This is an implementation and expantion of the Performance Spectrum visualisation. All credit goes to the orginal authors:
Denisov, V., Belkina, E., Fahland, D., & van der Aalst, W. M. P. (2018). The performance spectrum miner: visual analytics for fine-grained performance analysis of processes. In F. Casati (Ed.), BPMTracks 2018 (pp. 96-100). (CEUR Workshop Proceedings; Vol. 2196). CEUR-WS.org. https://research.tue.nl/en/publications/the-performance-spectrum-miner-visual-analytics-for-fine-grained-