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From: Kalle Valo <kvalo@codeaurora.org>
To: Sven Eckelmann <sven@narfation.org>
Cc: vnaralas@codeaurora.org, linux-wireless@vger.kernel.org,
	Sven Eckelmann <seckelmann@datto.com>,
	ath10k@lists.infradead.org
Subject: Re: [RFC PATCH 0/2] ath10k: provide survey info as accumulated data
Date: Fri, 11 Oct 2019 11:44:01 +0300	[thread overview]
Message-ID: <87imovzn72.fsf@kamboji.qca.qualcomm.com> (raw)
In-Reply-To: <20190918124259.17804-1-sven@narfation.org> (Sven Eckelmann's message of "Wed, 18 Sep 2019 14:42:57 +0200")

Sven Eckelmann <sven@narfation.org> writes:

> it was observed that ath9k provides accumulated survey counters but ath10k
> neither provides deltas nor accumulated counters. Instead it returns
> some value which was returned at some point from the firmware.
>
> But as it turns out, this data is not reliable. To make it more useful,
> ath10k has to:
>
> * retrieve counters rather frequently for hardware which is known to use
>   firmware versions with low number counter bits (for only 14-30s)
> * clean up received counter values 
> * accumulate counters from firmware
>
> A comparison of the resulting output with these fixes can be seen under
> https://stats.freifunk-vogtland.net/d/ffv_node/nodeinfo?orgId=1&var-node=ac86749f4d60&fullscreen&panelId=5&from=1568782046974&to=1568807068706
>
> The left side of the graph shows the output before the patches were applied
> and the right side the output with the patches applied. Just as reference, an
> ath9k device in the same building is
> https://stats.freifunk-vogtland.net/d/ffv_node/nodeinfo?orgId=1&var-node=ac86740037e0&fullscreen&panelId=5&from=1568782046974&to=1568807068706

Thanks, this looks very good to me and I had only cosmetic comments.
Please submit next version without RFC so that I can apply these.

-- 
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches

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  parent reply	other threads:[~2019-10-11  8:44 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-18 12:42 [RFC PATCH 0/2] ath10k: provide survey info as accumulated data Sven Eckelmann
2019-09-18 12:42 ` [RFC PATCH 1/2] ath10k: report survey info as accumulated values Sven Eckelmann
2019-10-11  8:41   ` Kalle Valo
2019-09-18 12:42 ` [RFC PATCH 2/2] ath10k: regularly fetch survey counters Sven Eckelmann
2019-10-11  8:40   ` Kalle Valo
2019-10-11  8:44 ` Kalle Valo [this message]
2019-10-13 22:15 ` [RFC PATCH 0/2] ath10k: provide survey info as accumulated data Sebastian Gottschall
2019-10-14  7:07   ` Sven Eckelmann
2019-10-14  8:57     ` Kalle Valo
2019-10-14  9:32     ` Sebastian Gottschall

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