On Thursday 20 December 2007 13:45, Jaswinder Singh wrote: > On 12/20/07, Remy Bohmer <linux@xxxxxxxxxx> wrote: > > So, Is this a serious requirement? Should this be possible? > > I have noticed this problem: > root@xxxxxxxxxxxxx:~# cat /proc/loadavgrt > 1.00 1.00 1.00 0/52 1158 > root@xxxxxxxxxxxxx:~# cat /proc/loadavg > 0.00 0.00 0.02 1/52 1159 > root@xxxxxxxxxxxxx:~# > > So I am curious, if possible, user can switch softirq-threads or IRQs > RT tasks to non-RT tasks for slow hardware or least important hardware > for NON-RT tasks. So this will improve RT behaviour. ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Why? IMHO: Simply decrease the RT priority of less important IRQs or increase all other more important IRQs. IRQs are always more important than other processes in a system, also in non RT systems. Juergen -- Dipl.-Ing. Juergen Beisert | http://www.pengutronix.de Pengutronix - Linux Solutions for Science and Industry Handelsregister: Amtsgericht Hildesheim, HRA 2686 Vertretung Sued/Muenchen, Germany Phone: +49-8766-939 228 | Fax: +49-5121-206917-9 - To unsubscribe from this list: send the line "unsubscribe linux-rt-users" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html