From: Avleen Vig [mailto:[EMAIL PROTECTED] > > Has anyone here used DEVICE_POLLING on an SMP box? > I have one server which does recieve ~130kpps at times on an > interface, > but I cannot enable DEVICE_POLLING because hte system locks up under > load from interrupts. > > In this case I'm not sure which is better, disabling one of the CPU's, > or trying to make DECIVE_POLLING work with SMP. > > I read Luigi's paper at info.iet.unipi.it/~luigi/polling/ which at the > end implies that DEVICE_POLLING on an SMP box might not make > sense - but > right now for me it would make sense as both CPU's are locked: > One tries to handle interrupts > The other tries to manage the application > > I could try forcing DEVICE_POLLING to compile as is suggested in that > URL but I wanted to see if anyone had tried this before. > > The interface is an FXP.
We use it on em. I just commented out the #error line that says you can't do it. device polling in idle doesn't work, and the user/system time calculation isn't correct, but it works well otherwise. --don _______________________________________________ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-hackers To unsubscribe, send any mail to "[EMAIL PROTECTED]"
