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Message-ID: <1423574079.28434.21.camel@edumazet-glaptop2.roam.corp.google.com> Date: Tue, 10 Feb 2015 05:14:39 -0800 From: Eric Dumazet <eric.dumazet@...il.com> To: Michal Kazior <michal.kazior@...to.com> Cc: Neal Cardwell <ncardwell@...gle.com>, linux-wireless <linux-wireless@...r.kernel.org>, Network Development <netdev@...r.kernel.org>, Eyal Perry <eyalpe@....mellanox.co.il> Subject: Re: Throughput regression with `tcp: refine TSO autosizing` On Tue, 2015-02-10 at 11:33 +0100, Michal Kazior wrote: > ath10k_core_napi_dummy_poll, 64); > + ewma_init(&ar->tx_delay_us, 16384, 8); 1) 16384 factor might be too big. 2) a weight of 8 seems too low given aggregation values used in wifi. On 32bit arches, the max range for ewma value would be 262144 usec, a quarter of a second... You could use a factor of 64 instead, and a weight of 16. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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