netdev - Re: [RFC/RFT v5 2/4] mac80211: add periodic monitor for channel busy time

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Date:   Thu, 25 Aug 2022 11:27:48 +0200
From:   Baligh GASMI <gasmibal@...il.com>
To:     Johannes Berg <johannes@...solutions.net>
Cc:     "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        "open list:MAC80211" <linux-wireless@...r.kernel.org>,
        "open list:NETWORKING [GENERAL]" <netdev@...r.kernel.org>,
        open list <linux-kernel@...r.kernel.org>,
        Felix Fietkau <nbd@....name>,
        Toke Hoiland-Jorgensen <toke@...hat.com>,
        Linus Lussing <linus.luessing@...3.blue>,
        Kalle Valo <kvalo@...nel.org>
Subject: Re: [RFC/RFT v5 2/4] mac80211: add periodic monitor for channel busy time

Ok, noted !
I will try to find a way or maybe remove this part, since the busy
time is not trivial to be used in the estimation, as I thought.
Thanks for your reply.


Le jeu. 25 août 2022 à 10:58, Johannes Berg
<johannes@...solutions.net> a écrit :
>
> On Tue, 2022-07-19 at 14:35 +0200, Baligh Gasmi wrote:
> > Add a worker scheduled periodicaly to calculate the busy time average of
> > the current channel.
> >
> > This will be used in the estimation for expected throughput.
> >
>
> I really don't think you should/can do this - having a 1-second periodic
> timer (for each interface even!) is going to be really bad for power
> consumption.
>
> Please find a way to inline the recalculation with statistics updates
> and/or queries.
>
> johannes