https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=278826
--- Comment #6 from Austin Zhang <austin.zh...@dell.com> ---
(In reply to Konstantin Belousov from comment #5)
will you also check si_refcount? I believe si_threadcount is correct but
si_refcount is not.
below is my dtrace output:
[root@freebsd-main ~]# dtrace -n 'fbt::dev_ref:entry {printf("[%s]: invoke
dev_ref: %s, refcount:%d threadcount:%d", execname, args[0]->si_name,
args[0]->si_refcount, args[0]->si_threadcount)}'
dtrace: description 'fbt::dev_ref:entry ' matched 1 probe
CPU ID FUNCTION:NAME
1 43845 dev_ref:entry [uname]: invoke dev_ref: hpet0,
refcount:42494 threadcount:2
1 43845 dev_ref:entry [sh]: invoke dev_ref: hpet0,
refcount:42495 threadcount:2
1 43845 dev_ref:entry [atrun]: invoke dev_ref: hpet0,
refcount:42496 threadcount:2
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