News – Page 8 – Bootlin

Happy New Year!

Our very best wishes for 2009!

Usually, we create special wish cards for our customers and for the whole community. Unfortunately, we didn’t have enough time last year, and this happened again this year. Actually, higher priority projects are keeping us busy:

Fixing our LXR website. Thanks to this, the code hyperlinks in our kernel slides work again!
Preparing our new training sessions. We now propose two new training agendas, one full week only about the Linux kernel, and another full week on embedded Linux system development. Last but not least, we now use real hardware in our training sessions, and not just emulated boards.
Processing the videos we took at the 2008 edition of the Embedded Linux Conference Europe. We hope to release them by the end of January.
Migrating the French part of our website to WordPress, as we did with the English one.
Releasing new technical documents that we haven’t had time to polish yet.
Making contributions to community projects (Linux kernel, QEMU, Buildroot…).
Working on development projects

Anyway, we really hope that this year will be very busy for you too, despite the economic slowdown. With sustainable and cost-effective solutions, backed by a huge community of developers and users, you could really make a difference.

OLS 2008 videos

30 videos from the Linux Symposium in Ottawa

We are pleased to release 29 videos that we took at the Linux Symposium in Ottawa, Canada, in July 2008:

Keynote: The Kernel: 10 Years in Review, by Matthew Wilcox (Intel)
video (57 minutes, 175M)
Talk: Tux on the Air: State of Linux Wireless Networking, by John W. Linville (Red Hat)
paper, video (52 minutes, 168M)
Talk: Suspend to RAM in Linux: State of the Union, by Len Brown and Rafael Wysocki (Intel)
paper, video (52 minutes, 163M)
Talk: Real Time vs Real Fast: How To Choose?, by Paul E. McKenney (IBM)
paper, video (45 minutes, 166M)
Tutorial: ftrace: latency tracer, by Steven Rostedt (Red Hat) video (98 minutes, 772M)

video

BOF: Embedded Microcontroller Linux, by Michael Durrant (Arcturus Networks)
video (42 minutes, 243M)
Talk: Energy-aware task and interrupt management, by Vaidyanathan Srinivasan (IBM)
paper, video (52 minutes, 182M)
Talk: Application Testing Under Realtime Linux, by Luis Claudio R. Gonçalves (Red Hat)
paper, slides, video (54 minutes, 297M)
Talk: Application Framework for Your Mobile Device, by Shreyas Srinivasan (Geodesic Information Systems)
paper, video (25 minutes, 146M)
Keynote: The Making of OpenMoko Neo, by Werner Almesberger (OpenMoko)
video (94 minutes, 463M)
BOF: U-Boot by Wolfgang Denk (Denx)
video (54 minutes, 362M)
BOF: Linux Compiler, by Rob Landley (Impact Linux)
video (100 minutes, 765M)
Tutorial: Practical Guide to Using Git, by James Bottomley (Hansen Partnership)
video (61 minutes, 357M)
Talk: Advanced XIP File System, by Jared Hulbert (Numonyx)
paper, video (49 minutes, 160M)
Talk: SELinux for Consumer Electronic Devices, by Yuichi Nakamura (Hitachi)
paper, video (31 minutes, 113M)
Talk: Around the Linux File System World in 45 Minutes, by Steve French (IBM)
paper, slides, video (49 minutes, 298M)
BOF: Linux The Easy Way with LTIB, by Stuart Hughes (Freescale)
slides, video (25 minutes, 144M)
Keynote: The Joy of Synchronicity: Coordinating the Releases of Upstream and Distributions, by Mark Shuttleworth (Canonical)
slides, video (76 minutes, 458M)
Talk: Smack in Embedded Computing, by Casey Schauffer
paper, video (59 minutes, 211M)
Talk: Bazillions of Pages: The Future of Memory Management, by Christoph H. Lameter (SGI)
paper, video (49 minutes, 258M)
Tutorial: Writing application fault handlers, by Gilad Ben-Yossef (Codefidence)
video (49 minutes, 275M)
Talk: Linux, Open Source and System Bringup Tools, by Tim Hockin (Google)
paper, video (51 minutes, 229M)
Talk: DCCP Reached Mobiles, by Leandro Melo Sales (Federal University of Campina Grande)
paper, video (42 minutes, 193M)
Talk: Building a robust Linux kernel, by Subrata Modak (IBM)
paper, slides, video (51 minutes, 249M)
CELF BOF presentation: Best of recent CELF Conferences, by Tim Bird (Sony)
slides, video (10 minutes, 88M)
CELF BOF presentation: Developing Embedded Linux with Target Control, by Tim Bird (Sony)
slides, video (17 minutes, 145M)
CELF BOF presentation: Embedded Building Tools – An Audience Survey, by Michael Opdenacker (Bootlin)
slides, video (17 minutes, 127M)
CELF BOF presentation: GCC Tips and Tricks Highlights, by Gene Sally
video (14 minutes, 62M)

