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kernelci.org is an open source project that aims to validate Linux kernel code by building, booting, and testing kernel configurations on various hardware platforms. It consists of five automated hardware labs around the world. For each change to the kernel tree, it builds over 300,000 configurations, boots over 400,000 platforms, and executes over 5,000 tests. The goals are to ensure regressions are caught, provide a platform reference for the community, and fix bugs reported from results.
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The document discusses the history of build tools and outlines a roadmap for sbt 1.0 focused on stability and modularization. It introduces sbt-server as a way to centralize build tasks and allow multiple clients to interact with the build. Key points of the sbt-server design include running tasks in a centralized queue, handling reconnects, using a versioned protocol for communication, and supporting background jobs and input. The document also discusses bringing existing sbt plugins onto sbt-server without breaking functionality.
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This document provides an overview of embedded Linux for an embedded systems design course. It discusses various commercial and open source embedded Linux distributions and their characteristics. It also covers important topics for embedded Linux including tool chains, the Linux kernel, debugging, driver development, memory management, and synchronization techniques. Example code snippets are provided for common Linux system programming tasks like file I/O, processes, threads, IPC, signals, and sockets. Cross-compiling for embedded targets is also briefly explained.
20141111_SOS3_Gallo
Linaro has enabled server class workloads for ARM servers by optimizing key open source software. They have contributed patches to projects like the Linux kernel, KVM, Xen, OpenJDK, Hadoop, and OpenStack. This has allowed OpenStack to run on ARMv8 hardware, with all applicable Tempest tests passing. Linaro is also working on optimizations for server workloads like the LAMP stack, HDFS, and HipHop JIT. Their efforts are helping to accelerate ARM's adoption in the server market.
OpenStack Integration with OpenContrail and OpenDaylight
OpenStack Summit Boston 2017. Presentation about OpenStack and SDN Cotnrollers (OpenContrail and OpenDaylight).
Upstreaming 101 - SFO17-TR02
Session ID: SFO17-TR02
Session Name: Upstreaming 101
- SFO17-TR02
Speaker: Daniel Lezcano
Track:
★ Session Summary ★
Introduction to the mechanics and norms of upstreaming
---------------------------------------------------
★ Resources ★
Event Page: http://connect.linaro.org/resource/sfo17/sfo17-tr02/
Presentation:
Video:
---------------------------------------------------
★ Event Details ★
Linaro Connect San Francisco 2017 (SFO17)
25-29 September 2017
Hyatt Regency San Francisco Airport
---------------------------------------------------
Keyword:
http://www.linaro.org
http://connect.linaro.org
---------------------------------------------------
Follow us on Social Media
https://www.facebook.com/LinaroOrg
https://twitter.com/linaroorg
https://www.youtube.com/user/linaroorg?sub_confirmation=1
https://www.linkedin.com/company/1026961
BUD17-TR02: Upstreaming 101
"Session ID: BUD17-TR02
Session Name: Upstreaming 101 - BUD17-TR02
Speaker:
Track:
★ Session Summary ★
Introduction to the mechanics and norms of upstreaming
---------------------------------------------------
★ Resources ★
Event Page: http://connect.linaro.org/resource/bud17/bud17-tr02/
Presentation: https://www.slideshare.net/linaroorg/bud17tr02-upstreaming-101
Video: https://youtu.be/S-zoQNNn-Q0
---------------------------------------------------
★ Event Details ★
Linaro Connect Budapest 2017 (BUD17)
6-10 March 2017
Corinthia Hotel, Budapest,
Erzsébet krt. 43-49,
1073 Hungary
---------------------------------------------------
Keyword: Upstreaming, 101
http://www.linaro.org
http://connect.linaro.org
---------------------------------------------------
Follow us on Social Media
https://www.facebook.com/LinaroOrg
https://twitter.com/linaroorg
https://www.youtube.com/user/linaroorg?sub_confirmation=1
https://www.linkedin.com/company/1026961"
LCNA14: Why Use Xen for Large Scale Enterprise Deployments? - Konrad Rzeszute...
