A program to trace execution of another program Post: 302198329

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kdump

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