75 lines
1.6 KiB
Plaintext
75 lines
1.6 KiB
Plaintext
# $NetBSD: vchain,v 1.11 2019/12/06 02:37:53 mrg Exp $
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# @(#)vchain 8.1 (Berkeley) 6/10/93
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#
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define vchain
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set $num = 0
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set $vi = (struct vnode_impl *)$arg0
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printf "lrulist_next: 0x%lx\n", $vi->vi_lrulist.tqe_next
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while ($vi)
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set $vp = &$vi->vi_vnode
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printf "vp: 0x%lx usecount: %d flags: i:0x%x v:0x%x u:0x%x\n",\
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$vp, $vp->v_uobj.uo_refs, \
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$vp->v_iflag, $vp->v_vflag, $vp->v_uflag
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set $num++
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set $vi = $vi->vi_mntvnodes.tqe_next
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end
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printf "Number of vnodes: %d\n", $num
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end
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document vchain
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Given a vnode, follow its mount pointers
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end
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define vprint
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set $vp=(struct vnode *)$arg0
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set $ip=(struct inode *)$vp->v_data
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end
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define mp_vchain
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set $mp = $arg0->me_mount
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set $first = $mp->mnt_vnodelist.tqh_first
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if ($first)
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vchain $mp->mnt_vnodelist.tqh_first
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end
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end
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document mp_vchain
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print the vnode chain for a given mount point
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end
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define vall
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set $mpe=mountlist.tqh_first
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while ($mpe)
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printf "\tmount point at 0x%lx\n", $mpe
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mp_vchain $mpe
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set $mpe = $mpe->me_list.tqe_next
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# "break"
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if ((const void *)$mpe == (const void *)&mountlist)
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set $mpe = 0
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end
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end
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end
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document vall
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print vnode chains for all mount points
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end
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define mountdump
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set $me=mountlist.tqh_first
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while ($me)
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if ($me->me_type == ME_MOUNT)
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set $mp = $me->me_mount
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printf "%s on %s type %s, (mp 0x%lx, privdata 0x%lx)\n", \
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$mp->mnt_stat->f_mntfromname, \
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$mp->mnt_stat->f_mntonname, \
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$mp->mnt_op->vfs_name, $mp, $mp->mnt_data
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end
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set $me=$me->me_list.tqe_next
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if ((const void *)$me == (const void *)&mountlist)
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set $me = 0
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end
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end
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end
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