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OpenDarwin 7.2.1 - man page for kdump (opendarwin section 1)

KDUMP(1)			   BSD General Commands Manual				 KDUMP(1)

NAME
     kdump -- display kernel trace data

SYNOPSIS
     kdump [-dnlRT] [-f file] [-m maxdata] [-t [cnisuw]]

DESCRIPTION
     The kdump command displays the kernel trace files produced with ktrace(1) in human readable
     format.  By default, the file ktrace.out in the current directory is displayed.

     The options are as follows:

     -d 	 Display all numbers in decimal.

     -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 example, ioctl(2) values are replaced
		 with the macro name and errno values are replaced with the strerror(3) string.
		 Suppressing 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 epoch).

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

SEE ALSO
     ktrace(1)

HISTORY
     The kdump command appeared in 4.4BSD.

BSD					   June 6, 1993 				      BSD


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