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B

Bottleneck Analysis Execution States

Appendix overview

The MDEX and PDEX displays group the Bottleneck Analysis execution states. The first line of the display is a subtotal covering the entire PSB group. The individual execution states comprising that subtotal follow, subject to the threshold specified using the MTHR minor command for MDEX, or the threshold percentage specified using the THRS minor command for PDEX.

The subtotals by group are not enclosed in parentheses, while the numbers for the individual execution states are, to visually distinguish them. The execution state groups are as follows:

CPU Usage Database I/O Waits MVS Waits IMS Waits

The following sections discuss these groups and the individual execution states which comprise them.

Appendix contents

CPU Usage. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using CPU in APPL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Using CPU in IMS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Database I/O Waits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . MVS Waits . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CPU Wait (CTL) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CPU Wait (DEP). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Swapping In . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CTL Private Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CTL EXT Priv Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DEP Private Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . DEP EXT Priv Page . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . LPA Page .............................................

200 200 201 202 203 203 203 203 203 204 204 204 204

Bottleneck Analysis Execution States

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