The Return of the Frame Pointers
Brendan Gregg
MARCH 16, 2024
Only in extreme circumstances does the cost (in processor time and I-cache footprint) translate to a tangible benefit - circumstances which usually resort to hand-coded assembly anyway. It shouldn't be 10%, unless it's cache effects. The overhead to walk DWARF is also too high, as it was designed for non-realtime use.
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