Coskan Gundogar and Karl Arao have written two interesting articles about Oracle performance analysis and visualization, check these out!
Note that in March I will be releasing PerfSheet v3.0, which will have lots of improvements! ;-)
NB! Check out my 2019 online training classes here!
Practical Linux Performance & Application Troubleshooting training (new),
Advanced Oracle SQL Tuning training,
Advanced Oracle Troubleshooting training.
In addition to the online classes, all attendees will receive personal downloadable video recordings too!