[    2.154592] grep (141) used greatest stack depth: 12608 bytes left
[    2.270935] ip (199) used greatest stack depth: 12536 bytes left
[    2.322968] ip (217) used greatest stack depth: 12328 bytes left
[   29.436392] ip (2403) used greatest stack depth: 12088 bytes left
[   57.908220] ip (4437) used greatest stack depth: 12072 bytes left
[  543.082228] pm_nl_ctl (25168) used greatest stack depth: 11944 bytes left