vampirtrace

Oh, and I finally got Vampirtrace to work, only to realise that it isn't that great for tracing Python code: it only seems to display communication routine calls, while it would be very useful for me to track other events, e.g. function calls. Ideally I would want to use some tool that combines profiling based on PC sampling together with MPI tracing and visualises that in some human-friendly way. However, even being able to manually set events or labels and track when and how many times the application triggers them would do. MPE seems to be capable of that, I'll try it out later on.