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I/O count from joblog

 
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astro
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Joined: 05 Oct 2005
Posts: 31
Topics: 7

PostPosted: Thu Mar 11, 2010 2:47 pm    Post subject: I/O count from joblog Reply with quote

Dear Friends,

From the job log I will be able to take CPU time and Elapsed time.

Would any body tell me how to take the I/O count from joblog?

Thanks in advance for your reply
astro
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papadi
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Joined: 20 Oct 2009
Posts: 594
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PostPosted: Thu Mar 11, 2010 5:55 pm    Post subject: Reply with quote

Look at EXCPs (Execute Channel Program).
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di
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Bill Dennis
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Joined: 03 Dec 2002
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PostPosted: Fri Mar 12, 2010 11:02 am    Post subject: Reply with quote

Your site must use an SMF exit routine to write the end-of-step stats (such as EXCP count) to the JOBLOG. This is not a default action. Search for IEFACTRT.
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astro
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Joined: 05 Oct 2005
Posts: 31
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PostPosted: Wed Mar 17, 2010 2:12 pm    Post subject: Reply with quote

Thanks papadi & Bill Dennis.

Just to confirm, let me ask again..

In our job log, I could see following lines,
-STEPNAME PROCSTEP RC EXCP CONN TCB SRB CLOCK SERV WORKLOAD PAGE SWAP VIO SWAPS.

So Papadi, you mean to say the number that appears under EXCP is the I/O count of that particular step. If I need the total I/O of the job then I need to sum the I/O count of all the steps in that job. Am I right?

Thanks
Astro
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papadi
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Joined: 20 Oct 2009
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PostPosted: Wed Mar 17, 2010 2:30 pm    Post subject: Reply with quote

Quote:
the number that appears under EXCP is the I/O count of that particular step. If I need the total I/O of the job then I need to sum the I/O count of all the steps in that job. Am I right?
Basically, yes. Keep in mind that 1 excp does not always equal 1 i/o, but the numbers are quite close. Also, keep in mind that the count is physical records (blocks) rather than logical records (what a program reads).
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