Date: Thu, 6 Oct 2011 16:17:09 +0000 From: Alexander Best <arundel@freebsd.org> To: KES <kes-kes@yandex.ua> Cc: freebsd-questions@freebsd.org Subject: Re: problems with IRQ Message-ID: <20111006161709.GA29578@freebsd.org> In-Reply-To: <92791317911917@web16.yandex.ru> References: <92791317911917@web16.yandex.ru>
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On Thu Oct 6 11, KES wrote: > system work fine, but systat -v show wrong results in compare with vmstat -i > seems counter overflow or so.. i'd rather suspect that systat(1) is querying different variables/structures than vmstat(8). their output is different on my system too and after only a few hours of uptime and very little interrupts, i would rule out a counter overflow. cheers. alex > > systat -v > 2 users Load 0.95 1.13 1.15 Oct 6 17:36 > > Mem:KB REAL VIRTUAL VN PAGER SWAP PAGER > Tot Share Tot Share Free in out in out > Act 342596 6396 813716 9244 1395872 count > All 527128 10356 3002896 39336 pages > Proc: Interrupts > r p d s w Csw Trp Sys Int Sof Flt 31 cow 254k total > 50 557k 2614 14k 237k 4028 449 127 zfod atkbd0 1 > 2 ozfod 12 ata0 14 > 9.1%Sys 21.7%Intr 1.6%User 0.0%Nice 67.6%Idle 1%ozfod 221k ehci0 16 > | | | | | | | | | | | daefr 2 ehci1 23 > =====++++++++++> 37 prcfr 4130 cpu0:timer > 42 dtbuf 314 totfr 15799 re0 256 > Namei Name-cache Dir-cache 142271 desvn react 4131 cpu1:timer > Calls hits % hits % 87941 numvn pdwak 4129 cpu3:timer > 6158 5762 94 35563 frevn pdpgs 4130 cpu2:timer > intrn > Disks ad0 da0 pass0 298480 wire > KB/t 18.79 0.00 0.00 193600 act > tps 12 0 0 2103500 inact > MB/s 0.22 0.00 0.00 9180 cache > %busy 0 0 0 1386692 free > > > # vmstat -i > interrupt total rate > irq1: atkbd0 2536 0 > irq14: ata0 8516926 9 > irq16: ehci0 2233740154 2585 > irq23: ehci1 2594742 3 > cpu0:timer 3562265448 4122 > irq256: re0 2291967374 2652 > cpu1:timer 3562481709 4123 > cpu3:timer 3479157511 4026 > cpu2:timer 3555645238 4115 > Total 18696371638 21638 > > thank you.
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