'top' showing high interrupt rate
wmoran at potentialtech.com
Wed May 21 07:42:04 PDT 2003
Paul Hamilton wrote:
> I noticed that top shows a rather high interrupt rate, usually hovering
> around 60%! Here is a sample:-
> last pid: 2879; load averages: 0.34, 0.24, 0.18
> up 1+17:26:56 17:18:10
> 36 processes: 2 running, 33 sleeping, 1 zombie
> CPU states: 0.6% user, 0.0% nice, 0.0% system, 59.8% interrupt, 39.6%
> Mem: 11M Active, 5072K Inact, 7988K Wired, 3552K Cache, 6480K Buf, 960K Free
> Swap: 128M Total, 4608K Used, 123M Free, 3% Inuse
> Anyone have any idea how to troubleshoot further? How can I isolate what is
> causing the rather high interrupt rate?
Run systat and then type ":vmstat" (without quotes) to get the vmstat screen.
The lower right will have interrupts broken down by device ... this should help.
I'm looking for work:
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