Messages in this thread | | | From | Wanpeng Li <> | Date | Thu, 22 Jul 2021 13:55:06 +0800 | Subject | Re: [PATCH] KVM: Consider SMT idle status when halt polling |
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On Thu, 22 Jul 2021 at 12:07, Li RongQing <lirongqing@baidu.com> wrote: > > SMT siblings share caches and other hardware, halt polling > will degrade its sibling performance if its sibling is busy
Do you have any real scenario benefits? As the polling nature, some cloud providers will configure to their preferred balance of cpu usage and performance, and other cloud providers for their NFV scenarios which are more sensitive to latency are vCPU and pCPU 1:1 pin,you destroy these setups.
Wanpeng
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