Re: I/O scheduler Project
Sandip Jadhav <[email protected]>
| Newsgroups | gmane.os.dragonfly-bsd.kernel |
|---|---|
| Message-ID | <CAAS-KMT3WLHS4fmV82xUfQvKp_myhWZbEWA6Ud4cZkPeSg8vrA@mail.gmail.com> |
Hello everyone, As dragonfly doesn't have deadline scheduler, I was thinking about implementing the deadline scheduler. will it be useful to have this policy ? does anyone have suggestion On Sun, Oct 21, 2012 at 4:46 PM, Sandip Jadhav <[email protected]>wrote: > Thank you Chris For you help. > > > On Sun, Oct 21, 2012 at 3:34 PM, Chris Turner < > [email protected]> wrote: > >> On 10/21/12 09:42, Sandip Jadhav wrote: >> >> I am thinking of working on I/O scheduler project which ismentioned >>> >> > on dragonfly's project page. >> >> Probably the best references are the following manual pages + source code: >> >> dsched(4), dsched(9), dsched_bfq(4) >> >> Main kernel files are in 'sys/kern/dsched'. >> >> There is a good post on the bfq scheduler here: >> >> http://leaf.dragonflybsd.org/**mailarchive/kernel/2011-08/**msg00008.html<http://leaf.dragonflybsd.org/mailarchive/kernel/2011-08/msg00008.html> >> >> There is also a 'fq' scheduler, but it does not have a manual page. >> A good intro 'project' to get up to speed would maybe be to review >> this scheduler and write a manual page documenting it - there were also >> some kernel posts to dig up from when it was being added as well. >> >> Speaking of - survey time! >> >> Who's using I/O schedulers currently & with what settings?? >> >> I had turned off my fq config at some time previously in a >> failed/misguided >> attempt to isolate some stability problems and haven't got back around to >> reconfiguring.. >> >> Cheers, >> >> - Chris >> > > > > -- > Thanks > Sandip Jadhav, > > > --When you come to the end of your rope, tie a knot and hang on. > -- Thanks Sandip Jadhav, --When you come to the end of your rope, tie a knot and hang on.