RTOs Task Scheduling Models

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Presentation transcript:

RTOs Task Scheduling Models Mrs.V.S.Kulkarni, vvm_mahajan@yahoo.co.in Assistant Professor, Department of Electronics &Telecommunication Engg. Walchand Institute of Technology, Solapur www.witsolapur.org This work is licensed under a Creative Commons Attribution 4.0 International License.

RTOs Task Scheduling Models a.Cooperative Round robin Scheduling using Circular queue of ready tasks b. Cooperative Scheduling of ready Tasks using an Ordered List as per precedence Constraints c. Cyclic Scheduling with Time Slicing (RMA) d. Preemptive Scheduling e. Critical section service by Preemptive scheduler f. Fixed Real Time scheduling g. Precedence assignment in Scheduling algorithm Task scheduling

Cooperative Round robin Scheduling using Circular queue of ready tasks https://www.cs.rutgers.edu/~pxk/416/notes/07-scheduling.html Task scheduling

Preemptive Scheduling https://www.google.co.in/search?biw=1366&bih=613&tbm=isch&sa=1&ei=E7wBWretB8HUvgTBipOYAQ&q=preemptive+scheduling&oq=preemptive+scheduling&gs_l=psy-ab.3..0l4j0i7i30k1l6.401565.407187.0.408696.21.15.0.0.0.0.351.3520.0j2j1j9.12.0....0...1.1.64.psy-ab..9.12.3519...0i13k1j0i67k1j0i7i5i30k1.0.EJHcpa-Uflo#imgrc=CN34Oyk1wrkaaM: Task scheduling

Precedence assignment in Scheduling algorithm https://www.google.co.in/search?q=EDF+scheduling&tbm=isch&tbs=rimg:CZfXKC6asiUkIjhc_1H0y-_13AqV073CeNL8ANS8e8IPRo60WGVNSmaY0iB7OffbcFJ-loT9gRStoLfIZoB8TmrQnuMyoSCVz8fTL7_1cCpEWDrwckUGqocKhIJXTvcJ40vwA0RRfB1AiPgVTUqEglLx7wg9GjrRRG5S95pTc_1O6CoSCYZU1KZpjSIHEVrCmr_1lz23YKhIJs599twUn6WgRA89V8-kCPhoqEglP2BFK2gt8hhGgco-OwvOqtSoSCWgHxOatCe4zEaByj47C86q1&tbo=u&sa=X&ved=0ahUKEwjmuNaJ06zXAhULaI8KHcjHBuoQ9C8IHw&biw=1366&bih=613&dpr=1#imgrc=Yvgic3Q_L9EaZM: Task scheduling