Date: Mon, 8 Oct 2007 16:27:21 +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: <20071008142721.GB22255@gothic.blackend.org> In-Reply-To: <20071007114345.E912@10.0.0.1> References: <4707866F.7030605@FreeBSD.org> <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>
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On Sun, Oct 07, 2007 at 11:44:13AM -0700, Jeff Roberson wrote: > On Sun, 7 Oct 2007, Marc Fonvieille wrote: > >> On Sun, Oct 07, 2007 at 05:00:05AM -0700, Jeff Roberson wrote: >>>> >>>> You mean Xorg 7.2 or 7.3 with -CURRENT? >>>> Currently I observe the problem with Xorg 7.2 or 7.3 under -CURRENT, >>>> when Xorg 7.2 with 6.2-STABLE is Ok (I did not try with Xorg 7.3 on >>>> -STABLE, but I'm quite sure I'll end to same result). >>>> On a completly different machine (a more recent one with a 2.8GHz >>>> Celeron), the problem could be less obvious cause of the machine speed >>>> but I can notice the difference between 6.2-STABLE and 7-CURRENT with >>>> any Xorg version. >>> >>> Can you give a dozen lines of 'vmstat 1' output while rendering this >>> page in >>> 7.0 and 6.2? >>> >> >> I attached the logs while rendering a french newspaper page. > > 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. -- Marc
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