From owner-freebsd-stable@FreeBSD.ORG Wed Jun 18 11:13:15 2014 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTPS id 0254AB44 for ; Wed, 18 Jun 2014 11:13:15 +0000 (UTC) Received: from mail-qa0-x22d.google.com (mail-qa0-x22d.google.com [IPv6:2607:f8b0:400d:c00::22d]) (using TLSv1 with cipher ECDHE-RSA-RC4-SHA (128/128 bits)) (Client CN "smtp.gmail.com", Issuer "Google Internet Authority G2" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id B3CA624E8 for ; Wed, 18 Jun 2014 11:13:14 +0000 (UTC) Received: by mail-qa0-f45.google.com with SMTP id v10so537629qac.18 for ; Wed, 18 Jun 2014 04:13:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=packetdam.com; s=google; h=mime-version:from:date:message-id:subject:to:content-type; bh=IDYGqx0dXfniNcoapB6xSukShrhlVG8LmxL+5NwHbtA=; 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Wed, 18 Jun 2014 04:12:33 -0700 (PDT) X-Originating-IP: [195.59.118.200] From: Vlad Galu Date: Wed, 18 Jun 2014 12:12:33 +0100 Message-ID: Subject: Weird ISR accounting in 10-STABLE To: freebsd-stable@freebsd.org Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.18 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: Wed, 18 Jun 2014 11:13:15 -0000 CPU information: -- cut here -- FreeBSD/SMP: Multiprocessor System Detected: 8 CPUs FreeBSD/SMP: 1 package(s) x 4 core(s) x 2 SMT threads -- and here -- top output: -- cut here -- last pid: 51987; load averages: 2.00, 2.00, 2.00 up 8+18:47:58 13:07:02 520 processes: 11 running, 489 sleeping, 20 waiting CPU 0: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 100% idle CPU 1: 0.0% user, 0.0% nice, 0.0% system, 100% interrupt, 0.0% idle CPU 2: 0.0% user, 0.0% nice, 0.4% system, 0.0% interrupt, 99.6% idle CPU 3: 0.4% user, 0.0% nice, 0.0% system, 0.0% interrupt, 99.6% idle CPU 4: 0.0% user, 0.0% nice, 0.0% system, 0.0% interrupt, 100% idle CPU 5: 0.0% user, 0.0% nice, 0.8% system, 0.0% interrupt, 99.2% idle CPU 6: 0.0% user, 0.0% nice, 0.4% system, 0.0% interrupt, 99.6% idle CPU 7: 0.0% user, 0.0% nice, 0.0% system, 0.4% interrupt, 99.6% idle Mem: 87M Active, 2102M Inact, 11G Wired, 3656K Cache, 17G Free ARC: 8192M Total, 4089M MFU, 3372M MRU, 1936K Anon, 66M Header, 663M Other Swap: 32G Total, 32G Free PID USERNAME PRI NICE SIZE RES STATE C TIME WCPU COMMAND 11 root 155 ki31 0K 128K CPU0 0 210.1H 100.00% idle{idle: cpu0} 11 root 155 ki31 0K 128K CPU5 5 209.9H 100.00% idle{idle: cpu5} 11 root 155 ki31 0K 128K CPU7 7 209.9H 100.00% idle{idle: cpu7} 11 root 155 ki31 0K 128K CPU4 4 209.1H 100.00% idle{idle: cpu4} 11 root 155 ki31 0K 128K RUN 3 189.9H 100.00% idle{idle: cpu3} 11 root 155 ki31 0K 128K CPU2 2 173.3H 100.00% idle{idle: cpu2} 11 root 155 ki31 0K 128K CPU6 6 163.4H 100.00% idle{idle: cpu6} 12 root -72 - 0K 336K CPU1 1 141.0H 100.00% intr{swi1: netisr 0} 11 root 155 ki31 0K 128K RUN 1 169.3H 0.00% idle{idle: cpu1} 12 root -92 - 0K 336K WAIT 7 31:16 0.00% intr{irq265: re0} 23 root 16 - 0K 16K syncer 2 9:38 0.00% syncer 7 root -16 - 0K 16K pftm 5 9:35 0.00% pf purge 12 root -60 - 0K 336K WAIT 0 4:26 0.00% intr{swi4: clock} 15 root -16 - 0K 16K - 5 3:13 0.00% rand_harvestq 12 root -88 - 0K 336K WAIT 3 1:15 0.00% intr{irq266: ahci0} -- and here -- vmstat output: -- cut here -- interrupt total rate irq1: atkbd0 76 0 irq16: ehci0 1312187 1 irq23: ehci1 2365530 3 cpu0:timer 840112732 1106 irq265: re0 490701654 646 irq266: ahci0 20242836 26 cpu1:timer 842936638 1110 cpu4:timer 840150578 1106 cpu6:timer 842568978 1110 cpu7:timer 839981052 1106 cpu3:timer 841067527 1108 cpu5:timer 839980632 1106 cpu2:timer 842451888 1109 Total 7243872308 9543 -- and here -- This idle system runs #r267282. I can't figure out what is getting accounted towards interrupt handling. P.S. Please CC me, thanks. Vlad