This tool, together with timeplot (http://github.com/jkff/timeplot), aims to make tasks of visualizing/analyzing system behavior based on log files into shell one-liners. See presentation: http://www.slideshare.net/jkff/two-visualization-tools or download: http://jkff.info/presentations/two-visualization-tools.pdf Also see current documentation page: http://www.haskell.org/haskellwiki/Splot Also see hackage package: http://hackage.haskell.org/package/splot