[Gllug] hourly/daily rate for linux systems admins?

[Tethys]

--------

Nix writes:

>I'm sorry, where is this? I just hunted for it and can't see anything
>relating to per-process blockdev I/O there.

/proc/$pid/io perhaps? It looks like {read,write}_bytes does at least
totals, from which rate could be calculated over time.

>> dismissed it as only available in >= 2.6.2X; the rest just went faffing 
>> about with iostat / vmstat / <randomtool>.
>
>That's what I'd have expected, and I've been using and learning about
>Linux obsessively for fifteen years now.

Personally, my answer would have been SystemTap.

Tet
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