MPLOCK held (per line per file)
bpf.c:1187	146
devfs_vnops.c:1030	31309
devfs_vnops.c:1096	918
ip_input.c:410	619
kern_clock.c:539	7504
kern_descrip.c:2323	1930
kern_exec.c:548	4123
kern_exit.c:119	3282
kern_exit.c:723	351
kern_fork.c:119	274
kern_fork.c:140	2373
kern_mplock.c:213	1645
kern_sysctl.c:1219	311
lwkt_thread.c:62	101
lwkt_thread.c:626	6958513
lwkt_thread.c:635	819968
lwkt_thread.c:891	74426
netisr.c:307	2739
sys_generic.c:526	88
sys_generic.c:790	3598
sys_pipe.c:351	222
sys_socket.c:107	877
sys_socket.c:80	91
tcp_subr.c:440	95
thread.c:626	89
trap.c:587	511546
trap.c:706	2047
vfs_syscalls.c:1627	197
vfs_syscalls.c:1924	62723
vfs_syscalls.c:2551	367
vfs_syscalls.c:2634	15156
vfs_syscalls.c:2660	1127
vfs_syscalls.c:3522	25137
vfs_syscalls.c:3922	114
vfs_vnops.c:654	3243
vfs_vnops.c:718	183328
vfs_vnops.c:760	535
vm_mmap.c:434	6087
vm_mmap.c:562	19496