linux-kernel - Re: [RFC PATCH v4 2/3] mac80211: add periodic monitor for channel busy time

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Date:   Tue, 21 Jun 2022 10:28:11 +0300
From:   Kalle Valo <kvalo@...nel.org>
To:     Baligh Gasmi <gasmibal@...il.com>
Cc:     Johannes Berg <johannes@...solutions.net>,
        "David S . Miller" <davem@...emloft.net>,
        Eric Dumazet <edumazet@...gle.com>,
        Jakub Kicinski <kuba@...nel.org>,
        Paolo Abeni <pabeni@...hat.com>,
        linux-wireless@...r.kernel.org, netdev@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH v4 2/3] mac80211: add periodic monitor for channel busy time

Baligh Gasmi <gasmibal@...il.com> writes:

> 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.
>
> Signed-off-by: Baligh Gasmi <gasmibal@...il.com>

[...]

> --- a/net/mac80211/iface.c
> +++ b/net/mac80211/iface.c
> @@ -1970,6 +1970,64 @@ static void ieee80211_assign_perm_addr(struct ieee80211_local *local,
>  	mutex_unlock(&local->iflist_mtx);
>  }
>  
> +#define DEFAULT_MONITOR_INTERVAL_MS 1000

I'm worried that polling every second affects power consumption.

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