[Bug 231117] I/O lockups inside bhyve vms

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https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=231117

--- Comment #20 from Mateusz Kwiatkowski <kwiat3k at panic.pl> ---
Output of procstat -kk -a | grep zfs:

# procstat -kk -a | grep zfs
    0 100403 kernel              zfsvfs              mi_switch+0x174
sleepq_switch+0x110 sleepq_wait+0x43 _sleep+0x2da taskqueue_thread_loop+0xe1
fork_exit+0x84 fork_trampoline+0xe
    0 100771 kernel              zfs_vn_rele_taskq   mi_switch+0x174
sleepq_switch+0x110 sleepq_wait+0x43 _sleep+0x2da taskqueue_thread_loop+0xe1
fork_exit+0x84 fork_trampoline+0xe
   46 100365 zfskern             solthread 0xfffffff mi_switch+0x174
sleepq_switch+0x110 sleepq_timedwait+0x4f _cv_timedwait_sbt+0x185
zthr_procedure+0x12c fork_exit+0x84 fork_trampoline+0xe
   46 100366 zfskern             solthread 0xfffffff mi_switch+0x174
sleepq_switch+0x110 sleepq_timedwait+0x4f _cv_timedwait_sbt+0x185
zthr_procedure+0x12c fork_exit+0x84 fork_trampoline+0xe
   46 100367 zfskern             arc_dnlc_evicts_thr mi_switch+0x174
sleepq_switch+0x110 sleepq_wait+0x43 _cv_wait+0x15b
arc_dnlc_evicts_thread+0x133 fork_exit+0x84 fork_trampoline+0xe
   46 100369 zfskern             dbuf_evict_thread   mi_switch+0x174
sleepq_switch+0x110 sleepq_timedwait+0x4f _cv_timedwait_sbt+0x185
dbuf_evict_thread+0x296 fork_exit+0x84 fork_trampoline+0xe
   46 100402 zfskern             l2arc_feed_thread   mi_switch+0x174
sleepq_switch+0x110 sleepq_timedwait+0x4f _cv_timedwait_sbt+0x185
l2arc_feed_thread+0x1d5 fork_exit+0x84 fork_trampoline+0xe
   46 100698 zfskern             trim zroot          mi_switch+0x174
sleepq_switch+0x110 sleepq_timedwait+0x4f _cv_timedwait_sbt+0x185
trim_thread+0xab fork_exit+0x84 fork_trampoline+0xe
   46 100812 zfskern             txg_thread_enter    mi_switch+0x174
sleepq_switch+0x110 sleepq_wait+0x43 _cv_wait+0x15b txg_thread_wait+0x9a
txg_quiesce_thread+0x2a6 fork_exit+0x84 fork_trampoline+0xe
   46 100813 zfskern             txg_thread_enter    mi_switch+0x174
sleepq_switch+0x110 sleepq_timedwait+0x4f _cv_timedwait_sbt+0x185
txg_thread_wait+0x8d txg_sync_thread+0x53b fork_exit+0x84 fork_trampoline+0xe
   46 100814 zfskern             solthread 0xfffffff mi_switch+0x174
sleepq_switch+0x110 sleepq_wait+0x43 _cv_wait+0x15b zthr_procedure+0xeb
fork_exit+0x84 fork_trampoline+0xe
   46 100815 zfskern             solthread 0xfffffff mi_switch+0x174
sleepq_switch+0x110 sleepq_wait+0x43 _cv_wait+0x15b zthr_procedure+0xeb
fork_exit+0x84 fork_trampoline+0xe

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