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\input{configpres}
\title{YOCTO - Intro}
\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
\item Using ADT
\end{itemize}
\pause
\item Advanced
\begin{itemize}
\item Using BSP layers (beaglebone-black)
\item Build a predefined image (beaglebone-black)
\item Define a distribution
\item Create layers \& recipes
\item Create images
\end{itemize}
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Yocto is \dots}
\begin{itemize}
\item an Ecosystem (not a single open-source project)
\pause
\item a collection of embedded projects and tooling
\pause
\item a place for Industry to publish BSPs
\pause
\item NOT an embedded Linux distribution
\end{itemize}
\pause
\dots used to build a Linux system from source in about an hour \footnote{quad i7, 16GB
RAM, fast disks, needed}
\end{frame}
\begin{frame}
\frametitle{the Yocto project family}
\begin{description}
\item[Poky] reference build system
\begin{description}
\item[BitBake] build-engine
\item[Hob] graphical user interface for BitBake
\item[OpenEmbedded Core] shared base layer of recipes and classes
\end{description}
\item[ADT] development environment for user-space applications
\item[Eclipse IDE Plugin] integration of ADT into the Eclipse IDE
\end{description}
\end{frame}
\begin{frame}
\frametitle{Poky is \dots}
the Yocto key project; a reference distribution consisting of
\begin{itemize}
\item a build system for Linux (openembedded + customized busybox,
psplash, alsa-state, formfactor, uclibc and tiny-init)
\pause
\item Yocto Linux kernel
\pause
\item build recipes for common open-source software
\pause
\item toolchains for several architectures
\pause
\item documentation
\end{itemize}
release cycle: 6 months
\end{frame}
\begin{frame}
\frametitle{statistics 2015}
\begin{description}
\item[Generated] 2015-04-29 09:25:24 (in 199 seconds)
\item[Generator] GitStats (version 2013.12.07)
\item[Report Period] 2005-08-31 12:45:47 to 2015-04-27 19:10:40
\item[Age] 3527 days, 2732 active days (77.46%)
\item[Total Files] 5147
\item[Total Lines of Code] 661023 (15597747 added, 14936724 removed)
\item[Total Commits] 33870
(average 12.4 commits per active day, 9.6 per all days)
\item[Authors] 564
\end{description}
\end{frame}
\begin{frame}
\frametitle{statistics 2014}
\begin{description}
\item[Generated] 2014-08-19 18:16:11 (in 228 seconds)
\pause
\item[Generator] GitStats (version 2013.12.07)
\pause
\item[Report Period] 2005-08-31 12:45:47 to 2014-08-18 16:21:54
\pause
\item[Age] 3275 days, 2498 active days (76.27%)
\pause
\item[Total Files] 4775
\pause
\item[Total Lines of Code] 743995 (15398000 added, 14654005 removed)
\pause
\item[Total Commits] 30841
(average 12.3 commits per active day, 9.4 per all days)
\pause
\item[Authors] 475
\end{description}
\end{frame}
\begin{frame}[fragile]
\frametitle{who made Yocto?}
commits by domain
\begin{verbatim}
intel.com 9201 (29.83%)
linux.intel.com 5882 (19.07%)
openedhand.com 5423 (17.58%)
windriver.com 2827 (9.17%)
linuxfoundation.org 2625 (8.51%)
gmail.com 1904 (6.17%)
mentor.com 626 (2.03%)
ossystems.com.br 206 (0.67%)
dominion.thruhere.net 187 (0.61%)
freescale.com 159 (0.52%)
\end{verbatim}
\end{frame}
\begin{frame}
\frametitle{OpenEmbedded}
\begin{itemize}
\item open-source project providing a cross-build framework for embedded Linux
\pause
\item recipes for toolchain, bootloader, kernel, lttng, user-space packages
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{Yocto pincipals}
\begin{itemize}
\item validated collection of software (toolchain, kernel, user-space)
\pause
\item customize blueprints for your own needs
\pause
\item distinguishing between app and system developers
\pause
\item layer model for modular development, reuse, and customizations
\end{itemize}
\end{frame}
\begin{frame}
\frametitle{cross-build vs. binary distribution}
\begin{itemize}
\item men-power needed for building an own distribution?
\pause
\item security tracking?
\pause
\item optimizations needed on all binaries?
\pause
\item cross-compile wanted?
\end{itemize}
\end{frame}
\input{tailpres}
|
