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From: Ben Greear <greearb@candelatech.com>
To: "linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>
Subject: Why is throughput so bad with lots of virtual stations?
Date: Fri, 30 Mar 2012 20:56:30 -0700	[thread overview]
Message-ID: <4F76806E.2010101@candelatech.com> (raw)

I notice that when I get, say, 200 virtual stations on a radio (ath9k),
the total throughput becomes about 100 packets per second.  It can run
several thousands of packets per second with 10 or so stations.

According to the xmit debugfs file, the radio is basically idle.
It's queues are empty almost all of the time, few retransmits, etc.

This is on the 3.0.26 kernel.

If anyone has any ideas of what might need work, please let me know.

I'll start digging into the code to see what I can see.

Thanks,
Ben

-- 
Ben Greear <greearb@candelatech.com>
Candela Technologies Inc  http://www.candelatech.com

             reply	other threads:[~2012-03-31  3:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-03-31  3:56 Ben Greear [this message]
2012-03-31  9:59 ` Why is throughput so bad with lots of virtual stations? Christian Lamparter
2012-03-31 20:39   ` Ben Greear

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