linux-kernel - Re: [PATCH v1] net-sysfs: expose number of link up/down transitions

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Message-ID: <1396030095.12610.343.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Fri, 28 Mar 2014 11:08:15 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Florian Fainelli <f.fainelli@...il.com>
Cc:	Jiri Pirko <jiri@...nulli.us>,
	David Decotigny <decot@...glers.com>,
	"David S. Miller" <davem@...emloft.net>,
	Jamal Hadi Salim <jhs@...atatu.com>,
	netdev <netdev@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	Eric Dumazet <edumazet@...gle.com>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Weilong Chen <chenweilong@...wei.com>,
	Amir Vadai <amirv@...lanox.com>,
	Michael Dalton <mwdalton@...gle.com>,
	Al Viro <viro@...iv.linux.org.uk>, Tejun Heo <tj@...nel.org>
Subject: Re: [PATCH v1] net-sysfs: expose number of link up/down transitions

On Fri, 2014-03-28 at 10:59 -0700, Florian Fainelli wrote:

> What I meant is that this sort of information most likely is already
> part of some sort of machine health check that runs periodically,
> which probably collects gazillions of other metrics. Whether the link
> flapping information comes from sysfs or was maintained by a small
> script which counts link UP/DOWN events from 'ip monitor link' and
> outputs this into a file boils down to the same thing: the information
> is available to some degree.

Yeah, I am not sure such a daemon runs on my netgear/OpenWrt router ;)



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