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Annotation of src/usr.bin/kdump/kdump.1, Revision 1.7

1.7     ! aaron       1: .\"    $OpenBSD: kdump.1,v 1.6 2000/03/04 15:53:40 aaron Exp $
        !             2: .\"
1.1       deraadt     3: .\" Copyright (c) 1990, 1993
                      4: .\"    The Regents of the University of California.  All rights reserved.
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                      6: .\" Redistribution and use in source and binary forms, with or without
                      7: .\" modification, are permitted provided that the following conditions
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                      9: .\" 1. Redistributions of source code must retain the above copyright
                     10: .\"    notice, this list of conditions and the following disclaimer.
                     11: .\" 2. Redistributions in binary form must reproduce the above copyright
                     12: .\"    notice, this list of conditions and the following disclaimer in the
                     13: .\"    documentation and/or other materials provided with the distribution.
                     14: .\" 3. All advertising materials mentioning features or use of this software
                     15: .\"    must display the following acknowledgement:
                     16: .\"    This product includes software developed by the University of
                     17: .\"    California, Berkeley and its contributors.
                     18: .\" 4. Neither the name of the University nor the names of its contributors
                     19: .\"    may be used to endorse or promote products derived from this software
                     20: .\"    without specific prior written permission.
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                     22: .\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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                     34: .\"    from: @(#)kdump.1       8.1 (Berkeley) 6/6/93
                     35: .\"
                     36: .Dd June 6, 1993
                     37: .Dt KDUMP 1
1.5       aaron      38: .Os
1.1       deraadt    39: .Sh NAME
                     40: .Nm kdump
                     41: .Nd display kernel trace data
                     42: .Sh SYNOPSIS
                     43: .Nm kdump
                     44: .Op Fl dnlRT
                     45: .Op Fl e Ar emulation
                     46: .Op Fl f Ar file
                     47: .Op Fl m Ar maxdata
                     48: .Op Fl t Op cenis
                     49: .Sh DESCRIPTION
1.6       aaron      50: .Nm
1.1       deraadt    51: displays the kernel trace files produced with
                     52: .Xr ktrace 1
1.4       aaron      53: in human-readable format.
1.1       deraadt    54: By default, the file
                     55: .Pa ktrace.out
1.6       aaron      56: in the current directory is displayed, unless overriden by the
                     57: .Fl f
                     58: option.
1.1       deraadt    59: .Pp
                     60: The options are as follows:
1.6       aaron      61: .Bl -tag -width Ds
1.1       deraadt    62: .It Fl d
                     63: Display all numbers in decimal.
1.6       aaron      64: By default, values are printed out in hexadecimal.
1.1       deraadt    65: .It Fl e Ar emulation
1.6       aaron      66: Interpret system call maps assuming the named emulation instead of
                     67: .Qq bsd .
                     68: For example, to view trace output from a Linux binary, use
                     69: .Fl e Ar linux .
1.5       aaron      70: .It Fl f Ar file
1.1       deraadt    71: Display the specified file instead of
                     72: .Pa ktrace.out .
                     73: .It Fl l
                     74: Loop reading the trace file, once the end-of-file is reached, waiting for
                     75: more data.
1.5       aaron      76: .It Fl m Ar maxdata
1.1       deraadt    77: Display at most
                     78: .Ar maxdata
                     79: bytes when decoding
                     80: .Tn I/O .
                     81: .It Fl n
                     82: Suppress ad hoc translations.
                     83: Normally
1.6       aaron      84: .Nm
1.4       aaron      85: tries to decode many system calls into a more human-readable format.
1.1       deraadt    86: For example,
                     87: .Xr ioctl 2
                     88: values are replaced with the macro name and
                     89: .Va errno
                     90: values are replaced with the
                     91: .Xr strerror 3
                     92: string.
                     93: Suppressing this feature yields a more consistent output format and is
                     94: easily amenable to further processing.
                     95: .It Fl R
                     96: Display relative timestamps (time since previous entry).
                     97: .It Fl T
                     98: Display absolute timestamps for each entry (seconds since epoch).
1.6       aaron      99: .It Fl t Op cenis
1.1       deraadt   100: See the
                    101: .Fl t
                    102: option of
                    103: .Xr ktrace 1 .
                    104: .El
1.6       aaron     105: .Sh FILES
                    106: .Bl -tag -width ktrace.out -compact
                    107: .It Pa ktrace.out
                    108: default ktrace dump file
                    109: .El
1.1       deraadt   110: .Sh SEE ALSO
                    111: .Xr ktrace 1
                    112: .Sh HISTORY
                    113: The
1.6       aaron     114: .Nm
1.4       aaron     115: command appeared in
1.1       deraadt   116: .Bx 4.4 .