From mboxrd@z Thu Jan 1 00:00:00 1970 X-GM-THRID: 7127570847942836224 X-Received: by 2002:a2e:a808:0:b0:25f:f326:f2ab with SMTP id l8-20020a2ea808000000b0025ff326f2abmr6980818ljq.152.1660662683516; Tue, 16 Aug 2022 08:11:23 -0700 (PDT) X-BeenThere: isar-users@googlegroups.com Received: by 2002:ac2:5f63:0:b0:48a:f49f:61c4 with SMTP id c3-20020ac25f63000000b0048af49f61c4ls3786480lfc.2.-pod-prod-gmail; Tue, 16 Aug 2022 08:11:22 -0700 (PDT) X-Google-Smtp-Source: AA6agR7KiF1eMWUC9XwFuYrr/TwJSLLzhwuXhgA6XnC+VhRTyuEwPAJzIl8B7dwVbra4QFS7B1fb X-Received: by 2002:ac2:58d6:0:b0:48b:2ef5:18c7 with SMTP id u22-20020ac258d6000000b0048b2ef518c7mr6999433lfo.605.1660662682060; Tue, 16 Aug 2022 08:11:22 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1660662682; cv=none; d=google.com; s=arc-20160816; b=GVLH1RAVdW/38pX/oh+n9rqzwmqgsWNjiiJzV/NfcjOVqmzL+aumk29ai2Uv20VCGk GEQ2NuJLFIa+9ATG/bqDxQD/QCCA1KUY4O7jQ3PqkA1LXo98nV6PV9gaI3k1bMiSB7aP RlQ2PACzyC3H99zSkweDvnSl7z49KA5re1EAuE6XkXKetn6mjUDpcWmNvO5yrrDVtsGT 0b7TEcXVrFzV71tUXqOApiLLKqJM1ngzUvCU6rROj1vWy+6gJngAsrG07N/aF430nVIt Jrkxshi+6S712N3BVw8LHTxDoA7EvnWhlNMTScNAiytIGYfJcKeTYTp1EYPo6pLH2ehn 0Xeg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id; bh=X1zPu7B+MN2iMscR0z1gS3fHqI5KnbFST0g388SB428=; b=ncZV7Nx17JcNM6Y9cSs1nhLUSWcXboLybYvW008oPIVomI8zhB6DjI0SrhHqpvdxdJ 4XWy1aME/q924JCu7VEpHsqDozl6NIP3onj1glo7Y94J2gJjC00VQ6G/AqEONMlLuwmZ Jch8RuSDwz3t9szWRCaCVUGsHIhxz3RFgAVBQw6zUb5YimTqByLDFV35X3to/4MZ6Lhx CKfJrlBqLkwrBxXvu1hEWg4a8PCBu+KRvWnVt+xvImqFh6HyKU0HzpegbaTah1/mnZuE OyONRFuC3QHbI0Asp9rOvXBPKEzk/7UQ9cI+QkbxlUt1+3dZBfFuvITHLRzxH1dcLhpJ vn+g== ARC-Authentication-Results: i=1; gmr-mx.google.com; spf=pass (google.com: domain of amikan@ilbers.de designates 85.214.156.166 as permitted sender) smtp.mailfrom=amikan@ilbers.de Return-Path: Received: from shymkent.ilbers.de (shymkent.ilbers.de. [85.214.156.166]) by gmr-mx.google.com with ESMTPS id t1-20020a2e8e61000000b0026187cf0f12si321800ljk.8.2022.08.16.08.11.21 for (version=TLS1_2 cipher=ECDHE-ECDSA-CHACHA20-POLY1305 bits=256/256); Tue, 16 Aug 2022 08:11:21 -0700 (PDT) Received-SPF: pass (google.com: domain of amikan@ilbers.de designates 85.214.156.166 as permitted sender) client-ip=85.214.156.166; Authentication-Results: gmr-mx.google.com; spf=pass (google.com: domain of amikan@ilbers.de designates 85.214.156.166 as permitted sender) smtp.mailfrom=amikan@ilbers.de Received: from [127.0.0.1] (host-80-81-17-52.static.customer.m-online.net [80.81.17.52]) (authenticated bits=0) by shymkent.ilbers.de (8.15.2/8.15.2/Debian-8+deb9u1) with ESMTPSA id 27GFBI6u027686 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Tue, 16 Aug 2022 17:11:20 +0200 Message-ID: Date: Tue, 16 Aug 2022 18:11:18 +0300 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.11.0 Subject: Re: [PATCH v2] use xz and gzip on host (outside chroot) Content-Language: en-US To: Felix Moessbauer , isar-users@googlegroups.com Cc: henning.schild@siemens.com, Adriaan Schmidt , Baurzhan Ismagulov References: <20220808073613.133842-1-felix.moessbauer@siemens.com> From: Anton Mikanovich In-Reply-To: <20220808073613.133842-1-felix.moessbauer@siemens.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-1.0 required=5.0 tests=ALL_TRUSTED autolearn=unavailable autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on shymkent.ilbers.de X-TUID: EnhSYcZgL5nr 08.08.2022 10:36, Felix Moessbauer wrote: > From: Adriaan Schmidt > > This patch significantly speeds up the final image compression > as the compression itself is no longer emulated. > > For gzip, no additional dep has to be installed on the system, > for xz the xz-utils package has to be installed but this will > be required from bitbake 2.0 on anyways. > > Signed-off-by: Adriaan Schmidt > Acked-by: Felix Moessbauer Hello, I've made some investigations to collect compression speed statistics on qemuarm64-bullseye Isar target with 490Mb rootfs. Here are the results: XZ: Buildchroot xz (QEMU):   45.305s Host xz:                 18.783s GZIP: Buildchroot gzip (QEMU):   4m30.155s Host gzip:                 1m30.135s Buildchroot gzip (native): 1m27.162s Buildchroot pigz (QEMU):     32.265s Host pigz:                   13.131s So it looks reasonable to use native compression and we really need to think about removing ISAR_CROSS_COMPILE="0" for imager. We also can try to use parallelized pigz for gzip compression.