On 2024/11/22 06:32, Barry Song wrote: > On Fri, Nov 22, 2024 at 5:28 AM Wenchao Hao <haowenchao22@xxxxxxxxx> wrote: >> >> Now large folio swap-in is supported, but we do not have a method >> to analyze the success ratio of large folio swap-ins. Similar to >> anon_fault_fallback, we add a per-order mTHP swpin_fallback to help >> calculate the success ratio. The new counter is located at: >> >> /sys/kernel/mm/transparent_hugepage/hugepages-<size>/stats/swpin_fallback > > Well, this could be useful for profiling, but why not also add > MTHP_STAT_SWPIN_FALLBACK_CHARGE ? > Hi, since my current testing scenario does not involve MTHP_STAT_SWPIN_FALLBACK_CHARGE, I will soon resend a V2 version to add it. Thanks.
