Difference between revisions of "I/O sniffing"

From Linuxintro
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...")
(No difference)

Revision as of 05:14, 25 May 2013

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]