From owner-freebsd-stable@FreeBSD.ORG Thu Jul 10 19:37:41 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id B3DAEB9C for ; Thu, 10 Jul 2014 19:37:41 +0000 (UTC) Received: from bigwig.baldwin.cx (bigwig.baldwin.cx [IPv6:2001:470:1f11:75::1]) (using TLSv1 with cipher DHE-RSA-CAMELLIA256-SHA (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id 8B7622CA0 for ; Thu, 10 Jul 2014 19:37:41 +0000 (UTC) Received: from jhbbsd.localnet (unknown [209.249.190.124]) by bigwig.baldwin.cx (Postfix) with ESMTPSA id 7D9BCB9C3; Thu, 10 Jul 2014 15:37:40 -0400 (EDT) From: John Baldwin To: Vlad Galu Subject: Re: Weird ISR accounting in 10-STABLE Date: Thu, 10 Jul 2014 14:30:52 -0400 User-Agent: KMail/1.13.5 (FreeBSD/8.4-CBSD-20140415; KDE/4.5.5; amd64; ; ) References: <201407091402.23537.jhb@freebsd.org> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-15" Content-Transfer-Encoding: 7bit Message-Id: <201407101430.52616.jhb@freebsd.org> X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.2.7 (bigwig.baldwin.cx); Thu, 10 Jul 2014 15:37:40 -0400 (EDT) Cc: freebsd-stable@freebsd.org X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 10 Jul 2014 19:37:41 -0000 On Wednesday, July 09, 2014 5:43:25 pm Vlad Galu wrote: > I hope I'm doing this the right way. Invoking DTrace as dtrace -n > 'profile-1000 /curthread->td_name == "swi1: netisr 0"/ { @[func(arg0)] = > count(); }' outputs: Can you do 'netstat -I lo0 1' or some such to see if you are sending a lot of traffic across lo0 when this is happening? -- John Baldwin