LCNA14: Why Use Xen for Large Scale Enterprise Deployments? - Konrad Rzeszute...The Linux Foundation
For many years, the Xen community has been delivering a solid virtualization platform for the enterprise. In support of the Xen community innovation effort, Oracle has been translating our enterprise experience with mission-critical workloads and large-scale infrastructure deployments into upstream contributions for the Linux and Xen efforts. In this session, you'll hear from a key Oracle expert, and community member, about Oracle contributions that focus on large-scale Xen deployments, networking, PV drivers, new PVH architecture, performance enhancements, dynamic memory usage with ‘tmem', and much more. This is your chance to get an under the hood view and see why the Xen architecture is the ideal choice for the enterprise.Efficient mobile automation
Vitalii Tatarynov gave a presentation on efficient mobile automation. He discussed three parts of successful automation: writing good code, collaborating with the team, and making a robust infrastructure. For writing good code, he emphasized keeping it simple, reusing patterns and libraries, and leveraging new language features. For infrastructure, he described setting up a Jenkins pipeline for continuous integration and using Appium, Espresso, and OpenSTF for testing. He also demonstrated how to install Jenkins, OpenSTF, and set up a Docker environment for mobile testing automation.
Kernel Recipes 2013 - Easy rootfs using Buildroot
The Linux kernel is an exciting world. But if you want to get a working system, it is still essential to provide our kernel a root filesystem. The kernel developers often struggle to find a simple rootfs, adapted to their architecture, together with the tools that fits properly.
We will present how Buildroot, a tool for building embedded Linux systems, can meet the needs of kernel developers in the build of minimal rootfs for their developments.
FPGA workshop
FPGA introduction for absolute beginners
- What is inside FPGA (Altera example)
- What are the major differences between firmware development for MCU and FPGA
- Some very basics of Verilog HDL language (by similarities with C/C++)
- Testbench approach and Icarus simulator demonstration
- Altera Quartus IDE demonstration -- creating project, compilation, and download
- Signal-Tap internal logic analyzer demonstration
(Verilog source code examples attached inside presentation)
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Bkk16 309B Enterprise Firmware - The gold standard and how to get there
Bkk16 309B Enterprise Firmware - The gold standard and how to get there
LCE13: Test and Validation Summit: The future of testing at Linaro
LCE13: Test and Validation Summit: The future of testing at Linaro
LCE13: Test and Validation Mini-Summit: Review Current Linaro Engineering Pro...
LCE13: Test and Validation Mini-Summit: Review Current Linaro Engineering Pro...
Kernel Recipes 2015: Solving the Linux storage scalability bottlenecks
Kernel Recipes 2015: Solving the Linux storage scalability bottlenecks
Develop Your Own Operating Systems using Cheap ARM Boards
Develop Your Own Operating Systems using Cheap ARM Boards
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LCNA14: Why Use Xen for Large Scale Enterprise Deployments? - Konrad Rzeszute...
LCNA14: Why Use Xen for Large Scale Enterprise Deployments? - Konrad Rzeszute...
kci-linuxcon
- 1. kernelci.org The upstream kernel validation project
- 2. Who is this guy? ● Tyler Baker ● Director of Engineering at Linaro ○ Automation and CI ● Maintainer of Linaro’s Automated Validation Architecture (LAVA) ● Upstream Linux Kernel contributor ● Embedded Software Engineer
- 3. Goals Build every configuration for each architecture. Boot these configurations. Execute tests on these configurations. Do ALL of this each time a kernel tree changes. Report the results in a sensible way. Profit. #exactsteps
- 4. Wait, but why? To ensure the hard work being done upstream is gross regression free. In addition, to provide a platform reference for the community.
- 5. Prologue The ARM SoC maintainers developed scripts to build and boot test various boards for sanity purposes. This work would eventually become the basis for kernelci.org.
- 6. Current Status kernelci.org consists of five automated hardware labs distributed all over the world. The hardware ranges from x86 servers to very small embedded platforms. This cluster of labs produce ~450 platform results for each tree.
- 7. 0-Day Does a really good job, it is extremely fast, but does have some issues. Source code not available Only x86 VMs Does not publish artifacts
- 8. How is this system different? kernelci.org is… distributed bootstrapping from metal open source community driven publishing artifacts
- 9. Metrics 436,599 platforms booted ~1000 boot per day 298,343 kernel trees built (arm, arm64, x86) 5,182 test cases executed 43 kernel bugs fixed upstream in 2015
- 10. Lessons Learned
- 11. Enough Talk Already SHOW ME SOME DEMOS
- 13. FRONTEND DEMO
- 14. KSELFTEST DEMO
- 15. LAVA DEMO
- 17. API DEMO
- 18. Future Test result reporting and visualization Result deltas Automagic bisection Toolchain testing Moar hardware
- 19. Big Data We have been archiving all data since v3.12. Elastic Search? Trends?
- 20. What is missing?
- 21. How can I halp? Donations! ● Upstream supported platforms ● Build machines Debug! ● Report issues ● Confirm fixes ● Send patches
- 22. Get involved #kernelci on freenode https://github.com/kernelci kernel-build-reports mailing list http://wiki.kernelci.org http://api.kernelci.org info@kernelci.org