May 14, 2019 by Adrian Ratiu | Blog
Up until now, talking in-depth about userspace tracing was deliberately avoided because it merits special treatment, hence this part devoted to it. We'll now look at the why of it, and we'll examine eBPF user tracing in two categories: static and dynamic.
May 09, 2019 by André Almeida | News & Events
Earlier this week, Linux Kernel 5.1 was released, and with it came over 13,000 commits from developers all around the world, including Collaborans. This time around, no less than 12 different developers contributed commits (64), sign-offs (111) & more.
May 08, 2019 by Santosh Mahto | Blog
After a successful team effort, the patch enabling the Chromium Embedded Framework (CEF) Ozone builds to run with different platform backends, such as Wayland, has finally landed upstream.
May 06, 2019 by Aaron Boxer | News & Events
After a year-long development cycle, the much anticipated release was made available recently. With it came a number of exciting new features we're especially proud of, including per-element latency tracer and support for planar or non-interleaved audio.
May 06, 2019 by Adrian Ratiu | Blog
Now that we've studied the mainstream way of developing and using eBPF programs on top of the low-level VM mechanisms, we'll look at projects taking different approaches, attempting solutions to some of the unique problems faced by embedded Linux.
May 02, 2019 by Robert Foss | Blog
A previous post introduced the SPURV Android compatibility layer for Wayland based Linux environment. In this post, we're going to dig into how you can run an Android application on the very common i.MX6 based Nitrogen6_MAX board.
April 26, 2019 by Adrian Ratiu | Blog
In part 1 and 2 of this series, we took a condensed in-depth look at the eBPF VM. In part 3, we define the high-level components of an eBPF program, including the backend, loader, frontend and data structures.
April 25, 2019 by Guillaume Desmottes | Blog
GStreamer's logging system is an incredibly powerful ally when debugging but it can sometimes be a bit daunting to dig through the massive amount of generated logs. I often find myself writing small scripts processing gst logs when debugging.
April 24, 2019 by Marius Vlad | Blog
The recent release of version 6 of the Weston compositor has brought with it the weston-debug protocol, a new feature that allows developers and users alike to display on-the-fly various debugging (logging) information generated by the compositor.
April 18, 2019 by Ezequiel Garcia | Blog
A well-known Linux kernel developer once said, a poor craftsman famously complains about his tools, but a good craftsman knows how to choose excellent tools. Here's a python-based tool that integrates git and patchwork, and can greatly improve your toolbox.
April 15, 2019 by Adrian Ratiu | Blog
The second part of this series takes a more in-depth look at the eBPF VM and program studied in the first part. Having this low level knowledge is not mandatory but can be a very useful foundation for the rest of the series.
April 09, 2019 by Nicolas Dufresne | News & Events
Collabora contributes elements implementing the RIST Simple Profile to GStreamer. This specification adds retransmissions to RTP streams in a way that it compatible with existing broadcast encoders and decoders.
June 11, 2021 by Alyssa Rosenzweig | Blog
Panfrost, the open source driver for Arm Mali, now supports OpenGL ES 3.1 on both Midgard (Mali T760 and newer) and Bifrost (Mali G31, G52, G76) GPUs, adding a number of features, notably including compute shaders.
May 17, 2021 by Gert Wollny | Blog
Collabora has been investing into Perfetto to enable driver authors & users to get deep insights into driver internals and GPU performance. Here's how we applied this work to study workloads on the virtualized VirGL implementation.
May 11, 2021 by Emil Velikov | Blog
The Hantro Video4Linux2 (V4L2) kernel module has gained support for another SoC! The Microchip SAMA5D4 features a single decode unit supporting MPEG2, VP8 and H.264 streams, alongside the built-in post-processing unit.
May 05, 2021 by Frederic Danis | Blog
DKMS is a framework that is mostly used to build and install external kernel modules. It can also be used to install a specific patch to the modules of the current kernel, such as applying a specific fix to the Bluetooth USB subsystem.
April 29, 2021 by Xavier Claessens | Blog
Building GTK 4 as a Meson subproject for your own application is not only useful for Windows builds, but also for many Linux distributions that do not yet package a recent enough version of GTK 4 and/or its dependencies.
April 22, 2021 by Antonio Caggiano | Blog
Recently, we have been using Perfetto to successfully profile Apitrace traces in crosvm through VirGL renderer. We have now added perfetto instrumentation to VirGL renderer, Mesa, and Apitrace to see what happens precisely in a frame.
