From owner-freebsd-performance@FreeBSD.ORG Tue Jun 13 18:23:42 2006 Return-Path: X-Original-To: freebsd-performance@freebsd.org Delivered-To: freebsd-performance@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 723B416A41B for ; Tue, 13 Jun 2006 18:23:42 +0000 (UTC) (envelope-from danial_thom@yahoo.com) Received: from web33304.mail.mud.yahoo.com (web33304.mail.mud.yahoo.com [68.142.206.119]) by mx1.FreeBSD.org (Postfix) with SMTP id 13E3743D46 for ; Tue, 13 Jun 2006 18:23:42 +0000 (GMT) (envelope-from danial_thom@yahoo.com) Received: (qmail 76246 invoked by uid 60001); 13 Jun 2006 18:23:28 -0000 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:Received:Date:From:Reply-To:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type:Content-Transfer-Encoding; b=b0o1m8kfJsLzMLLyQFqu5hTpY1SnEYfMrp/2nOTCSwpf+zGNV5DEIvZvfpUMJ6M/kvJ0oAQ72GmGxUDQw6UvkiK8t2H4EGRTag9hVZVb5KNIAIxjHv5MHTV0CALsVXUzc8ek8VZsK4GGTxUepjxVftBvrGIkW4YOyfUkpzELpSs= ; Message-ID: <20060613182328.76244.qmail@web33304.mail.mud.yahoo.com> Received: from [65.34.182.15] by web33304.mail.mud.yahoo.com via HTTP; Tue, 13 Jun 2006 11:23:28 PDT Date: Tue, 13 Jun 2006 11:23:28 -0700 (PDT) From: Danial Thom To: Robert Watson In-Reply-To: <20060613175531.S26068@fledge.watson.org> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit Cc: freebsd-performance@freebsd.org, David Xu Subject: Re: Initial 6.1 questions X-BeenThere: freebsd-performance@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: danial_thom@yahoo.com List-Id: Performance/tuning List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 Jun 2006 18:23:42 -0000 --- Robert Watson wrote: > On Tue, 13 Jun 2006, Danial Thom wrote: > > >> I didn't answer it because I don't know what > output cpustat provides. What > >> output does cpustat provide on DragonflyBSD? > > > > Its a simple output such as: > > > > CPU-0 state: 14.00% user, 0.00% nice, > 2.00% > > sys, 6.00% intr, 78.00% idle > > CPU-1 state: 4.00% user, 0.00% nice, > 17.00% > > sys, 2.00% intr, 77.00% idle > > > > Of course, hp-ux type output for top would be > > ideal: > > > > Load averages: 0.27, 0.28, 0.28 > > 203 processes: 186 sleeping, 17 running > > Cpu states: > > CPU LOAD USER NICE SYS IDLE BLOCK > > SWAIT INTR SSYS > > 0 0.05 0.0% 0.0% 0.0% 100.0% 0.0% > > 0.0% 0.0% 0.0% > > 1 0.92 0.0% 0.0% 0.0% 100.0% 0.0% > > 0.0% 0.0% 0.0% > > 2 0.03 0.0% 0.0% 0.0% 100.0% 0.0% > > 0.0% 0.0% 0.0% > > 3 0.08 0.0% 0.0% 0.0% 100.0% 0.0% > > 0.0% 0.0% 0.0% > > --- ---- ----- ----- ----- ----- ----- > > ----- ----- ----- > > avg 0.27 0.0% 0.0% 0.0% 100.0% 0.0% > > 0.0% 0.0% 0.0% > > > > What is the plan for FreeBSD, as I don't see > that top shows any distribution > > among cpus? > > top displays some CPU information, especially > with -S which shows you the > level of activity for the idle thread on each > CPU. The above looks useful, > and should be fairly easy to add. I've been > thinking about adding a few new > pages to systat output: > > - Kernel memory allocator stats, based on > memstat/memtop (and similar to what > vmstat -z and vmstat -m show). > - CPU statistics such as the above. > > I think there are some patches floating around > already that gather per-cpu > cp_time measurements, but Kris has commented to > me that they reduce > performance somewhat, so I'll have to > investigate some. That may be a caching > effect of some sort. Maybe someone can explain this output. The top line shows 99.6%idle. Is it just showing CPU 0s stats on the top line? last pid: 705; load averages: 0.06, 0.02, 0.00 up 0+00:29:36 14:22:42 69 processes: 3 running, 48 sleeping, 18 waiting CPU states: 0.0% user, 0.0% nice, 0.4% system, 0.0% interrupt, 99.6% idle Mem: 8160K Active, 8108K Inact, 17M Wired, 9712K Buf, 461M Free Swap: 512M Total, 512M Free PID USERNAME THR PRI NICE SIZE RES STATE C TIME WCPU COMMAND 11 root 1 171 52 0K 8K RUN 1 28:58 98.97% idle: cpu1 12 root 1 171 52 0K 8K CPU0 0 27:34 77.64% idle: cpu0 23 root 1 -68 -187 0K 8K WAIT 0 1:07 17.14% irq21: em1 __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com