Xenalyze: Finding meaning in the chaos
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The Xen has a tracing infrastructure that can collect a large amount of very detailed data about what's happening at the hypervisor layer. But making sense out of that data isn't an easy thing to do. In this talk I give an overview of xenalyze, a powerful tool I've developed for finding meaning in the vast amounts of data generated by xentrace, enabling both debugging and performance analysis.
![Xenalyze Finding meaning in the chaos George Dunlap [email_address] Citrix Systems, UK Ltd](https://image.slidesharecdn.com/5xsasia11gdunlapxenalyze-111103192933-phpapp02/85/Xenalyze-Finding-meaning-in-the-chaos-1-320.jpg)
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Xenalyze: Finding meaning in the chaos
- 1. Xenalyze Finding meaning in the chaos George Dunlap [email_address] Citrix Systems, UK Ltd
- 9. Example output, dump mode Xen Summit AMD 2010
- 10. Example output, Summary mode Xen Summit AMD 2010
- 11. Example output, Interval Xen Summit AMD 2010
- 12. Example output, Scatterplot Xen Summit AMD 2010
- 15. Case study: WinXP and TPR Xen Summit AMD 2010
- 16. Case study: WinXP and TPR, cont Xen Summit AMD 2010
- 17. Case study: Shadow Performance Xen Summit AMD 2010
- 18. Case study: Shadow perf, con’t Xen Summit AMD 2010 Out-of-sync Sync OS action Fix-up fault (TLB miss) Access Emulate Real PTE Emulate Transition PTE Propagate Propagate Page fault
- 19. Case study: Shadow perf, con’t Xen Summit AMD 2010 Out-of-sync Sync OS action Emulate Unmap PTE Fix-up fault (TLB miss) Access Emulate Map PTE