How to find hot spot in a C or C++ program? -


i want find hot spots in mibench benchmark suit programs. want find out variables , functions called during execution of program. i've searched free useful tool couldn't find want. there free tool purpose?

use gprof, can compile code -pg, such 

gcc test.cpp -pg -o test ./test gprof -b -a -p -q test gmon.out

then print stat info of code, read gprof documentation understand better.

also if want see detail of code, such cache miss rate or else that, can try tau.


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