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October 31 - November 1 - Co-Located Events October 28-30 - Conference - Lyon, France More information for + Europe 2019 In industrial products, 10+ years maintenance is required, including security fixes, reproducible builds, and continuous system updates.
Selecting appropriate base systems and tools is necessary for efficient product development.
Debian has been applied to industrial products because of its stability, long-term supports, and see more tools for packages development.
The CIP Project, which provides scalable and customizable base image and BSP layers, is now used in various embedded devices.
The speakers introduce the two different approaches to satisfy the requirements above; Deby and ISAR.
Both provide simple but effective functions to customize and maintain Debian for embedded products.
This talk not only explains preferred use cases of each approach, how to apply to product development, and relation with other open source projects but also how the CIP project supports building a sustainable industrial-grade Linux distribution.
Jan Kiszka is working as consultant, open source evangelist and senior software engineer in the Competence Center for Embedded Linux at Siemens Corporate Technology.
He is supporting Siemens division and subsidiaries with adapting and enhancing open source as platform for their products.
Kazuhiro Hayashi works at TOSHIBA Corporation as a Software Engineer since 2010.
The main part of his work is to develop Linux for various industrial embedded products.
His another focus is to provide a common Linux distribution and its build infrastructure for effective product development.
PMIC stands for Power Management Integrated Circuits.
Current day PMICs are pretty powerful and encompass multiple submomdules.
The primary purpose is still to provide the voltage source for SoCs to power up.
The presentation aims to give an overview of PMIC driver development in linux and also give a thorough understanding on the PMIC debugging over i2c.
The presentaion includes some of the complex issues that were debugged which were related to PMICs on Texas Instruments DRA7 platform.
The presentation gives general guidelines to be followed while writing a regulator driver, a brief overview of current state of regulator framework and how to avoid potential issues related to regulators.
Keerthy Jagadeesh is part of Linux core product development team of the Texas Intruments and has been an active linux contibutor for the past 8+ years.
He has worked mainly on thermal management for TI SoCs, PMIC driver development, Implementing low power modes for AM437x SoCs.
Since the beginning of 2018 a lot of work has been put into improving the V4L2 subsystem.
The main addition was the Request API, which lets fishing slots online free required for stateless hardware codecs, and will help improve complex camera pipelines.
Codecs in general saw a lot of attention and our virtual drivers such as the new vicodec driver are now being used in test frameworks.
So it is time to present an overview of the current state of V4L2 and what can be expected from it in the future.
Since 2013 he is a video4linux co-maintainer responsible for V4L2 bridge drivers and video receivers and transmitters.
Since 2016, he also maintains the HDMI.
This talk will cover upstream technologies, infrastructure and driver components relevant for enabling the graphics side of an SoC: Improvements in zero-copy buffer sharing across drivers, better infrastructure for sharing driver components and some SoC specific hardware features like writeback support, self refresh panels, and more.
The talk will also cover current development and what the near future will bring.
Upstream graphics has been a solid foundation on the desktop for years.
This talk will show that the dream of enabling upstream first, and then shipping on Android, CrOS, genivi.
Daniel Vetter is the co-maintainer of the upstream graphics subsystem, and has been maintaining the Intel graphics driver before that for a few years.
Besides all the technical challenges he spent a lot of time on improving how the contributors collaborate and how the community is.
Embedded Linux platforms power options are described by Operating Performance Points Tournaments online tips />Creating those OPPs requires a laborious process known as characterization.
Characterization is usually an extremely manual task.
When we were asked to define new low power OPP for the NXP iMX8MQ, we wanted to use our expertise in building custom silicon and automating software testing to create a better solution.
What we built was a device to not just monitor elc build and play slots of fun control the on-die temperature.
Jerome Neanne has 19 years of engineering experience in embedded technologies.
Jerome spent 13 years at Texas Instruments as an OMAP system expert moving from the Hardware IC Design to Software and applications, 4 years at Trustonic performing Trusted Execution Environment integration.
Pascal started his career as an hardware engineer, working seven years on development of telecommunication equipment for multiple companies in France and in the UK.
He then moved to embedded world, spending eight years at Texas Instruments as an application engineer supporting OMAP.
NuttX is an open source POSIX-compliant RTOS suitable for resource constrained devices and real-time systems such as Drones and robotics where Linux can be difficult to use.
However, NuttX has rich features such as shell, libc, pipe, poll, signal, vfs, pthread, networking, and smp and includes many example applications.
You can easily port many Linux applications to NuttX and use the same code to target both OSes.
Drivers are accessed with open, read, write, ioctl and close operations, the same as in Linux.
In this talk, I will describe how Sony uses NuttX in shipped audio products since 2015 and in research for future products including SMP systems and Elc build and play slots of fun USB RNDIS and Bluetooth PAN.
The SDK consists of several pieces, such as curl, libc++, sqlite3, nghttp2, mbedtls.
We found that by reducing run-time memory, this SDK could run on such a small device.
We also implemented NuttX on a Sony Spresense board, a 6-core Cortex-M4F processor, and are in the process of upstreaming this work to the NuttX mainline.
Finally, I'll report on the 1st NuttX international workshop held in the Netherlands in July of this year.
We found that many developers write and test their application code on Linux then deploy it to NuttX.
We will describe this useful approach for targeting systems where it is infeasible to use Linux.
We are going to hold a NuttX meetup on October 31.
Normally, memory allocations in kernel are done using kmallocvmalloc or their hybrid kvmalloc functions.
