Back in the 6.1 release, IBM moved the Work with System Activity (WRKSYSACT) command from the Performance Tools licensed program product into the base operating system. WRKSYSACT has been around for a long time, but it has a few features that you may not be aware of.
(more…)Beginning with the 6.1 release, if you study the Collection Services database files carefully, you will discover a new field called “Scaled CPU time.”
(more…)This blog reviews a few of the key features of POWER7 that were initially supported in the IBM i 6.1.1 release. While this blog is a bit dated, some of the key concepts of SMT, energy management, and processor frequency remain applicable to current current generations of POWER hardware and IBM i releases. Links have been updated to reference current information on these topics.
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