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RocketLink!--> Man page versions: OpenBSD FreeBSD NetBSD Others

KDUMP(1)                   OpenBSD Reference Manual                   KDUMP(1)

     kdump - display kernel trace data

     kdump [-dnlRT] [-e emulation] [-f file] [-m maxdata] [-t [cenis]]

     kdump displays the kernel trace files produced with ktrace(1) in human-
     readable format.  By default, the file ktrace.out in the current directo-
     ry is displayed.

     The options are as follows:

     -d          Display all numbers in decimal.

     -e emulation
                 Interpret system call maps assuming the named emulation in-
                 stead of "bsd".

     -f file     Display the specified file instead of ktrace.out.

     -l          Loop reading the trace file, once the end-of-file is reached,
                 waiting for more data.

     -m maxdata  Display at most maxdata bytes when decoding I/O.

     -n          Suppress ad hoc translations.  Normally kdump tries to decode
                 many system calls into a more human-readable format.  For ex-
                 ample, ioctl(2) values are replaced with the macro name and
                 errno values are replaced with the strerror(3) string.  Sup-
                 pressing this feature yields a more consistent output format
                 and is easily amenable to further processing.

     -R          Display relative timestamps (time since previous entry).

     -T          Display absolute timestamps for each entry (seconds since

     -t cnis     See the -t option of ktrace(1).


     The kdump command appeared in 4.4BSD.

OpenBSD 2.6                      June 6, 1993                                1

Source: OpenBSD 2.6 man pages. Copyright: Portions are copyrighted by BERKELEY
SOFTWARE DESIGN, INC., The Regents of the University of California, Massachusetts
Institute of Technology, Free Software Foundation, FreeBSD Inc., and others.

(Corrections, notes, and links courtesy of RocketAware.com)

[Detailed Topics]
FreeBSD Sources for kdump(1)
OpenBSD sources for kdump(1)

[Overview Topics]

Up to: Debugging and Tracing (utilities, system and library calls which support debugging and tracing)

RocketLink!--> Man page versions: OpenBSD FreeBSD NetBSD Others

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