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Operating Systems




Operating Systems

Course Overview

Instructor

Fred Kuhns

Course Description

This course continues the exploration of computer operating systems by building on the material presented in CS422, Operating Systems Organization. In CS422 we focused on developing the basic abstractions and algorithms used for managing the concurrent use of local and remote resources. In this course we take a deeper look at these abstraction, mechanisms and policies and how thay affect the support for both on general purpose and real-time operating environments.
The course begins with an overview of standard operating system concepts: kernel structure, operating system functions, process/thread management, synchronization and I/O. This is followed with an overview of real-time systems and a discussion of the differences between hard and soft timing requirements. We then look at the impact this has on the policies and mechanisms used for processor scheduling, inter-process communication (IPC), scynchronization, time management and requirements for predictable behaviour.
Resource scheduling algorithms and implementations will be covered in detail. This includes CPU scheduling, I/O scheduling, inter-process communication models (message passing, remote procedure call and shared memory); process management models; synchronization techniques and models; resource allocation strategies and admission control. There are also case studies of general purpose, soft real-time and hard real-time systems.


Important Notes : - 




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Class #
Topic
Notes
1
Course Overview and Introduction
Lecture notes: PPTPDF
2
On Designing Systems, and Primary Abstractions (Process)
Lecture notes: PPTPDF
3
Multiprocessors, Threads and Light Weight Processes
Lecture notes: Multiprocessing Systems MP PPT,MP PDF.
Threads threads PPTthreads PDF
4
Threads and Synchronization
Lecture notes: PPTPDF
5
Synchronization and IPC
Background information: Concurrency and mechanisms PPTPDF,
Notes on UNIX IPC mechanisms PPTPDF
6
Finish the discussion of Monitors and Synchronization primitives.
See lecture notes from last thursday.
7
Discuss OS structure: Microkernels, Layered, Exokernel
Finish discussion of IPC mechanisms
Lecture notes: See UNIX IPC notes from last week.
8
Overview of IPC mechanisms and Processor Scheduling
Lecture notes: IPC notes from last week and Scheduling PPTPDF. We will move quickly through this material since it is mostly a review. If time permits we will begin talking about real-time systems.
9
Begin Real-Time Systems
Lecture Notes: PPTPDF and PPTPDF
10
Continue introduction to RT Systems
Lecture notes: See last thursday.
11
No Class.
NA
12
Clock-Driven Scheduling
Lecture notes: PPT
13
Continue Clock-Driven Scheduling of periodic tasks.
Lecture notes: See notes from 10/07
14
Finish up Clock-Driven Scheduling
Lecture notes: See notes from 10/07
15
Scheduling of Periodic Tasks: Priority-Driven
Lecture notes: PPT
16
Continue Scheduling of Periodic Tasks.



Lecture notes: see 10/16.
17
Finish Periodic tasks.
See 10/16
18
Scheduling of Aperiodic and Sporadic Tasks
Lecture notes: PPTPDF
19
Finish Scheduling of Aperiodic and Sporadic Tasks
see 10/28
20
Resource Access Control
Lecture notes: PPTPDF
21
Finish Resource Access Control and start memory management
Lecture notes: PPTPDF
22
Memory Management
Lecture notes: See last week
23
Memory Managagement: Virtual memory and kernel memory allocation if time permits.
Lecture notes for kernel memory allocation: PPT,PDF
24
Kernel memory allocation
See notes from 11/13
25
Distributed Threads
Venkita's Slides: PPT Lecture notes: PPTPDF
26
File System
Lecture notes: PPTPDF
--
No Class: Thanksgiving Holiday
27
File System Interface
Lecture notes: PPTPDF
28
Review


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