[    3.202369] tls (449) used greatest stack depth: 12632 bytes left
[    3.400690] tls (453) used greatest stack depth: 12568 bytes left
[    5.885621] tls (605) used greatest stack depth: 12472 bytes left
[    5.905109] tls (607) used greatest stack depth: 12448 bytes left
[    5.930276] tls (604) used greatest stack depth: 12400 bytes left
[   34.520580] tls (1676) used greatest stack depth: 12360 bytes left