| To: | Amer Ather <aather@xxxxxxxxxxx> |
|---|---|
| Subject: | Re: pcp grafana and graphite - How to convert pcp metric values into percent |
| From: | fche@xxxxxxxxxx (Frank Ch. Eigler) |
| Date: | Fri, 27 Jun 2014 21:14:07 -0400 |
| Cc: | pcp@xxxxxxxxxxx |
| Delivered-to: | pcp@xxxxxxxxxxx |
| In-reply-to: | <y0mha353ky5.fsf@xxxxxxxx> (Frank Ch. Eigler's message of "Fri, 27 Jun 2014 21:02:42 -0400") |
| References: | <CAM1aq-HG2oJxCx1EAA0Zr+W7-NsSmVfThb8zG35FOKC4mbbnww@xxxxxxxxxxxxxx> <y0mha353ky5.fsf@xxxxxxxx> |
| User-agent: | Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux) |
> [...] > This sort of thing could be expressed at the PCP level in at least two > ways: client-side derived metrics, or the server-side pmdasummary. > The former looks more appropriate here, but pmwebd doesn't have > support for that just yet. Lemme go hack a little bit. Actually, hacking not required. libpcp already automagically lets you add derived metrics to any pcp client using the $PCP_DERIVED_CONFIG environment variable. See man PCPintro(1) & pmLoadDerivedConfig(3). - FChE |
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