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From: Rick Jones <rick.jones2@hp•com>
To: Arjan van de Ven <arjan@infradead•org>
Cc: hadi@cyberus•ca, Robert Iakobashvili <coroberti@gmail•com>,
	netdev@vger•kernel.org
Subject: Re: Network card IRQ balancing with Intel 5000 series chipsets
Date: Tue, 02 Jan 2007 09:57:56 -0800	[thread overview]
Message-ID: <459A9D24.8000807@hp.com> (raw)
In-Reply-To: <1167179309.3281.3342.camel@laptopd505.fenrus.org>

>>With NAPI, if i have a few interupts it likely implies i have a huge
>>network load (and therefore CPU use) and would be much more happier if
>>you didnt start moving more interupt load to that already loaded CPU....
> 
> 
> current irqbalance accounts for napi by using the number of packets as
> indicator for load, not the number of interrupts. (for network
> interrupts obviously)

And hopefully some knowledge of NUMA so it doesn't "balance" the 
interrupts of a NIC to some far-off (topology-wise) CPU...

rick jones

      parent reply	other threads:[~2007-01-02 17:57 UTC|newest]

Thread overview: 21+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-12-24  9:34 Network card IRQ balancing with Intel 5000 series chipsets Robert Iakobashvili
2006-12-25  9:35 ` Arjan van de Ven
2006-12-25 11:26   ` Robert Iakobashvili
2006-12-25 11:34     ` Arjan van de Ven
2006-12-25 12:54       ` Robert Iakobashvili
2006-12-26 18:44         ` jamal
2006-12-26 19:51           ` Robert Iakobashvili
2006-12-26 22:11             ` jamal
2007-01-02 17:56               ` Rick Jones
2006-12-26 22:06           ` Arjan van de Ven
2006-12-26 22:46             ` jamal
2006-12-27  0:28               ` Arjan van de Ven
2006-12-27  3:47                 ` jamal
2006-12-27  7:09                   ` Robert Iakobashvili
2006-12-27 14:31                     ` jamal
2006-12-29  2:04                       ` Krzysztof Oledzki
2006-12-29 17:36                         ` Robert Iakobashvili
2006-12-27 13:08                   ` Arjan van de Ven
2006-12-27 14:44                     ` jamal
2006-12-27 15:06                       ` Arjan van de Ven
2007-01-02 17:57                 ` Rick Jones [this message]

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