On Wed, Oct 18, 2023 at 2:22 AM Huan Yang <link@xxxxxxxx> wrote: > > This patch add two reclaim stat: > nr_promote: nr_pages shrink before promote by folio_update_gen. > nr_demote: nr_pages NUMA demotion passed. The above isn't specific to MLGRU, so they should be in a separate patchset. > And then, use correct nr_scanned which evict_folios passed into > trace_mm_vmscan_lru_shrink_inactive. > > Mistake info like this: > ``` > kswapd0-89 [000] 64.887613: mm_vmscan_lru_shrink_inactive: > nid=0 nr_scanned=64 nr_reclaimed=0 nr_dirty=0 nr_writeback=0 > nr_congested=0 nr_immediate=0 nr_activate_anon=0 nr_activate_file=0 > nr_ref_keep=0 nr_unmap_fail=0 priority=4 > flags=RECLAIM_WB_FILE|RECLAIM_WB_ASYNC > ``` > Correct info like this: > ``` > <...>-9041 [006] 43.738481: mm_vmscan_lru_shrink_inactive: > nid=0 nr_scanned=13 nr_reclaimed=0 nr_dirty=0 nr_writeback=0 > nr_congested=0 nr_immediate=0 nr_activate_anon=9 nr_activate_file=0 > nr_ref_keep=0 nr_unmap_fail=0 nr_promote=4 nr_demote=0 priority=12 > flags=RECLAIM_WB_ANON|RECLAIM_WB_ASYNC > ``` Adding Jaewon & Kalesh to take a look.