But during system boot when the most of the platform initialization code is run neither of them is available because the allocators are not yet set up.
This talk will cover the memblock APIs, the expectations and requirements for the architecture specific parts of the memory management setup and will wrap up with description of page allocator initialization.
Mike has lots of programming experience in different areas ranging from medical equipment to visual simulation, but most online slot free play all he likes hacking on Linux kernel and low level stuff.
Throughout his career Mike promoted use of free and open source software and made quite a few contributions.
Buildroot is a popular tool to build customized and lightweight embedded Linux systems.
By automating the complete process of cross-compilation, it provides an easy and efficient way to build from the source code your toolchain, Linux kernel, bootloader and root filesystem images, using the 2500+ existing packages.
Based on the well-known make and kconfig tools, it is simple to use while being powerful.
It is for example used by companies such as Tesla or GoPro for some of their products.
Developed by an active community of 100+ contributors, and delivering relases every 3 months, Buildroot is in constant evolution.
In this talk, we'll cover the most important improvements, additions and changes of the past two years as well as the current topics and features on the radar.
Thomas Petazzoni is CTO and embedded Linux engineer at Bootlin, an engineering company specialized in Linux kernel and embedded Linux development, with a strong focus on open-source contribution.
Thomas is one of the co-maintainers of the Buildroot project.
Bluetooth acquired a new capability in 2019.
Positioning systems such as Real Time Locating Systems RTLS and Way Finding will offer a level of precision, never before possible with Bluetooth.
Learn about this new Bluetooth feature and how it works under the hood, from the physics of radio waves upwards through the layers of the Bluetooth protocol stack.
I'm Martin Woolley and I work for the Bluetooth SIG, the technical standards body behind Bluetooth technology.
I have elc build and play slots of fun do develop software for all sorts of shapes and size of device although they do seem to.
Debugging the Linux kernel with printk messages is a common technique.
And sometimes a good one.
The problem happens when we only know this debugging technique.
How to debug a kernel oops message?
How to trace and understand the kernel execution?
How to identify and analyze a buffer overflow?
How to identify a memory leak or a deadlock in kernel space?
In many situations, there are more effective debugging tools and techniques we could use to debug the kernel, including KGDB, ftrace, addr2line, kmemleak, and so on.
In this presentation, we will go over these and many other very useful tools to identify and fix problems in the Linux kernel.
Sergio Prado has been working with embedded systems for more than 20 years.
He is active in the embedded systems community in Brazil, maintaining some mailing lists and writing in his personal blog sergioprado.
He is an entrepreneur and founder of Embedded Labworks, where he gives.
Application areas such as time sensitive networking and packet processing usually require some combination of high throughput, low latency and determinism in their packet processing characteristics.
Satisfying these requirements with standard sockets have been found to be challenging, so application writers link resorted to use bare-metal solutions such as DPDK and vendor specific SDKs.
While these solutions often manage to meet the tough performance goals, they break a number of security properties of Linux, poses integration challenges and are a lot harder to use than standard sockets.
XDP sockets have been designed from ground up to be able to deterministically deliver sub microsecond packet latencies and process many millions of packets a second.
We will present how to use XDP sockets from user space, an overview of the kernel and driver implementation, as well as a performance evaluation.
Magnus Karlsson is a Principal Engineer at Intel.
Björn is a Linux kernel networking hacker at Intel, with a a soft spot for memory models, all things networking, and RISC-V.
He's a wannabe librarian, coffee addict, and kernel maintainer.
This talk gives a brief introduction to the eBPF awesomeness and the mainstream way of tracing using the eBPF Compiller Collection, which works so well for data centers, then examines the hurdles which must be overcome to get it working on embedded devices portability problems, kernel headers and build issues, size constraints and so on.
In recent times, at least four separate projects have been started, each with a different approach, with the goal of bringing the eBPF awesomeness to embedded: What trade-offs are each of them making?
In what stages of completion are they?
Where are more efforts needed?
To find out all these and more please watch the presentation.
Adrian Ratiu is both a professional embedded Linux software engineer and a hobbyist, currently working for Collabora Ltd on its Core Systems Integration team.
He works on Linux mainly because it makes taking devices apart and reprograming them fun.
His interests span accross the software.
In this presentation Alistair will talk about the work he and his colleagues did to add the Link Hypervisor Extension support to QEMU.
This allows everyone to use QEMU as a development platform for porting Hypervisors to RISC-V.
He will discuss how the RISC-V Hypervisor extension works and how it is different to other common architectures Hypervisor support.
He will also talk about how the extension was implemented in QEMU and problems that were identified with the draft specification in the process.
Finally he will conclude with the current upstream status and any pending work related to both QEMU and the RISC-V Hypervisor specification in general, he will also cover Hypervisor project porting status.
I have previous industry experience working in embedded devices, focused on business facing SoC designs and software stacks.
As a QEMU maintainer I am interested in improving QEMU's.
When developing a product, safety and security usually go along nicely : Both want a product that has no remaining bugs.
However, once the product is out, the constraints of safety and security tends to be very contradictory.
Safety tend to avoid updating the product, whereas security wants the exposure window to go here as small as possible.
The embedded click at this page always had a culture heavily influenced by safety, and this is one of the few places where product owners will say "no" to security if they are not confident that it won't compromise safety.
This talk will analyze the two philosophies, based on Jeremy Rosen's experience interacting with safety engineers, security officers, and various product owners and project managers.
