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Monday, October 5 • 14:00 - 14:50
Measuring and Reducing Crosstalk Between Virtual Machines - Alexander Komarov, Intel

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There are several ways how a user mode application running in one virtual machine can greatly impact performance of other virtual machines running on the same system, even if they don't share execution cores, IO devices and memory ranges. In industrial and telco/NFV applications, it is a critical requirement that a virtual machine should not influence other virtual machines execution.
In this presentation Alexander will demonstrate different cross talk and priority inversion scenarios, mostly related to caching and bus effects. Alexander will show how to detect these conditions and how to fix them. Tools used in the presentation: quemu/KVM, Linux perf, msrtools, PCM.
Speakers
avatar for Alexander Komarov

Alexander Komarov

Application Engineer, Intel
Alexander works as a software engineer at Intel since 2002. During this time he contributed to different open source projects: Intel device drivers for Linux and FreeBSD, RTbench, bits of Yocto for Intel Galileo and Edison boards, libmraa, libUPM. Since 2005 Alexander works mostly... Read More →

linuxcon 2015 crosstalk komarov pdf
Monday October 5, 2015 14:00 - 14:50 IST
Wicklow Meeting 3
  LinuxCon, Intermediate

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