⏱️ RT Orbit

⏱️ Deadline

📊 Scheduler

🔒 Priority

⚡ WCET

⏱️ Real-Time Systems

Scheduling • WCET • Priority Inversion • RTOS • Hard/Soft Real-Time • Embedded

Master the science of time-critical computing — from schedulability analysis and worst-case execution time to real-time operating systems and mixed-criticality systems.

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Real-Time Systems Concepts & Techniques

Real-Time Systems Basics

Hard/soft real-time, deadlines, response time.

Real-Time Terminology

Jitter, latency, throughput, determinism.

Task Models

Periodic, sporadic, aperiodic tasks.

Rate Monotonic Scheduling

Fixed priority, sufficient condition, utilization.

Earliest Deadline First

Dynamic priority, optimality, schedulability.

Deadline Monotonic

Fixed priority, relative deadlines.

Response Time Analysis

Audsley, fixed priority, interference.

Mixed-Criticality Systems

Vestal, MC scheduling, certification.

Multiprocessor RT Scheduling

Global, partitioned, clustered, FIFO.

Worst-Case Execution Time

Static analysis, measurement, estimation.

WCET Tools & Methods

aiT, RapiTime, static vs dynamic.

Priority Inversion

Problem, unbounded, detection.

Synchronization

Priority Inheritance

Protocol, PIP, ceiling priority.

Synchronization

Priority Ceiling Protocol

PCP, ICP, deadlock avoidance.

Synchronization

RTOS Basics

Kernel, tasks, scheduling, IPC.

FreeRTOS

Tasks, queues, semaphores, timers.

RTOS IPC

Message queues, mailboxes, pipes.

Zephyr RTOS

Scalable, Bluetooth, IoT, MCU.

VxWorks & Commercial RTOS

Wind River, aerospace, automotive.

Real-Time Communication

CAN, Ethernet, TSN, AVB.

Time-Sensitive Networking

TSN, IEEE 802.1, deterministic.

Real-Time Kernel Design

Preemption, interrupts, context switch.

PREEMPT_RT Linux

Linux real-time, latency, configuration.

Timing Analysis

Schedulability, feasibility, simulation.

Model Checking for RT

Uppaal, timed automata, verification.

Embedded Hardware for RT

MCU, MPU, timers, interrupts.

FPGA for Real-Time

Hardware acceleration, predictable.

Automotive Real-Time

AUTOSAR, CAN, safety-critical.

Avionics & DO-178

ARINC 653, certification, safety.

Medical Real-Time

ISO 13485, IEC 62304, safety.

Industrial Real-Time

PLC, SCADA, EtherCAT, automation.

IEC 61508 & Functional Safety

SIL, safety lifecycle, certification.

ISO 26262 (Automotive)

ASIL, safety integrity levels.

Fault-Tolerant RT Systems

Redundancy, recovery, fail-safe.

Fault-Tolerance

Distributed Fault-Tolerance

Replication, consensus, Byzantine.

Fault-Tolerance

Real-Time Tools

Tracing, latency measurement, analysis.

Tracealyzer & Tracing

Visualization, Percepio, timing.

⏱️ Real-Time Systems Mastery Roadmap

🔰 Foundation

RT basics, task models, terminology

📶 Core

RM, EDF, WCET, priority inversion, FreeRTOS

🔥 Deep Dive

Mixed-criticality, RTA, multiprocessor, TSN

🏆 Frontier

Distributed RT, formal verification, safety standards

⏱️ Meet Deadlines, Build Reliable Systems — Master Real-Time

From schedulability analysis to safety-critical systems, learn to build predictable, responsive systems.

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