LinuxLink Radio by TimeSys Podcasts

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View the full archive of LinuxLink Radio by TimeSys Episode 42: Qt/Embedded for Linux For this topic, Maciej invited Timesys engineers, Justin and Scott, to participate. Both engineers, having enjoyed using Nokia's software on the Neo phone and having experience with Qt/Embedded for Linux at Timesys, share their insight into the recently released graphics toolkit. The trio spends time introducing historical perspective on Qt and unsuccessfully tries to figure out the long list of names the package has had over the years. Scott talks about other open source graphics framewo ... Listen | Listen in your iPhone | Download | View full cache | Episode 41: Desktop-based Build Systems For this episode, Maciej invited two Timesys engineers, Daniel and Jason (both of whom have been working with the Timesys desktop build system and a number of open source ones, including buildroot and LTIB), to participate. After introducing Timesys' approach to building complete Linux platform, the trio talks about the differences and similarities between buildroot, open embedded and LTIB, and also touch on mainstream distributions like Fedora and Ubuntu. Lastly, Daniel addresses a questio ... Listen | Listen in your iPhone | Download | View full cache | Episode 1: What is Embedded Linux and why should you care? What and why is embedded Linux? Why should you care? What is the business reason for embedded Linux? What is the technical reason for embedded Linux? How do you get started with embedded Linux? Listen | Listen in your iPhone | Download | View full cache | Episode 2: Thomas Gleixner Interview - Realtime Embedded Linux Special guest interview with Thomas Gleixner, Founder of Linutronix and works mainly on kernel related topics. He is one of the main contributors to the realtime preemption patch and has extensive expertise in embedded and realtime Linux. Listen | Listen in your iPhone | Download | View full cache | Episode 3: The State of Embedded Linux Gene Sally and Maciej Halasz discuss where embedded Linux was 5 years ago, where it is Today and where they think it is going. Listen | Listen in your iPhone | Download | View full cache | Episode 4: Getting Started with Embedded Linux Discussion of the basics of getting started with Embedded Linux including: Host environment set up, what works and what doesnt work, using Cygwin and some common challenges and pitfalls of embedded Linux. Listen | Listen in your iPhone | Download | View full cache | Episode 5: What goes into a LinuxLink? In this episode, Gene and Maciej discuss the engineering that goes into build a Linux distribution for LinuxLink -- from getting the cross-compilation environment ready, to homogenizing the source packages so they can be compiled for all of the different architectures LinuxLink supports, to automated testing -- there's quite a bit of technology that happens before a LinuxLink is ready for publication. Listen | Listen in your iPhone | Download | View full cache | Episode 6: Rob Landley Interview - Self Professed Embedded Linux Geek Special guest interview with Rob Landley, self professed embedded Linux geek, talks about a wide range of topics; how he got involved with embedded Linux and later the ubiquitous BusyBox project, the philosophy of "security through simplicity", and the new firmware Linux project he's been working on lately to name a few. Listen | Listen in your iPhone | Download | View full cache | Episode 7: Evaluating Linux for your project? In this episode, Maciej and Gene share their experiences with customers and give some practical advice so you can make the best of your evaluation. For example, hear how companies can benefit greatly by using a desktop machine in place of a board and how making sure that Linux fits into your team's existing development structure is as important as the technological questions. Listen | Listen in your iPhone | Download | View full cache | Episode 8: Jeremiah Lott Interview - Senior Software Engineer at TimeSys Maciej interviews Jeremiah Lott who is a Senior Software Engineer at TimeSys. They discuss how TimeSys' Eclipse-based IDE product, TimeStorm, helps embedded Linux developers throughout the entire development cycle. Listen | Listen in your iPhone | Download | View full cache | Episode 9: The Promise of Linux Gene Sally frequently visits customers to understand why they selected Linux and if it met their expectations. In this podcast, Gene discusses what he heard from a variety of customers at various stages of project (those just getting started with Linux opposed to customers who have shipped multiple releases) as to why they selected Linux and it if met the expectations held out at the start of the project. Listen | Listen in your iPhone | Download | View full cache | Episode 10: Review of ESEC Conference in Japan Maciej Halasz recently returned from his trip to Japan visiting customers and attending the Embedded Systems Expo and Conference (ESEC) held May 16-18 in Tokyo. In this podcast, Maciej talks about his experience at ESEC and discusses some interesting embedded Linux applications and trends he found. Listen | Listen in your iPhone | Download | View full cache | Episode 11: Optimizing Kernel Boot Time Gene and Maciej were finally able to do a podcast together this week. In this discussion they talked about the process of minimizing kernel boot times with various approaches and trade-offs associated with faster boot times. Maciej discussed the merits of a the elegant staged boot process while Gene pushes the slash-and-burn approach of eliminating the existing Linux boot scripts and replacing them with the minimum necessary to get your system booted. Listen | Listen in your iPhone | Download | View full cache | Episode 12: Optimizing Kernel Boot Time Part 2 Maciej and Gene continue talking about system minimization and what steps you can take to reduce the memory footprint of your embedded device and get faster boot times and execution. Strategies include using the CONFIG_EMBEDDED option when building the kernel, using a more efficient filesystem (like initramfs) and taking advantage of pre-linking and execute in place. Listen | Listen in your iPhone | Download | View full cache | Episode 13: Review of the Ottawa Linux Symposium Gene Sally recently returned from the Ottawa Linux Symposium held June 27-30th. In this podcast, Maciej Halasz interviews Gene about his experience at OLS and discusses some interesting trends he found happening in the world of Embedded Linux. Listen | Listen in your iPhone | Download | View full cache | Episode 14: Real-Time Embedded Linux Series - Part 1: Gene and Maciej kick off a multi part series discussing real-time embedded Linux. In part 1, they discuss common real-time terminology, what real time is, what it is not and the difference between hard and soft real-time. They also begin discussing latency and what factors tend to be the major contributors to latency issues. Listen | Listen in your iPhone | Download | View full cache | Episode 15: Real-Time Embedded Linux Series - Part 2: Gene and Maciej continue their multi part series discussing real-time embedded Linux. In Part 2, they discuss more sources of latency in detail and new real time features of the 2.6 kernel. Also discussed are common coding practices that result in latency and some simple tactics for coding drivers and applications that play nice with each other and the kernel. Listen | Listen in your iPhone | Download | View full cache | Episode 16: Real-Time Embedded Linux Series - Part 3: Gene and Maciej continue their multi part series discussing real-time embedded Linux. In part 3, they discuss real-time concepts that are currently in the 2.6 kernel and how they were implemented. They also reviewed configuration option that track real-time behavior and predictability vs. throughput tradeoffs. Listen | Listen in your iPhone | Download | View full cache | Episode 17: Selecting the Right Toolset for Your Job - Part 1: Gene talks about tools for embedded Linux engineers. While he covers specific tools that make development easier, he also recommends that engineers pick tools that matches their experience level and goals. Sophisticated tools maximize productivity for engineers that know how to use them, but engineers that are new to embedded Linux might benefit from sticking with their text editors while they’re still learning. Listen | Listen in your iPhone | Download | View full cache | Episode 18: Selecting the Right Toolset for Your Job - Part 2: Continuing with the tools topic, Maciej and Gene talk about code analysis tools that can be used to locate memory-related defects that can be very hard to find during development and are nearly impossible to debug in the field. The two discuss the differences between static and dynamic code analysis tools the relative advantages of each. Listen | Listen in your iPhone | Download | View full cache |