Once the pain points are understood, the talk will discuss how to mitigate them, either through an architectural approch or by giving talking points to present the safety constraints to a security officer and the security constraints to a safety engineer.
Jeremy Rosen is a French engineer with more than fifteen years of experience in all aspects of embedded linux systems and open-source developement.
He manages the expertise branche of Smile-ECS and gives courses in various embedded linux developement and integration, specializing.
Implementing safety-critical systems usually requires adhering to carefully defined development processes.
Driven by the assumption that a disciplined approach leads to reliably high quality, they specify how code is https://bannerven.com/play/where-can-i-play-pompeii-slots-online.html to be developed, integrated and reviewed.
While known to produce code that can satisfy the highest quality standards, Linux kernel development does not follow such strict patterns, although it is certainly far from a random process.
But how can we ensure the quality of a mostly informal approach?
Our work aims at identifing core properties, strengths and weaknesses in the development process by tracking the evolution of components from initial submissions on mailing lists to the final merged contributions.
We discuss observations and insights and we draw, ranging form simpler questions like how long the average time from the first version of a patch submission to its final inclusion is, down to a categorisation and analysis of off-list patches and ignored patches.
Sebastian Duda is at his final step of completing the master's degree in computer science at Friedrich-Alexander University Nürnberg-Erlangen.
His main interests are software engineering and, specifically, collaborative software development.
Currently, he is employed by BMW AG to.
Ralf Ramsauer is a PhD student at the University of Applied Sciences Regensburg where he works in a joint project together with Siemens Corporate Competence Center Embedded Linux.
His academic research interests focus on finding successful long term maintenance strategies for Open.
A Network Operating System puts special demands on the Linux Kernel, in terms of features and scale.
John will show the size and performance issues we encountered, and tricks to overcome them.
For the Halon NOS, which was based off the Openswitch project, the Linux kernel went from version 4.
After each upgrade there is a period of time when all issues are ascribed to the upgrade.
John will share lessons learned in managing expectations and perceptions after upgrading the kernel.
John will share the problems we encountered with upgrading infrastructure kernel, subsystems, and Yocto in a product development organization, and how https://bannerven.com/play/ladbrokes-demo-play-roulette.html overcame them.
John will show how we used Yocto Layers to implement Platform Independent and Platform Dependent features, in a multiple platform environment.
Finally, John will share lessons we learned about PCI software architecture for modular chassis network switches.
John Mehaffey has been working on embedded Linux since 1989.
He is currently a Linux architect at Hewlett Packard Enterprise, working on Network Operating Systems.
John Has spoken at a number of Linux ecosystem conferences including ELCand most recently presented on fastboot.
Finding out where you application is allocating memory, or where it's spending a lot of CPU time -- or even where it's waiting for something, has never been easier.
KDAB has developed two opensource tools for this.
The first one is heaptrack, for memory profiling.
The second one is hotspot, for CPU and off-CPU profiling, based on the powerful perf tools from the Linux kernel.
The great benefit of heaptrack and hotspot is that they have been designed for application developers, who don't have to know all the internals of the Linux kernel just to profile their application.
They provide graphical representations that make it quick and easy to spot where the problem is.
David is Senior Software Engineer and Trainer at KDAB as well as Managing Director of KDAB France.
He has been developing with Qt since 1998 and contributing to Qt itself since Qt 4.
For two years David has been giving KDAB trainings on Debugging and Profiling on Linux, a training.
During this talk, Michael will describe the most helpful techniques to reduce the boot time of embedded Linux systems, together with recent measures of the corresponding savings they bring, such as toolchain options, kernel compression options, kernel command line parameters, eliminating unnecessary copying in the bootloader, optimizing storage performance and understanding and using U-Boot's Falcon mode.
Michael will also show tools to identify parts which can be eliminated such as finding all the files not accessed during the boot sequence or optimized.
Last but not least, time is relative to space as we all know.
This aspect of the equation will also matter.
Michael Opdenacker is the founder of Bootlin, an engineering company specializing on cool embedded Linux integration and porting projects.
Through Bootlin, he has contributed to the LWD Linux World Domination project by training hundreds of engineers from all around the world on.
AGL provides an application framework with SMACK based security, a large number of micro services tailored for the automotive environment, and an SDK for app developers to get going quickly.
AGL has attracted a large number of systems developers and app developers.
This is an opportunity for developers to get together and discuss issues they have run into, potential roadmap ideas and to provide feedback to the community.
play deuces free wild poker bring your questions, comments and ideas to this session.
Walt Miner has worked for The Linux Foundation as the Community Manager for Automotive Grade Linux since 2014.
Walt has spoken at Automotive Linux Summit, Embedded Linux Conference, LinuxCon North America, and Open Source Summit North America.
Walt has over 30 years of embedded software.
By now, the Embedded Linux devices industry has shifted away from how to use Linux to make innovative, low cost and low spec solutions, towards a focus on using more powerful hardware to run more and more demanding applications.
While big specs will prevail over time, the low end will still be the one delivering the volume and the backbone of the consumer industry in today's Linux devices ecosystem.
This BoF session is about bringing enthusiasts of low spec devices together to discuss their current challenges, identify common pain points and outline potential approaches that can help the Embedded Linux community to tackle thes growing issues and solve these problems in a collaborative manner.
Alexander is a long term linux and open source leader who tries to make making linux embedded products easier for everyone.
During his career he lead various workshops and BoF sessions on a broad set of topics at prominent Linux events such as Ubuntu Developer Summit and Linaro Connect.
