Project Goals

• Develop Kernel
• Support Real Time Tasks
  • Fault Tolerant Real Time Scheduler
  • Scheduler Detects Missed Deadlines
• Checkpoint Support (for non-real time tasks)
  • OS-level Checkpointing features similar to libckpt inside
  • Add OS support for checkpointable file stream operations or network operations

Plan (preliminary "timeline")

• Baseline OS
  • Start with FluxOS toolkit to build simple kernel
• Add Real Time Scheduler
  • simple scheduler first
  • add missed-deadline detection mechanism
  • add FT-RT Scheduler
• Checkpointing
  • add simple checkpointing facility
  • expand on checkpointer
  • add OS support to facilitate checkpointer
• Applications
  • Real Time
    • pseudo program (CPU busy loop)
    • keyboard, text output programs
    • periodically read system resource (keyboard, serial port, performance counter, etc.)
    • video program?
  • Non-Real Time
    • Any simple random program
    • Infinite precision math - Calculate PI w/persistent checkpoint
    • terminal? remote shell?

Division of Work

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