Date: Wed, 21 Jul 2010 22:52:49 -0700 (PDT) From: Doug Barton <dougb@FreeBSD.org> To: Andriy Gapon <avg@icyb.net.ua> Cc: freebsd-current@FreeBSD.org Subject: Re: Why is intr taking up so much cpu? Message-ID: <alpine.BSF.2.00.1007212251310.1764@qbhto.arg> In-Reply-To: <4C475A87.20100@icyb.net.ua> References: <F653FF83-D9CF-42A2-AE9A-B8F914090065@FreeBSD.org> <alpine.BSF.2.00.1007171208010.1538@qbhto.arg> <20100717192128.GM2381@deviant.kiev.zoral.com.ua> <alpine.BSF.2.00.1007180113370.1707@qbhto.arg> <20100718103003.GO2381@deviant.kiev.zoral.com.ua> <4C43541C.3060101@FreeBSD.org> <20100718194109.GU2381@deviant.kiev.zoral.com.ua> <4C435CBE.50500@FreeBSD.org> <20100718202338.GI5485@dan.emsphone.com> <alpine.BSF.2.00.1007192259170.1725@qbhto.arg> <20100720164600.GA85770@dan.emsphone.com> <alpine.BSF.2.00.1007202342350.1717@qbhto.arg> <4C46AAD0.5080003@icyb.net.ua> <alpine.BSF.2.00.1007211145410.1737@qbhto.arg> <4C475A87.20100@icyb.net.ua>
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On Wed, 21 Jul 2010, Andriy Gapon wrote: > I didn't mean your manual tuning, I meant how the system is configured :-) E.g. > the relevant sysctl tree. Duh. :) Sorry. sysctl -a | grep timer kern.eventtimer.choice: LAPIC(500) HPET(450) HPET1(440) HPET2(440) i8254(100) RTC(0) kern.eventtimer.et.LAPIC.flags: 15 kern.eventtimer.et.LAPIC.frequency: 83223728 kern.eventtimer.et.LAPIC.quality: 500 kern.eventtimer.et.HPET.flags: 3 kern.eventtimer.et.HPET.frequency: 14318180 kern.eventtimer.et.HPET.quality: 450 kern.eventtimer.et.HPET1.flags: 3 kern.eventtimer.et.HPET1.frequency: 14318180 kern.eventtimer.et.HPET1.quality: 440 kern.eventtimer.et.HPET2.flags: 3 kern.eventtimer.et.HPET2.frequency: 14318180 kern.eventtimer.et.HPET2.quality: 440 kern.eventtimer.et.RTC.flags: 17 kern.eventtimer.et.RTC.frequency: 32768 kern.eventtimer.et.RTC.quality: 0 kern.eventtimer.et.i8254.flags: 1 kern.eventtimer.et.i8254.frequency: 1193182 kern.eventtimer.et.i8254.quality: 100 kern.eventtimer.timer2: HPET kern.eventtimer.timer1: LAPIC kern.eventtimer.singlemul: 2 net.inet.tcp.timer_race: 0 net.inet.tcp.per_cpu_timers: 0 machdep.acpi_timer_freq: 3579545 p1003_1b.timers: 200112 p1003_1b.delaytimer_max: 2147483647 p1003_1b.timer_max: 32 dev.acpi_timer.0.%desc: 24-bit timer at 3.579545MHz dev.acpi_timer.0.%driver: acpi_timer dev.acpi_timer.0.%location: unknown dev.acpi_timer.0.%pnpinfo: unknown dev.acpi_timer.0.%parent: acpi0 dev.attimer.0.%desc: AT timer dev.attimer.0.%driver: attimer dev.attimer.0.%location: handle=\_SB_.PCI0.ISAB.TMR_ dev.attimer.0.%pnpinfo: _HID=PNP0100 _UID=0 dev.attimer.0.%parent: acpi0 dev.pmtimer.0.%driver: pmtimer dev.pmtimer.0.%parent: isa0 -- Improve the effectiveness of your Internet presence with a domain name makeover! http://SupersetSolutions.com/ Computers are useless. They can only give you answers. -- Pablo Picasso
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