This BoF provides an open forum for the embedded Linux community to ask questions and discuss issues with Yocto Project and OpenEmbedded principals.
I have been in the Embedded ecosystem for 20 years.
I am Employed at MontaVista, LLC.
I have the privilege of being the Yocto Project stable branch maintainer as well as the OE stable branch maintainer.
I currently serve on the Yocto Project governing board, Yocto TSC and Yocto a.
Nicolas is working for Linaro and manages a team of developers focused on improving the state of Qualcomm chipset in upstream Linux.
He maintains an OpenEmbedded BSP layer for Qualcomm chipset.
When Nicolas joined Linaro he led a team of developers who designed and implemented the.
HyperBus is a high performance 8-bit Double Data Rate bus used to connect SoCs with high performance flash devices.
HyperFlash is a NOR based, Common Can http www winbig21 com play online casino message Interface CFI compliant HyperBus memory device.
In this presentation, Vignesh will talk about the HyperBus framework he introduced recently in the Linux kernel under Memory Technology Devices MTD subsystem and how it supports HyperBus memory devices like HyperFlash.
The presentation introduces HyperBus protocol, CFI specification, HyperFlash and their kernel framework.
It also provides an overview of how to write a new HyperBus Memory Controller Driver.
Finally the presentation talks about improvements made to CFI framework to reuse existing code in supporting HyperFlash and the challenges and problems that still need to be addressed.
Vignesh is one of the maintainers of MTD subsystem in kernel and in U-Boot.
He has been contributing to Linux Kernel and U-Boot since 2014 as part of Texas Instruments' Linux development team.
Systems with a mix of architectures on a single device are commonly found on embedded products nowadays, where each processor provides different functionality; allowing developers to achieve great performance, while minimizing power consumption and cost.
Where Linux can excel at providing driver compatibility, community support and availability of software packages, an RTOS such as FreeRTOS might be ideal to make important decisions guaranteeing maximum time to perform critical operations whilst requiring a smaller footprint.
To showcase its usage, a sample FreeRTOS application built with the Yocto Project will be executed on QEMU during the talk.
Alejandro is the technical lead at the Yocto Project team at Xilinx, he works as a Yocto Project developer designing software to improve system's developers experience when building customized embedded Linux.
He has spoken at both ELC and ELCE conferences before and often gives technical.
Systemd has many advantages over the traditional System V init daemon.
One advantage is its ability to run init tasks in parallel, which should reduce the boot time.
Yet in practice the boot time seems to go up, not down.
What did I do wrong?
The fact is that like all tools you have to know how to use it to make it effective.
With the default configuration, systemd is indeed quite slow.
Ultimately, we will find that systemd just needs to be loved Chris Simmonds is a software consultant and trainer living in southern England.
He has almost two decades of experience in designing and building open-source embedded systems.
He is the founder and chief consultant at 2net Ltd, which final, what slots to play at coushatta seems professional training and mentoring services.
SAE J1939 is the de facto standard vehicle bus used for communication and diagnostics among vehicle components.
This standard was extended and applied to use for military, marine, agricultural and industrial applications.
Several derived specifications exist, which differ from the original J1939 on the application level, like MilCAN A, NMEA2000 and especially ISO-11783 ISOBUS.
This talk gives an overview of J1939 on protocol and use cases, reasons to implement it in kernel and the state of current kernel stack implementation, which is currently prepared for up-streaming.
Marc Kleine-Budde started using Linux in 1995, he works for Pengutronix https://bannerven.com/play/games-play-masque-publishing-blackjack-multi.html />At Pengutronix he is working on the Linux Kernel and low level.
Except for some rarely used additions, I2C hasn't really changed since its introduction in 1982.
That doesn't mean that everything is settled and nothing is happening.
In this talk, I2C maintainer Wolfram Sang gives you examples how modern technology affects I2C and vice versa.
Like media devices requiring to reprogram client addresses at runtime in a multiplexed setup to prevent address collisions.
He will explain the challenges for the Linux I2C core and proposed solutions addressing them.
He will explain the motivation behind recent API changes which can be relevant for other subsystems, too.
And he will demonstrate new features to stress-test I2C communication including unintended writes together with debug mechanisms, both hardware and software.
Wolfram Sang has been working as a Linux kernel developer for embedded systems since 2008.
He maintains the I2C subsystem and works as a consultant, mainly for the Renesas Upstream Kernel Team.
Programming since his childhood, he still hacks his machines from the 80s, especially the.
Universal Flash Subsystem UFS is a next generation managed NAND flash storage technology for portable devices like mobile phones and digital cameras.
It is positioned as an click the following article upon eMMC and SD cards by bringing higher transfer speeds and improved reliability in flash storage.
In this talk, Faiz will introduce UFS storage technology and how it improves upon older managed NAND systems like eMMC.
This is followed by an https://bannerven.com/play/limit-texas-holdem-strategy.html of UFS implementation in kernel and related tools to help developers write a new controller driver.
Faiz has been contributing to the linux kernel since 2017 when he joined Texas Instrument's Linux team.
He has mainly worked on the MMC and CAN subsystems in linux for TI devices.
He also has contributions to the MMC subsystem in U-boot and is currently working on UFS support in.
The computing platform that supports civil infrastructure must continue to work for a long time, and thus the primary goal of super-long-term-support SLTS kernel workgroup is to provide CIP kernels with more than lucky play casino slots games years maintenance period to fulfill the required level of reliability, sustainability, and security.
