[OS] CPU Scheduling
ยท
๐Ÿพ OS
๐Ÿ–ฅ๏ธ CPU Scheduling ์‹œ์Šคํ…œ์˜ CPU ์‚ฌ์šฉ ํšจ์œจ์„ ๊ทน๋Œ€ํ™”ํ•˜๊ธฐ ์œ„ํ•ด ๋‹ค์ค‘ ํ”„๋กœ๊ทธ๋ž˜๋ฐ๊ณผ ๋ฉ€ํ‹ฐํƒœ์Šคํ‚น ๊ธฐ์ˆ ์„ ์‚ฌ์šฉํ•˜๋Š” ๊ฒƒ Resources (CPUํฌํ•จ)๋Š” process๋“ค ์‚ฌ์ด์—์„œ ๊ณต์œ ๋œ๋‹ค. ๐Ÿ–ฅ๏ธ CPU-IO Burst Cycle ํ”„๋กœ์„ธ์Šค๊ฐ€ ์‹คํ–‰๋˜๋Š” ๋™์•ˆ CPU ์‚ฌ์šฉ(bursts)๊ณผ ์ž…์ถœ๋ ฅ(I/O) ๋Œ€๊ธฐ ์‹œ๊ฐ„ ์‚ฌ์ด๋ฅผ ๋ฒˆ๊ฐˆ์•„ ๊ฐ€๋ฉฐ ๋ฐ˜๋ณตํ•˜๋Š” ํ˜„์ƒ Types of processes I/O bound process ์ž…๋ ฅ(input)๊ณผ ์ถœ๋ ฅ(output) ์ž‘์—…์— ๋” ๋งŽ์€ ์‹œ๊ฐ„์„ ์†Œ๋น„ํ•˜๋Š” ํ”„๋กœ์„ธ์Šค CPU-bound process ๊ณ„์‚ฐ์ด๋‚˜ ์ฒ˜๋ฆฌ ๊ณผ์ •์—์„œ ๋Œ€๋ถ€๋ถ„์˜ ์‹œ๊ฐ„์„ ์†Œ๋น„ํ•˜๋Š” ํ”„๋กœ์„ธ์Šค ๐Ÿ–ฅ๏ธ CPU Scheduler CPU Scheduler๋Š” ready queue์—์„œ process๋ฅผ ์„ ํƒํ•˜๊ณ , CPU core๋ฅผ ..