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dkim=pass header.i=@siemens.com header.s=selector2 header.b=yJyHkkif; arc=pass (i=1 spf=pass spfdomain=siemens.com dkim=pass dkdomain=siemens.com dmarc=pass fromdomain=siemens.com); spf=pass (google.com: domain of felix.moessbauer@siemens.com designates 2a01:111:f403:c200::1 as permitted sender) smtp.mailfrom=felix.moessbauer@siemens.com; dmarc=pass (p=REJECT sp=REJECT dis=NONE) header.from=siemens.com X-Original-From: Felix Moessbauer Reply-To: Felix Moessbauer Precedence: list Mailing-list: list isar-users@googlegroups.com; contact isar-users+owners@googlegroups.com List-ID: X-Spam-Checked-In-Group: isar-users@googlegroups.com X-Google-Group-Id: 914930254986 List-Post: , List-Help: , List-Archive: , List-Unsubscribe: , X-Spam-Status: No, score=-4.9 required=5.0 tests=DKIMWL_WL_MED,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,MAILING_LIST_MULTI, RCVD_IN_DNSWL_BLOCKED,RCVD_IN_MSPIKE_H3,RCVD_IN_MSPIKE_WL, RCVD_IN_RP_CERTIFIED,RCVD_IN_RP_RNBL,RCVD_IN_RP_SAFE,SPF_PASS 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: eEn7cvO+CEjn Not a trivial change, but one that really pays off: On some real-world (non native) use cases the initrd generation takes more than 10 minutes. This is due to emulating the ldd, as well as the cpio and compression stages. With initramfs tools or the initramfs-tools wrapped dracut, we don't see any possibility to significantly speed up the process (and cross-building is also not supported). However, with direct invocation of dracut, cross-compiling the initramfs becomes feasible and significantly faster (on some cases more than 5x). This is especially relevant for initrd-only images, where the slow build times are already a blocker as of today. In combination with host-apt based package installation (not part of this series), this can cut the overall buildtime by a factor of 3x or more. Note, that isar-cip-core will soon profit from this change as well, as they plan to switch all initrd scripts to dracut. Changes since v1: - make dependency to host tooling chroot more precise: on external initrd bind it to the do_generate_initramfs task on internal initrd bind it to the do_rootfs_install task - rebased onto next No other changes. Best regards, Felix Moessbauer Felix Moessbauer (8): rootfs: generalize deployment of rootfs artifact dracut-module: make module-setup compatible with sysroot initramfs: move dracut logic to initrd-dracut class dracut: use fixed log level on generation for progress reporting dracut: enforce build of reproducible initrd add host-tooling chroot for generic host tooling dracut: add support for cross initrd generation rootfs: stub both dracut and update-initramfs on dracut .../dracut-example-lighttpd/files/install.sh | 12 ++-- .../recipes-initramfs/images/isar-dracut.bb | 4 +- meta/classes-recipe/host-tooling.bbclass | 14 ++++ meta/classes-recipe/imagetypes_wic.bbclass | 2 +- meta/classes-recipe/initramfs.bbclass | 2 + meta/classes-recipe/initrd-dracut.bbclass | 43 +++++++++++- meta/classes-recipe/rootfs-deploy.bbclass | 30 +++++++++ meta/classes-recipe/rootfs.bbclass | 39 +++++++---- meta/classes/sbom.bbclass | 2 +- meta/lib/rootfs_progress.py | 3 +- .../dracut-cross-ldd/dracut-cross-ldd.bb | 16 +++++ .../dracut-cross-ldd/files/dracut-cross-ldd | 65 +++++++++++++++++++ .../host-tooling-chroot.bb | 28 ++++++++ .../sbom-chroot/sbom-chroot.bb | 19 ++---- .../sbuild-chroot/sbuild-chroot.inc | 30 ++------- .../dracut-module/files/module-setup.sh.tmpl | 2 +- 16 files changed, 251 insertions(+), 60 deletions(-) create mode 100644 meta/classes-recipe/host-tooling.bbclass create mode 100644 meta/classes-recipe/rootfs-deploy.bbclass create mode 100644 meta/recipes-devtools/dracut-cross-ldd/dracut-cross-ldd.bb create mode 100644 meta/recipes-devtools/dracut-cross-ldd/files/dracut-cross-ldd create mode 100644 meta/recipes-devtools/host-tooling-chroot/host-tooling-chroot.bb -- 2.55.0 -- You received this message because you are subscribed to the Google Groups "isar-users" group. 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