hi, i run three dos sessions connects to novell server. If i run some programs in C: is running normal. when I run application from novell (G:>) is become slow. Is the sessions not receiving network packets. Among three sessions, I want to run one of the session
fast. Thanks with regards, -kandan --- Ryan Underwood <[EMAIL PROTECTED]> wrote: > > On Sat, Apr 24, 2004 at 09:32:39PM +0100, Andrew > Brooks wrote: > > Ryan Underwood wrote: > > > What do you mean by "speed"? You want different > scheduling > > > priorities > > > for each one? Can just use 'nice'. > > > > I have a DOS application which must respond to an > interrupt within a > > certain amount of time. I have tried using nice > to raise the priority > > but it still misses occasionally. > > Yep. DOSEMU is not DOS. If you have realtime > constraints, we must look > into calling sched_setscheduler() on user's behalf > to set policy to > SCHED_RR or SCHED_FIFO. But that will require root > permission. It > is also possible for your machine to be completely > locked-up if the DOS > task fails in any way. > > > Do you think it's safe to run dosemu in the > realtime scheduling class? > > (in which case I would leave hogthreshold at 1 = > nicest) > > I think DOSEMU itself is mostly safe. The problem > is the DOS program > you are running. If it ever goes into an > uncontrollable loop (i.e. > polling with interrupts disabled), you are screwed > and will have to > reboot when running SCHED_FIFO. SCHED_RR should not > be so bad because > the scheduler is guaranteed to seize control > periodically, but only > other SCHED_RR processes are guaranteed to get any > CPU time. So you > would have to have a SCHED_RR bash running too in > order to be able to > gain control of the other process. > > -- > Ryan Underwood, <[EMAIL PROTECTED]> > > ATTACHMENT part 2 application/pgp-signature name=signature.asc ________________________________________________________________________ Yahoo! Messenger - Communicate instantly..."Ping" your friends today! Download Messenger Now http://uk.messenger.yahoo.com/download/index.html - To unsubscribe from this list: send the line "unsubscribe linux-msdos" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
