Computer Science 322 Operating Systems Mount Holyoke College Spring 2008

Agenda

• Announcements
  • If you didn't already have it, you should now have card access to Clapp 202.
  • I'm working on a backup system for the cluster, but for now, I recommend making sure that you have any important files replicated elsewhere (like your Linux/babyred account).
• Lecture assignment recap
• CPU Scheduling
  • SJF/SRTF
  • Priority
  • RR
  • Multilevel feedback queues
  • Fair-share and Lottery scheduling
• Discrete Event Simulation and Lab 2
  • groups must be formed by Monday
  • questions and answers

Lecture Assignment

Summarize in a few paragraphs the key points about the Linux 2.6 scheduler as described in the Krohn article and the lottery scheduler described by Petrou, et al. (both linked below). This lecture assignment is more work than previous ones and will be weighted accordingly.

• Petrou, et al., 1999
• Krohn, 2003

Please also read the remainder of Chapter 5 in SG&G.