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-.\" $NetBSD: utrace.2,v 1.11 2003/04/24 12:17:49 wiz Exp $
-.\"
-.\" Copyright (c) 2000 The NetBSD Foundation, Inc.
-.\" All rights reserved.
-.\"
-.\" This code is derived from software contributed to The NetBSD Foundation
-.\" by Gregory McGarry <g.mcgarry@ieee.org>.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
-.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
-.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
-.\" IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
-.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
-.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-.\" (INCLUDING 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 11, 2015
-.Dt UTRACE 2
-.Os
-.Sh NAME
-.Nm utrace
-.Nd insert user record in ktrace log
-.Sh LIBRARY
-.Lb libc
-.Sh SYNOPSIS
-.In sys/param.h
-.In sys/time.h
-.In sys/uio.h
-.In sys/ktrace.h
-.Ft int
-.Fn utrace "const void *addr" "size_t len"
-.Sh DESCRIPTION
-Adds a record to the process trace with information supplied by user.
-The record contains
-.Fa len
-bytes from memory pointed to by
-.Fa addr .
-This call only has an effect if the calling process is being traced.
-.Sh RETURN VALUES
-.Rv -std
-.Sh ERRORS
-.Bl -tag -width Er
-.It Bq Er EINVAL
-Specified data length
-.Fa len
-was bigger than
-.Dv KTR_USER_MAXLEN .
-.It Bq Er ENOMEM
-Insufficient memory to honor the request.
-.It Bq Er ENOSYS
-Currently running kernel was compiled without
-.Xr ktrace 2
-support
-.Pq Cd "options KTRACE" .
-.El
-.Sh SEE ALSO
-.Xr kdump 1 ,
-.Xr ktrace 1 ,
-.Xr truss 1 ,
-.Xr ktrace 2 ,
-.Xr sysdecode_utrace 3
-.Sh HISTORY
-The
-.Fn utrace
-system call first appeared in
-.Fx 2.2 .