Server

Monitoring

Grafana

Troubleshooting

IO Issues

• Kworker, what is it and why is it hogging so much CPU?
• Perf tutorial -

   sudo perf record -g -a sleep 10

• Linux Performance Analysis: New Tools and Old Secrets

   ./tpoint -H block:block_rq_insert

• Linux 4.x Tracing: Performance Analysis with bcc/BPF (eBPF) - Brendan Gregg

Slow login issues

• Give me 15 minutes and I'll change your view of Linux tracing 14min

   execsnoop