Comment # 52
on bug 97879
from Marek Olšák
We don't need a debug build. We just need: 1) One person to run the debug build and use sysprof to capture where the CPU is spending time during the freeze. 2) Make a screenshot of the sysprof window and send it to the game developer. 3) The game developer should look at it and decide what to do next. sysprof is a very-easy-to-use standalone CPU profiler GUI that you run under root. It's observing all processes and also the kernel. For apps built with -g (but also keep -O2 at least), it will show the functions and % of CPU time spent in them. For apps also built with -fno-omit-frame-pointer, it will show whole call stacks.
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