KTRDUMP(8) |
FreeBSD System Manager's Manual |
KTRDUMP(8) |
NAME
ktrdump —
print kernel ktr trace buffer
SYNOPSIS
ktrdump |
[ -cfqrtH][ -e execfile][ -i ktrfile][ -m corefile][ -o outfile] |
DESCRIPTION
The
ktrdump utility is used to dump the contents of the kernel ktr trace buffer.
The following options are available:
-
-c
-
Print the CPU number that each entry was logged from.
-
-f
-
Print the file and line number that each entry was logged from.
-
-q
-
Quiet mode; do not print the column header.
-
-r
-
Print relative timestamps rather than absolute timestamps.
-
-t
-
Print the timestamp for each entry.
-
-H
-
Print the thread ID for each entry.
-
-i
ktrfile
-
File containing saved ktr trace events; for more information see the
ktr(4) manual page.
-
-e
execfile
-
The kernel image to resolve symbols from. The default is the value returned via
getbootfile(3).
-
-m
corefile
-
The core file or memory image to read from. The default is
/dev/mem.
-
-o
outfile
-
The file to write the output to. The default is standard output.
HISTORY
The
ktrdump utility first appeared in
FreeBSD 5.0.
AUTHORS
The
ktrdump utility was implemented by
Jake Burkholder <jake@FreeBSD.org>.
This manual page was written by Chad David <davidc@FreeBSD.org>.