Add usestats to collect resource usage statistics

[Mark Atwood]

Cool! Thank you Hal.

On Fri, Jul 1, 2016 at 9:53 PM Hal Murray <hmurray at megapathdsl.net> wrote:

> I just pushed the code.
>
> You will get things like this:
>
> 57570 76638.360 3600 19.221 29.499 1541 0 0 0 2984 288288 2123 0 8428
> 57570 80238.357 3600 20.812 25.956 1062 0 0 0 3024 246608 2274 0 12652
> 57570 83838.357 3600 23.353 26.497 833 0 0 0 2992 255329 2556 0 16164
> 57571 1038.358 3600 31.154 31.335 1027 0 0 0 3088 310802 2393 0 20280
> 57571 4638.357 3600 31.467 28.972 859 0 0 0 3120 266748 2469 0 23676
> 57571 8238.357 3600 43.700 38.214 1525 0 0 0 2976 369410 3247 0 29748
> 57571 11838.357 3600 35.270 24.945 644 0 0 0 3112 226024 3155 0 32384
> 57571 15438.357 3600 46.356 29.400 1439 0 0 0 2856 278092 1971 0 37928
>
> The data is from getrusage().
>
> The last column is the high water mark for the "resident set size" in
> kilobytes.  If anybody figures out exactly what that means, please clue me
> in.
>
> The above is from a pool server setup with the mrulist limit big enough to
> hold a whole day.  It's still ramping up.
>
> The floating point numbers are user and system CPU usage.  The last line
> shows a total usage of 2.104%.
>
> One of the 0s is page faults.
>
> More into in ./host/docs/monopt.html
> or docs/includes/mon-commands.txt
>
>
>
>
>
> --
> These are my opinions.  I hate spam.
>
>
>
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