FreeNas has just implemented it.
Here's the script itself:
http://www.richardelling.com/Home/scrip ... -1/zilstat
It needs KSH (ksh93) installed as well as dtrace installed and enabled in the kernel.
Here are the freenas commits:
https://github.com/freenas/freenas/comm ... 7e95f317ac
https://github.com/freenas/freenas/comm ... f4922888da
Thanks
