Return-path: Received: from he.sipsolutions.net ([78.46.109.217]:60437 "EHLO sipsolutions.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753411Ab1FVOuJ (ORCPT ); Wed, 22 Jun 2011 10:50:09 -0400 Subject: Re: Performance regression between Madwifi/net80211 and ath5k/mac80211 From: Johannes Berg To: Joerg Pommnitz Cc: Adrian Chadd , linux-wireless@vger.kernel.org, ath5k-devel@lists.ath5k.org In-Reply-To: <1308753669.17439.YahooMailRC@web161208.mail.bf1.yahoo.com> References: <1308750102.64154.YahooMailRC@web161214.mail.bf1.yahoo.com> (sfid-20110622_154146_913504_76736765) <1308750416.29571.10.camel@jlt3.sipsolutions.net> <1308753669.17439.YahooMailRC@web161208.mail.bf1.yahoo.com> Content-Type: text/plain; charset="UTF-8" Date: Wed, 22 Jun 2011 16:50:04 +0200 Message-ID: <1308754204.29571.15.camel@jlt3.sipsolutions.net> (sfid-20110622_165013_676735_B307F0DB) Mime-Version: 1.0 Sender: linux-wireless-owner@vger.kernel.org List-ID: 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