在内核回溯中,单下划线的含义是什么,例如:
[ 22.669572] [df425cf0] [c00085a8] show_stack+0x44/0x160 (unreliable)
[ 22.720393] [df425d20] [c00348d8] __might_sleep+0xfc/0x120
[ 22.758049] [df425d30] [c00ea764] kmem_cache_alloc_notrace+0x8c/0xc8
[ 22.798333] [df425d50] [c0098614] request_threaded_irq+0x78/0x1f8
[ 22.837834] [df425d90] [f16f694c] _interrupt_connect+0xc4/0x150 [kbde]
[ 22.878642] [df425db0] [f19b29e0] _ioctl+0x5ec/0x77c [ubde]
[ 22.916555] [df425e70] [f19b2100] _gmodule_ioctl+0x34/0x44 [ubde]
[ 22.956049] [df425e80] [c0107a00] vfs_ioctl+0xcc/0xec
[ 22.992383] [df425ea0] [c0107be8] do_vfs_ioctl+0x84/0x7e8
[ 23.029770] [df425f10] [c01083e0] sys_ioctl+0x94/0x108
[ 23.066372] [df425f40] [c0011648] ret_from_syscall+0x0/0x4
[ 23.104024] --- Exception: c01 at 0xf8ef4e0
我尝试在内核源代码中搜索 _interrupt_connect 和 _gmodule_ioctl 函数。我找不到他们。