From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-3.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5806FC2D0A8 for ; Wed, 30 Sep 2020 05:21:03 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 114BF20EDD for ; Wed, 30 Sep 2020 05:21:03 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725837AbgI3FVC (ORCPT ); Wed, 30 Sep 2020 01:21:02 -0400 Received: from muru.com ([72.249.23.125]:45702 "EHLO muru.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725306AbgI3FVB (ORCPT ); Wed, 30 Sep 2020 01:21:01 -0400 Received: from atomide.com (localhost [127.0.0.1]) by muru.com (Postfix) with ESMTPS id 483ED80BF; Wed, 30 Sep 2020 05:21:04 +0000 (UTC) Date: Wed, 30 Sep 2020 08:20:57 +0300 From: Tony Lindgren To: Laurent Pinchart Cc: Tomi Valkeinen , Linux-OMAP Subject: Re: Slow booting on x15 Message-ID: <20200930052057.GP9471@atomide.com> References: <20200918155844.GH28436@pendragon.ideasonboard.com> <20200923070758.GT7101@atomide.com> <20200923111346.GA3980@pendragon.ideasonboard.com> <20200924054220.GA9471@atomide.com> <20200924055313.GC9471@atomide.com> <20200924060826.GE9471@atomide.com> <20200924133049.GH3968@pendragon.ideasonboard.com> <20200925115147.GM9471@atomide.com> <20200925115817.GB3933@pendragon.ideasonboard.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20200925115817.GB3933@pendragon.ideasonboard.com> Precedence: bulk List-ID: X-Mailing-List: linux-omap@vger.kernel.org * Laurent Pinchart [200925 11:59]: > On Fri, Sep 25, 2020 at 02:51:47PM +0300, Tony Lindgren wrote: > > This is from beagle x15. I wonder how Tomi is seeing over six seconds > > at that point though while I'm seeing two something. > > And I see 10s on the same platform. Hmm I wonder why that does not happen to me? I don't have any displays connected currently, maybe that makes a difference? Can you guys try to bisect it down? > > > Still, 1.5s spent there is quite a lot. > > > > Probably that's when module_init runs and we probe almost everything. > > Might be worth profiling to see if we can optimize out some full dtb > > tree searches for example. > > As far as I can tell, module_init() runs later than that. If we probed > everything there would be lots of messages printed during that period of > time. Hmm OK. Sorry no ideas other than than me not having displays connected currently. Regards, Tony