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CSR1000v LAPIC/TSC Problem

Ellad Yatsko
Beginner
Beginner

Hello!

 

We have CSR1000v in production under KVM from one of our Hosters.

All began with Speed Issues with uplinks (Big Jitter, Latencies etc.) After a week of troubleshooting we diagnosed CSR had 100% CPU-usage on three of eight its COREs. Further troubleshooting revealed problems with "LAPIC-timer in TSC-deadline mode what consumes a lot of CPU cycles" - this is from conversation with our Hoster.

 

Are there any ways to reduce this CSR1000v's activity? We created EMPTY CSR 16.06.05 (with no config) with the very same problems. Are there some commands (something like platform qfp...) which could correct this behaviour?

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