diff options
Diffstat (limited to 'mm')
| -rw-r--r-- | mm/vmscan.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/mm/vmscan.c b/mm/vmscan.c index 3e5f33b78daf..8cc90bd8149d 100644 --- a/mm/vmscan.c +++ b/mm/vmscan.c @@ -918,6 +918,9 @@ struct reclaim_stat { unsigned nr_congested; unsigned nr_writeback; unsigned nr_immediate; + unsigned nr_activate; + unsigned nr_ref_keep; + unsigned nr_unmap_fail; }; /* @@ -939,6 +942,8 @@ static unsigned long shrink_page_list(struct list_head *page_list, unsigned nr_reclaimed = 0; unsigned nr_writeback = 0; unsigned nr_immediate = 0; + unsigned nr_ref_keep = 0; + unsigned nr_unmap_fail = 0; cond_resched(); @@ -1077,6 +1082,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, case PAGEREF_ACTIVATE: goto activate_locked; case PAGEREF_KEEP: + nr_ref_keep++; goto keep_locked; case PAGEREF_RECLAIM: case PAGEREF_RECLAIM_CLEAN: @@ -1114,6 +1120,7 @@ static unsigned long shrink_page_list(struct list_head *page_list, (ttu_flags | TTU_BATCH_FLUSH | TTU_LZFREE) : (ttu_flags | TTU_BATCH_FLUSH))) { case SWAP_FAIL: + nr_unmap_fail++; goto activate_locked; case SWAP_AGAIN: goto keep_locked; @@ -1286,6 +1293,9 @@ keep: stat->nr_unqueued_dirty = nr_unqueued_dirty; stat->nr_writeback = nr_writeback; stat->nr_immediate = nr_immediate; + stat->nr_activate = pgactivate; + stat->nr_ref_keep = nr_ref_keep; + stat->nr_unmap_fail = nr_unmap_fail; } return nr_reclaimed; } @@ -1834,6 +1844,10 @@ shrink_inactive_list(unsigned long nr_to_scan, struct lruvec *lruvec, trace_mm_vmscan_lru_shrink_inactive(pgdat->node_id, nr_scanned, nr_reclaimed, + stat.nr_dirty, stat.nr_writeback, + stat.nr_congested, stat.nr_immediate, + stat.nr_activate, stat.nr_ref_keep, + stat.nr_unmap_fail, sc->priority, file); return nr_reclaimed; } |