Date: Thu, 6 Sep 2012 10:00:45 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Eugene Grosbein <egrosbein@rdtc.ru> Cc: pyunyh@gmail.com, freebsd-net@freebsd.org, Lev Serebryakov <lev@freebsd.org>, Ian Smith <smithi@nimnet.asn.au> Subject: Re: vr(4) troubles for AMD Geode CS5536 chipset Message-ID: <CAJ-Vmomedv-mEV3D1WHR9_eLirE=ORSVndeJJgpFweCuRPuyoA@mail.gmail.com> In-Reply-To: <5046FE57.3050903@rdtc.ru> References: <1865271844.20120829131610@serebryakov.spb.ru> <CAHu1Y70MynCMQTrJUMwTZ0%2BLrM1JiZFt_B77028XHfoiRgzmaA@mail.gmail.com> <1807373989.20120829223125@serebryakov.spb.ru> <20120830152726.A33776@sola.nimnet.asn.au> <534292400.20120830131158@serebryakov.spb.ru> <20120831180721.GB3208@michelle.cdnetworks.com> <50404F91.8080302@rdtc.ru> <20120903184049.GB3730@michelle.cdnetworks.com> <50443888.9080400@rdtc.ru> <20120903214333.GC3730@michelle.cdnetworks.com> <5044772C.8090302@rdtc.ru> <CAJ-VmonQhGShMASEkrxnrDU8xOQBJU%2BGnV0Nmeg4Lz2xACBRpw@mail.gmail.com> <5046FE57.3050903@rdtc.ru>
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On 5 September 2012 00:25, Eugene Grosbein <egrosbein@rdtc.ru> wrote: > 05.09.2012 14:03, Adrian Chadd пишет: >> waaaaaaaaait. >> >> Did you say that removing preemption from your kernel fixed your >> performance issues? > > Yes. Also, it seems my original vr(4) troubles (RX path problem) > have gone away since I run the kernel without preemption. Ok. Can you please compile up both a preempt and non-preempt 4BSD kernel with KTR enabled? That way we can capture some schedgraph traces and see what the heck is going on. THanks, Adrianhome | help
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