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KTRDUMP(8) System Manager's Manual KTRDUMP(8) NAME ktrdump -- print kernel ktr trace buffer SYNOPSIS ktrdump [-cflqrtH] [-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. -l Poll the kernel ktr trace buffer periodically dumping any new events after each poll. -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 out- put. 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>. FreeBSD ports 15.quarterly October 22, 2018 KTRDUMP(8)
NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | HISTORY | AUTHORS
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