From mboxrd@z Thu Jan 1 00:00:00 1970 From: jamal Subject: Re: Network card IRQ balancing with Intel 5000 series chipsets Date: Tue, 26 Dec 2006 22:47:59 -0500 Message-ID: <1167191279.3746.60.camel@localhost> References: <7e63f56c0612240134s452f6510h8483fb31e5efe799@mail.gmail.com> <1167039303.3281.1574.camel@laptopd505.fenrus.org> <7e63f56c0612250326td172f28n532435b23d18b69f@mail.gmail.com> <1167046499.3281.1623.camel@laptopd505.fenrus.org> <7e63f56c0612250454g5520bd6aja0fb9ab2656ff74e@mail.gmail.com> <1167158658.3746.12.camel@localhost> <1167170793.3281.3209.camel@laptopd505.fenrus.org> <1167173199.3746.45.camel@localhost> <1167179309.3281.3342.camel@laptopd505.fenrus.org> Reply-To: hadi@cyberus.ca Mime-Version: 1.0 Content-Type: text/plain Content-Transfer-Encoding: 7bit Cc: Robert Iakobashvili , netdev@vger.kernel.org Return-path: Received: from wx-out-0506.google.com ([66.249.82.226]:10696 "EHLO wx-out-0506.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932897AbWL0DsC (ORCPT ); Tue, 26 Dec 2006 22:48:02 -0500 Received: by wx-out-0506.google.com with SMTP id h27so4074330wxd for ; Tue, 26 Dec 2006 19:48:02 -0800 (PST) To: Arjan van de Ven In-Reply-To: <1167179309.3281.3342.camel@laptopd505.fenrus.org> Sender: netdev-owner@vger.kernel.org List-Id: netdev.vger.kernel.org On Wed, 2006-27-12 at 01:28 +0100, Arjan van de Ven wrote: > current irqbalance accounts for napi by using the number of packets as > indicator for load, not the number of interrupts. (for network > interrupts obviously) > Sounds a lot more promising. Although still insufficient in certain cases. All flows are not equal; as an example, an IPSEC flow with 1000 packets bound to one CPU will likely utilize more cycles than 5000 packets that are being plain forwarded on another CPU. cheers, jamal