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SubjectRe: Measuring tools - top and interrupts


--- Francois Romieu <romieu@fr.zoreil.com> wrote:

> Danial Thom <danial_thom@yahoo.com> :
> [bull removed]
>
> You have been told twice in this thread to use
> vmstat.
>
> Read again and shut up until you can provide a
> sensible bug report,
> thank you.

vmstat gives the same #s as top, and it doesn't
break down the interrupts, so its not the answer
to the question "is there something similar to
systat". Plus its clear that the guy who gave the
answer doesn't know what he's talking about,
since he's actually trying to explain away the
problem as being normal.

Here's a sensible bug report. Bridging 75K pps.
vmstat output:

0 0 0 425424 9984 40496 0 0 0
0 16238 12 0 0 100 0
0 0 0 425424 9984 40496 0 0 0
0 16227 16 0 0 100 0
0 0 0 425424 9984 40496 0 0 0
0 16244 9 0 0 100 0

Over 16,000 interrupts per second and 100% idle.

netstat:

eth2 1500 0 5 0 0 468886
0 0 0 BMRU
eth3 1500 473201 0 5680 0 5
0 0 0 BMRU

the system is perpetually 100% idle but its
dropping packets due to excessive backlog.

DT


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