Today I stumbled again over some HeatMaps from Brendan Gregg (of DTrace-fame). This time it was the PDF of his presentation [1] at the LISA 2010 conference. It shows nicely how he plans to evolve it from a single-machine (like in Analytics for Oracle Storage products) to the cloud. It is a very good overview about what kind of intuitive performance visualization you can do with this.
I would love to see something for FreeBSD (or other performance data). Maybe someone could take the DTraceTazTool [2] as a base or hint and write something generic which works for a lot of things…
There are just too much nice and interesting things out there, and not enough time for all of them.
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