GPA Manual for G-series RVUs
Guardian Performance Analyzer (GPA) Manual – (544977-001) Page 46 of 106
these two old items (unit number and controller number) are obsolete on operating
system G02 and later.
Example 3-8. Disk Volume Performance Analysis: ServerNet Systems
DISK VOLUME PERFORMANCE ANALYSIS
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10 11
VOLUME CPUS GRP MOD SLT REQUEST AVG PROCESS REQUEST CACHE CACHE
NAME NUM NUM NUM QUEUE DEVICE BUSY% RATE HIT CALLS PER
PC:BC TIME BUSY% /SECOND RATE% REQUEST
------- ----- --- --- --- ------- ----- ------- ------- ----- --------
$SYSTEM 0: 1 1 1 15 25.11 18.91 7.25 12.12 66.1 1.0
$NSMS 2: 3 2 1 15 24.26 0.00 6.36 4.03 99.9 1.2
$PROJEC 2: 3 2 1 7 114.23 0.00 5.63 1.06 99.7 1.2
$DRIVER 0: 1 3 4 11 26.49 1.93 0.88 1.09 90.7 0.9
$XPRESS 2: 3 4 1 15 51.38 0.00 1.72 0.00 52.6 1.3
$MEAS 2: 3 4 1 3 56.45 0.00 0.54 0.00 0.0 2.6
$G02 0: 1 3 1 11 0.00 0.41 0.19 0.00 0.0 4.0
$X42 2: 3 1 1 12 0.00 0.00 0.50 0.00 0.0 6.0
The three new items provide the following information:
(3)
GRP NUM: The group number of the physical location address.
(4)
MOD NUM: The module number of the physical location address.
(5)
SLT NUM: The slot number of the physical location address.
Cache Performance Analysis
This section of the report (Example 3-9) is a table that shows cache block data for
each of the disk volumes in the system. For each volume, the table gives information
for each size of cache block (512 bytes, 1024 bytes, 2048 bytes, and 4096 bytes):