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Kernel: Systemd, Snowpatch, Linux Foundation and Mesa Graphics

Submitted by Roy Schestowitz on Thursday 7th of February 2019 06:36:46 AM Filed under
Graphics/Benchmarks
Linux
  • Systemd as tragedy

    Tragedy, according to Wikipedia, is "a form of drama based on human suffering that invokes an accompanying catharsis or pleasure in audiences". Benno Rice took his inspiration from that definition for his 2019 linux.conf.au talk on the story of systemd which, he said, involves no shortage of suffering. His attempt to cast that story for the pleasure of his audience resulted in a sympathetic and nuanced look at a turbulent chapter in the history of the Linux system.

    Rice was also influenced by Aurynn Shaw's writing on "contempt culture". According to Shaw, people use contempt (of developers using a different programming language, for example) as a social signifier, a way of showing that they belong to the correct group. This sort of contempt certainly plays into this story, where large groups identify themselves primarily by their disdain for systemd and those who work with it. A related concept is change, or the resistance thereto. The familiar is comfortable, but it isn't necessarily good, especially if it has been around for a long time.

  • Snowpatch: continuous-integration testing for the kernel

    Many projects use continuous-integration (CI) testing to improve the quality of the software they produce. By running a set of tests after every commit, CI systems can identify problems quickly, before they find their way into a release and bite unsuspecting users. The Linux kernel project lags many others in its use of CI testing for a number of reasons, including a fundamental mismatch with how kernel developers tend to manage their workflows. At linux.conf.au 2019, Russell Currey described a CI system called Snowpatch that, he hopes, will bridge the gap and bring better testing to the kernel development process.

    There are a number of advantages to CI, Currey said. It provides immediate feedback to developers; with luck, they can fix their problems before other people have to spend any time reporting them. It can save a lot of time for reviewers. As a result, the whole code submission process speeds up, and the project is able to move more quickly as a whole.

  • Beyond Kubernetes: A report card on the Cloud Native Computing Foundation's open source efforts

    Like, for example, how amazing Google has been with Kubernetes. As I've noted before, Google has done just about everything right in its stewardship of the open source container orchestration engine. The easiest way to see this, however, is in Google's declining share of Kubernetes commits.

    Kubernetes sees lots of community involvement, with 3,505 committers and 18,167 contributors making up the Kubernetes community over the past year. Google, the originator of Kubernetes, not surprisingly dominates its development. Importantly, it "dominates" less and less each year. Whether you measure "known commits authors" (34% last year, but 29.5% in the last three months) or other measures of corporate involvement, Google's share of the Kubernetes commit pie is down from last year (and down even more from the year before), with Red Hat and others stepping up to contribute more.

  • RADV Vulkan Driver Wires In EXT_buffer_device_address Support For Mesa 19.1

    The Radeon RADV and Intel ANV Vulkan drivers have support for the new VK_EXT_buffer_device_address extension with the in-development Mesa 19.1.

    VK_EXT_buffer_device_address was introduced last month with Vulkan 1.1.97 as a way to query a device address value for a buffer. That buffer address can then be used by GLSL's PhysicalStorageBufferEXT or SPIR-V's SPV_EXT_physical_storage_buffer to access the buffer memory.

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