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: src/usr.bin/ktrdump/ktrdump.8,v 1.7 2005/03/08 06:58:56 hmp Exp $ 27.\" $DragonFly: src/usr.bin/ktrdump/ktrdump.8,v 1.4 2005/06/21 06:50:28 dillon Exp $ 28.\" 29.Dd May 5, 2004 30.Dt KTRDUMP 8 31.Os 32.Sh NAME 33.Nm ktrdump 34.Nd print kernel ktr trace buffer 35.Sh SYNOPSIS 36.Nm 37.Op Fl acfinpqrtx 38.Op Fl N Ar execfile 39.Op Fl M Ar corefile 40.Op Fl o Ar outfile 41.Sh DESCRIPTION 42The 43.Nm 44utility is used to dump the contents of the kernel ktr trace buffer. 45.Pp 46The following options are available: 47.Bl -tag -width ".Fl N Ar execfile" 48.It Fl a 49Print all fields. Implies all print options. 50.It Fl c 51Print the CPU number that each entry was logged from. 52.It Fl f 53Print the file and line number that each entry was logged from. 54.It Fl i 55Print the ID string field, identifying the facility being logged. 56.It Fl n 57.Nm 58normally tries to translate the caller fields and (when easily parsed) 59trace arguments into symbols. This option forces hex values to be 60displayed instead. 61.It Fl p 62Print the trace data. 63.It Fl q 64Quiet mode; do not print the column header. 65.It Fl r 66Print relative timestamps rather than absolute timestamps. 67.It Fl x 68Print the call chain leading up to the procedure which issued 69the KTR. 70.It Fl t 71Print the timestamp for each entry. 72.Xr ktr 4 73manual page. 74.It Fl N Ar execfile 75The kernel image to resolve symbols from. 76The default is the value returned via 77.Xr getbootfile 3 . 78.It Fl M Ar corefile 79The core file or memory image to read from. 80The default is 81.Pa /dev/mem . 82.It Fl o Ar outfile 83The file to write the output to. 84The default is standard output. 85.El 86.Sh SEE ALSO 87.Xr ktr 4 , 88.Xr ktr 9 89.Sh HISTORY 90The 91.Nm 92utility first appeared in 93.Fx 5.0 . 94.Sh AUTHORS 95.An -nosplit 96The 97.Nm 98utility was implemented by 99.An Jake Burkholder Aq jake@FreeBSD.org . 100.Pp 101This manual page was written by 102.An Chad David Aq davidc@FreeBSD.org . 103