From owner-freebsd-stable@FreeBSD.ORG Tue Nov 3 16:36:57 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 E512A106566C for ; Tue, 3 Nov 2009 16:36:56 +0000 (UTC) (envelope-from asmrookie@gmail.com) Received: from fg-out-1718.google.com (fg-out-1718.google.com [72.14.220.157]) by mx1.freebsd.org (Postfix) with ESMTP id 776338FC26 for ; Tue, 3 Nov 2009 16:36:56 +0000 (UTC) Received: by fg-out-1718.google.com with SMTP id d23so1135318fga.13 for ; Tue, 03 Nov 2009 08:36:55 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:sender:received:in-reply-to :references:date:x-google-sender-auth:message-id:subject:from:to:cc :content-type; bh=voVT0J8jYhgwBgkG5qF0fsEKmBCXPHsxUfKZuTMBVkc=; b=RFs7bBK9Q3pEEAHrieLLnviyUAfnoRbn9Oq7xCOMNs7IC6fpZH+IvolUc6OAf9w4va zOKmxFWpBLD43k7j1Bw4Z0nUMSJP8c/wwpP8xTBoIYpP1vUfBF9rzy8mSLRho1Wpn54F 5N/o983b20C7EsjDufqmeNukuO6fT3Cy8RURo= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:sender:in-reply-to:references:date :x-google-sender-auth:message-id:subject:from:to:cc:content-type; b=vCRlL+impqP1ewSh/DxvHya93qLN5vMAVqorhuL9ruT5wnyOu8uInxLG7icqTzK7WZ 43MaTK6a8P4AstgccceYBPn9v9lcUEvrzOkS6Anj8f4vhbUpIQMZBEXzOvJO3BgbaXj1 vPZNYssNSxOMwoOzprXSJ5dy+3ew02hidmh0U= MIME-Version: 1.0 Sender: asmrookie@gmail.com Received: by 10.223.102.130 with SMTP id g2mr30570fao.52.1257266215467; Tue, 03 Nov 2009 08:36:55 -0800 (PST) In-Reply-To: <20091021101243.GE3199@rambler-co.ru> References: <20091021101243.GE3199@rambler-co.ru> Date: Tue, 3 Nov 2009 17:36:55 +0100 X-Google-Sender-Auth: ef90338f5eb83cfd Message-ID: <3bbf2fe10911030836r173b4b3boe606e2222fbdfff6@mail.gmail.com> From: Attilio Rao To: Igor Sysoev Content-Type: text/plain; charset=UTF-8 Cc: freebsd-stable@freebsd.org Subject: Re: 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: Tue, 03 Nov 2009 16:36:57 -0000 2009/10/21 Igor Sysoev : > 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 How old is your 7.2-STABLE? Attilio -- Peace can only be achieved by understanding - A. Einstein