.\" Copyright (c) 2026 Netflix, Inc
.\"
.\" SPDX-License-Identifier: BSD-2-Clause
.\"
.Dd December 26, 2025
.Dt DTRACE_CAM 4
.Os
.Sh NAME
.Nm dtrace_cam
.Nd a DTrace provider for tracing events related to CAM
.Sh SYNOPSIS
.Fn cam::xpt:action "union ccb *ccn"
.Fn cam::xpt:done "union ccb *ccb"
.Fn cam::xpt:async-cb "void *cbarg" "uint32_t async_code" "struct cam_path *path" "void *async_Arg"
.Sh DESCRIPTION
The
.Nm cam
provider allows the tracing of CAM events.
The
.Fn cam::xpt_action
probe fires when a CAM Control Block (ccb) is submitted to a CAM SIM driver.
The
.Fn cam::xpt:done
probe fires when that request completes.
The
.Fn cam::xpt:async-cb
probe fires just before an async callback is called.
.Sh ARGUMENTS
.Sh FILES
.Sh EXAMPLES
.Sh SEE ALSO
.Xr dtrace 1 ,
.Xr SDT 9
.Sh HISTORY
The
.Nm cam
provider first appeared in
.Fx
15.1 and 16.0.
.Sh AUTHORS
This manual page was written by
.An Warner Losh Aq Mt imp@FreeBSD.org .