Thanks. Will try all that. Night time work again ;-) Mike
> -----Original Message----- > From: [email protected] [mailto:asterisk-users- > [email protected]] On Behalf Of Shaun Ruffell > Sent: Tuesday, September 28, 2010 15:37 > To: [email protected] > Subject: Re: [asterisk-users] Asterisk 1.62.13 - CPU spikes every 10 > minutes - NOT FIXED > > On 09/28/2010 02:06 PM, Mike wrote: > > Thanks, don`t think I don't appreciate all your time, I really do. So > > you`re saying it's possibly just fake smoke from a non-existent fire, and > > that nothing is actually wrong despite a high load one one of the CPUs? > > > > That`s what it really is: I am seeing smoke and am looking for a fire, > maybe > > I'm just being paranoid. That`s what trending and SNMP alarms are for I > > suppose ;-) > > Perhaps. It's certainly my best guess based on what you've said. > > Something else you could do without two much trouble to shift things > around and perhaps change what you're seeing is force all the wct4xxp > interrupt onto a single CPU and tell IRQ balance to not use that CPU for > it's normal work. > > i.e. looking at the output from 'cat /proc/interrupts' that you provided > before I see that the wct4xxp driver is attached to IRQ 177. So in > /etc/sysconfig/irqbalance set: > > IRQBALANCE_BANNED_INTERRUPTS=177 > IRQBALANCE_BANNED_CPUS=8 > > to prevent irqbalance from using CPU3 or trying to balance IRQ 177, and > then > > echo 8 > /proc/irq/177/smp_affintity > > To force IRQ 177 onto CPU3 exclusively. Restart irqbalance and after > which the quad span should only be interrupting on CPU3 and the other > three cores are free to handle all the other ones. > > It would be interesting to know if you still % hi spikes every 10 > minutes like this. > > > -- > Shaun Ruffell > Digium, Inc. | Linux Kernel Developer > 445 Jan Davis Drive NW - Huntsville, AL 35806 - USA > Check us out at: www.digium.com & www.asterisk.org > > -- > _____________________________________________________________________ > -- Bandwidth and Colocation Provided by http://www.api-digital.com -- > New to Asterisk? Join us for a live introductory webinar every Thurs: > http://www.asterisk.org/hello > > asterisk-users mailing list > To UNSUBSCRIBE or update options visit: > http://lists.digium.com/mailman/listinfo/asterisk-users -- _____________________________________________________________________ -- Bandwidth and Colocation Provided by http://www.api-digital.com -- New to Asterisk? Join us for a live introductory webinar every Thurs: http://www.asterisk.org/hello asterisk-users mailing list To UNSUBSCRIBE or update options visit: http://lists.digium.com/mailman/listinfo/asterisk-users
