* runtime_finstrument.cpp (frequency): Change to 1 for precision.
(ThreadInfo::NewBack): Should be max_stack.
* sym-hit-analyze.cpp (zero_base): New field. To predict if we should zero the
base.
(find_function_name): Do not throw.
(handle_data_file): If zero_base is true, zero the base.
(main): If there are more than 3 arguments, set zero_base to true.
Use std::getline to get the rest of the line as symbol name.