We could only shoot the presentations we attended. You can see that our main interests are embedded systems and the Linux kernel wink smiley .

Conference videos and report

27 free videos from the ELC and FOSDEM 2008 conferences. Extensive technical report from ELC 2008.

After participating to the Embedded Linux Conference (ELC) in Mountain View, and to FOSDEM in Brussels, we are pleased to release the videos that we managed to shoot.

These videos should be useful to anyone interested in the multiple topics covered by these very interesting conferences, either to people who couldn’t join these conferences, or to single core participants who couldn’t attend more than one presentation at once. These videos are also interesting opportunities to see and hear key community members like Andrew Morton, Keith Packard, Henry Kingman, Tim Bird and many others!

While we’ve been releasing free technical videos for a few years now, ELC is the first conference for which we are also offering an extensive report, written by Thomas Petazzoni, one of our kernel and embedded system developers. This report is trying to sum up the most interesting things learned at this conference, at least from the presentations Thomas could attend. This way, you shouldn’t have to view all the videos to identify the most interesting talks.

In agreement with the speakers, these videos and the report are released under the terms of the Creative Commons Attribution-ShareAlike 3.0 license.

We hope that sharing this knowledge will attract new contributors and users, and will bring our community one step closer to world domination…

Embedded Linux Conference, Mountain View, Apr. 2008

Don’t miss our detailed report on the below presentations!

Keynote: The Relationship Between kernel.org Development and the Use of Linux for Embedded Applications, by Andrew Morton (Google):
video, slides (55 minutes, 240 MB)
UME – Ubuntu Mobile and Embedded, by David Mandala (Canonical):
video, slides (30 minutes, 145 MB)
Appropriate Community Practices: Social and Technical Advice, by Deepak Saxena (MontaVista):
video (thanks to Kevin Hilman, MontaVista)(44 minutes, 139 MB)
Adventures In Real-Time Performance Tuning, by Frank Rowand:
video,slides (50 minutes, 251 MB)
Shifting Sands: Lessons Learned from Linux on an FPGA, by Grant Likely:
video, slides (44 minutes, 262 MB)
Disko – An Application Framework for Digital Media Devices, by Guido Madaus:
video (27 minutes, 190 MB)
Keynote: Tux in Lights, by Henry Kingman (LinuxDevices.com):
video, slides (44 minutes, 139 MB)
Back-tracing in MIPS-based Linux Systems, by Jong-Sung Kim (LG Electronics):
video, slides
(54 minutes, 160 MB)
Making a Phone Call With Phase Change Memory, by Justin Treon (Numonyx):
video, slides (28 minutes, 159 MB)
Building Blocks for Embedded Power Management, by Kevin Hilman (MontaVista):
We couldn’t film his presentation, but we already shot a similar presentation he gave at Fosdem 2008: video ((56 minutes, 183 MB)
Using Real-Time Linux, by Klaas van Gend (MontaVista):
video, slides (53 minutes, 263 MB)
Every Microamp is Sacred – A Dynamic Voltage and Current Control Interface for the Linux Kernel, by Liam Girdwood (Wolfson Microelectronics):
video, slides (35 minutes, 71 MB)
Power Management Quality of Service and How You Could Use it in Your Embedded Application, by Mark Gross (Intel):
video, slides (57 minutes, 401 MB)
OpenEmbedded for product development, by Matt Locke (Embedded Alley):
video, slides (49 minutes, 141 MB)
Kernel Size Report, and Bloatwatch Update, by Matt Mackall (Selenic Consulting):
video (49 minutes, 146 MB)
Leveraging Free and Open Source Software in a Product Development Environment, by Matt Porter (Embedded Alley):
video, slides (45 minutes, 220 MB)
Using a JTAG for Linux Driver Debugging, by Mike Anderson (PTR Group):
video, slides (113 minutes, 694 MB)
DirectFB Internals – Things You Need to Know to Write Your DirectFB gfxdriver, by Takanari Hayama ():
video (43 minutes, 200 MB)
Linux Tiny – Penguin Weight Watchers, by Thomas Petazzoni (Bootlin):
video (thanks to Jean Pihet, MontaVista), slides (32 minutes, 140 MB)
Keynote: Status of Embedded Linux and CELF Plenary Meeting, by Tim Bird (Sony):
video, slides (49 minutes, 112 MB)

