'Bound processes' diaporamas de présentation

Chapter 4 Processes

Chapter 4 Processes. Outline. Process Concept Process Scheduling Operations on Processes Cooperating Processes Interprocess Communication Communication in Client-Server Systems. Process Concept (1). Process ( job ): a program in execution (informally). the unit of work in most systems

866 views • 74 slides

Scheduling: Chapter 3

Scheduling: Chapter 3. Process: Entity competing for resources Process states: New, running, waiting, ready, terminated, zombie (and perhaps more). See also Fig. 3.2 on page 87. 7. terminated. Zombie. 6. waiting. Running. 4. 3. 5. 2. 8. Ready. 1. Hold. Partial state diagram.

594 views • 51 slides

CPU Scheduling & Deadlock

CPU Scheduling & Deadlock. Operating Systems Lecture 4. Process Management. Concept of a Process Context-Change Process Life Cycle Process Creation Process Spawning. Process State Diagrams. Three State Model Ready Running Blocked Five State Model Ready Running Blocked

496 views • 43 slides

463 views • 35 slides

CPU Scheduling

CPU Scheduling. Chapter 5. CPU Scheduling. Scheduling the processor among all ready processes The goal is to achieve: High processor utilization High throughput number of processes completed per of unit time Low response time

676 views • 34 slides

Threads & Scheduling

Threads & Scheduling. What are threads? vs. processes Where does OS implement threads? User-level, kernel How does OS schedule threads?. Processes versus Threads. Process = Control + address space + resources fork() Thread = Control only PC, stack, registers pthread_create()

561 views • 33 slides

Advanced Operating Systems

Advanced Operating Systems. III. Scheduling. Prof. Muhammad Saeed. The part of the operating system that makes the choice of the process is called the scheduler , and the algorithm it uses is called the scheduling algorithm. The part of the operating

498 views • 32 slides

CPU Scheduling

CPU Scheduling. Chapter 6. Classification of Scheduling Activity. Long-term : which process to admit Medium-term : which process to swap in or out Short-term : which ready process to execute next. Long-Term Scheduling. Determines which programs are admitted to the system for processing

453 views • 26 slides

CPU Scheduling

CPU Scheduling. Gursharan Singh Tatla professorgstatla@gmail.com. CPU Scheduling. Scheduling refers to selecting a process, from many ready processes, that is to be next executed on CPU. In multiprogramming environment, multiple processes are kept in main memory.

309 views • 23 slides

Device Mgmt

Device Mgmt. Device Management Organization. Multiple layers Application Operating System Driver Controller Device Tradeoffs of layering Loss of efficiency Increased generalization and flexibility

183 views • 18 slides

Lecture 11 Uniprocessor Scheduling

Lecture 11 Uniprocessor Scheduling. Types of Scheduling. Long-term performed when new process is created Medium-term Swap-in, swap-out processes to/from main memory Short-term which ready process to execute next. Short-term Scheduling Criteria User-oriented. Response Time

240 views • 12 slides

CPU Scheduling ( Basic Concepts)

CPU Scheduling ( Basic Concepts). CPU scheduling Which process will get the CPU when it is available? This is decided by the O.S. and is called CPU scheduling. The part of the O.S. which performs scheduling is called Scheduler.

82 views • 7 slides