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Re: High interrupt CPU usage in top


From: Oliver Fromme <check+j0i3ol00rsdubxdy@xxxxxxxxxx>
Date: 07 Jun 2006 17:44:32 GMT

Mark Cullen <mark.r.cullen@xxxxxxxxx> wrote:
 > Taken when the interrupt in top was at 22%, building world:
 > 
 > 320 total
 > 279 clk
 > 37  fxp0
 > 4   ata1
 > 
 > Taken when the interrupt in top was at 5%, still building world:
 > 
 > 288 total
 > 281 clk
 > 7   fxp0
 >     ata1
 > 
 > Watching it in real-time there are some spikes where either fxp0 or ata1 
 > will go up to about ~40-60, but it doesn't really seem to relate to the 
 > number seen in top if you ask me...

All of that looks quite normal.  It certainly shouldn't
account for a significant CPU interrupt percentage.
Either top(1) is lying, or something else is fishy.

Best regards
   Oliver

-- 
Oliver Fromme,  secnetix GmbH & Co. KG, Marktplatz 29, 85567 Grafing
Dienstleistungen mit Schwerpunkt FreeBSD: http://www.secnetix.de/bsd

Any opinions expressed in this message may be personal to the author
and may not necessarily reflect the opinions of secnetix in any way.



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