NAME
ktrdump —
print kernel ktr trace
buffer
SYNOPSIS
ktrdump |
[-cfqrtH] [-i
ktrfile] [-M
core] [-N
system] [-o
outfile] |
DESCRIPTION
Thektrdump 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.
-iktrfile- File containing saved ktr trace events; for more information see the ktr(4) manual page.
-Nsystem- The kernel image to resolve symbols from. The default is the value returned via getbootfile(3).
-Mcore- The core file or memory image to read from. The default is /dev/mem.
-ooutfile- The file to write the output to. The default is standard output.
SEE ALSO
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>.