1. CpuScope To insert your company logo on this slide From the Insert Menu Select “Picture” Locate your logo file Click OK To resize the logo Click anywhere inside the logo. The boxes that appear outside the logo are known as “resize handles.” Use these to resize the object. If you hold down the shift key before using the resize handles, you will maintain the proportions of the object you wish to resize.

2. The problem Performance is a matter of psychology … subject to sufficient resources Peeks give bad impression and seem to be remembered forever Not all users are equal…

3. Peeks - why? Batch jobs - runs interactively Loops Abuse of I/O

4. The Diary Yearly time table to define special dates: –regular day –weekend –holiday –end of month –end of year

5. The solution - New Process Reduce priority of resource hogs Adjust time slice and purge Keep new situation for “a punishment time” Inform operator Call user exit program Log

6. Time sets Time for new date start - 8:00 am not 24:00 Group days to create: – “Working hours” –“After hours” –“Night shift” –“End of month”

7. The Rule Table Up to 1000 rules Each is based by: –Time set (in or out of) –Identification of the job (name*, user*, subsystem*) –Identification of situation (priority range, CPU%, IO%)

8. Other points Modified WRKACTJOB: option 2=CHGJOB is replaced to CHGCPJOB List of jobs being treated History