It used to be that building the Linux kernel was not easy. Testing and debugging were even worse. Nowadays, it is reasonably easy to build a custom kernel and test or debug it using virtualization.

Kernel debugging systems can slow the kernel enough to hide or change the bugs they’re looking for. A new tracing system would minimize the performance penalty of running with tracing on. LTTng relies ...

Embedded systems have become a cornerstone of modern technology, powering everything from IoT devices to automotive control systems. These specialized systems rely on software that is lightweight, ...