Linux 5.1 Will Make It Easier To Investigate Hyper-V Performance Issues
Written by Michael Larabel in Virtualization on 3 March 2019 at 12:05 AM EST. 1 Comment
VIRTUALIZATION --
For those of you making use of Microsoft's Hyper-V hypervisor, the Linux kernel side bits are ready to go with their feature changes for the imminent Linux 5.1 kernel cycle.

The main change to Hyper-V for Linux 5.1 is the exposing of per-channel interrupts and ring buffer full conditions. These guest-to-host interrupt performance counters are exposed via sysfs. These counters should help in investigating performance problems and optimizations around Hyper-V.

Hyper-V is also beginning to make use of the new generic UUID API.

Details on these Hyper-V changes via this pull request.
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Michael Larabel is the principal author of Phoronix.com and founded the site in 2004 with a focus on enriching the Linux hardware experience. Michael has written more than 20,000 articles covering the state of Linux hardware support, Linux performance, graphics drivers, and other topics. Michael is also the lead developer of the Phoronix Test Suite, Phoromatic, and OpenBenchmarking.org automated benchmarking software. He can be followed via Twitter or contacted via MichaelLarabel.com.

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