CPU schedulers

• Scheduling has been quiet for some time

• • Worst problems solved in early 2.6.x

• The issue has come back

• • Better interactive response wanted
  • Dump complex heuristics for simple fairness

• Three contenders

• • Staircase Deadline
  • Completely Fair Scheduler
  • Nicksched

• CFS looks to be the likely winner

• • ...but expect some debate first