Date: Mon, 8 Oct 2007 16:31:07 +0200 From: Marc Fonvieille <blackend@freebsd.org> To: Jeff Roberson <jroberson@chesapeake.net> Cc: current@freebsd.org Subject: Re: ULE/yielding patch for testing. Message-ID: <20071008143107.GC22255@gothic.blackend.org> In-Reply-To: <20071008142721.GB22255@gothic.blackend.org> References: <20071006143141.GD976@gothic.blackend.org> <4707CF8D.3070303@u.washington.edu> <20071006191014.GB84780@abigail.blackend.org> <20071007012049.S912@10.0.0.1> <20071007013342.D912@10.0.0.1> <20071007095408.GA997@gothic.blackend.org> <20071007045911.Y912@10.0.0.1> <20071007130929.GA1132@gothic.blackend.org> <20071007114345.E912@10.0.0.1> <20071008142721.GB22255@gothic.blackend.org>
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On Mon, Oct 08, 2007 at 04:27:21PM +0200, Marc Fonvieille wrote: > > > > Is this a SMP kernel on a UP machine? If so can you try without SMP in > > your config? > > > > Without SMP and apic, the number of context switches is lower: > > procs memory page disks faults cpu > r b w avm fre flt re pi po fr sr ad4 cd0 in sy cs us sy id > 0 0 0 501656 89424 0 0 0 0 0 0 0 0 1266 3532 1511 8 7 86 > 0 0 0 501656 89424 0 0 0 0 0 0 0 0 1252 8127 964 11 6 83 > 1 0 0 501656 89424 0 0 0 0 0 0 0 0 1253 1514 973 2 7 92 > 3 0 0 501656 89424 2647 0 0 0 2662 0 6 0 1397 12460 2663 42 24 34 > 2 0 0 501656 89424 379 0 0 0 375 0 0 0 1307 16338 2528 81 17 2 > 4 0 0 501500 89424 5 0 0 0 0 0 0 0 1561 6544 1818 85 15 0 > 4 0 0 501300 89424 1693 0 0 0 1693 0 1 0 1507 9523 1780 86 14 0 > 3 0 0 501792 89424 876 0 0 0 873 0 3 0 1321 14872 1693 81 19 0 > 1 0 0 501580 89424 2674 0 0 0 2574 0 0 0 1305 10642 1690 88 12 0 > 2 0 0 501580 89424 876 0 0 0 866 0 0 0 1266 12783 2005 58 10 33 > 2 0 0 501580 89424 0 0 0 0 0 0 3 0 1291 1464 996 2 6 92 > > > but still a slightly higher than on 6.X, but I'm still experiencing > slowdown of webpage rendering during compilation. > The "slightly higher" is my fault, I was running an additional application compared to the previous test, without this app the result (the number of cs is identical). -- Marc
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