This talk will uncover for the first time the true origin of ‘Extended Berkley Packet Filter’. It would be fascinating for aspiring and expert open source developers to discover BPF’s path into one of the most sophisticated and challenging parts of software stack....
HID (Human Interface Device) is an old protocol which handles input devices. It is supposed to be standard and to allow devices to work without the need for a driver. Unfortunately, it is not standard, merely “standard”. The HID subsystem has roughly 80 drivers, half...
A lot of neat little features has been added to the ftrace tracing subsystem. This will go over what those are. From synthetic events to event probes. New triggers and even user events. If you don’t know what these are, then this talk will explain them to...
The Linux kernel’s ftrace mechanism makes it possible to dynamically attach hooks to kernel functions, and can be used for a variety of purposes including tracing, debugging, and live-patching. The low-level details of ftrace differ by architecture, and recently the...
