Tag
run-queue
- Aug 7, 2026 Process States and the Transitions the Kernel Actually Tracks Why the kernel keeps a bitmask rather than a state enum, how runnable differs from running, and what the letter printed by ps leaves out. operating systems
- May 5, 2026 Run Queues and the Cost of a Context Switch How the kernel tracks which threads can run, why each CPU keeps its own queue, and what a switch actually costs beyond saving and restoring registers. operating systems