From: "John W. Linville" <linville@tuxdriver.com>
To: "Nathaniel J. Smith" <njs@pobox.com>
Cc: linux-wireless@vger.kernel.org, wey-yi.w.guy@intel.com,
ilw@linux.intel.com
Subject: Re: [PATCH 0/5] iwlwifi: Auto-tune tx queue size to maintain latency under load
Date: Wed, 16 Feb 2011 10:50:11 -0500 [thread overview]
Message-ID: <20110216155011.GC10287@tuxdriver.com> (raw)
In-Reply-To: <1297619803-2832-1-git-send-email-njs@pobox.com>
On Sun, Feb 13, 2011 at 09:56:37AM -0800, Nathaniel J. Smith wrote:
> This patch series teaches the driver to measure the average rate of
> packet transmission for each tx queue, and adjusts the queue size
> dynamically in an attempt to achieve ~2 ms of added latency.
How did you pick this number? Is there research to support this as
the correct target for link latency?
John
--
John W. Linville Someday the world will need a hero, and you
linville@tuxdriver.com might be all we have. Be ready.
next prev parent reply other threads:[~2011-02-16 16:00 UTC|newest]
Thread overview: 48+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-02-13 17:56 [PATCH 0/5] iwlwifi: Auto-tune tx queue size to maintain latency under load Nathaniel J. Smith
2011-02-13 17:56 ` [PATCH 1/5] iwlwifi: Simplify tx queue management Nathaniel J. Smith
2011-02-14 9:57 ` Johannes Berg
2011-02-14 22:17 ` Nathaniel Smith
2011-02-14 22:45 ` wwguy
2011-02-15 0:15 ` Dave Täht
2011-02-16 9:16 ` Stanislaw Gruszka
2011-02-16 14:41 ` John W. Linville
2011-02-16 15:13 ` wwguy
2011-02-15 12:11 ` Johannes Berg
2011-02-14 15:33 ` wwguy
2011-02-13 17:56 ` [PATCH 2/5] iwlwifi: Convert the tx queue high_mark to an atomic_t Nathaniel J. Smith
2011-02-14 12:16 ` Johannes Berg
2011-02-14 22:35 ` Nathaniel Smith
2011-02-15 12:08 ` Johannes Berg
2011-02-15 17:37 ` Nathaniel Smith
2011-02-13 17:56 ` [PATCH 3/5] iwlwifi: Invert the sense of the queue high_mark Nathaniel J. Smith
2011-02-13 17:56 ` [PATCH 4/5] iwlwifi: auto-tune tx queue size to minimize latency Nathaniel J. Smith
2011-02-14 12:17 ` Johannes Berg
2011-02-14 21:58 ` Nathaniel Smith
2011-02-15 12:13 ` Johannes Berg
2011-02-15 15:03 ` John W. Linville
2011-02-16 8:59 ` Johannes Berg
2011-02-15 17:31 ` Nathaniel Smith
2011-02-14 15:46 ` wwguy
2011-02-13 17:56 ` [PATCH 5/5] iwlwifi: make current tx queue sizes visible in debugfs Nathaniel J. Smith
2011-02-14 0:32 ` [PATCH 0/5] iwlwifi: Auto-tune tx queue size to maintain latency under load Julian Calaby
2011-02-14 3:28 ` Nathaniel Smith
2011-02-16 15:50 ` John W. Linville [this message]
2011-02-16 23:08 ` Nathaniel Smith
2011-02-16 23:42 ` wwguy
2011-02-17 1:49 ` [RFC] mac80211: implement eBDP algorithm to fight bufferbloat John W. Linville
2011-02-17 3:31 ` Ben Greear
2011-02-17 4:26 ` Nathaniel Smith
2011-02-17 8:31 ` Johannes Berg
2011-02-18 21:21 ` [RFC v2] " John W. Linville
2011-02-19 3:44 ` Nathaniel Smith
2011-02-21 18:47 ` John W. Linville
2011-02-21 23:26 ` Nathaniel Smith
2011-02-23 22:28 ` John W. Linville
2011-02-25 18:21 ` Nathaniel Smith
2011-02-25 18:27 ` Nathaniel Smith
2011-02-20 0:37 ` Nathaniel Smith
2011-02-21 18:52 ` John W. Linville
2011-02-21 15:28 ` Johannes Berg
2011-02-21 19:06 ` John W. Linville
2011-02-21 20:26 ` Tianji Li
2011-02-28 13:07 ` Johannes Berg
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