In this section, we cover the highlights of Planet Fedora - an aggregation of blogs from Fedora contributors worldwide.
Contributing Writer: Adam Batkin
Lennart Poettering wrote a mutex profiler called mutrace. "When naively profiling multi-threaded applications the time spent waiting for mutexes is not necessarily visible in the generated output. However lock contention can have a big impact on the runtime behaviour of applications...To improve the situation if have now written a mutex profiler called mutrace."
Way back in May, Daniel Walsh introduced the SELinux sandbox. "As soon as I released it, I received email asking if it could be used to sandbox Acroread, and I had to say 'Sorry, it can't do that'.". But now it can. It can even be used to sandbox Firefox.