The CIP kernel workgroup participates into LTS review process and works with real-time Linux Project to standardize real-time enhancement.
Currently, SLTS kernel workgroup maintains kernel 4.
In this presentation, SLTS kernel workgroup will share the policy and process to maintain and release SLTS standard and real-time kernel.
Also, SLTS kernel workgroup will introduce the open source utilities such as "Classify-failed-patches" and play free dolphin slots kernel CVE tracker" for long-term maintenance.
The presentation will go over it as well as the next steps and plans.
Pavel is a long-term kernel hacker.
He worked on amd64 kernel port and hibernation for SuSE.
Currently he's co-maintaining hibernation and LED subsystem, and works with Denx on various embedded projects.
SZ Lin is leading kernel workgroup and the representative of technical steering committee from Moxa in CIP Civil Infrastructure Platform project.
He currently works for Moxa in the Embedded Linux Development Center, his team helps develop industrial-grade Linux distribution to adapt.
In February 2018, Bootlin launched a crowdfunding campaign to fund the development of upstream Linux kernel support for the hardware-accelerated video decoder VPU found on Allwinner platforms.
This work is part of Bootlin's larger ongoing effort to provide upstream Linux support for these platforms.
Adding support for the VPU itself was a significant effort, involving a whole new V4L2 API the Request API used on top of the existing M2M API, codec-specific uAPI bits, a new driver cedrus as well as userspace components such as a VAAPI backend and a test utility.
However, the most painful point turned out to be the integration of the decoded frames with the various possible display pipelines.
This talk will introduce some context about hardware video decoding, the work we carried out and the major issue we encountered with display integration as well as lessons learned from the experience.
Paul joined Bootlin in 2018 and started with bringing support for the Allwinner VPU driver to mainline Linux.
He went on to cover more topics related to graphics and multimedia, with various contributions to the DRM Linux subsystem and related projects.
Before that, Paul worked on.
Would you like your company to be more open towards the free software community?
GARDENA is a company with a lot of experience with gardening tools; experience with software development and interaction with the open source community however is much more recent.
In May 2016, an article in Golem.
Three years later, most of the source code of the revised gateway is available on GitHub, MT7688 SoC support in U-Boot has been upstreamed, and management even agreed to allow root access to the gateway for hackers via UART.
In this talk, Reto Schneider and Andreas Müller, two enthusiastic GARDENA embedded developers, will take a look at GARDENA's Sub-GHz IoT gateway based on the MediaTek MT7688 SoC, the Yocto framework, and the U-Boot bootloader.
They will explore the journey of GARDENA from open source novice towards active participant.
Instead of covering just the basic installation of individual partition images, RAUC offers a recommended chain of steps from creating and signing the update, verifying click at this page on the target device, to automatic selection of the target slots in an A+B setup.
By abstracting these tricky aspects of building a robust update system, integrating RAUC boils down to just configuring the storage layout and creating update bundles via the integration in Yocto, Buildroot or PTXdist.
In his talk, Enrico will explain the main design decisions in RAUC and show how it can continue reading some interesting use-cases, such https://bannerven.com/play/dolphin-casino-game-online-play.html atomic bootloader updates, streaming delta updates, integration into a project-specific UI and usage of an HSM for signing key protection.
He will also discuss related aspects like data migration and verified boot in the context of updating and give an outlook on useful future enhancements for RAUC.
After having studied information system technology at the TU Braunschweig and getting in touch with different open source projects, Enrico joined Pengutronix in 2014 to work full-time on bringing open source solutions into industrial and automotive projects.
As one of two developers.
GPUs are complex beasts, especially when you come from the CPU world and don't know about all those GPU-specific concepts, or what massively parallel and deeply pipelined computing implies.
Throughout this talk, we will try to give a rough overview of some basic concepts GPU pipeline stages, shaders.
Boris Brezillon has been contributing to the Linux DRM subsystem for several years now and recently joined the Graphics team at Collabora.
His recent work has involved working on a few specific tasks around the Mesa side of the Panfrost driver for ARM Mali Midgard GPUs which led him.
Since its conception and initial developments, libcamera has progressed to support an increasing number of platforms and devices, has expanded its feature to provide integration in other Linux-kernel-based operating systems such as Android and ChromeOS.
It now allows integration of 3A algorithms while still trying to provide an easy to grasp API for camera applications.
As libcamera is reaching feature stability, it has entered the Blackjack playing strategy card review and stabilisation phase and needs feedback from application developers and camera vendors.
This talk is part of our call for review, starting with a presentation of the libcamera features, architecture and API based on practical examplesand then moving to a discussion with the audience to gather feedback.
In the last 5 years he mostly worked on integrating continue reading and graphics peripherals on Linux systems as part of the Renesas Electronics mainline kernel team and, since 1 year or so, he embarked.
Users of mobile platforms are expecting more and more complex graphics on their devices.
This means that taking advantage of the mobile GPUs efficiently is essential.
A large part of this efficiency is dependent on the user-space drivers.
Unfortunately being in user-space means that many GPU providers can get away with only providing a closed-source driver which hides a lot of the secrets needed to be efficient.
This talk presents a project providing an open-source alternative including support for embedded platforms.
Mesa is the standard open-source user-space library providing an implementation of the OpenGL, GLES and Vulkan APIs on Linux platforms.
It has drivers for a range of different hardware.
This talk will present the project, the user-space graphics stack and the inner workings of Mesa.
