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Open Source and information security mailing list archives
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Date: Thu, 8 Feb 2007 00:42:43 -0800 (PST) From: David Lang <david.lang@...italinsight.com> To: Arjan van de Ven <arjan@...ux.intel.com> cc: Marc Donner <donner@...-breitband.de>, linux-kernel@...r.kernel.org Subject: Re: cpu load balancing problem on smp On Wed, 7 Feb 2007, Arjan van de Ven wrote: > > Marc Donner wrote: >> 501: 215717 209388 209430 202514 PCI-MSI-edge eth10 >> 502: 927 1019 1053 888 PCI-MSI-edge eth11 > > this is odd, this is not an irq distribution that irqbalance should give you > 1 >> NMI: 451 39 42 46 >> LOC: 170899 170864 170846 170788 >> ERR: 0 >> >> top output: >> >> top - 01:45:32 up 16 min, 2 users, load average: 1.04, 0.92, 0.50 >> Tasks: 81 total, 3 running, 78 sleeping, 0 stopped, 0 zombie >> Cpu0 : 0.0% us, 0.0% sy, 0.0% ni, 0.0% id, 0.0% wa, 0.0% hi, 100.0% >> si >> > and this doesn't match the irq output... > sounds as if something has a real bug; can you send an lsmod ? maybe some > driver keeps doing si's since this only happens when he adds more iptables rules, is it possible that there sis some locking, or otherdata structure access that's serializing things under load? Marc, since you don't use modules, send your .config. David Lang - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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