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cpu-usage-measurement

Aliaksandr Lomau
September 17, 2015
Technology
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80

 cpu-usage-measurement

Lighthouse Meetups, Minsk, Sept, 2015

Aliaksandr Lomau

September 17, 2015
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Transcript

  1. CPU Usage Measurement

  2. What Metrics Do We Have 1.Instructions per second 2.Instructions per

    cycle 3.Performance per watt 4.FLOPS (floatting point per second)

  3. How Does Processor Work?

  4. How Does Processor Work? https://www.youtube.com/watch?v=cNN_tTXABUA

  5. “Scott CPU”

  6. “Scott CPU”

  7. “Scott CPU” Addresses Instructions Parameters

  8. “Scott CPU” Addresses Instructions Parameters

  9. Inside of “Scott CPU”

  10. Do You Want to See How CPU Works?

  11. Do you want to see it? http://visual6502.org/

  12. What Metrics Do We Have? 1.Instructions per second 2.Instructions per

    cycle 3.Performance per watt 4.FLOPS (floatting point per second)

  13. MIPS = (Processor clock speed * Num Instructions executed per

    cycle)/(10^6) Instructions Per Second https://en.wikipedia.org/wiki/Instructions_per_second CPU Benchmarking: https://en.wikipedia.org/wiki/SPECint - two metrics: base and peak

  14. Instructions Per Cycle https://en.wikipedia.org/wiki/Instructions_per_cycle

  15. Linux CPU Load http://blog.scoutapp.com/articles/2009/07/31/understanding-load-averages

  16. Linux CPU Load

  17. How to Load CPU?

  18. How to Load CPU? Fork Bomb :(){ :|:& };: http://www.cyberciti.biz/faq/understanding-bash-fork-bomb/

  19. http://www.brendangregg.com/ Brendan Gregg's Blog

  20. None
  21. None

  22. END