hi, I was always setting HZ to 1000 when I compiled QoS kernel ... i knowed it shedules tasks more often and that was my presumtion that this way qos channel polices will be enforced better (of cource will have greater sheduling overhead) .... but now u can get much better picture if u read this : http://kerneltrap.org/node.php?id=464 hope it is interesting raptor _______________________________________________ LARTC mailing list / LARTC@mailman.ds9a.nl http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/