I/O sniffing
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Revision as of 05:14, 25 May 2013 by imported>ThorstenStaerk (Created page with "You can do I/O sniffing using the command blktrace. blktrace will show you every request that goes to the disk. Example: # blktrace -d /dev/sdg -o - | blkparse -i - <ab...")
You can do I/O sniffing using the command blktrace. blktrace will show you every request that goes to the disk.
Example:
# blktrace -d /dev/sdg -o - | blkparse -i - 8,96 2 1 0.000000000 1236 G N [kworker/2:4] 8,96 2 2 0.000001308 1236 I N 0 (00 ..) [kworker/2:4] 8,96 2 3 0.000002781 1236 D N 0 (00 ..) [kworker/2:4]