Re: the hunt for cfint

[Don <dr2@xxxxxxxxxxxx>]

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"                                           
>                     
>                     <srichter@AutoCoder       To:     
><MIDRANGE-L@midrange.com>                    
>                     .com>                     cc:                             
>                     
>                     Sent by:                  Subject:     the hunt for cfint 
>                     
>                     owner-midrange-l@mi                                       
>                     
>                     drange.com                                                
>                     
>                                                                               
>                     
>                                                                               
>                     
>                     05/01/2001 01:32 PM                                       
>                     
>                     Please respond to                                         
>                     
>                     MIDRANGE-L                                                
>                     
>                                                                               
>                     
>                                                                               
>                     
> 
> 
> 
> 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
> 
> 
> 
> 
> +---
> | This is the Midrange System Mailing List!
> | To submit a new message, send your mail to MIDRANGE-L@midrange.com.
> | To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com.
> | To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
> | Questions should be directed to the list owner/operator: david@midrange.com
> +---
> 

+---
| This is the Midrange System Mailing List!
| To submit a new message, send your mail to MIDRANGE-L@midrange.com.
| To subscribe to this list send email to MIDRANGE-L-SUB@midrange.com.
| To unsubscribe from this list send email to MIDRANGE-L-UNSUB@midrange.com.
| Questions should be directed to the list owner/operator: david@midrange.com
+---