From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Cc: <ath10k@lists.infradead.org>, <linux-wireless@vger.kernel.org>,
"Rajkumar Manoharan" <rmanohar@qti.qualcomm.com>,
<rmanohar@codeaurora.org>
Subject: Re: ath10k: fix throughput regression in multi client mode
Date: Fri, 9 Sep 2016 14:07:34 +0200 [thread overview]
Message-ID: <00fa6b69d3a645b19d85f2f3c83748b5@euamsexm01a.eu.qualcomm.com> (raw)
In-Reply-To: <20160829081613.1474-1-rmanohar@qti.qualcomm.com>
Rajkumar Manoharan <rmanohar@qti.qualcomm.com> wrote:
> commit 7a0adc83f34d ("ath10k: improve tx scheduling") is causing
> severe throughput drop in multi client mode. This issue is originally
> reported in veriwave setup with 50 clients with TCP downlink traffic.
> While increasing number of clients, the average throughput drops
> gradually. With 50 clients, the combined peak throughput is decreased
> to 98 Mbps whereas reverting given commit restored it to 550 Mbps.
>
> Processing txqs for every tx completion is causing overhead. Ideally for
> management frame tx completion, pending txqs processing can be avoided.
> The change partly reverts the commit "ath10k: improve tx scheduling".
> Processing pending txqs after all skbs tx completion will yeild enough
> room to burst tx frames.
>
> Fixes: 7a0adc83f34d ("ath10k: improve tx scheduling")
> Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Thanks, 1 patch applied to ath-next branch of ath.git:
18f53fe0f303 ath10k: fix throughput regression in multi client mode
--
Sent by pwcli
https://patchwork.kernel.org/patch/9303279/
WARNING: multiple messages have this Message-ID (diff)
From: Kalle Valo <kvalo@qca.qualcomm.com>
To: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Cc: linux-wireless@vger.kernel.org, ath10k@lists.infradead.org,
rmanohar@codeaurora.org
Subject: Re: ath10k: fix throughput regression in multi client mode
Date: Fri, 9 Sep 2016 14:07:34 +0200 [thread overview]
Message-ID: <00fa6b69d3a645b19d85f2f3c83748b5@euamsexm01a.eu.qualcomm.com> (raw)
In-Reply-To: <20160829081613.1474-1-rmanohar@qti.qualcomm.com>
Rajkumar Manoharan <rmanohar@qti.qualcomm.com> wrote:
> commit 7a0adc83f34d ("ath10k: improve tx scheduling") is causing
> severe throughput drop in multi client mode. This issue is originally
> reported in veriwave setup with 50 clients with TCP downlink traffic.
> While increasing number of clients, the average throughput drops
> gradually. With 50 clients, the combined peak throughput is decreased
> to 98 Mbps whereas reverting given commit restored it to 550 Mbps.
>
> Processing txqs for every tx completion is causing overhead. Ideally for
> management frame tx completion, pending txqs processing can be avoided.
> The change partly reverts the commit "ath10k: improve tx scheduling".
> Processing pending txqs after all skbs tx completion will yeild enough
> room to burst tx frames.
>
> Fixes: 7a0adc83f34d ("ath10k: improve tx scheduling")
> Signed-off-by: Rajkumar Manoharan <rmanohar@qti.qualcomm.com>
Thanks, 1 patch applied to ath-next branch of ath.git:
18f53fe0f303 ath10k: fix throughput regression in multi client mode
--
Sent by pwcli
https://patchwork.kernel.org/patch/9303279/
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next prev parent reply other threads:[~2016-09-09 12:07 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-08-29 8:16 [PATCH] ath10k: fix throughput regression in multi client mode Rajkumar Manoharan
2016-08-29 8:16 ` Rajkumar Manoharan
2016-08-31 8:24 ` Kalle Valo
2016-08-31 8:24 ` Kalle Valo
2016-09-02 16:30 ` Valo, Kalle
2016-09-02 16:30 ` Valo, Kalle
2016-09-09 12:07 ` Kalle Valo [this message]
2016-09-09 12:07 ` Kalle Valo
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