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Go's .gopclntab Secret: Why eBPF Profilers Love Go, Hate Everything Else

Stripped Go binaries? Still 15% symbols via .gopclntab. eBPF profilers feast. C++? Hex purgatory.

Elena Vasquez 📅 Apr 03, 2026 ⏱️ 3 min read 👁️ 0 views
Flame graph from symbolized Go stack trace in OpenTelemetry eBPF profiler

⚡ Key Takeaways

  • Go's .gopclntab enables on-target symbolization in eBPF—no server hacks needed.
  • OpenTelemetry eBPF profiler shines on Go, struggles elsewhere without extras.
  • Strip your Go binaries confidently; profiling stays pristine.

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Elena Vasquez
Written by

Elena Vasquez

Senior editor and generalist covering the biggest stories with a sharp, skeptical eye.

#Go profiling #OpenTelemetry eBPF #flame graphs #symbolization

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Originally reported by Grafana Blog

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