Date: Fri, 16 Sep 2005 11:23:46 -0400 From: Kris Kennaway <kris@obsecurity.org> To: Oliver Lehmann <lehmann@ans-netz.de> Cc: current@freebsd.org, Kris Kennaway <kris@obsecurity.org> Subject: Re: low(er) disk performance with sched_4bsd then with sched_ule Message-ID: <20050916152346.GA27708@xor.obsecurity.org> In-Reply-To: <20050916163726.729ada59.lehmann@ans-netz.de> References: <20050914194612.15692485.lehmann@ans-netz.de> <43286E37.40203@samsco.org> <20050914222013.178dc4dc.lehmann@ans-netz.de> <84dead72050914135239514c49@mail.gmail.com> <20050915000053.448f251b.lehmann@ans-netz.de> <84dead7205091500152a7c25d1@mail.gmail.com> <20050915172005.072f4bdf.lehmann@ans-netz.de> <20050915181238.54b16b4b.lehmann@ans-netz.de> <20050915213719.GA26998@xor.obsecurity.org> <20050916163726.729ada59.lehmann@ans-netz.de>
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[-- Attachment #1 --] On Fri, Sep 16, 2005 at 04:37:26PM +0200, Oliver Lehmann wrote: > Hi Kris, > > Kris Kennaway wrote: > > > What about using schedgraph as I suggested previously? > > After I installed py24-tkinter and all the dependencies, I recompiled the kernel and so on, but it seems not to work: > > root@nudel olivleh1> dd if=/dev/zero of=/mnt/files/test.dd bs=64k count=32000 > 32000+0 records in > 32000+0 records out > 2097152000 bytes transferred in 379.623777 secs (5524290 bytes/sec) > root@nudel olivleh1> ktrdump -ct > ule.ktr.out > root@nudel olivleh1> grep ULE /usr/src/sys/i386/conf/NUDEL > options SCHED_ULE And you enabled the correct KTR options in your kernel, right? Kris [-- Attachment #2 --] -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2 (FreeBSD) iD8DBQFDKuOCWry0BWjoQKURAse4AKDWbvjtmPiSFqvYOLdNczqoBd318QCeNVaQ +4JyiI935NVVrBFnBXIrfDw= =CFoY -----END PGP SIGNATURE-----
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