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If you already have kernel sources:
git clone foo git --track remote add jauu git.jauu.net git remote update jauu git checkout -b dev-perf-studio git pull jauu perf-studio
If not:
git clone git.jauu.net/var/linux
make WERROR=0 prefix=/usr/local # installing required because if image paths su -c 'make prefix=/usr/local install' ./perf studio
Extending Perf Studio is easy! You just register your module, indicate on what events/probes you are interested and register a callback function. This callback function indicated if data is available. And if so you plot, visualize this data. You can use a OpenGL widget, a cairo widget or text widget - your ideas here.
foofpooo