문제 해결
- backtrace(3), addr2line(1), c++filt(1)
- errno(3), err(3), error(3), fmtmsg(3), addseverity(3), perror(3), psignal(3), strerror(3), strsignal(3)
- assert(3), assert_perror(3)
- core(5)
- gdb(1)
- memusage(1), mtrace(1), gprof(1), sprof(1), profil(3)
- ltrace(1), strace(1), ptrace(2)
- perf_event_open(2)
- valgrind(1)