GPA Manual

Using GPA Information
Guardian Performance Analyzer (GPA) Manual135081
4-39
CPU Cache Change Analysis
CPU Cache Change Analysis
Example 4-46 is a detailed report displaying the CPU Cache Change Analysis.
The recommended CPU and change analysis factors in the PUPIN/SCFIN file are the
following:
(5) I-O Req/Sec: The disk I/O request rate per second.
(6) Old Cache: The original cache pages.
(7) New Cache: The new cache pages.
(8) Delta Cache: The difference between the new and old cache pages.
Example 4-46. CPU Cache Change Analysis
CPU Cache Change Analysis
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CPU Old Old Old New New New Delta Delta
NUM Discs Reqs Cache Discs Reqs Cache Cache Discs
--- ----- ---- ----- ----- ---- ----- ----- ------
0 5 30 641 641 5
1 5 30 545 5 18 814 269
2 5 18 772 772- 5-
3 2 14 448 448 2
4 2 14 332 332- 2-
--- ----- ---- ----- ----- ---- ----- ----- ------
TOTAL 5 12 62 1649 12 62 1903 254 0
(1) CPU NUM: The identification number of the processor.
(2) Old Discs: The original disk.
(3) Old Reqs: The original disk requests.
(4) Old Cache: The original cache pages.
(5) New Discs: The new disk currently handled.
(6) New Reqs: The new disk requests.
(7) New Cache: The new cache pages.
(8) Delta Cache: The difference between the new and old cache pages.
(9) Delta Discs: The difference between the number of the original disk and the
number of the new disk currently being handled.