[    3.818656] tls (418) used greatest stack depth: 12616 bytes left
[    3.981481] tls (422) used greatest stack depth: 12552 bytes left
[    6.281693] tls (568) used greatest stack depth: 12456 bytes left
[    6.288637] tls (577) used greatest stack depth: 12408 bytes left
[   24.251231] tls (1544) used greatest stack depth: 12344 bytes left