Slides are collected on http://www.celinux.org/elc08_presentations/.

Fosdem, Brussels, Feb. 2008

Modest, email client for embedded systems, by Dirk-Jan Binnema (Nokia):
video (34 minutes, 121 MB)
Design a Linux robot companion with 8 bits microcontrollers, by David Bourgeois:
video (54 minutes, 211 MB)
Linux on the PS3, by Olivier Grisel:
video (47 minutes, 272 MB)
Xen for Secure Isolation on ARM11, by Jean-Pihet (MontaVista):
video (41 minutes, 207 MB)
Building blocks for Embedded Power Management, by Kevin Hilman (MontaVista):
video (56 minutes, 183 MB)
Emdebian Update: Rootfs, GPE and tdebs, by Neil Williams:
video (47 minutes, 226 MB)
pjsip: lightweight portable SIP stack, by Perry Ismangil:
video (55 minutes, 194 MB)

Additional video

Roadmap to recovery – pain and redemption in X driver development, by Keith Packard:
video (44 minutes, 168 MB)

ELCE 2007 videos

Free videos of CELF’s Embedded Linux Conference Europe / 9th Real-Time Linux Workshop in Linz, Austria, November 2007.

We are happy to release the videos that we took at the CELF Embedded Linux Conference Europe 2007 / 9th Real-Time Linux Workshop which happened in Linz, Austria in November, 2007.

Detection & Resolution of Real Time Issues Using TimeDoctor, by François Audeon (NXP):
video (32 minutes, 359 MB)
Fancy and Fast GUIs on Embedded Devices, by Gustavo Sverzut Barbieri (INDT):
video, slides (46 minutes, 146 MB)
arch/ppc, arch/powerpc and Device Trees – A Walk Through a Port, by Hugh Blemings (IBM):
video (30 minutes, 534 MB)
Free Software, Licensing and Business Processes, by Shane Martin Coughlan (FSF Europe):
video, slides (40 minutes, 138 MB)
Introduction to LogFS, by Jörn Engel:
video, slides (46 minutes, 260 MB)
WebKit on Linux and How It Compares to Other Open Source Engines, by Holger Freyther (Trolltech):
video, slides (49 minutes, 205 MB)
Status Overview of Real-Time, by Thomas Gleixner (Linutronix.de):
video (47 minutes, 236 MB)
Kernel Summit Report, by Thomas Gleixner (Linutronix.de):
video (34 minutes, 520 MB)
Writing DirectFB gfxdriver For Your Embedded System, by Takanari Hayama (igel):
video, slides (31 minutes, 223 MB)
Improving JFFS2 RAM Usage and Performance, by Alexey Korolev (Intel):
video, slides (20 minutes, 141 MB)
YAFFS, by Wookey:
video, slides (45 minutes, 194 MB)
Parallelizing Linux boot on CE Devices, by Vitaly Wool (Embedded Alley Solutions):
video, slides (40 minutes, 185 MB)
Linux Suspend-to-Disk Objectives for Consumer Electronic Devices, by Vitaly Wool (Embedded Alley Solutions):
video, slides (35 minutes, 652 MB)
Evaluation of Linux rt-preempt for embedded industrial devices for Automation and Power technologies – A case study, by Morten Mossige, Pradyumna Sampath, Rachana Rao (ABB):
video, paper (22 minutes, 224 MB)
Assessment of the Realtime Preemption Patches (RT-Preempt) and their impact on the general purpose performance of the system, by Arthur Siro (DSLab / OSADL):
video, paper (31 minutes, 224 MB)
Panel: the ideal embedded Linux distribution, by Tim Bird (Sony):
video (65 minutes, 465 MB)

