~hyman <hy...@git.sr.ht> writes: > From: Hyman Huang(黄勇) <yong.hu...@smartx.com> > > Introduce migration dirty-limit capability, which can > be turned on before live migration and limit dirty > page rate durty live migration. > > Introduce migrate_dirty_limit function to help check > if dirty-limit capability enabled during live migration. > > Meanwhile, refactor vcpu_dirty_rate_stat_collect > so that period can be configured instead of hardcoded. > > dirty-limit capability is kind of like auto-converge > but using dirty limit instead of traditional cpu-throttle > to throttle guest down. To enable this feature, turn on > the dirty-limit capability before live migration using > migrate-set-capabilities, and set the parameters > "x-vcpu-dirty-limit-period", "vcpu-dirty-limit" suitably > to speed up convergence. > > Signed-off-by: Hyman Huang(黄勇) <yong.hu...@smartx.com> > Acked-by: Peter Xu <pet...@redhat.com> > Reviewed-by: Markus Armbruster <arm...@redhat.com> > Reviewed-by: Juan Quintela <quint...@redhat.com>
Looks good now, thanks!
