What is gprof and how does it work?
gprof is a performance analysis tool for C/C++ programs. It helps you identify which parts of your code are consuming the most time.
How do I use gprof to profile my application?
To use gprof, compile your program with the -pg
flag, run your program, and then analyze the generated gmon.out
file using gprof.
What kind of output can I expect from gprof?
gprof provides a flat profile and a call graph, showing how much time was spent in each function and how functions call each other.
Are there any alternatives to gprof?
Yes, alternatives include Valgrind, perf, and Intel VTune, each offering different features for performance analysis.
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