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Al Sherkow’s Workload License Charges Seminar© - page 12 / 18

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zIIP Demand

  • Notice There Are Many ‘*’s Below 15 Minutes

    • In This Example 1 zIIP is Installed

    • If the zIIP is Busy Work May Wait,

    • Or With z/OS Alternate Wait Management May Execute on a GP

      • Only zIIP Work That Runs on a GP is Marked as “Eligible”

    • If It Waits and Eventually Runs on a zIIP, Then It Is CPU time On A zIIP, (not zIIP Eligible Time)

  • A Few ‘*’s Above 15 Minutes

    • Two zIIPs Are Needed for This Workload

  • Technically, If a zIIP Was Added To This LPAR

    • It Would Be Used

    • But, What Is the Value?

©Al Sherkow, I/S Management Strategies, Ltd., 2007, All Rights of Reproduction Reserved.

Sherkow CMG 2007—

LPAR’s 4 HR Rolling Average (Starting Point)

©Al Sherkow, I/S Management Strategies, Ltd., 2007, All Rights of Reproduction Reserved.

Sherkow CMG 2007—

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