False, when you make a graph you can make many changes to it. It doesn't matter what kind of graph or where you make the graph on most applications you have to the option to make it exactly how you want it or change it after you have created it.
The answer to your question is software.
L1 Cache
There other cache levels but the most frequently used data is put in L1d (d for data) and L1i (i for instructions).