cpu timer issues

Jurgen Weber jurgen at ish.com.au
Wed Sep 29 04:05:19 UTC 2010

Interesting, using systat everything looks fine. The interrupts hang 
around 2000.



On 28/09/10 8:33 PM, borislav nikolov wrote:
> Hello,
> vmsat -i calculates interrupt rate based on interrupt count/uptime, and the interrupt count is 32 bit integer.
> With high values of kern.hz it will overflow in few days (with kern.hz=4000 it will happen every 12 days or so).
> If that is the case, use systat -vmstat 1 to get accurate interrupt rate.
> That is just fyi, because i was confused once and it scared me abit, and i started changing counters untill i noticed this.
> p.s. please forgive my poor english

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