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 5.1 (Berkeley) 12/28/90 7.\" 8.Dd 9.Dt KDUMP 1 10.Sh NAME 11.Nm kdump 12.Nd display kernel trace data 13.Sh SYNOPSIS 14.Nm kdump 15.Op Fl dnlRT 16.Op Fl f Ar file 17.Op Fl m Ar maxdata 18.Op Fl t Op cnis 19.Sh DESCRIPTION 20.Nm Kdump 21displays the kernel trace files produced with 22.Xr ktrace 1 23in human readable format. 24By default, the file ``ktrace.out'' in the current directory is displayed. 25.Pp 26The options are as follows: 27.Tw Fl 28.Tp Fl d 29Display all numbers in decimal. 30.Tc Fl f 31.Ws 32.Ar file 33.Cx 34Display the specified file instead of ``ktrace.out''. 35.Tp Fl l 36Loop reading the trace file, once the end-of-file is reached, waiting for 37more data. 38.Tc Fl m 39.Ws 40.Ar maxdata 41.Cx 42Display at most 43.Ar maxdata 44bytes when decoding I/O. 45.Tp Fl n 46Suppress ad hoc translations. 47Normally 48.Nm kdump 49tries to decode many system calls into a more human readable format. 50For example, ioctl values are replaced with the macro name and errno 51values are replaced with the 52.Li sys_errlist 53string. 54Suppressing this feature yields a more consistent output format and is 55easily amenable to further processing. 56.Tp Fl R 57Display relative timestamps (time since previous entry). 58.Tp Fl T 59Display absolute timestamps for each entry (seconds since epoch). 60.Tc Fl t 61.Ws 62.Ar cnis 63.Cx 64See the 65.Fl t 66option of 67.Xr ktrace 1 . 68.Tp 69.Sh SEE ALSO 70.Xr ktrace 1 71.Sh HISTORY 724.4 BSD. 73