Re: Measuring tools - top and interrupts

[Erik Mouw]

On Thu, Jun 22, 2006 at 08:26:21AM -0700, Danial Thom wrote:
> Running 2.6.17, it seems that top is reporting
> 100% idle with a network load of about 75K pps
> (bridged) , which seems unlikely. Is it possible
> that system load accounting is turned off by some
> tunning knob?

75K packets/s isn't too hard for modern NICs, especially when using
NAPI.

> Is there something that shows the current
> interrupts/second in LINUX (such as systat in
> 'BSD)?

"vmstat 1Ł has the number of interrupts in the "in" column.


Erik

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+-- Erik Mouw -- www.harddisk-recovery.com -- +31 70 370 12 90 --
| Lab address: Delftechpark 26, 2628 XH, Delft, The Netherlands
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