Hi Paolo, On Mon, Jun 14, 2021 at 4:51 AM Paolo Bonzini <pbonzini@xxxxxxxxxx> wrote: > > On 14/06/21 04:53, Jing Zhang wrote: > > + STATS_DESC_ICOUNTER_RONLY(VM, lpages), > > + STATS_DESC_ICOUNTER_RONLY(VM, nx_lpage_splits), > > STATS_DESC_ICOUNTER(VM, max_mmu_page_hash_collisions) > > I think we're now adding too many macros. > > max_mmu_page_hash_collisions is the only remaining instant counter that > is not read-only. In fact, in the statsfs prototype we made all instant > counters read-only. > > You could add a third type in addition to instant and cumulative, let's > call it "peak". This essentially corresponds to the "max" aggregation > function in the statsfs prototype. Then instant counters would be read > only, while cumulative and peak would be read-write. > > Paolo > Thanks for the suggestion. Will do that. Jing