[    2.342641] ip (197) used greatest stack depth: 12104 bytes left
[    4.308872] ip (731) used greatest stack depth: 12048 bytes left
[   18.118729] ip (1771) used greatest stack depth: 12032 bytes left
[   98.248860] ip (5837) used greatest stack depth: 11992 bytes left
[  542.291102] pm_nl_ctl (27769) used greatest stack depth: 11912 bytes left