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2006 Jul 20
2
How can I watch IO operations with dtrace on zfs?
I have been using iosoop script (see http://www.opensolaris.org/os/community/dtrace/scripts/) written by Brendan Gregg to look at the IO operations of my application. When I was running my test-program on a UFS filesystem I could see both read and write operations like:
UID PID D BLOCK SIZE COMM PATHNAME
203803 4436 R 6016592 16384 diskio <none>
203803 4436 W 3448432