netdev - Re: [PATCH] Add a network activity LED trigger

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Message-Id: <20070718.152249.43010301.davem@davemloft.net>
Date:	Wed, 18 Jul 2007 15:22:49 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	kaber@...sh.net
Cc:	florian.fainelli@...ecomint.eu, netdev@...r.kernel.org,
	rpurdie@...ys.net
Subject: Re: [PATCH] Add a network activity LED trigger

From: Patrick McHardy <kaber@...sh.net>
Date: Wed, 18 Jul 2007 15:54:56 +0200

> Florian Fainelli wrote:
> >> Besides missing a declaration and not linking without the network
> >> LED config option, its pretty ridiculous to call this for every
> >> packet just to make a led blink.
> >>     
> >
> > Could you suggest me a better way to do so ? The code was highly inspired from 
> > what is done with the IDE trigger. The declaration is done in linux/leds.h, 
> > which is included in dev.c for that purpose.
> >   
> 
> Maybe just increment a variable and periodically check it or something
> like that.

Yes please, calling this millions of times per second on a high end
router is just not smart.
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