[    3.532248] ip (560) used greatest stack depth: 12160 bytes left
[   51.446503] ip (4254) used greatest stack depth: 11992 bytes left
[  101.559296] ip (5812) used greatest stack depth: 11976 bytes left
[  547.365334] pm_nl_ctl (27780) used greatest stack depth: 11912 bytes left