diff options
Diffstat (limited to 'src/evict/evict_page.c')
| -rw-r--r-- | src/evict/evict_page.c | 29 |
1 files changed, 23 insertions, 6 deletions
diff --git a/src/evict/evict_page.c b/src/evict/evict_page.c index 80aba818153..01818f106fc 100644 --- a/src/evict/evict_page.c +++ b/src/evict/evict_page.c @@ -55,10 +55,12 @@ __wt_page_release_evict(WT_SESSION_IMPL *session, WT_REF *ref) WT_BTREE *btree; WT_DECL_RET; WT_PAGE *page; + struct timespec start, stop; bool locked, too_big; btree = S2BT(session); page = ref->page; + __wt_epoch(session, &start); /* * Take some care with order of operations: if we release the hazard @@ -75,19 +77,34 @@ __wt_page_release_evict(WT_SESSION_IMPL *session, WT_REF *ref) (void)__wt_atomic_addv32(&btree->evict_busy, 1); too_big = page->memory_footprint >= btree->splitmempage; - if ((ret = __wt_evict(session, ref, false)) == 0) { - if (too_big) + + /* + * Track how long the call to evict took. If eviction is successful then + * we have one of two pairs of stats to increment. + */ + ret = __wt_evict(session, ref, false); + __wt_epoch(session, &stop); + if (ret == 0) { + if (too_big) { WT_STAT_CONN_INCR(session, cache_eviction_force); - else + WT_STAT_CONN_INCRV(session, cache_eviction_force_time, + WT_TIMEDIFF_US(stop, start)); + } else { /* * If the page isn't too big, we are evicting it because * it had a chain of deleted entries that make traversal * expensive. */ - WT_STAT_CONN_INCR( - session, cache_eviction_force_delete); - } else + WT_STAT_CONN_INCR(session, cache_eviction_force_delete); + WT_STAT_CONN_INCRV(session, + cache_eviction_force_delete_time, + WT_TIMEDIFF_US(stop, start)); + } + } else { WT_STAT_CONN_INCR(session, cache_eviction_force_fail); + WT_STAT_CONN_INCRV(session, cache_eviction_force_fail_time, + WT_TIMEDIFF_US(stop, start)); + } (void)__wt_atomic_subv32(&btree->evict_busy, 1); |