From owner-freebsd-stable@FreeBSD.ORG Wed Oct 21 10:31:19 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 70B98106566B for ; Wed, 21 Oct 2009 10:31:19 +0000 (UTC) (envelope-from is@rambler-co.ru) Received: from mailrelay1.rambler.ru (mailrelay1.rambler.ru [81.19.66.239]) by mx1.freebsd.org (Postfix) with ESMTP id 276EC8FC18 for ; Wed, 21 Oct 2009 10:31:18 +0000 (UTC) Received: from kas30pipe.localhost (localhost [127.0.0.1]) by mailrelay1.rambler.ru (Postfix) with ESMTP id 7181D130CC5 for ; Wed, 21 Oct 2009 14:12:44 +0400 (MSD) Received: from localhost (unknown [81.19.68.137]) by mailrelay1.rambler.ru (Postfix) with ESMTP id E950F130CC3 for ; Wed, 21 Oct 2009 14:12:43 +0400 (MSD) Date: Wed, 21 Oct 2009 14:12:43 +0400 From: Igor Sysoev To: freebsd-stable@freebsd.org Message-ID: <20091021101243.GE3199@rambler-co.ru> MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Disposition: inline User-Agent: Mutt/1.5.20 (2009-06-14) X-Anti-Virus: Kaspersky Anti-Virus for MailServers 5.5.33/RELEASE, bases: 02092009 #2738642, status: clean X-SpamTest-Envelope-From: is@rambler-co.ru X-SpamTest-Group-ID: 00000000 X-SpamTest-Info: Profiles 9536 [Sen 02 2009] X-SpamTest-Info: {HEADERS: header Content-Type found without required header Content-Transfer-Encoding} X-SpamTest-Method: none X-SpamTest-Rate: 10 X-SpamTest-SPF: pass X-SpamTest-Status: Not detected X-SpamTest-Status-Extended: not_detected X-SpamTest-Version: SMTP-Filter Version 3.0.0 [0284], KAS30/Release Subject: interrupt threads CPU usage in FreeBSD 8.0 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 21 Oct 2009 10:31:19 -0000 Hi, for some reason in 8.0 top always shows 0% CPU usage for intr kernel process and active interrupt thread, "irq19 bge0" in my case. 8-0 RC1 top -PS: CPU 0: 27.8% user, 0.0% nice, 7.1% system, 0.0% interrupt, 65.0% idle CPU 1: 3.0% user, 0.0% nice, 2.3% system, 7.1% interrupt, 87.6% idle PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 11 root 2 171 ki31 0K 32K RUN 0 140.7H 152.54% idle 61371 nobody 1 69 -10 384M 289M kqread 0 105:56 17.77% nginx 61372 nobody 1 67 -10 384M 293M CPU0 0 106:15 16.99% nginx 12 root 15 -60 - 0K 240K WAIT 0 54:50 0.00% intr 8.0 RC1 top -PSH: PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 11 root 171 ki31 0K 32K RUN 1 71.5H 81.05% {idle: cpu1} 11 root 171 ki31 0K 32K CPU0 0 69.3H 69.19% {idle: cpu0} 61372 nobody 68 -10 384M 294M kqread 0 107:06 18.99% nginx 61371 nobody 68 -10 384M 291M kqread 0 106:45 16.99% nginx 12 root -68 - 0K 240K WAIT 1 50:48 0.00% {irq19: bge0} 17 root 44 - 0K 16K syncer 1 5:23 0.00% syncer 12 root -32 - 0K 240K WAIT 1 3:06 0.00% {swi4: clock} 7.2-STABLE top -PS: CPU 0: 9.0% user, 0.0% nice, 7.9% system, 9.0% interrupt, 74.1% idle CPU 1: 23.3% user, 0.0% nice, 8.3% system, 0.0% interrupt, 68.4% idle PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 12 root 1 171 ki31 0K 16K RUN 0 275.0H 83.59% idle: cpu0 11 root 1 171 ki31 0K 16K RUN 1 264.2H 76.27% idle: cpu1 16109 nobody 1 68 -10 376M 307M CPU0 1 28:05 21.97% nginx 16110 nobody 1 4 -10 376M 316M RUN 0 28:05 20.17% nginx 26 root 1 -68 - 0K 16K WAIT 0 902:39 6.69% irq19: bge0 -- Igor Sysoev http://sysoev.ru/en/