* David Ford <da...@blue-labs.org>: > what's your task switch HZ compiled at? CONFIG_HZ_1000? you would > probably be better at 300 or 250. have you tried tickless?
# fgrep HZ /boot/config-2.6.32-25-generic-pae CONFIG_NO_HZ=y CONFIG_HZ_250=y CONFIG_HZ=250 > is your kernel compiled for precisely your cpu type and smp/hyper > options set correctly? It's an Ubuntu kernel (config-2.6.32-25-generic-pae) > what about CONFIG_PREEMPT? definitely don't use realtime, server is > appropriate. # fgrep PREEMPT /boot/config-2.6.32-25-generic-pae # CONFIG_TREE_PREEMPT_RCU is not set CONFIG_PREEMPT_NOTIFIERS=y # CONFIG_PREEMPT_NONE is not set CONFIG_PREEMPT_VOLUNTARY=y # CONFIG_PREEMPT is not set It's the same kernel 1.2.x is running on, without problems. -- Ralf Hildebrandt Geschäftsbereich IT | Abteilung Netzwerk Charité - Universitätsmedizin Berlin Campus Benjamin Franklin Hindenburgdamm 30 | D-12203 Berlin Tel. +49 30 450 570 155 | Fax: +49 30 450 570 962 ralf.hildebra...@charite.de | http://www.charite.de
