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4.5. Driver function unit test

• 4.5.1. Overview
  • 4.5.1.1. Test Program Storage Path
  • 4.5.1.2. Test Environment Preparation
  • 4.5.1.3. Test Execution Method
  • 4.5.1.4. Test Objectives and Standards
• 4.5.2. AutoTest Usage Guide
  • 4.5.2.1. AutoTest Directory Structure
  • 4.5.2.2. config.ini Configuration File Description
    • Configuration File Structure
    • Configuration File Example
    • Usage Instructions
  • 4.5.2.3. Starting Tests with startup.sh
  • 4.5.2.4. Viewing Test Logs
    • Modifying Log Storage Path
  • 4.5.2.5. Adding New Test Items
    • Write the Test Script
    • Configure the config.ini File
    • Start the Test
    • Verify the Test Item
• 4.5.3. CPU-BPU-DDR Stress Test
  • 4.5.3.1. Test Principle
  • 4.5.3.2. Preparations
  • 4.5.3.3. Test Method
  • 4.5.3.4. Test Metrics
    • Test Results
• 4.5.4. eMMC Stress Test
  • 4.5.4.1. Test Principle
    • Test Content
      • eMMC Stability Stress Test
      • eMMC Performance Test
  • 4.5.4.2. Preparation
  • 4.5.4.3. Test Method
    • eMMC Stability Test:
    • eMMC Performance Test:
  • 4.5.4.4. Test Metrics
    • eMMC Stability Test
    • eMMC Stability Test Results
    • eMMC Performance Test
    • eMMC Performance Test Results
• 4.5.5. QSPI NAND Flash Stress Test
  • 4.5.5.1. Test Principle
    • Test Content
  • 4.5.5.2. Preparation
  • 4.5.5.3. Test Method
  • 4.5.5.4. Test Metrics
    • QSPI NAND Flash Test Results
• 4.5.6. UART Stress Test
  • 4.5.6.1. Test Principle
    • Test Content
  • 4.5.6.2. Preparation
    • Instructions for Using the Stress Test Script
    • Instructions for Running the Test Program
    • Notes
  • 4.5.6.3. Test Metrics
    • UART Stress Test Results
• 4.5.7. SPI Stress Test
  • 4.5.7.1. Test Principle
    • Test Content
  • 4.5.7.2. Preparation
    • Stress Test Script User Manual
    • spistress.sh
    • spidev_tc
    • Precautions
  • 4.5.7.3. Test Method
  • 4.5.7.4. Test Metrics
    • SPI Stress Test Results
• 4.5.8. Wi-Fi Performance Testing
  • 4.5.8.1. Test Preparation
  • 4.5.8.2. Test Method
    • Step 1: Start the Server
    • Step 2: Start the Client
  • 4.5.8.3. Test Results
  • 4.5.8.4. Performance Standards
• 4.5.9. Ethernet Performance Testing
  • 4.5.9.1. Throughput Testing
    • Test Principle
    • Preparations
    • Example Configuration
    • Test Method
      • Step 1: Start the Server
      • Step 2: Start the Client
    • Test Criteria
      • Test Results
  • 4.5.9.2. MTU Performance Testing
    • Test Principle
    • Preparations
    • Test Method
      • Step 1: Start the Server
      • Step 2: Start the Client
    • Test Criteria
      • Configuration Check
      • Target MTU Comparison
  • 4.5.9.3. Common Issues
    • 1. Why can’t the iperf3 client connect to the server?
    • 2. Why is the measured bandwidth lower than expected?
    • 3. Why is there high packet loss during testing?
    • 4. How to resolve the “Address already in use” error when running iperf3?
    • 5. Why do MBytes and Bitrate look the same across MTU test tiers?
    • 6. Why is MTU 9000 not tested?
