Re: [libvirt] [PATCH 3/3] kvm-all: notice KVM of vcpu's TSC rate after migration

> [...] > > > Or maybe we shouldn't treat this as VM state, but as configuration, and > > > let management configure the TSC frequency explicitly if the user really > > > needs it to stay the same during migration. > > > > > > (CCing libvir-list to see if they have feedback) > > > > > > > Thanks for CC. I'll consider to add a command line option to control > > the configuration of guest TSC fequency. > > It already exists, -cpu has a "tsc-freq" option. > What I'm considering is to add a "-keep-tsc-freq" option to control whether the TSC frequency should be migrated if "tsc-freq" is not presented. Compared to "tsc-freq", "-keep-tsc-freq" can free users from figuring out the guest TSC frequency manually in the migration.