> > I did a high level presentation of lesser known or hidden perf tooling > in RHEL7. > Thanks for bringing this to our attention. Both of your presentations have a lot to think about (and try). I am most interested in NUMA (numad), tuna and Infiniband monitoring and performance (as well as error trapping). We have issues with HPC codes not scaling as well as they should, and it is a rabbit-hole. Also, Infiniband is still something we struggle with from a performance and sometimes robustness perspective.