• 4.5.10. CPU Performance Test
  • 4.5.10.1. Test Principles
  • 4.5.10.2. Test Preparation
  • 4.5.10.3. Test Method
  • 4.5.10.4. Test Metrics
    • Scoring Standards
    • Understanding the Scoring Standards
  • 4.5.10.5. Common Issues
• 4.5.11. DDR Bandwidth Test
  • 4.5.11.1. Test Principle
  • 4.5.11.2. Preparation
  • 4.5.11.3. Test Method
  • 4.5.11.4. Test Metrics
    • Scoring Criteria
    • Test Result
• 4.5.12. USB Bus Speed Test
  • 4.5.12.1. Test Principle
    • Test Content
      • Explanation of dd Command Principle
      • Explanation of USB Virtual Network Interface Principle
  • 4.5.12.2. Preparation
    • USB Drive Read/Write Preparation Method
  • 4.5.12.3. Test Method
  • 4.5.12.4. Preparation
    • USB Virtual Network Interface Preparation Method
  • 4.5.12.5. Test Method
  • 4.5.12.6. Test Metrics
    • Common Influencing Factors
    • Test Results
• 4.5.13. 2D GPU Performance Test
  • 4.5.13.1. Test Principle
  • 4.5.13.2. Test Preparation
  • 4.5.13.3. Test Method
  • 4.5.13.4. Test Metrics
  • 4.5.13.5. Common Issues
• 4.5.14. 3D GPU Performance Test
  • 4.5.14.1. Test Principles
  • 4.5.14.2. Test Preparation
  • 4.5.14.3. Test Methods
    • Rendering Performance Test Method
    • Computing Performance Test Method
  • 4.5.14.4. Test Metrics
    • Rendering Performance Metrics
      • General Rendering Tests
      • Complex Computation Tests
      • Computational Tests
    • Computing Performance Metrics
      • Memory Bandwidth (GBPS)
      • Single-Precision Compute Performance (GFLOPS)
      • Half-Precision Compute Performance (GFLOPS)
      • Integer Compute Performance (GIOPS)
      • Transfer Bandwidth (GBPS)
      • Kernel Launch Latency
  • 4.5.14.5. Common Issues
• 4.5.15. GPIO IRQ Test
  • 4.5.15.1. Test Principle
  • 4.5.15.2. Test Preparation
  • 4.5.15.3. Test Method
    • Load the Driver
    • Test with the Driver
  • 4.5.15.4. Test Metrics
  • 4.5.15.5. Test Results
• 4.5.16. Bluetooth Performance Testing
  • 4.5.16.1. Test Preparation
  • 4.5.16.2. Test Method
    • Step 1: Start the Server
    • Step 2: Start the Client
  • 4.5.16.3. Test Results
  • 4.5.16.4. Performance Standards
  • 4.5.16.5. Common Issues
    • 1. Connection disconnects after executing bt-network
• 4.5.17. ADC Test
  • 4.5.17.1. Test Principle
  • 4.5.17.2. Preparation
    • Script Usage
    • Parameter Description
    • Notes
  • 4.5.17.3. Test Steps
    • Single Sampling Test
    • Continuous Sampling Test
  • 4.5.17.4. Test Criteria
    • Output Information
    • Result Assessment
• 4.5.18. Watchdog Test
  • 4.5.18.1. Test Principle
  • 4.5.18.2. Preparation
    • Script Usage
  • 4.5.18.3. Test Steps
    • Check Default Timeout
    • Check Feeding Source
    • Check Remaining Timeout
    • Feed Test
    • Disable Watchdog
  • 4.5.18.4. Test Metrics
• 4.5.19. RTC Test
  • 4.5.19.1. Test Principle
  • 4.5.19.2. Preparation
    • Driver Verification
    • Script Path
    • Script Usage
  • 4.5.19.3. Test Steps
    • View RTC Information
    • Read RTC Time
    • Set System Time
    • Set RTC Time
    • RTC Alarm Test
  • 4.5.19.4. Test Criteria