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Date:      Sat, 2 Jun 2001 04:29:56 GMT
From:      dpreece@paradise.net.nz
To:        Dan Nelson <dnelson@emsphone.com>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: Hardware inturrupts mostly kiling 4.3R
Message-ID:  <20010602042956.9CDA91FA1F5@deborah.paradise.net.nz>

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> 290 ints/sec is fine.  The absolute minimum is 228, since there are
> always two clocks, running at 128Hz and 100Hz. Run systat -v to see
> the breakdown in real time (irq summary is on the right of the screen).

Ahh, yes. Some edited highlights of this:

 0.2%Sys  75.8%Intr  0.0%User  0.0%Nice 24.0%Idl   
|    |    |    |    |    |    |    |    |    |     
++++++++++++++++++++++++++++++++++++++     

So, the processor at 75% odd.

 cow     280 total
wire        stray irq7
act         ata0 irq14
inact       ata1 irq15
cache     1 xl0 irq9
free     51 xl1 irq10
daefr       sio0 irq4
prcfr   100 clk irq0
react   128 rtc irq8

Here are your two real time clocks, plus 51 interrupts from xl1. Given 
that I'm administering the machine from an SSL connection on xl1 I guess 
that's not surprising.

Load  0.08  0.04  0.01   

And userland not doing very much. In other words no real idea?

> 	Dan Nelson

Thanks,
Dave




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