Date: Tue, 5 Nov 2013 06:53:12 -0800 From: Adrian Chadd <adrian@freebsd.org> To: Oliver Pinter <oliver.pntr@gmail.com> Cc: Davide Italiano <davide@freebsd.org>, Alexander Motin <mav@freebsd.org>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>, "current@freebsd.org" <current@freebsd.org> Subject: Re: [10-STABLE, 11-CURRENT] something wrong between cam and eventtimer or geom and eventtimer Message-ID: <CAJ-Vmokx6iLcNqjPzVB%2BHxsQxN4NaLkV1%2BEGREOsW7SyjqFNcw@mail.gmail.com> In-Reply-To: <CAPjTQNF5Q=sPaTSpjnwpVOjiM9e70T0ve-GQ71Sv0zHx_Az7dg@mail.gmail.com> References: <CAPjTQNF5Q=sPaTSpjnwpVOjiM9e70T0ve-GQ71Sv0zHx_Az7dg@mail.gmail.com>
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Hi! Can you do 'sysctl dev.cpu' please? I'd like to see what sleep state(s) your CPU is entering. Thanks! -adrian On 5 November 2013 06:07, Oliver Pinter <oliver.pntr@gmail.com> wrote: > Hi all! > > The machine is a Haswell machine, the disc performance was very poor > (20-30MByte/sec). > When I change the kern.eventtimer.idletick from 0 to 1, the normal > performance restored back to normal (70-90MByte/sec). > > The default eventtimer was LAPIC. > > On other machine Q9300, this was fully reproducible. > _______________________________________________ > freebsd-current@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-current > To unsubscribe, send any mail to "freebsd-current-unsubscribe@freebsd.org"
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