truss -fc python3.6 -c "print('hello')"
hello
syscall seconds calls errors
getgid 0.000009173 1 0
getegid 0.000009092 1 0
getuid 0.000009299 1 0
geteuid 0.000009966 1 0
...
dup 0.000031753 3 0
close 0.000591410 46 0
_umtx_op 0.000010842 1 0
------------- ------- -------
0.011674676 740 40truss -fc python3.5 -c "print('hello')"
hello
syscall seconds calls errors
getgid 0.000008866 1 0
getegid 0.000008899 1 0
getuid 0.000009029 1 0
...
fcntl 0.000010414 1 0
dup 0.000035829 3 0
close 0.000635601 48 0
_umtx_op 0.000011185 1 0
------------- ------- -------
0.018257540 781 40
truss -fc python2.7 -c "print('hello')"
hello
syscall seconds calls errors
getgid 0.000008682 1 0
...
close 0.000917541 67 0
_umtx_op 0.000011242 1 0
------------- ------- -------
0.022091739 912 206
truss -fc micropython -c "print('hello')" #1.5.1
hello
syscall seconds calls errors
__sysctl 0.000025145 2 0
issetugid 0.000026012 2 0
write 0.000062763 2 0
sysarch 0.000010063 1 0
...
getdirentries 0.000028398 2 0
fstatfs 0.000012848 1 0
fstat 0.000072624 6 0
close 0.000085231 7 0
------------- ------- -------
0.001466043 100 5