eBPF & Kernel Dataplane Debugging

All technical articles related to eBPF & Kernel Dataplane Debugging.

• Intended Attach Graph vs the Programs Actually Live

  11 Jul, 2026

  Technical deep dive into Intended Attach Graph vs the Programs Actually Live

• Microbursts, NAPI Budget, and Fast-Path Tradeoffs

  11 Jul, 2026

  Technical deep dive into Microbursts, NAPI Budget, and Fast-Path Tradeoffs

• Safe devmap Target Swaps Without Transient Blackholes

  25 Jun, 2026

  Technical deep dive into Safe devmap Target Swaps Without Transient Blackholes

• Expiring set elements caused the intermittent deny

  22 Jun, 2026

  Technical deep dive into Expiring set elements caused the intermittent deny

• Kubernetes DNAT with nft backend gone sideways

  29 May, 2026

  Technical deep dive into Kubernetes DNAT with nft backend gone sideways

• Why tcpdump in the Pod Sees Nothing

  24 May, 2026

  Technical deep dive into Why tcpdump in the Pod Sees Nothing

• AI summaries versus deterministic packet walks

  23 May, 2026

  Technical deep dive into AI summaries versus deterministic packet walks

• Hairpin NAT on a Linux bridge

  17 May, 2026

  Technical deep dive into Hairpin NAT on a Linux bridge

• The Evidence Bundle That Proves the Real Hook

  15 May, 2026

  Technical deep dive into The Evidence Bundle That Proves the Real Hook

• Kernel stage timing versus application p99

  9 May, 2026

  Technical deep dive into Kernel stage timing versus application p99

• Do recurring incidents need a bpftrace workbench

  4 May, 2026

  Technical deep dive into Do recurring incidents need a bpftrace workbench

• Replacing the Wrong Pinned Program During a Fast-Path Rollout

  1 May, 2026

  Technical deep dive into Replacing the Wrong Pinned Program During a Fast-Path Rollout

• Hook priorities that silently reorder your firewall

  19 Apr, 2026

  Technical deep dive into Hook priorities that silently reorder your firewall

• Walking a SYN through every stall point

  14 Apr, 2026

  Technical deep dive into Walking a SYN through every stall point

• A minimal loss forensics kit in bpftrace

  13 Apr, 2026

  Technical deep dive into A minimal loss forensics kit in bpftrace

• Walking one TCP segment to the real delay

  13 Apr, 2026

  Technical deep dive into Walking one TCP segment to the real delay