From mboxrd@z Thu Jan 1 00:00:00 1970 From: Felix Fietkau Date: Tue, 05 Apr 2011 22:09:17 +0200 Subject: [ath9k-devel] ath9k performance issues In-Reply-To: <20110405195753.GA15095@regiomontanus> References: <20110405154421.GA11830@regiomontanus> <4D9B3C51.8080209@openwrt.org> <20110405161925.GA25486@regiomontanus> <4D9B494C.7020801@openwrt.org> <20110405195753.GA15095@regiomontanus> Message-ID: <4D9B76ED.7020309@openwrt.org> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: ath9k-devel@lists.ath9k.org On 2011-04-05 9:57 PM, Bernhard Walle wrote: > * Felix Fietkau [2011-04-05 18:54]: >> > >> >I'm using 2.6.38.1 ath9k which is at ~80 % CPU, starting from 2.6.37.1 >> >with ~90 % CPU which was still an improvement. Do you think that >> >compat-wireless gives still a performance boost? >> Not sure. These numbers sound awfully high to me. Maybe you should >> do some profiling to figure out what's using all this CPU time. > > Just to make sure: my Octeon runs at 300 MHz. Do you think that numbers > are too much? Userspace profiling showed that the CPU goes to sendto(), > of course. Which profiling method do you recommend for MIPS -- oprofile? Yes, I was using oprofile when I was working on improving ath9k performance. - Felix