Re: SMP interrupt wierdness in Linux 2.6.8.1 - Interrupt Load Balancing not working
NOULARD Eric <[email protected]>
| Newsgroups | gmane.linux.smp |
|---|---|
| Message-ID | <[email protected]> |
Just putting this on the list for everybody, since it was useful for me. Le dim 07/11/2004 à 19:24, Alexander Rauth a écrit : > Am Sonntag, den 07.11.2004, 14:12 +0100 schrieb NOULARD Eric: > > I just compiled and booted 2.6.9 > > the result is almost identical interrupt seems to > > goes only to CPU0 (excepted some of them ??) > > > > My kernel config says: > > CONFIG_IRQBALANCE=y > > http://people.redhat.com/arjanv/irqbalance/ > > Do you have irqbalance user-space tool installed and set up during > boot?? > > Alex As i said in a previous private e-mail I still wonder why we need a user-space tool to do irq balancing?? Or "Johan Kullstam" has the answer: the normal kernel IRQ 'balancing' (without irqbalance user land tool and with smp_affinity set to 0xffffffff) tends to keep IRQ to be treated with the same CPU even if it "may" go to others... -- Eric NOULARD E-mail: [email protected] - To unsubscribe from this list: send the line "unsubscribe linux-smp" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html