pcp
[Top] [All Lists]

Re: %ifutil

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

<Prev in Thread] Current Thread [Next in Thread>