A course project for CSCB09: Software Tools and Systems Programming
C program that will report different metrics of utilization of a given system as described below
The program takes the following command lines:
--system to indicate that only the system usage should be generated
--user to indicate that only the users usage should be generated
--graphics to include graphical output in the cases where a graphical outcome is possible.
The following graphics will appear for Memory utilization:
::::::@ total relative negative change
######* total relative positive change
and for CPU utilization:
|||| positive percentage increase
--sequential to indicate that the information will be output sequentially without needing to "refresh" the screen (useful if you would like to redirect the output into a file)
--samples=N if used the value N will indicate how many times the statistics are going to be collected and results will be average and reported based on the N number of repetitions.
If not value is indicated the default value will be 10.
--tdelay=T to indicate how frequently to sample in seconds.
If not value is indicated the default value will be 1 sec.
The last two arguments can also be considered as positional arguments if not flag is indicated in the corresponding order: samples tdelay.
The reported "stats" include:
-
A user usage report on how many users are connected in a given time and how many sessions each user is connected to
-
A system usage report on how much utilization of the CPU is being done and how much utilization of memory is being done (report used and free memory).