From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from nm.newmedia-net.de ([217.113.179.122] helo=webmail.newmedia-net.de) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1Yx1Mc-0003pl-PV for ath10k@lists.infradead.org; Mon, 25 May 2015 23:00:55 +0000 References: <1431434736-7077-1-git-send-email-michal.kazior@tieto.com> <874mn68jl7.fsf@kamboji.qca.qualcomm.com> <87oal83kv4.fsf@kamboji.qca.qualcomm.com> <5563577E.4020208@dd-wrt.com> <5563584A.80604@candelatech.com> <55636088.1080506@dd-wrt.com> <55636198.8020802@candelatech.com> <55637637.8020103@dd-wrt.com> <556378E3.7050707@candelatech.com> <55639395.6070207@dd-wrt.com> <5563A491.8070701@candelatech.com> From: Sebastian Gottschall Message-ID: <5563A990.5000606@dd-wrt.com> Date: Tue, 26 May 2015 01:00:32 +0200 MIME-Version: 1.0 In-Reply-To: <5563A491.8070701@candelatech.com> Subject: Re: possible memory leak or memory waste List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "ath10k" Errors-To: ath10k-bounces+kvalo=adurom.com@lists.infradead.org To: Ben Greear , ath10k@lists.infradead.org Am 26.05.2015 um 00:39 schrieb Ben Greear: > Default firmware has a hard-coded minimum number of tx buffers (somewhere > more than 1k buffers I think). Maybe driver is allocating all this > memory somehow? > > If you do one-way traffic tests (udp), I wonder if you can tell if it > is tx > or rx that consumes the memory? its tx. i have a ethernet over ip tunnel running on that link and i broadcast iptv in that way. (its my way to convert multicast to unicast) the tunnel itself is rfc ethernet over ip, which is somewhat like udp. so connectionless protocol Sebastian > > CT firmware can be configured to use any multiple-of-8 amount of tx > buffers, though I have not tested below around 600. > > Thanks, > Ben > > On 05/25/2015 02:26 PM, Sebastian Gottschall wrote: >> today using the latest testing driver, i found out the memory >> consumption is unbelievable high. >> my router here has 64 mb ram. this ram is fully taken after some >> minutes by ath10k. but only if data flow present. >> >> here the results of "free" after some minutes >> root@DD-WRT:~# free >> total used free shared buffers >> Mem: 61636 58752 2884 0 2600 >> -/+ buffers: 56152 5484 >> Swap: 0 0 0 >> >> >> now i terminate hostapd which controls the ath10k chipset >> >> >> root@DD-WRT:~# kill 902 >> root@DD-WRT:~# free >> total used free shared buffers >> Mem: 61636 23212 38424 0 2416 >> -/+ buffers: 20796 40840 >> Swap: 0 0 0 >> >> >> you see the difference? >> >> >> regards, >> Sebastian Gottschall >> >> _______________________________________________ >> ath10k mailing list >> ath10k@lists.infradead.org >> http://lists.infradead.org/mailman/listinfo/ath10k >> > _______________________________________________ ath10k mailing list ath10k@lists.infradead.org http://lists.infradead.org/mailman/listinfo/ath10k