HP Integrity NonStop J-Series - Manual (Page 36)

Guardian Performance Analyzer (GPA) User Guide
– (544541-006) Page 36 of 131
where:
measfile is the fully qualified file name you give to the measurement
data file.
xx:xx is the time in hours and minutes (on the 24-hour clock) at
which you want the measurement to begin.
yy:yy is the time at which you want the measurement to end.
h is the length in hours of the measurement interval.
Example
The following command begins the measurement at 9:00 AM, ends the measurement at
5:00 PM, specifies a one-hour data collection interval, and collects the data in the file
$PERF.DATA.JUN10:
+ START MEASUREMENT $PERF.DATA.JUN10, FROM 9:00, &
TO 17:00, INTERVAL 1 HOUR
If the program executes the command successfully, continue the procedure with Step 4. If
you get the following error message:
3219 MEASURE subsystem not currently running
do Step 3c, below, before Step 4. (You must have super group access to perform Step 3c.)
c. Start the Measure subsubsystem. Enter:
+ START MEASSUBSYS
Delete the measfile started in Step 3b. Enter:
+ DELETE MEASUREMENT measfile
Note
Be sure to perform this deletion, otherwise GPA will not be able to read the Measure data.
Reenter the START MEASUREMENT command from Step 3b.
4. When Measure has finished its run, determine the period for the GPA analysis as
follows:
a. Use MEASCOM to plot the CPU busy time for the measurement period. At the
TACL prompt, enter: