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From: Denis Vlasenko <vda@port.imtp.ilyichevsk.odessa.ua>
To: "John Que" <qwejohn@hotmail.com>, linux-kernel@vger.kernel.org
Subject: Re: NIC inerrupt
Date: Mon, 19 Apr 2004 15:54:19 +0300
References: <BAY14-F34eqdGSyMp690005e9f6@hotmail.com>
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On Monday 19 April 2004 15:46, John Que wrote:
> Hello,
>
> I want to count the number of times I reach an NIC receive
> interrupt.
>
> I added a global static variable of type int , and initialized
> it to 0 ; each time I am in the rx_interrupt of the card I incerement
> it by one;
> I got large , non sensible numbers after one or two seconds;
>
> So  for debug I added printk each time I increment it in rx_interrupt.
>
> What I see is that there are  unreasonable jumps in the number
>
> for instance , it inceremnts sequntially from 1 to 80,then jums to 4500,
> increments a little sequentially to 4580, and the jums again to
> 11000 ;
>
> Is it got to do with it that this is in interrupt?
> Any idea what it can be ?
>
>
> (I also tried to declare it as static in the rx_interrupt method
> and the same happened)

Show your code
-- 
vda
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