It will then continue to present the embedded drivers that it supports such as Freedreno for the Adreno platform, Panfrost for Mali Midgard and Bifrost GPUs and the drivers for Broadcom GPUs.
Neil has been a Linux user and open source enthusiast for many years.
He began professionally working on free software by contributing to Gnome and Clutter.
He later moved further down the stack to work on the graphics drivers in Mesa.
He is now proud to be continuing this work at.
This panel will discuss the challenges on technology, software engineering, safety methods, organisation and ecosystem when building safe systems with open-source software.
This panel shall allow to present these perspectives in a common forum.
Shaun is a Software Engineer who has been working at Codethink for just over a year, and before this was working in motor sport designing electronics for racing vehicles.
At Codethink, Shaun has been working on safety for autonomous vehicles.
He has been working with MIT performing.
Chris Temple develops the safety and reliability technology roadmap, and drives thought leadership in next generation cost effective safety systems at Arm.
Temple is active in the ELISA open source project, where he is investigating inter-dependencies.
I started to work at Toyota developing cleaner engines in 2006.
I then switched in tricks to play russian roulette on piano to electronic and software engineering related to Advanced Driving Assistance.
I actually have a long time interest in computer science and Linux ecosystem, for instance running an open source.
Kate Stewart is a Senior Director of Strategic Programs, responsible for Embedded and Open Compliance programs.
Since joining The Linux Foundation, she has launched Real-Time Linux, Zephyr Project, CHAOSS, and ELISA.
Nicole Pappler is a Senior Software Expert.
She has worked in different projects developing safety relevant embedded software before starting as an independent safety assessor for TÜV SÜD.
With now more than eight years of experience as a Functional Safety Expert, she supported.
In Modern SoC, the inter-processor communication becomes a key element in the product conception, but its implementation depends on selected HW architecture as it could be based on: - a shared memory for SoC integrating multi-processors - serial links UART, I2C, SPI… in case of independent devices.
Product design can embed any of these solutions and can have to migrate from one to the other according technology evolution.
This implies inter-processor communication redesign.
To simplify and accelerate this porting, STMicroelectronics proposes to extend RPMsg protocol to unify internal and external coprocessors communication: - A virtual serial link TTY, I2C, SPI on the top of current RSPMG, for internal SoC coprocessor control, similar to a standard HW link used to connect external devices - RPMsg protocol and associated features on the top of HW serial link to unify external coprocessor service management with existing solution used for internal coprocessor.
Arnaud Pouliquen is an senior embedded software engineer at STMicroelectronics.
He designed several embedded Linux drivers for STIH and STM32 MPU platforms.
Mostly acting around audio, remoteproc and rpmsg frameworks, he contributes to diverse open-source projects Linux kernel, OpenAMP.
Loïc Pallardy is Senior Software architect at STMicroelectronics in charge of STM32 MPU Software architecture.
He is interacting with Linux communities for several years in the scope of ST SoC development.
Member of some open source project steering committee Linaro, OpenAMP, Devicetree.
In this talk, Colin King will describe how stress-ng is being used for regression testing and performance bench-marking kernels across a range of kernels and architectures for IoT play craps, servers and cloud environments.
I have been working for Canonical as a Kernel Engineer for 12+ years focusing on kernel static analysis and bug fixing, testing and performance benchmarking.
I developed stress-ng and the Firmware Test Suite as well as maintain a handful of small Linux utilities for Debian and Ubuntu.
The flight control system for HTTP-3A rocket developed by ARRC in Taiwan is based on real-time Linux system, building rocket steering and attitude control under high dynamics environment.
The major objective of HTTP-3A is to launch a sounding rocket vertically and send a 10 KG of payload with guidance and attitude control to an apogee exceeding 100 KM, while exercising all kinds of technologies of satellite launch vehicle, except the orbit insertion.
Flight control system is the crucial component of rocket avionics system.
George Kang leads the avionics team of Advanced Rocket Research Center ARRC building the open source-based software solution for the rocket avionics.
To meet the requirements of the space mission, his focus on the real time and flight dynamics is to deploy and enhance Linux based.
The space industry is a niche market with dedicated hardware components.
Yet, the emergence of massive constellation push the space domain to use COTS hardware components.
This new mindset is now growing specifically in the on board software development by using COTS operating system and framework.
But this new paradigm raises an issue about safety and qualifications.
How using Linux in such an environment?
The Linux foundation project named ELISA wants to answer this issue and we aim at contributing to this objective.
While ELISA is focused on process and guidelines to enable the use of Linux in safety applications, we provide an implementation of Linux monitoring by using HMP targets such as Xilinx Zynq Ultrascale plus.
During this presentation, we will describe how Linux will be monitored by another CPU to verify safety properties and explain how we expect to put Linux into orbit in the near future.
The main subjects addressed on this projects are operating systems, hardware software co-design, system engineering and software archite.
Real time clocks are usually simple peripherals because their main feature is to keep track of the current time.
However this task is actually harder than it seems because time keeping actually depends on the quality of the source oscillator which may vary depending on manufacturing or the environment.
Also, many RTCs also include more features that need to be exposed to the user.
This talk will introduce RTCs and their features.
It will then present the RTC subsystem, how it recently changed and how the API will evolve to support more common functionalities.
Alexandre joined Bootlin in 2013, a company offering development, consulting and training services to embedded Linux system developers worldwide.
