real 0m0.120s user 0m0.020s sys 0m0.020s the commad produced seqfault if run in a textual console (cntr+alt+f2).
real 0m0.404s user 0m0.010s sys 0m0.090s
real 0m0.071s user 0m0.010s sys 0m0.050s
real 0m0.133s user 0m0.012s sys 0m0.104s
real 0m0.327s user 0m0.188s sys 0m0.080s