From owner-freebsd-current@FreeBSD.ORG Mon Aug 27 20:47:16 2012 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id E681C1065670; Mon, 27 Aug 2012 20:47:16 +0000 (UTC) (envelope-from lev@FreeBSD.org) Received: from onlyone.friendlyhosting.spb.ru (onlyone.friendlyhosting.spb.ru [IPv6:2a01:4f8:131:60a2::2]) by mx1.freebsd.org (Postfix) with ESMTP id 7DAAC8FC0C; Mon, 27 Aug 2012 20:47:16 +0000 (UTC) Received: from lion.home.serebryakov.spb.ru (unknown [IPv6:2001:470:923f:1:b893:d73f:3750:2064]) (Authenticated sender: lev@serebryakov.spb.ru) by onlyone.friendlyhosting.spb.ru (Postfix) with ESMTPA id 3A6764AC2D; Tue, 28 Aug 2012 00:47:15 +0400 (MSK) Date: Tue, 28 Aug 2012 00:47:13 +0400 From: Lev Serebryakov Organization: FreeBSD Project X-Priority: 3 (Normal) Message-ID: <1758728845.20120828004713@serebryakov.spb.ru> To: John Baldwin In-Reply-To: <201208271226.03496.jhb@freebsd.org> References: <135297243.20120827061957@serebryakov.spb.ru> <198519466.20120827164646@serebryakov.spb.ru> <201208271226.03496.jhb@freebsd.org> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Cc: freebsd-current@freebsd.org Subject: Re: What is "Fast task queue"? (Was: How to understand what `swi5' kernel thread does?) X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: lev@FreeBSD.org List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Aug 2012 20:47:17 -0000 Hello, John. You wrote 27 =D0=B0=D0=B2=D0=B3=D1=83=D1=81=D1=82=D0=B0 2012 =D0=B3., 20:26= :03: >> What "fast tasks" are performed via this queue? Under network load it >> is main consumer of CPU. JB> Certain NIC drivers perform much of their interrupt handling in that th= read. Yep, I've found, that my if_vr uses it. One more question: does ipfw rules works in same thread? I have ``net.isr.dispatch=3D"direct"'' set. --=20 // Black Lion AKA Lev Serebryakov