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(freebsd section 8)
man page for ktrdump

KTRDUMP(8)						    BSD System Manager's Manual 						KTRDUMP(8)

NAME
ktrdump -- print kernel ktr trace buffer SYNOPSIS
ktrdump [-cfqrtH] [-i ktrfile] [-M core] [-N system] [-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. -N system The kernel image to resolve symbols from. The default is the value returned via getbootfile(3). -M core 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. SEE ALSO
ktr(4), ktr(9) 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>. BSD
February 6, 2015 BSD

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