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diff --git a/cddl/contrib/opensolaris/cmd/dtrace/dtrace.1 b/cddl/contrib/opensolaris/cmd/dtrace/dtrace.1
--- a/cddl/contrib/opensolaris/cmd/dtrace/dtrace.1
+++ b/cddl/contrib/opensolaris/cmd/dtrace/dtrace.1
@@ -20,7 +20,7 @@
.\"
.\" $FreeBSD$
.\"
-.Dd November 8, 2025
+.Dd November 12, 2025
.Dt DTRACE 1
.Os
.Sh NAME
@@ -1309,6 +1309,7 @@
.Xr dtrace_lockstat 4 ,
.Xr dtrace_pid 4 ,
.Xr dtrace_proc 4 ,
+.Xr dtrace_priv 4 ,
.Xr dtrace_profile 4 ,
.Xr dtrace_sched 4 ,
.Xr dtrace_sctp 4 ,
diff --git a/share/man/man4/Makefile b/share/man/man4/Makefile
--- a/share/man/man4/Makefile
+++ b/share/man/man4/Makefile
@@ -1014,6 +1014,7 @@
dtrace_kinst.4 \
dtrace_lockstat.4 \
dtrace_pid.4 \
+ dtrace_priv.4 \
dtrace_proc.4 \
dtrace_profile.4 \
dtrace_sched.4 \
diff --git a/share/man/man4/dtrace_priv.4 b/share/man/man4/dtrace_priv.4
new file mode 100644
--- /dev/null
+++ b/share/man/man4/dtrace_priv.4
@@ -0,0 +1,59 @@
+.\"
+.\" Copyright (c) 2025 Mateusz Piotrowski <0mp@FreeBSD.org>
+.\"
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
+.Dd November 12, 2025
+.Dt DTRACE_PRIV 4
+.Os
+.Sh NAME
+.Nm dtrace_priv
+.Nd a DTrace provider for the kernel privilege checking API
+.Sh SYNOPSIS
+.Nm priv Ns Cm :kernel:priv_check:priv-ok
+.Nm priv Ns Cm :kernel:priv_check:priv-err
+.Sh DESCRIPTION
+The
+.Nm priv
+provider allows for tracing the
+.Xr priv 9
+API.
+.Pp
+The
+.Nm priv Ns Cm :kernel:priv_check:priv-ok
+probe fires upon a successful kernel privilege check.
+.Pp
+The
+.Nm priv Ns Cm :kernel:priv_check:priv-err
+probe fires upon a failed kernel privilege check.
+.Pp
+The only argument to the
+.Nm priv
+probes,
+.Fa args[0] ,
+is the requested privilege number
+.Ft int priv .
+.Sh EXAMPLES
+.Ss Example 1: Tracing Kernel Privilege Check Failures
+The following script captures an array of counters,
+one for each stack trace leading to a failed kernel privilege check:
+.Bd -literal -offset 2n
+priv:::priv-err
+{
+ @traces[stack()] = count();
+}
+.Ed
+.Sh SEE ALSO
+.Xr dtrace 1 ,
+.Xr tracing 7 ,
+.Xr priv 9 ,
+.Xr SDT 9
+.Sh AUTHORS
+.An -nosplit
+The
+.Nm priv
+provider was written by
+.An Robert N. M. Watson Aq Mt rwatson@FreeBSD.org .
+.Pp
+This manual page was written by
+.An Mateusz Piotrowski Aq Mt 0mp@FreeBSD.org .
diff --git a/share/man/man9/priv.9 b/share/man/man9/priv.9
--- a/share/man/man9/priv.9
+++ b/share/man/man9/priv.9
@@ -26,7 +26,7 @@
.\" NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
.\" SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
.\"
-.Dd December 19, 2018
+.Dd November 12, 2025
.Dt PRIV 9
.Os
.Sh NAME
@@ -106,6 +106,7 @@
failure occurred.
.Sh SEE ALSO
.Xr jail 2 ,
+.Xr dtrace_priv 4 ,
.Xr mac 9 ,
.Xr ucred 9
.Sh AUTHORS

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