~/talk

How to Profile When perf Doesn't See Everything?

TalkinRussianat Saint HighLoad++ 2023 · 2023-06-26..06-27
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Shows how to get full-performance visibility for platforms that embed interpreters (VMs) when traditional tools fall short. Describes combining VM-specific profilers with system-level tools like perf and techniques to correlate and integrate their data so you can see both inside the VM and the surrounding process.

AI-written summary · about

  1. 0:00Introduction
  2. 1:11Profiling composite systems
  3. 7:57perf limitations
  4. 11:33Stack unwinding with DWARF
  5. 18:18DWARF and ORC issues
  6. 22:33Custom LuaJIT profiler
  7. 26:10SeaSprofi in Tarantool
  8. 29:06Summary
  9. 30:11Q&A
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