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Re: pcpstats

To: Michele Baldessari <michele@xxxxxxxxxx>, pcp@xxxxxxxxxxx
Subject: Re: pcpstats
From: fche@xxxxxxxxxx (Frank Ch. Eigler)
Date: Mon, 26 May 2014 14:14:10 -0400
Delivered-to: pcp@xxxxxxxxxxx
In-reply-to: <1951313532.14634422.1401085287050.JavaMail.zimbra@xxxxxxxxxx> (Nathan Scott's message of "Mon, 26 May 2014 02:21:27 -0400 (EDT)")
References: <20140524215548.GA13540@xxxxxxxxxxxxxxx> <1951313532.14634422.1401085287050.JavaMail.zimbra@xxxxxxxxxx>
User-agent: Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux)
nathans wrote:

> [...]
>> https://github.com/mbaldessari/pcpstats
> Neat idea!

Yes.  Before too long, imagine a web-interactive version of almost
exactly that.


> [...]  - Values of counter semantics metrics (PM_SEM_COUNTER) are
> commonly reported after rate conversion (requires successive
> samples, and the value plotted is the value-delta divided by the
> time-delta), so that MB/sec, or utilizations, are reported instead
> of raw values. [...]

Given that this comes up for multiple applications in multiple
languages, have you considered including this functionality within
libpcp proper?


- FChE

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