Re: the hunt for cfint

Alexei,

I thought that the 400 was queue driven vs interupt driven....

Don



On Tue, 1 May 2001, Alexei Pytel wrote:

> 
> INT in CFINTn stands for INTerrupt, not for INTeractive as you might think.
> CFINTn tasks are used for many purposes - like I/O interrupt processing -
> which cannot be easily attributed to any particular job or task.
> On a busy system with lots of jobs, CFINT will be in 2-4% range. So what
> you see is a quite healthy indicator.
> 
>     Alexei Pytel
> 
> 
> 
>                                                                               
>                     
>                     "Steve Richter"                                           
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>                     <srichter@AutoCoder       To:     
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>                     Sent by:                  Subject:     the hunt for cfint 
>                     
>                     owner-midrange-l@mi                                       
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>                     drange.com                                                
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>                     05/01/2001 01:32 PM                                       
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> 
> 
> I work on a 720, processor type 206C.  The 206C, ( a cpu type that I dont
> find in my v4r5 system handbook)  is the feature that enables the 720 to
> run interactive jobs w/o penalty.
> 
> But when I WrkSysAct, I see CFINT01 using 2, 3, 4 pct of the system.
> 
> The workload on this system is traditional batch and 5250 interactive.
> Many remote users.  No web or domino serving.
> 
> And when I try to simulate heavy interactive cpu usage by signing onto 6 or
> so terminals and running a pgm that continuously writes to the display, cpu
> usage goes to 95 pct but CFINT stays in the 2 to 4 range.
> 
> What is CFINT on a 720/206C running in response to?
> 
> Steve
> 
> 
> 
> 
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