Subject: Re: Performance regression between Madwifi/net80211 and
 ath5k/mac80211
From: Johannes Berg <johannes@sipsolutions.net>
To: Joerg Pommnitz <pommnitz@yahoo.com>
Cc: Adrian Chadd <adrian@freebsd.org>, linux-wireless@vger.kernel.org,
	ath5k-devel@lists.ath5k.org
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Date: Wed, 22 Jun 2011 16:50:04 +0200
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On Wed, 2011-06-22 at 07:41 -0700, Joerg Pommnitz wrote:

> To answer your actual question: No, there doesn't seem to be a
> difference in CPU usage as shown by top. If anything, madwifi 
> seems to use a little bit more:
> 
> madwifi: 85,5% idle, 10% si
> ath5k  : 89% idle,   10% si

That seems insignificant with so much idle.

> The CPU is:
> 
> processor    : 0
> vendor_id    : GenuineIntel
> cpu family    : 6
> model        : 13
> model name    : Intel(R) Celeron(R) M processor         1.00GHz

So it should be a fairly capable system.

I guess you'll need more help from the HW people here.

johannes