To speed up the processing of these videos, we contracted Jan Gerber, the developer of ffmpeg2theora, to add denoising support to this tool. Thanks to this contribution, it is now possible for anyone in the community to directly denoise DV camcorder input and generate Ogg/Theora video in just 1 step. Before it was necessary to use mencoder‘s denoising filter, and because mencoder couldn’t process DV input properly, a preprocessing stage with ffmpeg was also required. This new functionality can also improve the quality and compression rate of live Ogg/Theora video broadcasts.

Linux USB drivers

Learning how to write USB device drivers for Linux

Bootlin is proud to release a new set of training slides from its embedded Linux training materials. These new ones cover writing USB device drivers for Linux.

Like everything we create, these new materials are released to the user and developer community under a free license. They can be freely downloaded, copied, distributed or even modified according to the terms of the Creative Commons Attribution-ShareAlike 2.5 license.

2007 – Year of the Penguin

Best wishes for 2007!

Bootlin is happy to send its best wishes to the entire Free Software and Open Source user and developer community. Whether you believe or not in Finnish Astrology, let 2007 be the Year of the Penguin! For our customers, we also wish that their competitors continue to use proprietary operating systems! Wink emoticon

Do not hesitate to reuse our New Year’s card for your own needs. It’s Free as in Free Speech!

License: right to copy and modify if the copyright notice is kept. Graphic elements (astrological symbols) can be copied and modified with no restriction (Public Domain).
Downloads: source (Scalable Vector Graphics, created with Inkscape) and generated files can be found here.

Embedded Linux and Ecology

Embedded Linux contributions to the Linux Ecology HOWTO.

Bootlin has contributed major updates to the Linux Ecology HOWTO, a Linux Documentation Project document that gathers ideas and techniques for using Linux in an environmentally friendly way.

In particular, Bootlin took advantage of its experience with embedded Linux system development to add new techniques which can reduce power consumption or make it possible to extend the lifetime of old systems with limited resources.

Bootlin also contributed an overview presentation on this HOWTO. The latest HOWTO version with our updates (waiting for the next official release) can also be found on the same page.

CELF conference videos

Videos from the 2006 CE Linux Forum conference in Santa Clara, California

For people who couldn’t make it to the 2006 edition of the CE Linux Forum conference, Bootlin is happy to share the following videos, shot by Michael Opdenacker:

Keynote, by Tim Bird (Sony):
video, slides (46 minutes, 139 MB)
Usability of User-Space device drivers, by a speaker from Renesas:
video, slides (50 minutes, 256 MB)
What’s New with Busybox, by Rob Landley (TimeSys):
video (55 minutes, 322 MB)
Topics in Embedded Power Management, by Todd Poynor (MontaVista):
video, slides (44 minutes, 253 MB)
CE Linux Forum Open Test Lab, by Matt Locke (Nomad Global Solutions):
video (35 minutes, 213 MB)
Power Management Panel, by Mark Gross (Intel):
video (55 minutes, 360 MB)
Panel: Tips for Mainlining, From the Experts (starring Greg K.H., Greg Ungerer, Matt Mackall), by Tim Bird (Sony):
video (34 minutes, 230 MB)
MIPS BOF, by Arvind Kumar (MIPS):
video (53 minutes, 268 MB)
uClinux, by Greg Ungerer (SnapGear):
video, slides (44 minutes, 235 MB)
Examining Linux Kernel Size, by Munehiro Ikeda (NEC):
video, slides (42 minutes, 247 MB)
Integrating DirectFB into a UHAPI Platform, by Denis Kropp (directfb.org):
video, slides (31 minutes, 93 MB)
Linux Trace Toolkit Next Generation, by Mathieu Desnoyers (École Polytechnique de Montréal):
video, slides (34 minutes, 211 MB)
MythTV on Philips Nexperia PNX8550, by Klaas de Waal (Philips):
video, slides (50 minutes, 293 MB)
Visualizing Resource Usage During Initialization of Embedded Systems (embootchart), by Matthew Klahn (Motorola):
video, slides (51 minutes, 236 MB)
State of Linux Real-time BOF, by Manas Saksena (TimeSys):
video (42 minutes, 297 MB)
Closing Activity: Embedded Linux Quiz, by Tim Bird (Sony):
video (22 minutes, 235 MB)