He has been working on embedded systems since 2005, mostly Linux on ARM but also MIPS and x86 and so contributes to the usual projects.
As you contemplate how to put together the system software for your next Embedded Linux project you will probably be wondering which is the best path to take?
Use a Linux distro such as Go here, or another of your choosingor create a custom operating system using Yocto Project or Open Embedded or Buildroot.
At first sight, Debian looks easy, especially if you are using a Raspberry Pi, a BeagleBone or another board with a pre-installed Debian-derived system.
So, why go to all the trouble of replacing it with Yocto?
In this talk I will show you the strengths and weaknesses of each approach, using real-world use cases as examples.
Spoiler alert: my conclusion is that … it all depends what you want to do.
Debian is great for fast implementation and proof-of-concept, but for long term maintainability gold fish casino free play control of the platform, you need Yocto.
Now you need to come along to see why I believe this to be so.
Chris Simmonds is a software consultant and trainer living in southern England.
He has almost two decades of experience in designing and building open-source embedded systems.
He is the founder and chief consultant at 2net Ltd, which provides professional training and mentoring services.
For quite a few years, Jan has been using GStreamer's network synchronisation features at home to build multimedia systems for distributed media playback.
This talk, however, will focus on his progress with an interesting and slightly difference use-case: Using the synchronisation primitives in the other direction - to capture and process audio from microphones distributed around a house.
Through triangulation and filtering, such a system can provide useful features like speaker isolation and echo-location for improved recognition and contextualisation of spoken commands.
Jan Schmidt is a director of Centricular - a Free Software consultancy built by GStreamer maintainers - and provides cross-platform multimedia and graphics expertise.
He is a core developer of the GStreamer multimedia framework, and writes a lot of software for playing, producing.
The Linux Crypto API which provides potentially hardware accelerated cryptographic services to the Linux kernel and user space programs running under it, has a little known but extremely useful feature hidden away in the bowls of this under documented mechanism: the ability to perform cryptographic operations with keys which are locked away in a hardware vault and are not accessible for reading by software running on the main CPU.
This feature, introduced silently possibly too silently by IBM for use with their s390 mainframes in 2016, has since been adopted for use in embedded systems by the author when compatible hardware is present and has the potential to provide a critical layer of security for secret keys in these complicated times haunted by the spectre of speculative execution side channel attacks.
The presentation will explain the feature in depth, explain how to tell if your system of choice supports it, show case how to use the feature and some of the gotchas involved.
Gilad Ben-Yossef is a principal software engineer working at Arm on upstream kernel security at large and Arm TrustZone CryptoCell support in particular.
Miquèl and Richard will give an update on what happened in the last two years on both Linux and U-Boot flash subsystems.
And last but not least, we found many interesting bugs which shall not remain unnamed.
Miquèl is an embedded Linux engineer at Bootlin since 2017.
He has been working on various ARM embedded systems and is the co-maintainer of the NAND subsystem.
Miquèl recently worked on SPI NAND support in Linux and U-Boot.
Richard Weinberger is co-founder of sigma star gmbh and offers Linux kernel consulting services.
He's been working with Linux for 10 years and works on the Linux kernel for more than five years.
Besides of the kernel he has a strong focus on various low level components of Linux.
The open source wireless daemon iwd has been introduced about 5 years ago and has seen an active development since its inception.
The last year has been focused on behind the scenes work for new Wi-Fi standards that make connection setup faster, make roaming smoother and also introduce new security standards including WPA3.
This presentation will demonstrate the new advances in Wi-Fi support for Linux and show how they improve the usage from within Network Manager and other connection managers.
Marcel Holtmann is part of Intel's Open Source Technology Center.
He is the maintainer of the BlueZ open source Bluetooth stack and has been working on Bluetooth technology since 2001.
Marcel chairs the Bluetooth Internet Working Group and is a member of the Bluetooth Architectural.
Video serializer and deserializer chipsets are more and more used in embedded Linux systems to transmit raw video at several meters distance.
Yet the kernel still lacks support for them, despite the attempts seen so far.
Luca will give an overview of the existing chips and the current mainlining attempts.
He will then introduce the peculiar requirements of his application and the idea behind his implementation effort.
Special attention will be given to the current limitations of V4L2 and Device Tree that prevent to fully exploit the hotplug features of the chips, and how they influenced his implementation.
The I2C address translation available in some chips, and how to model it in the kernel, will also be covered.
Luca Ceresoli is an Embedded Linux Engineer at AIM Sportline.
He designed several embedded Linux products from the ground up, mostly hacking around kernel, device drivers, bootloader, system programming, build system and FPGA.
He contributes to a few open-source projects, including.
The Comcast RDK is a complex Linux software stack powering millions of set-top-boxes.
In 2013 the project faced scalability issues with their home grown Linux environment which impacted internal teams and ecosystem partners.
The team engaged with Linaro to migrate the RDK into a Yocto Project based Linux distribution.
The revamped RDK has been released into millions of homes throughout the world with many multi-services operators.
It started with video devices but layered design has scaled beyond video devices into broadband, cameras, and other IOT devices making an infrastructure for RDK based Elc build and play slots of fun OS.
Khem and Nicolas will discuss about how such a significant engineering effort was executed.
They will discuss the social and technical challenges and how the Yocto Project increased the overall quality of the RDK.
And also the cautions and rail-guards needed when scale hits the project.
Nicolas is working for Linaro and manages a team of developers focused on improving the state of Qualcomm chipset in upstream Linux.
