From mboxrd@z Thu Jan 1 00:00:00 1970 From: Christian Robottom Reis Subject: Re: Issues with ondemand governor Date: Fri, 26 Nov 2010 20:38:15 -0200 Message-ID: <20101126223815.GU30563@anthem.async.com.br> References: <4CEA959F.9000505@verisign.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <4CEA959F.9000505-0nFLJxsdniVWk0Htik3J/w@public.gmane.org> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: linaro-dev-bounces-cunTk1MwBs8s++Sfvej+rw@public.gmane.org Errors-To: linaro-dev-bounces-cunTk1MwBs8s++Sfvej+rw@public.gmane.org To: David C Niemi , Nicolas Pitre Cc: linaro-dev-cunTk1MwBs8s++Sfvej+rw@public.gmane.org, cpufreq-u79uwXL29TY76Z2rM5mHXA@public.gmane.org On Mon, Nov 22, 2010 at 11:09:03AM -0500, David C Niemi wrote: > The general problem here is that the ondemand governor is aimed more at > power savings than performance. In cases where the ondemand governor > performs worse than the performance governor, the "sampling_down_factor" > tunable is often useful. I submitted the patch to add this tunable a > few weeks ago and it was acked by Venki, but I don't know what happened > to it after that. Would you like to get it merged into linux-linaro? Given it's been ack'd I think Nicolas might be willing to consider it: http://kerneltrap.org/mailarchive/linux-kernel/2010/10/6/4628889/thread -- Christian Robottom Reis | [+55] 16 9112 6430 | http://launchpad.net/~kiko Linaro Engineering VP | [ +1] 612 216 4935 | http://async.com.br/~kiko