Slides are being collected on http://tree.celinuxforum.org/CelfPubWiki/ELC2006Presentations.

You may also be interested in our report, published by LWN.net.

Fosdem 2006 videos

Videos from the Fosdem conference in Brussels

For people who couldn’t go to the 2006 edition of Fosdem, one of the 2 most popular worldwide meetings for Free Software developers, or who couldn’t attend all the presentations they were interested in, Bootlin is happy to share the below 12 videos from this event:

Software patents, by Richard Stallman (Free Software Foundation):
video (83 minutes, 345 MB)
SETR LiveCD, live tool for embedded development, by Hector Oron:
video (30 minutes – lacks the first 5 minutes, 93 MB)
Optimizing the Linux kernel and applications, by
Michael Opdenacker (Bootlin): video (49 minutes, 129 MB)
Lock-Free Data Exchange for Real-time applications, by Peter Soetens (Flander’s Mechatronics Technology Center, Leuven):
video (49 minutes, 170 MB)
Alsa SoC layer, by Liam Girdwood (Wolfson Microelectronics):
video (37 minutes, 95 MB)
The Maemo development platform, by Tommi Komulainen (Nokia):
video (45 minutes, 151 MB)
Building and supporting distributions with OpenEmbedded,
by Koen Kooi (Familiar release manager):
video (48 minutes, 179 MB)
Towards a common embedded power management solution, by
David Weinehall and Sampsa Fabritius (Nokia): video (81 minutes, 292 MB)
Real-time patches for Linux, by Klaas van Gend (MontaVista):
video (55 minutes, 126 MB)
SLIND, a small Debian for embedded systems, by Benjamin Collar (Siemens):
video (55 minutes, 161 MB)
Openocd, the Open On-Chip Debugger, by Dominic Rath (University of Applied Sciences, Augsburg):
video (40 minutes, 128 MB)
The challenge of the GNU/Linux desktop, by Jeff Waugh (Ubuntu / Gnome):
video (53 minutes, 176 MB)

See the abstracts of the presentations in the embedded track. Many other Fosdem videos can be found here.

Though most videos are related to the embedded topic, anyone could be be interested in Richard Stallman’s arguments on Software Patents as well as in Jeff Vaugh’s very entertaining keynote.

These videos are available under the Creative Commons Attribution – Share Alike 2.5 license.

Many other videos from Fosdem can be found here.

Happy 2006 with a penguin!

Penguin New Year wishes and good reasons for using Free Software in 2006

Bootlin wishes a Happy New Year to embedded system developers and to all members of the Free Software and Open Source community.

Unlike other birds…
Penguins never freeze!
While most others stay locked in a cozy shelter…

In 2006,
with a penguin,
you can reach out,
withstand extreme conditions,
and pioneer an exciting world of opportunities!
Happy New Year!

License: right to copy and modify if the copyright notice is kept. Graphic elements (trees, cottage…) can be copied and modified with no restriction (Public Domain).
Source (Scalable Vector Graphics, created with Inkscape) and generated files can be found here. Rooster, hen and penguin graphics come from the Open Clip Art project.
Contributed 3 reusable graphics (cottage, Christmas hat and pine tree) back to Open Clip Art.

New presentation

To make these wishes come true, Bootlin has also released a new presentation collecting the main strengths (and weaknesses too) of Free Software in embedded systems. It should help to make the decision to (or not to) rely on penguins in 2006 and in the years to come.