From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 6519064121652019200 X-Received: by 10.25.150.9 with SMTP id y9mr2055240lfd.7.1517838096850; Mon, 05 Feb 2018 05:41:36 -0800 (PST) X-BeenThere: isar-users@googlegroups.com Received: by 10.25.226.25 with SMTP id z25ls812312lfg.11.gmail; Mon, 05 Feb 2018 05:41:36 -0800 (PST) X-Google-Smtp-Source: AH8x2278KDpqGeLuJ1cAB4IrsUf4cuudmQhohwZuyRRxc5/HdOLTFrS21a3TzAkaRCD4swZOf7ec X-Received: by 10.25.18.85 with SMTP id h82mr3772301lfi.4.1517838096062; Mon, 05 Feb 2018 05:41:36 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1517838096; cv=none; d=google.com; s=arc-20160816; b=py1E3A+VlMHPNEQim18EP1fKG+beybFK9LODnKWZEwi6nJ/cYzVj9FDw6/pcl5tIWf wlTHyVpuf3zm70uEvPLNucJwsAO+MGCRQuUr+iHc4wCZOGoCgDF5lI4CMRHo+ahOVVES anplMzJ2VLJ9wbvHAqmEjHWxISOd/p51Ll1M4K3bIzWr5p3AIO70OG7t+dFjGBZB+DIa Uo5plQi8HzCDyjdxRnfbpw5Zc2EipRK2532QEv35W2alZwhiFV29W9yvHZzSBb5FUrcu nU7e1n3OpoU7Uu6LFIS1ZBf9zWJm/ETApAsYsGBlwUc6nl8+eo1LnLP9JVo6+Bv+U5Yv AFeA== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:content-language:in-reply-to:mime-version :user-agent:date:message-id:from:references:to:subject :arc-authentication-results; bh=S99kRmVeOVZ3vSPz5baFepkApL0IJAZEPSxHXjpVoC8=; b=mZ0pL7jSsLN82uMtKx+OTx8adjN/r+YWQ2oqoNgBfqLhO6mNxm7k0kdDioHCztDleJ ekTJ74QUq9eBeGO0otXobyZOIb3G9wFw5kLY+NmVdkiz2oxrnx2NxbGHm3y3kiWJQ6ZE r8J2eflCP68knXgJdQwXlsG1Glj4lDmiW6bCnqZs09BOvGQmUTJ43I9JeyPY5mx4jmcl Hqaz8lrYWezW+gYkZpYLWM5NlEe29DmsDn1BI8q4iETV6AV5jP7zLaMscpNQG6MCQSks W6cWWdhtTeACOUaDS2yaT2lDkv6F6P9plS7VERPjnBk+2dBTy9UWayyCcQRsDWqT4x7w ZkcA== ARC-Authentication-Results: i=1; gmr-mx.google.com; spf=pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.14 as permitted sender) smtp.mailfrom=jan.kiszka@siemens.com Return-Path: Received: from david.siemens.de (david.siemens.de. [192.35.17.14]) by gmr-mx.google.com with ESMTPS id w29si646504lfc.5.2018.02.05.05.41.35 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 05 Feb 2018 05:41:35 -0800 (PST) Received-SPF: pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.14 as permitted sender) client-ip=192.35.17.14; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of jan.kiszka@siemens.com designates 192.35.17.14 as permitted sender) smtp.mailfrom=jan.kiszka@siemens.com Received: from mail3.siemens.de (mail3.siemens.de [139.25.208.14]) by david.siemens.de (8.15.2/8.15.2) with ESMTPS id w15DfYkR027382 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 5 Feb 2018 14:41:34 +0100 Received: from [139.25.68.37] (md1q0hnc.ad001.siemens.net [139.25.68.37] (may be forged)) by mail3.siemens.de (8.15.2/8.15.2) with ESMTP id w15DfYXp004565; Mon, 5 Feb 2018 14:41:34 +0100 Subject: Re: bitbake multiconfig pipeline serialization To: Alexander Smirnov , isar-users , "Larson, Chris" References: <85e28a77-1e98-2031-8405-9f9bc58fb482@ilbers.de> From: Jan Kiszka Message-ID: <8713b76c-ba16-dc93-2cf9-a432c7f26c05@siemens.com> Date: Mon, 5 Feb 2018 14:41:34 +0100 User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 In-Reply-To: <85e28a77-1e98-2031-8405-9f9bc58fb482@ilbers.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit X-TUID: vcIcXuRqIB5o On 2018-02-05 14:38, Alexander Smirnov wrote: > Hi all, > > I've noticed some undesired behavior in bitbake using multiconfig - it > never runs the same recipe:task in parallel for different configurations. > > For example: >  - You are going to build 'arm-jessie' and 'x86-jessie'. >  - Task buildchroot:do_rootfs will be serialized, for example 'arm' will > be completed first and *only* then 'x86' will be started. > > I see no technical issues to run them in parallel in Isar, because we > have completely split multiconfigs in our 'tmp/work' directory. > > I've briefly checked bitbake 'git log' and found some commits that could > somehow related to this serialization: > >  - 937acf267fa9e45f538695b2cf8aa83232a96240 >  - a9041fc96a14e718c0c1d1676e705343b9e872d3 > > So if somebody knows more details about this issue, I'll be happy to see > them here :-) > Chris, can you enlighten us? Jan -- Siemens AG, Corporate Technology, CT RDA IOT SES-DE Corporate Competence Center Embedded Linux