[    2.193032] ip (186) used greatest stack depth: 12800 bytes left
[    2.253089] ip (199) used greatest stack depth: 12448 bytes left
[    2.353848] ip (226) used greatest stack depth: 12440 bytes left
[    4.109626] ip (707) used greatest stack depth: 12224 bytes left
[   17.970553] ip (1773) used greatest stack depth: 11992 bytes left
[   43.778180] ip (3484) used greatest stack depth: 11960 bytes left
[  552.768373] pm_nl_ctl (27777) used greatest stack depth: 11864 bytes left