diff options
| -rw-r--r-- | distribution/yocto-advanced/pres_yocto-advanced.tex | 33 | ||||
| -rw-r--r-- | distribution/yocto-basic/pres_yocto-basic.tex | 439 | ||||
| -rw-r--r-- | distribution/yocto-intro/pres_yocto-intro.tex | 27 |
3 files changed, 482 insertions, 17 deletions
diff --git a/distribution/yocto-advanced/pres_yocto-advanced.tex b/distribution/yocto-advanced/pres_yocto-advanced.tex index ae229ef..84377f7 100644 --- a/distribution/yocto-advanced/pres_yocto-advanced.tex +++ b/distribution/yocto-advanced/pres_yocto-advanced.tex @@ -3,23 +3,25 @@ \title{YOCTO - Advanced} \maketitle +\subsection{Freescale} \begin{frame} -\frametitle{define a distribution} +\frametitle{using meta-fsl} bla \end{frame} -DISTRO\_FEATURES - +\subsection{TI} \begin{frame} -\frametitle{SDK generation} +\frametitle{using meta-ti} bla \end{frame} \begin{frame} -\frametitle{SDK usage} +\frametitle{define a distribution} bla \end{frame} +DISTRO\_FEATURES + \begin{frame} \frametitle{creating a layer} bla @@ -38,6 +40,22 @@ bla use PR Service +Package Groups +•Package Group Recipe + DESCRIPTION = “My Package Group” + LICENSE = “MIT” + LIC_FILES_CHECKSUM = “file://<licfile>;md5=<chksum> + inherit packagegroup + PROVIDES = “${PACKAGES}” + PACKAGES = “packagegroup-mypkg-apps packagegroup-mypkg-tools” + RDEPENDS_packagegroup-mypkg-apps = “sqlite3 python-core python-sqlite3” + RDEPENDS_pacakgegroup-mypkg-tools = “sudo gzip tar” +•Image Recipe + IMAGE_INSTALL = “packagegroup-core-boot packagegroup-mypkg-apps” + Inherit core-image + + + \begin{frame} \frametitle{create bootable images for x86} t.b.d. @@ -129,4 +147,9 @@ PREFEREED\_PROVIDER\_virtual/kernel = "linux-yocto" \end{itemize} \end{frame} +\begin{frame} +\frametitle{Yocto \& ELBE combined} + bla +\end{frame} + \input{tailpres} diff --git a/distribution/yocto-basic/pres_yocto-basic.tex b/distribution/yocto-basic/pres_yocto-basic.tex index 715cd9c..64a4c02 100644 --- a/distribution/yocto-basic/pres_yocto-basic.tex +++ b/distribution/yocto-basic/pres_yocto-basic.tex @@ -14,9 +14,8 @@ \item Tasks \item Machines \item Configuration -\item Commands and Debug methods -\item Boundary Sabrelite Imagebuild -\item TI Beaglebone Black Imagebuild +\item Images - generation \& debug methods +\item SDK generation and usage \end{itemize} \end{frame} @@ -84,6 +83,21 @@ layers should be grouped by functionality \end{itemize} \end{frame} +\begin{frame}[fragile] + \frametitle{directory layout} + \begin{verbatim} +poky +├── bitbake +├── documentation +├── meta +├── meta-selftest +├── meta-skeleton +├── meta-yocto +├── meta-yocto-bsp +└── scripts + \end{verbatim} +\end{frame} + \subsection{Variable assignments} \begin{frame} \frametitle{available operators} @@ -525,6 +539,7 @@ an append file must be named after the base package: \begin{itemize} \item are defined and ordered in classes \item can be overriden by classes and recipes +\end{itemize} \end{frame} \begin{frame} @@ -618,7 +633,7 @@ an append file must be named after the base package: \item [do\_cleanall] removes all output files, shared state cache, and downloaded source files for a target \pause -\item [do\_cleanstate] removes all output files and shared state cache for a +\item [do\_cleansstate] removes all output files and shared state cache for a target \pause \item [do\_rm\_work] removes work files after the build system has finished @@ -812,21 +827,421 @@ that is used by the Board .conf file bla \end{frame} -\subsection{Commands \& Debugging} +\subsection{Images - generation \& debug methods} \begin{frame} -\frametitle{commands and debug methods} -bla +\frametitle{basics} +\begin{itemize} +\item images are constructed using the packages built earlier and put into the + Package Feeds +\pause +\item decisions of what to install on the image is based on the minimum + defined set of required components in an image recipe +\pause +\item this minimum set is then expanded based on dependencies to produce a + package solution +\pause +\item variety of formats (tar.bz2, ext2, ext3, jffs, \dots) are supported +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{prepare environment} +\begin{itemize} +\item bitbake is typically not installed into regular search paths +\pause +\item the environment of the bash is modified to find the commands +\pause +\item non-bash shells are not supported +\end{itemize} +\pause +\begin{verbatim} +% . ./oe-init-buildenv <builddir> +\end{verbatim} +\begin{itemize} +\item is used to modify the environment and change the CWD to <builddir> +\item ./oe-init-buildenv-memres is used to keep the bitbake-server running +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{build a predefined image} +\begin{verbatim} +% bitbake core-image-minimal +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{start the image} +\begin{verbatim} +% runqemu qemux86 core-image-minimal +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/ +├── buildstats +├── cache +├── deploy +├── log +├── sstate-control +├── stamps +├── sysroots +├── work +└── work-shared +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/buildstats/core-image-minimal-qemux86/201408271416/ +├── acl-2.2.52-r0 +├── acl-native-2.2.52-r0 +├── alsa-lib-native-1.0.27.2-r0 +├── attr-2.4.47-r0 +├── attr-native-2.4.47-r0 +├── autoconf-native-2.69-r11 +... +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/buildstats/core-image-minimal-qemux86/201408271416/acl-2.2.52-r0/ +├── do_compile +├── do_compile_ptest_base +├── do_configure +├── do_configure_ptest_base +├── do_fetch +├── do_install +├── do_install_ptest_base +├── do_package +├── do_packagedata +├── do_package_write_rpm +├── do_patch +├── do_populate_lic +├── do_populate_sysroot +└── do_unpack +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +408271416/acl-2.2.52-r0/do_unpack +Event: TaskStarted +Started: 1409143746.65 +acl-2.2.52-r0: do_unpack: Elapsed time: 0.22 seconds +CPU usage: 7.1% +EndIOinProgress: 0 +EndReadsComp: 973062 +EndReadsMerged: 543875573 +EndSectRead: 36860156 +EndSectWrite: 1158945211 +EndTimeIO: 30104972 +EndTimeReads: 5545878 +EndTimeWrite: 1455538600 +... +StartWritesComp: 12202741 +Status: PASSED +Ended: 1409143746.87 +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/ +├── buildstats +├── cache +├── deploy +├── log +├── sstate-control +├── stamps +├── sysroots +├── work +└── work-shared +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/deploy/ +├── images +│ └── qemux86 +│ ├── bzImage -> bzImage--3.14+git0+09424... +│ ├── core-image-minimal-qemux86-20140827121546.rootfs.ext3 +│ ├── core-image-minimal-qemux86-20140827121546.rootfs.manifest +│ ├── core-image-minimal-qemux86-20140827121546.rootfs.tar.bz2 +│ ├── core-image-minimal-qemux86.ext3 -> core-image... +│ ├── ... +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/deploy/ +├── licenses +│ ├── acl +│ │ ├── COPYING +│ │ ├── COPYING.LGPL +│ │ ├── generic_GPLv2 +│ │ └── generic_LGPLv2.1 +│ ├── acl-native +│ ├── alsa-lib-native +│ ├── apr-native +│ ├── .. +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/deploy/ +└── rpm + ├── all + │ ├── packagegroup-core-standalone-sdk-target-1.0-r8.all.rpm + │ ├── packagegroup-core-standalone-sdk-target-dbg-1.0-r8.all.rpm + │ ├── packagegroup-core-standalone-sdk-target-dev-1.0-r8.all.rpm + │ ├── repodata + │ ├── run-postinsts-1.0-r9.all.rpm + │ ├── ... + ├── i586 + ├── qemux86 + └── x86_64_nativesdk +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/ +... +├── log/cooker/qemux86/20140827121546.log +\end{verbatim} +\pause +\begin{verbatim} +├── sstate-control/manifest-<pn>.<task> +| /home/local/src/poky/build2/tmp/sysroots/x86_64-linux/usr/include/zconf.h +| /home/local/src/poky/build2/tmp/sysroots/x86_64-linux/usr/include/zlib.h +| /home/local/src/poky/build2/tmp/sysroots/x86_64-linux/usr/lib/libz.so.1 +\end{verbatim} +\pause +\begin{verbatim} +├── stamps # cache files +├── sysroots # for the differnet architectures +\end{verbatim} +\pause +\begin{verbatim} +├── work # work directories / where the sources are built +| % ls tmp/work/qemux86-poky-linux/linux-yocto/3.14+gitAUTOINC+0942... +| deploy-linux-yocto linux packages-split +| deploy-rpms linux-qemux86-standard-build pkgdata +| image linux-yocto.spec pseudo +| license-destdir package sysroot-destdir +| temp +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +tmp/ +└── work-shared +\end{verbatim} +For efficiency, the OpenEmbedded build system creates and uses this directory +to hold recipes that share a work directory with other recipes. + + +\vspace{2em} +In practice, this is only used for gcc and its variants. +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect the build} +\begin{verbatim} +downloads/ +\end{verbatim} +all fetched source tarballs \end{frame} -\subsection{Freescale} +\begin{frame}[fragile] +\frametitle{execute a specific task} +\begin{verbatim} +bitbake <recipe> -c <task +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{build dependencies} +dependency graphs (sucks because they're really huge) +\begin{verbatim} +bitbake -g <target> +\end{verbatim} +\pause +dependency explorer +\begin{verbatim} +bitbake -g -u depexp <target> +\end{verbatim} +\end{frame} + +\begin{frame}[fragile] +\frametitle{developer shell} +\begin{verbatim} +bitbake <recipe> -c devshell +\end{verbatim} +use ./configure and make to debug build issues +\end{frame} + +\begin{frame}[fragile] +\frametitle{inspect builds using toaster} +start toaster web application +\begin{verbatim} +poky/build % source toaster start +\end{verbatim} +\pause +run bitbake + +\vspace{2em} +\pause +use 'http://localhost:8000' to browse through the build informations +\pause +\begin{verbatim} +poky/build % source toaster stop +\end{verbatim} +is used to stop toaster (only one toaster per pc possible) +\vspace{2em} +\pause + +only actions between toaster start and stop are recorded +\end{frame} + +\begin{frame}[fragile] +\frametitle{cleanup} +\begin{verbatim} +% bitbake -c core-image-minimal +\end{verbatim} +\pause +\begin{itemize} +\item doesn't cleanup dependencies +\item doesn't remove deployed files +\item triggers repackaging of all packages +\end{itemize} + + +\vspace{2em} +\pause +To start from scratch backup the conf directory +and remove everything from build. +\end{frame} + +\begin{frame}[fragile] +\frametitle{cleanup} +\begin{verbatim} +% bitbake -c clean xserver-nodm-init +\end{verbatim} +\pause +\begin{itemize} +\item doesn't cleanup dependencies +\item removes deployed files +\item removes downloaded files +\item removes data from work and sysroot directory +\item doesn't remove data from sstate +\item triggers nothing, files from sstate are used +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{cleanup} +\begin{verbatim} +% bitbake -c cleanall xserver-nodm-init +\end{verbatim} +\pause +\begin{itemize} +\item doesn't cleanup dependencies +\item removes deployed files +\item removes downloaded files +\item removes data from work and sysroot directory +\item removes data from sstate +\item triggers fetch, compilation and packaging of the component +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{force recompilation} +\begin{verbatim} +% bitbake -f -c compile xserver-nodm-init +\end{verbatim} +\begin{itemize} +\item changes are not in the image +\item and not in the package +\end{itemize} +\end{frame} + +\subsection{SDK generatrion \& usage} \begin{frame} -\frametitle{using meta-fsl} -bla +\frametitle{Yocto ADT} +Core Components +\vspace{2em} +\begin{itemize} +\item System Root +\item QEMU Emulator +\item Cross Development Toolchain +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{Yocto ADT} +Eclipse Plugin +\vspace{2em} +\begin{itemize} +\item Roundtrip Application Development +\item Toolchain/System Root Integration +\item Emulated and Hardware Targets +\item Application Templates +\item On-target Debugging +\end{itemize} +\end{frame} + +\begin{frame} +\frametitle{Yocto ADT} +Profiling Tools +\vspace{2em} +\begin{itemize} +\item LatencyTOP +\item PowerTOP +\item OProfile +\item Perf +\item SystemTap +\item Lttng-ust +\end{itemize} +\end{frame} + +\begin{frame}[fragile] +\frametitle{build a toolchain} +\begin{verbatim} +poky/build % bitbake meta-toolchain +\end{verbatim} +\vspace{2em} +tmp/deploy/sdk/poky-eglibc-x86\_64-meta-toolchain-i586-toolchain-1.6.1.sh +\end{frame} + +\begin{frame}[fragile] +\frametitle{build adt installer} +\begin{verbatim} +poky/build % bitbake adt-installer +\end{verbatim} +\vspace{2em} +tmp/deploy/sdk/adt\_installer.tar.bz2 \end{frame} -\subsection{TI} \begin{frame} -\frametitle{using meta-ti} +\frametitle{SDK usage} bla \end{frame} diff --git a/distribution/yocto-intro/pres_yocto-intro.tex b/distribution/yocto-intro/pres_yocto-intro.tex index c7d30e9..c51f334 100644 --- a/distribution/yocto-intro/pres_yocto-intro.tex +++ b/distribution/yocto-intro/pres_yocto-intro.tex @@ -4,6 +4,33 @@ \maketitle \begin{frame} +\frametitle{Agenda} +\begin{itemize} + \item Intro + \begin{itemize} + \item What is Yocto? + \item History + \item Yocto compared with other methods + \end{itemize} + \pause + \item Basics + \begin{itemize} + \item Understand the workflow + \item Build predefined images / SDKs + \item Inspect / Debug builds + \end{itemize} + \pause + \item Advanced + \begin{itemize} + \item Using BSP layers (fsl/ti) + \item Create layers \& recipes + \item Create images + \item Yocto \& ELBE combined + \end{itemize} +\end{itemize} +\end{frame} + +\begin{frame} \frametitle{Yocto is \dots} \begin{itemize} \item an Ecosystem (not a single open-source project) |