Troubleshooting

This chapter describes some of the many techniques used to troubleshoot and diagnose problem with FD.io VPP implementations.

• How to Report an Issue
  • Reporting Bugs
  • Data to include in bug reports
    • Image version and operating environment
    • “Show” command output
    • Network Topology
    • Packet Tracer Output
  • Capturing post-mortem data
    • Syslog Output
    • Binary API Trace
    • Core Files
  • Core files from Private Images
    • On-the-fly Core File Compression
    • Core File Summary
• CPU Load/Usage
  • Linux top/htop
  • VPP Memory Usage
  • VPP CPU Load
• Google Sanitizers
  • AddressSanitizer
• Memory leaks
  • Memory traces
  • libc memory traces