GPA Manual

Running GPA
Guardian Performance Analyzer (GPA) Manual—135081
2-5
The GPA Procedure
When the MEASCOM prompt (+) appears, enter:
+ START MEASSUBSYS
You can also start the Measure subsystem in noninteractive mode by using the
command:
2> MEASCOM START MEASSUBSYS
After you start the Measure subsystem, log on with your normal user ID and
continue the procedure with Step 3.
3. Start the Measure run as follows:
a. At the TACL prompt (>), enter:
3> MEASCOM
b. When the MEASCOM prompt (+) appears, enter the following commands line
by line:
+ ADD CPU *
+ ADD PROCESS *
+ ADD DISC *
+ ADD SERVERNET * (This command is optional, used only if
the operating system is G02 or later.)
+ START MEASUREMENT measfile, FROM xx:xx, TO &
yy:yy, INTERVAL h HOUR(S)
where:
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
Note. You must be logged on as a super group user to invoke the START MEASSUBSYS
command.
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.