FunctionCheck is a profiler for C/C++ programs, based on gcc V4.6.3+.
Features are flat profile, cycles detection, call-graph, MIN/MAX time in functions, memory profiling, profiling control at execution...
FunCViz is a profiling tool generating function callgraph, performance statics data,like function call time cost histogram,which may help you identify the bottleneck of the program's performance.