unix performance, solaris performance, linux performance, aix performance hp-ux performance, performance, performance tuning, hp-ux, linux, aix, solaris, sarcheck, performance analysis, system administration, sar, stan kelly-bootle, performance graphs, graphs, resource utilization graphs

sarcheck is a linux and unix performance analysis and performance tuning tool. it is designed to help you with performance management on most solaris, linux, aix, and hp-ux systems by making recommendations and explaining them with plain english text, supporting graphs, and tables