1. How comes valgrind/kcachegrind is not removing the time for mcount
from results? It would make sense.
See answer to 2. mcount() and -p is orthogonal to valgrind profiling
technique.
2. Why could I profile for years without option -p and I could get
(apparently) consistent results?
Valgrind uses different profiling technique (dynamic code
translation/instrumentation), whereas profiling with -p inserts special
call at the beginning (and end, I assume) of every function at compile
time. -p is used if compiling with profile=1. Valgrind does not need
recompilation.
Vaclav
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