Scheduling algorithms for modern disk drives
SIGMETRICS '94 Proceedings of the 1994 ACM SIGMETRICS conference on Measurement and modeling of computer systems
Using the SimOS machine simulator to study complex computer systems
ACM Transactions on Modeling and Computer Simulation (TOMACS)
Operating systems (2nd ed.): design and implementation
Operating systems (2nd ed.): design and implementation
An analytic behavior model for disk drives with readahead caches and request reordering
SIGMETRICS '98/PERFORMANCE '98 Proceedings of the 1998 ACM SIGMETRICS joint international conference on Measurement and modeling of computer systems
A new instructional operating system
SIGCSE '02 Proceedings of the 33rd SIGCSE technical symposium on Computer science education
Timing-Accurate Storage Emulation
FAST '02 Proceedings of the Conference on File and Storage Technologies
A Detailed Simulation Model of the HP 97560 Disk Drive
A Detailed Simulation Model of the HP 97560 Disk Drive
Running on the bare metal with GeekOS
Proceedings of the 35th SIGCSE technical symposium on Computer science education
Experiences teaching operating systems using virtual platforms and linux
Proceedings of the 36th SIGCSE technical symposium on Computer science education
VDE: an emulation environment for supporting computer networking courses
Proceedings of the 13th annual conference on Innovation and technology in computer science education
Emulation of object-based storage devices by a virtual machine
ICA3PP'10 Proceedings of the 10th international conference on Algorithms and Architectures for Parallel Processing - Volume Part II
A component-based end-to-end simulation of the Linux file system
Software and Systems Modeling (SoSyM)
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Operating system laboratory assignments based on bare hardware or detailed machine simulators can be excessively challenging for many students. In the most often used approach, students develop kernels on virtual machines with a much simplified hardware interface. Traditionally this simplification goes so far as to make realistic performance measurement impossible. We propose Vesper, an instructional disk drive simulator with a high degree of performance realism. Vesper retains simplicity while providing timing statistics close to that of real disk drives. The key to our approach is to provide hardware abstractions that are simple but yet capable of capturing device interactions with major performance impacts. Vesper laboratory assignments allow students to realistically explore the performance consequences of various system designs without the cumbersome aspects of the real hardware interface. This paper describes the design and implementation of the Vesper disk drive simulator. We evaluate the effectiveness of Vesper-based laboratory assignments in terms of operating system performance evaluation. Student experience and feedback are also reported.