April 20, 2021 by Marcus Edel | Blog
As part of a project backed by INVEST-AI, a program managed by IVADO Labs, we have developed a multi-stage neural network-based solution that accurately locates and tracks the hands despite complex background noise and occlusion between hands.
April 13, 2021 by Andrzej Pietrasiewicz | Blog
Did you know you could run a permissively-licensed MTP implementation with minimal dependencies on an embedded device? Here's a step-by-step guide on how to easily run cmtp-responder on a Rock Pi 4 or any other board equipped with a UDC.
March 24, 2021 by Guillaume Desmottes | Blog
Earlier this year, the Rust compiler gained support for LLVM source-base code coverage. In this post we'll explain how to setup a CI job in a Rust project to feed source-base coverage information to GitLab.
March 18, 2021 by Xavier Claessens | Blog
Over the past few months, I've been working on a side project to improve Meson sub-project support. The best stress test is to build projects on Windows, without msys2, because it has no dependencies or tools installed (e.g. pkg-config).
March 04, 2021 by Alexandra Pereira | Blog
The most complete automated testing and continuous integration tool for the Linux kernel continues to evolve at a rapid pace. Here's a look at the latest improvements to the KernelCI dashboard, the main web interface used by the project.
March 03, 2021 by Arnaud Ferraris | Blog
In the embedded world, many modern SoCs such as the ST Microelectronics STM32MP1 now include coprocessor cores which can be used for a wide range of tasks and can offload some of the work from the main processor.
July 26, 2018 by Mark Filion | News & Events
Collabora is heading East to sponsor & attend DebConf18, the annual Debian conference! The week-long event takes place for the first time in Asia, at the National Chiao Tung University Microelectronics & Information Research Center, in Hsinchu Taiwan.
June 29, 2018 by Mark Filion | News & Events
By this time next week, Collaborans will have arrived in Almería, Spain, to attend and speak at the 2018 edition of GUADEC, the annual GNOME conference. Come say hello!
June 04, 2018 by Enric Balletbò i Serra | News & Events
Linus Torvalds has now released the official Linux 4.17, so it’s time for our traditional blog post summing up our contributions to the latest version of the Linux kernel, which include a number of patches to the DRM subsystem.
April 20, 2018 by Mark Filion | News & Events
This weekend, we're headed to Gothenburg, Sweden, to meet the Nordic FOSS community at foss-north, a free / open source conference covering both software and hardware from the technical perspective!
April 06, 2018 by Mark Filion | News & Events
Attending the NAB Show in Las Vegas? Make sure to stop by Collabora's booth, #N2908VR in the North Hall, and get a firsthand look at the latest in Open Source software integration!
April 03, 2018 by Jassie Badion | News & Events
Meet the newest members of our ever-growing engineering and administrative teams! Welcome Arnaud, Omar, Correntin, Lakshmipathi, Rebecca, Ezequiel, Ritesh, Ana and Zeeshan!
April 02, 2018 by Gustavo Padovan | News & Events
Linux Kernel 4.16 was released over the weekend, and with it came 33 patches contributed by 8 different Collabora developers, including the addition of usb3 and extcon support for Rockchip RK3399 devices, and display support for the Nokia N9.
March 22, 2018 by Olivier Crête | News & Events
After a particularly long cycle of over 10 months, GStreamer accumulated many improvements that are now available in the 1.14 release. Here's a look at some of the contributions from Collabora's engineers that we're particularly proud of.
March 22, 2018 by Mark Filion | News & Events
After a great time in Portland last week for ELC, Collaborans have arrived in Singapore for the 2018 edition of FOSSASIA Summit, the premier Open Technology event in Asia for developers, contributors, start-ups, and technology companies.
March 09, 2018 by Mark Filion | News & Events
It's that time of the year again! The snow has melted, spring is right around the corner and the annual Embedded Linux Conference begins next week in Portland! If you are planning on attending, come say hello or catch one of our three presentations!
February 26, 2018 by Mark Filion | News & Events
This week, we're in Nuremberg, Germany to take part in this year's edition of Embedded World, the leading international fair for embedded systems! Come say hello, booth 4-170!
Here are the online events we'll be attending in the coming weeks – join us!
2-6 June, Online
3 June, Online
18-25 June, Online