1.\" Copyright (c) 1990 The Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" %sccs.include.redist.man% 5.\" 6.\" @(#)kdump.1 5.3 (Berkeley) 03/14/91 7.\" 8.Vx 9.Vx 10.Dd 11.Dt KDUMP 1 12.Sh NAME 13.Nm kdump 14.Nd display kernel trace data 15.Sh SYNOPSIS 16.Nm kdump 17.Op Fl dnlRT 18.Op Fl f Ar file 19.Op Fl m Ar maxdata 20.Op Fl t Op cnis 21.Sh DESCRIPTION 22.Nm Kdump 23displays the kernel trace files produced with 24.Xr ktrace 1 25in human readable format. 26By default, the file ``ktrace.out'' in the current directory is displayed. 27.Pp 28The options are as follows: 29.Tw Fl 30.Tp Fl d 31Display all numbers in decimal. 32.Tc Fl f 33.Ws 34.Ar file 35.Cx 36Display the specified file instead of ``ktrace.out''. 37.Tp Fl l 38Loop reading the trace file, once the end-of-file is reached, waiting for 39more data. 40.Tc Fl m 41.Ws 42.Ar maxdata 43.Cx 44Display at most 45.Ar maxdata 46bytes when decoding I/O. 47.Tp Fl n 48Suppress ad hoc translations. 49Normally 50.Nm kdump 51tries to decode many system calls into a more human readable format. 52For example, ioctl values are replaced with the macro name and errno 53values are replaced with the 54.Li strerror() 55string. 56Suppressing this feature yields a more consistent output format and is 57easily amenable to further processing. 58.Tp Fl R 59Display relative timestamps (time since previous entry). 60.Tp Fl T 61Display absolute timestamps for each entry (seconds since epoch). 62.Tc Fl t 63.Ws 64.Ar cnis 65.Cx 66See the 67.Fl t 68option of 69.Xr ktrace 1 . 70.Tp 71.Sh SEE ALSO 72.Xr ktrace 1 73.Sh HISTORY 744.4 BSD. 75