From da81bb838266f3159ae35c2b6a690f13aa0a28f9 Mon Sep 17 00:00:00 2001
From: "Jeff Washington (jwash)" <jeff.washington@anza.xyz>
Date: Thu, 29 Aug 2024 09:22:58 -0500
Subject: [PATCH] add clean metric for # slots cleaned (#2777)

---
 accounts-db/src/accounts_db.rs | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/accounts-db/src/accounts_db.rs b/accounts-db/src/accounts_db.rs
index 63c03ada543eef..0634ab6ba2a1da 100644
--- a/accounts-db/src/accounts_db.rs
+++ b/accounts-db/src/accounts_db.rs
@@ -1962,6 +1962,7 @@ struct CleanAccountsStats {
     clean_stored_dead_slots_us: AtomicU64,
     uncleaned_roots_slot_list_1: AtomicU64,
     get_account_sizes_us: AtomicU64,
+    slots_cleaned: AtomicU64,
 }
 
 impl CleanAccountsStats {
@@ -3603,6 +3604,13 @@ impl AccountsDb {
                     .swap(0, Ordering::Relaxed),
                 i64
             ),
+            (
+                "slots_cleaned",
+                self.clean_accounts_stats
+                    .slots_cleaned
+                    .swap(0, Ordering::Relaxed),
+                i64
+            ),
             (
                 "clean_old_root_us",
                 self.clean_accounts_stats
@@ -8020,6 +8028,10 @@ impl AccountsDb {
             assert!(reclaimed_offsets.contains_key(&expected_slot));
         }
 
+        self.clean_accounts_stats
+            .slots_cleaned
+            .fetch_add(reclaimed_offsets.len() as u64, Ordering::Relaxed);
+
         reclaimed_offsets.iter().for_each(|(slot, offsets)| {
             if let Some(store) = self
                 .storage