He maintains an OpenEmbedded BSP layer for Qualcomm chipset.
When Nicolas joined Linaro he led a team of developers who designed and implemented the.
Khem Raj is a Distinguished Engineer at Comcast, helping several open source initiatives within the company: He is guiding the company's adoption of open source software, and becoming an active contributor to the open source components that are used in the RDK settop software stack.
The messages from the various static check tools can be overwhelming.
When you make a minor change to a Linux kernel source file, the number of warnings may change slightly but it may be difficult to find the few new warnings in the large pile of all warnings, or the number of warning may remain the same but it may be difficult to determine that the warnings did not change.
Tools and techiques will be presented to help you more quickly and easily determine whether your patch has created a new problem.
And if new problems exist, how to determine what the problem is.
This information will help you submit cleaner patches.
In my dreams for a better world, these tools and techniques may also aid in reducing the current backlog of static check warnings present in the kernel code.
Frank has meddled in the internals of several proprietary operating systems, but has been loyal to the Linux kernel since 1999.
He has worked in many areas of technology, including performance, networking, platform support, drivers, real-time, and embedded.
Frank has shown poor judgement.
If you own a modern laptop, the chances are high that it contains a small security chip called TPM, a Trusted Platform Module — but what is it good for and how can you use it under Linux?
In this talk, we will cover some basics of the TPM2.
With the latest addition of the more user friendly eSAPI and FAPI, the tpm2-software stack makes it easy for developers to create applications that use the TPM.
This is supplemented by an accompanying OpenSSL engine, a PKCS11 provider and a TPM based one time pad application, which make it easy to use the TPM online slots free pharaohs way play enhance system security.
Given a configuration, can humans know in advance the size, the compilation time, or the boot time of a Linux kernel?
Owing to the huge complexity of Linux there are more than 15000 options with hard constraints and subtle interactionsmachines should rather assist contributors and integrators in mastering the configuration space of the kernel.
The vision is that a continuous understanding of the configuration space is undoubtedly beneficial https://bannerven.com/play/free-online-flash-slot-machine-games-to-play.html the Linux community, yet several technical challenges remain in terms of infrastructure and automation.
Mathieu Acher is an Associate Professor at University of Rennes 1, France.
His research focuses on reverse engineering, modelling, reasoning, and learning software variability in various kinds of artefacts and domains.
He has authored more than 90 peer-reviewed papers in software.
If you distribute a product which runs an Embedded, Linux-based software stack then you have obligations to fulfill under the GPL and other open source licenses.
Thankfully, the Yocto Project provides tooling to help you achieve this.
Paul will present the current state of the license compliance tools in the Yocto Project and show how they are used.
Paul will also discuss best practices, pitfalls to avoid, methods of integration with other license compliance software such as Fossology and where to get further information on these subjects.
For those already familiar with these tools, this presentation will point out recent improvements and suggest areas for future development.
A comparison with tools provided by other Embedded Linux build systems will also be given so that our projects can learn from each other.
Focus will be given to how small teams can use these tools effectively, however the content will also be relevant to larger organisations.
No legal advice will be given.
Paul Barker has been an active member of the Yocto Project community since 2013.
He has contributed to the project in many ways, including maintaining the opkg package manager during 2013-2015.
More recent contributions have focused on improving support for the Raspberry Pi and other.
In Networking, classifying packets consists in analysing the content of the headers, and performing various actions based on it.
It can be either dropping the packet, steering it to a dedicated receive ring, redirect it, perform throttling on the traffic flows, and so on.
Offloading these operations in hardware isn't new, and it can be done using multiple userspace interfaces : tc and ethtool.
In this talk, we'll see in details the different use-cases for classification, how to use it, and what's the current state of hardware offload for classification.
We'll then dive a bit deeper elc build and play slots of fun the hardware side, to see how this kind of offloading is typically implemented in hardware and see more it's configured, taking the example of the mvpp2 driver which recently gained such support.
We'll finally see what's the future for hardware offloading classification, with the recent work to bring hardware offloading to netfilter and BPF.
Maxime joined Bootlin in 2018, where he does Embedded Linux and kernel development.
Since then, he has been working on networking drivers for MACs and PHYs, but he also has experience working on SPI drivers, Yocto Project BSP development and Real-Time topics.
He gave talks at various.
As is often the case with cryptographic tools, understanding the trade-offs and limitations are necessary to select the appropriate combination for any given project.
This talk will give an overview of both mature and recently implemented mechanisms, with a focus on which embedded-specific use cases they are best suited for.
After building Linux smartphones with OpenMoko and deploying open source GSM networks to cruise ships, Jan Lübbe joined Pengutronix in 2012 as a kernel hacker.
Since then he helps customers understand Linux and how it can solve their problems.
While not hacking Linux, Jan builds.
Modeling parts of Linux has become a recurring topic.
Mainly because of the complex notations and reasoning that involves formal languages.
It seems to be a very theoretical thing, far just click for source our day-by-day reality.
Modeling can be more practical than you might guess!
It will present a methodology based on Finite-State Machines, using terms that are very known by kernel developers: tracing events!
With the particular focus on how to use models for the formal verification, at runtime, with low overhead, and in many cases, without even read more Linux kernel!
Daniel Bristot de Oliveira is a Senior Software Maintenance Engineer at Red Hat, working in the support and development of real-time related products.
He is also a Ph.
Tim is the maintainer of the Fuego test framework, and is involved in various groups in the Linux Foundation that advance the use of Linux in.
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