Linux As a Real-Time Operating System

Edition The biggest obstacle to Linux as a real-time system is that … Although Linux is not a system in real time, it has some features, enhanced security ….

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Linux As a Real-Time Operating System
Table of Contents

  • 1. Executive Summary…3
  • 2. Linux Overview …3
  • 2.1 Real-Time Features of Linux
  • Scheduling …4
  • 2.2 Virtual Memory …4
  • 2.3 Shared Memory …4
  • 2.4 High Resolution POSIX Timers (HRT) ..4
  • 2.5 Real-Time Signals …4
  • 2.6 POSIX Asynchronous I/O …5
  • 2.7 POSIX Threads …5
  • 2.8 Quality of Service …5
  • 2.8.1 Network Subsystem Overview …5
  • 2.8.2 Traffic Control Overview…6
  • 3. Low-Latency Patches for Linux …7
  • 3.1 Kernel Latency …7
  • 3.2 Open Source Solutions …8
  • 3.2.1 Low-Latency Linux …8
  • 3.2.2 Preemptable Linux …8
  • 3.3 Evaluation …8
  • 3.3.1 Performance Comparison …8
  • 3.3.2 Implementation Comparison …13
  • 4. Summary …13
  • 5. Bibliography …13
  • 6. Appendix A…14
  • 7. Appendix B…15
  • 7.1 Preamble …15
  • 7.2 Applicability and Definitions …15
  • 7.3 Verbatim Copying …16
  • 7.4 Copying in Quantity …16
  • 7.5 Modifications …16
  • 7.6 Combining Documents …17
  • 7.7 Collections of Documents …17
  • 7.8 Aggregation with Independent Works 18
  • 7.9 Translation …18
  • 7.10 Termination …18
  • 7.11 Future Revisions of This License …18
  • 7.12 How to Use This License for Your Documents …18

 

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