the following:
> > > On 11/18/10 02:30, grarpamp wrote:
> > >> Just documenting regarding interactive performance things.
> > >> This one's from Linux.
> > >>
> > >> http://www.phoronix.com/scan.php?page=article&item=linux_2637_video&num=1
> > > 
> > > Well,
> > > it would be nice to have those improvements in FreeBSD, but I doubt this will make
> > > it in due time to FreeBSD's kernel.
> > 
> > Well, I think that those improvements apply only to a very specific usage pattern
> > and are greatly over-hyped.
> 
> you think so? judging from the videos the changes are having a huge impact imo.
> 
> cheers.
> alex
> 
> btw: i posted a similar thread on freebsd-backers@, but nobody seemed
> interested in it. subject line is "sched_autogroup_enabled".

FWIW, this /. post pretty much sums up my opinion of this scheduler
change (though I admit something could be learned from it):

http://linux.slashdot.org/comments.pl?sid=1870628&cid=34241622

Specifically, the quote: "process grouping is too difficult to be done
based on such simplistic criteria".

-- 
| Jeremy Chadwick                                   jdc at parodius.com |
| Parodius Networking                       http://www.parodius.com/ |
| UNIX Systems Administrator                  Mountain View, CA, USA |
| Making life hard for others since 1977.              PGP: 4BD6C0CB |