top io mode
avg at freebsd.org
Thu Nov 25 16:38:14 UTC 2010
on 25/11/2010 18:03 jhell said the following:
> On 11/25/2010 06:28, Adam Vande More wrote:
>> top io doesn't seem to display stats when dealing direct with a block device
>> like so:
>> dd if=/dev/ada0 of=/dev/null
>> However if dd runs on a regular file eg
>> dd if=test.file of=/dev/null
>> then stats are reported in top.
>> Is this the expected behavior?
> Is this on ZFS ?
> If that is the case it is a known problem that needs the following patch
> to fix the issue.
> I believe it is planned to be MFC'd but am not quite sure so I have CC'd
> Andriy and he should be able to advise further.
I think that you got confused :-)
Read Adam's report again :-)
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