Measuring and Summarizing Latencies Using the Trace Event Subsystem

Measuring and Summarizing Latencies Using the Trace Event Subsystem

Linux Foundation via YouTube Direct link

Intro

1 of 18

1 of 18

Intro

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Measuring and Summarizing Latencies Using the Trace Event Subsystem

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  1. 1 Intro
  2. 2 Trace Events Background (cont'd)
  3. 3 Latency is a derived quantity
  4. 4 Latency (cont'd)
  5. 5 We have a latency value, now what?
  6. 6 Handlers and Actions (onmax and save)
  7. 7 onmax and save output
  8. 8 Chaining handlers (add snapshot())
  9. 9 onmax and save and snapshot output
  10. 10 What about a latency histogram?
  11. 11 onmatch synth and save/snap output
  12. 12 Object latencies (using delete())
  13. 13 Object latencies, part 2
  14. 14 Function Event Magic
  15. 15 Function Event Latency
  16. 16 Generate latency hist for any 2 events
  17. 17 General purpose latency script output
  18. 18 Questions?

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