Linked by Thom Holwerda on Tue 10th Jul 2007 21:57 UTC, submitted by maverick
The Linux kernel process scheduler, as you know it, has been completely ripped out and replaced with a completely new one called Completely Fair Scheduler. How fair it will be, remains to be seen. Here's what its original creator Ingo Molnar says: "80% Of CFS's design can be summed up in a single sentence: CFS basically models an 'ideal, precise multi-tasking CPU' on real hardware." Learn more about the new scheduler from the CFS design document.
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Member since:
2007-07-11
Sorry, but this "People will debate back and forth the technical merits of CFS (by Ingo Molnar) and SD (by Con Kolivas) but the reality is that both solutions are good but only SD is very well tested and refined. CFS is still new and raw." I think overall CFS got a lot more testing. You have to keep in mind that the people who tested SD were primarily the people who already used the -ck patchset. Which means the more desktop oriented people. If you followed LKML carefully during the whole debate, it was clear that SD was better for desktop usage (at first), but over time Ingo addressed nearly all (if not all) reported problems. Meanwhile, there were many from whom CFS was clearly better..
Anyway.. there is nothing we can do about it right now.
CFS is in the kernel. The best we can do is to carefully test it and report all problems to Ingo. He is a really nice guy, who is eager to fix all issues and make CFS the best scheduler possible. Just sitting around and feeling grumpy that SD didn't make it doesn't help at all.
A