1.\"- 2.\" Copyright (c) 2002 Chad David 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD$ 27.\" 28.Dd May 5, 2004 29.Dt KTRDUMP 8 30.Os 31.Sh NAME 32.Nm ktrdump 33.Nd print kernel ktr trace buffer 34.Sh SYNOPSIS 35.Nm 36.Op Fl cfqrt 37.Op Fl e Ar execfile 38.Op Fl m Ar corefile 39.Op Fl o Ar outfile 40.Sh DESCRIPTION 41The 42.Nm 43utility is used to dump the contents of the kernel ktr trace buffer. 44.Pp 45The following options are available: 46.Bl -tag -width ".Fl e Ar execfile" 47.It Fl c 48Print the CPU number that each entry was logged from. 49.It Fl f 50Print the file and line number that each entry was logged from. 51.It Fl q 52Quiet mode; do not print the column header. 53.It Fl r 54Print relative timestamps rather than absolute timestamps. 55.It Fl t 56Print the timestamp for each entry. 57.It Fl e Ar execfile 58The kernel image to resolve symbols from. 59The default is the value returned via 60.Xr getbootfile 3 . 61.It Fl m Ar corefile 62The core file or memory image to read from. 63The default is 64.Pa /dev/mem . 65.It Fl o Ar outfile 66The file to write the output to. 67The default is standard output. 68.El 69.Sh SEE ALSO 70.Xr ktr 4 , 71.Xr ktr 9 72.Sh HISTORY 73The 74.Nm 75utility first appeared in 76.Fx 5.0 . 77.Sh AUTHORS 78.An -nosplit 79The 80.Nm 81utility was implemented by 82.An Jake Burkholder Aq jake@FreeBSD.org . 83.Pp 84This manual page was written by 85.An Chad David Aq davidc@FreeBSD.org . 86