On Sat, Jul 28, 2007 at 12:52:00AM +0200, Markus Oestreicher wrote: > Gergely CZUCZY schrieb: > >Good morning, > >I've noticed 33K interrupts/sec on an em(4) gigabit interface on > >a box. This many interrupts seemed a bit too high, so I thought > >I should enable polling(4). After enabling it i've got 55K per > >second, even higher. > >I've just done "ifconfig em1 polling", and by this the number > >of interrupts increased. > > > How does vmstat -i look like before and after? lvs1:~# ifconfig em0 -polling; sleep 5; vmstat -i ;ifconfig em0 polling; sleep 5; vmstat -i
(without polling on em0) interrupt total rate irq14: ata0 60 0 irq15: ata1 1 0 irq16: uhci0 twe0 2507 1 irq17: fxp0 4922443 1987 irq18: em0 3302239 1333 cpu0: timer 4952925 1999 Total 13180175 5321 (with polling on em0) interrupt total rate irq14: ata0 60 0 irq15: ata1 1 0 irq16: uhci0 twe0 2508 1 irq17: fxp0 4965974 2000 irq18: em0 3302338 1330 cpu0: timer 4962989 1999 Total 13233870 5331 Sincerely, Gergely Czuczy mailto: [EMAIL PROTECTED] -- Weenies test. Geniuses solve problems that arise.
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