| To: | Michele Baldessari <michele@xxxxxxxxxx> |
|---|---|
| Subject: | Re: %ifutil |
| From: | fche@xxxxxxxxxx (Frank Ch. Eigler) |
| Date: | Thu, 04 Dec 2014 18:11:03 -0500 |
| Cc: | pcp@xxxxxxxxxxx |
| Delivered-to: | pcp@xxxxxxxxxxx |
| In-reply-to: | <20141203215721.GA6448@xxxxxxxxxxxxxxx> (Michele Baldessari's message of "Wed, 3 Dec 2014 22:57:21 +0100") |
| References: | <20141203215721.GA6448@xxxxxxxxxxxxxxx> |
| User-agent: | Gnus/5.1008 (Gnus v5.10.8) Emacs/21.4 (gnu/linux) |
michele wrote: > I am slowly working on replacing all our internal scripts to collect network > statistics. One value that sar gives out is %ifutil, which is defined as > follows: > """ > Utilization percentage of the network interface. For half-duplex interfaces, > utilization is calculated using the sum of rxkB/s and txkB/s as a > percentage > of the interface speed. For full-duplex, this is the greater of rxkB/S or > txkB/s. > """ See also the derived-metrics rate() function added in commit #13bb3654550. It may be possible to express as a derived-metric that uses an arithmetic function of network.interface.duplex (1 or 2) as a multplier to plop together the network.interface.*.bytes values. - FChE |
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