Re: [dev] slstatus netspeeds component does not report speed on linux

From: John Soros <>
Date: Sat, 13 Oct 2018 23:54:40 +0200

Okay, excuse me, my C knowlege is not great. I don't even understand how
that patch worked (it didn't), but I've figured out the reason: I have
two instances of netspeed, for two interfaces. So the rxbytes is getting
overwritten for the two different network interfaces.
Sorry for the noise.

On 13/10/2018 20:22, John Soros wrote:
> Hi.
> On my system (Linux z.y 4.18.12-200.fc28.x86_64 #1 SMP Thu Oct 4
> 15:46:35 UTC 2018 x86_64 x86_64 x86_64 GNU/Linux) the netspeeds
> component of slstatus doesn't work at all. I get some Pib results for my
> wireless network card and just 0 for my ethernet card.
> I don't exactly understand how and where slstatus handles calling this
> component twice, but from my debugging it is obvious it is called twice
> for every slstatus update.
> The issue seems to be that often, the read from the linux sys file
> yields 0, and this makes the result of this component incoherent.
> I really am not sure why this works, but with this patch I get reliable
> and seemingly correct results. If someone can explain me how this works,
> I would be very thankful.
> Regards
> John
Received on Sat Oct 13 2018 - 23:54:40 CEST

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