Using the profiling tools

Profiling tools are in clasp/src/profile

./do-dtrace <pid>

Generates the file /tmp/out-symbol-.user_stacks

./count-calls -i /tmp/out-symbol-<pid>.user_stacks -o /tmp/out.txt

Generates a sorted list of function names and how many of the backtraces contained that function name.

./prune -i /tmp/out-symbol-<pid>.user_stacks -o /tmp/out-pruned.user_stacks -s <PART-OF-FUNCTION-NAME>

Generates backtraces that start with the frame .

./flame /tmp/out-pruned.user_stacks

Generates /tmp/out-flame.svg - view this in chrome