On Mon, May 13, 2019 at 05:20:37PM +0800, Wanpeng Li wrote: > On Wed, 8 May 2019 at 02:57, Marcelo Tosatti <mtosatti@xxxxxxxxxx> wrote: > > > > > > Certain workloads perform poorly on KVM compared to baremetal > > due to baremetal's ability to perform mwait on NEED_RESCHED > > bit of task flags (therefore skipping the IPI). > > KVM supports expose mwait to the guest, if it can solve this? > > Regards, > Wanpeng Li Unfortunately mwait in guest is not feasible (uncompatible with multiple guests). Checking whether a paravirt solution is possible.
