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Linux: The Original Process Scheduler

Aug 16, 2007, 18:00 (0 Talkback[s])

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"In a June of 1992 posting to the linux-activists mailing list, Linus Torvalds described the original Linux scheduler noting, 'the scheduler in linux is pretty simple, but does a reasonably good job at giving good IO response while not being too unfair against cpu-bound processes.' A year later, Linus posted a more detailed description of the scheduler noting, 'the linux scheduling algorithm is one of the simplest ones possible.' Comments in the original 254 line sched.c file read, ''schedule()' is the scheduler function. This is GOOD CODE! There probably won't be any reason to change this, as it should work well in all circumstances (ie gives IO-bound processes good response etc). The one thing you might take a look at is the signal-handler code here...'"

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