Articles with tag 'kernel'

Automated Kernel Testing on RISC-V Hardware

Thu 21 September 2023 - Neill Whillans

Continuing our work on robust testing in support of long-term maintainability, we present a testing pipeline that makes use of both LAVA and OpenQA to perform automated kernel tests on RISC-V hardware.

Automated Linux kernel testing

Tue 21 September 2021 - Neill Whillans, Laurence Urhegyi

Everyone wants the same thing: stable software for the long term, including the latest features. To achieve this, you need to have confidence in your software and in the software you depend on, which has to come from testing.

Testing environment for GNOME with OpenQA Thumbnail

Higher quality of FOSS: How we are helping GNOME to improve their test pipeline

Thu 12 August 2021 - Sam Thursfield

High quality releases require high quality testing infrastructure. To show how deep OS and GUI testing can be done, let's look at the OpenQA instance we helped set up for GNOME.

Why aligning with open source mainline is the way to go

Thu 17 June 2021 - Neill Whillans

You’ve made a choice to use open-source software as part of your product release. That’s a great start. Open-source software projects usually have large contributing communities that help improve the software’s quality and functionality over time.

RISC-V User space access Oops

Wed 21 April 2021 - Ben Dooks

As part of Codethink's interest in RISC-V I have been following the RISC-V kernel list. Whilst looking through the postings the following bug came up, titled: [syzbot] BUG: unable to handle kernel access to user memory in schedule_tail

How to use Tracecompass to analyse kernel traces from LTTng

Tue 07 July 2020 - Sudip Mukherjee

Codethink is a software company that works on various client projects; ranging from medical, finance, automotive. In these different areas of engagement; we are trusted to work on various types of problems that clients face with their systems. One such problem encountered required us looking at a userspace software where the program was occasionally not responding on time.

Investigating kernel user-space access

Tue 16 June 2020 - Ben Dooks, Kejia Hu

In 2018, Codethink worked with Lukas Bulwahn from BMW on a project investigating some core functionality of the Linux kernel that is relevant to safety considerations of an assumed system. We wanted to share some of our findings from this work, as it could prove useful to communities interested in using Linux in a safety-critical context.

Codethink helps York Instruments to deliver world-beating medical brain-scanner

Fri 14 June 2019 - Tim Pockney

Codethink partnered with York Instruments on a project to develop a new Magnetoencephalogram (MEG) scanner to replace their existing apparatus. This is a neuroimaging device which maps brain activity by recording magnetic fields which are produced by naturally occurring electrical currents in the brain.

Codethink contributes to CIP Super Long Term Kernel maintenance

Fri 05 April 2019 - Tim Pockney

The Civil Infrastructure Platform (CIP), a Linux Foundation Initiative, is attracting the attention of well known stakeholders in the Industrial Grade space.

The long term project goal is to create an Open Source base layer for industrial grade systems collaboratively to enable the creation of reusable building blocks that meet …

Configuring Linux to stabilise latency

Thu 27 September 2018 - Beth White

Configuring Linux systems to stabilise latency

Over the course of the last few months, Codethink have conducted an investigation into whether or not Linux systems can be configured to be deterministic, so that performance over time is made to be more predictable and overall improved by tweaking the kernel in …

Codethink at ELCE 2017

Mon 04 December 2017 - Agustin Benito Bethencourt

Traditionally ELCE has been an important annual event for Codethink. This year was no exception. ELCE 2017 was not only a great technical event but...

No Secret Sauce, Just Open Source

Fri 25 July 2014 - Codethink

NVIDIA Jetson TK1 + Baserock + Linux 3.15 in one day Engineers take just 24 hours to get a new open source 3.15 Linux operating system running on new NVIDIA Jetson TK1.