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cheat.sheets/sheets/blktrace
2018-01-06 18:14:33 +00:00

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# blktrace
# blktrace is a block layer IO tracing mechanism which provides detailed information about request queue operations up to user space
# trace PC (non-filesystem requests, PC) on the /dev/sdb disk.
# blkparse generates human-readable formatting
blktrace /dev/sdb -a PC -o - | blkparse -i -