Tag
ring-buffer
- Jul 21, 2026 Kernel Logging: The Ring Buffer Behind printk Why kernel messages are written to a fixed circular buffer instead of a file, how records are framed, and what happens when the console cannot keep up with the producer. operating systems
- Feb 13, 2026 io_uring and Shared-Memory Submission Queues How a pair of ring buffers mapped into the process removes most system calls from an I/O path, and which costs remain once the traps are gone. operating systems
- Mar 26, 2024 Ring Buffers and the Cost of Telling Full From Empty Why a fixed-size queue needs one extra slot, how the monotonic counter variant trades a mask for a free bit, and where each breaks under concurrency. data structures