Date: Wed, 08 Jun 2011 20:34:42 +0300 From: Alexander Motin <mav@FreeBSD.org> To: Andrey Smagin <samspeed@mail.ru> Cc: FreeBSD-Current <freebsd-current@freebsd.org> Subject: Re: 2 day GENERIC-current eat 2 CPU core at 100% Message-ID: <4DEFB2B2.3020404@FreeBSD.org> In-Reply-To: <mailpost.1307467793.8724611.13378.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw> References: <201106071034.01475.hselasky@c2i.net> <mailpost.1307467793.8724611.13378.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw>
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On 07.06.2011 20:12, Andrey Smagin wrote: > vmstat -i > interrupt total rate > irq16: uhci3 205 0 > irq20: hpet0 147924380 1126 > irq23: uhci0 ehci0 522517 3 > total 148447102 1130 > > Tue, 7 Jun 2011 10:34:01 +0200 письмо от Hans Petter Selasky<hselasky@c2i.net>: > >> On Tuesday 07 June 2011 10:09:47 Andrey Smagin wrote: >>> I upgraded 2 day ago from 2010xxxx-current box on Intel D525MW. >>> System very slow down after that. >>> kern.hz=50 >>> in systat -vmstat - 140hpet interrupts/s >>> at top 25% in interrupts 25% in system >>> because hyperthreading system found 4 cpu. >> >> What does vmstat -i output? Send me please full verbose dmesg and output of the `sysctl kern.eventtimer` and `sysctl kern.timecounter`. Try to switch to another timer: sysctl kern.eventtimer.timer=LAPIC Try to switch to periodic timers (instead): sysctl kern.eventtimer.periodic=1 -- Alexander Motin
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