[    4.093433] tls (585) used greatest stack depth: 12488 bytes left
[    4.247476] tls (589) used greatest stack depth: 12424 bytes left
[    6.600491] tls (745) used greatest stack depth: 12344 bytes left
[    9.623792] tls (952) used greatest stack depth: 12200 bytes left
[   34.822876] tls (1805) used greatest stack depth: 12008 bytes left