Problem With ZFS script

Kris Kennaway kris at FreeBSD.org
Mon Jun 30 12:06:33 UTC 2008


Vince Hoffman wrote:
> Kris Kennaway wrote:
>> Vince Hoffman wrote:
>>> ----------------------
>>> #!/bin/sh -
>>>
>>> TEXT=$(kldstat | tr a-f A-F | \
>>> awk 'BEGIN {print "ibase=16"}; NR > 1 {print $4}'\
>>> | bc | awk '{a+=$1}; END {print a}')
>>> DATA=$(vmstat -m | sed 's/K//' | awk '{a+=$3}; END {print a*1024}')
>>> TOTAL=$(echo "$DATA $TEXT" | awk '{print $1+$2}')
>>>
>>> echo "TEXT=$TEXT, $(echo $TEXT | awk '{print $1/1048576 " MB"}')"
>>> echo "DATA=$DATA, $(echo $DATA | awk '{print $1/1048576 " MB"}')"
>>> echo "TOTAL=$TOTAL, $(echo $TOTAL | awk '{print $1/1048576 " MB"}')"
>>> ------------------------------------------------------
>>> Looks like the wiki stripped some formatting.
>> I still don't know that this is doing anything meaningful in the context
>> of ZFS memory use.
>>
> I understood it to just be showing a summary of kernel memory
> utilization, no specific zfs stuff (which I guess could be got from
> vmstat -z although I dont understand those statistics well enough to do
> this myself.) Semi useful in a peripheral way maybe.

That is surely the intention, but I am not convinced it is doing what it 
says on the box :)

Kris


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