[    1.949134] ip (239) used greatest stack depth: 12616 bytes left
[    1.981701] ip (242) used greatest stack depth: 12376 bytes left
[    2.592240] ip (273) used greatest stack depth: 12344 bytes left
[    4.742361] ip (406) used greatest stack depth: 12328 bytes left
[  630.439575] ip (10522) used greatest stack depth: 12168 bytes left