Tag
kernel-tick
- Jun 22, 2026 How a Preemptive RTOS Scheduler Picks the Next Task The ready-list, priority comparison, and context switch path a fixed-priority kernel follows on every tick, and why the runnable set is the only structure that matters. embedded systems
- Aug 6, 2025 Blocking Primitives: How a Task Waits Without Spinning The blocked-state bookkeeping behind a semaphore take, how a woken task reaches the ready set, and what the wake-up path costs in latency and stack. embedded systems
- Jun 21, 2025 Interrupt Latency, Tick Overhead, and the Kernel Cost Budget How to decompose the delay from an external event to a task running into measurable pieces, and which kernel configuration choices move each piece. embedded systems