From 770d3d383c5845a3ca1d6043405e13b4d23a0525 Mon Sep 17 00:00:00 2001
From: sakridge <sakridge@gmail.com>
Date: Thu, 6 Aug 2020 21:39:10 -0700
Subject: [PATCH] Accounts hash calculation metrics (#11433)

---
 runtime/src/accounts_db.rs | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

diff --git a/runtime/src/accounts_db.rs b/runtime/src/accounts_db.rs
index 488ac4fac..16521b84d 100644
--- a/runtime/src/accounts_db.rs
+++ b/runtime/src/accounts_db.rs
@@ -1592,9 +1592,18 @@ impl AccountsDB {
         }
 
         scan.stop();
-        debug!("{}", scan);
+        let hash_total = hashes.len();
 
-        Ok(Self::accumulate_account_hashes(hashes))
+        let mut accumulate = Measure::start("accumulate");
+        let accumulated_hash = Self::accumulate_account_hashes(hashes);
+        accumulate.stop();
+        datapoint_info!(
+            "update_accounts_hash",
+            ("accounts_scan", scan.as_us(), i64),
+            ("hash_accumulate", accumulate.as_us(), i64),
+            ("hash_total", hash_total, i64),
+        );
+        Ok(accumulated_hash)
     }
 
     pub fn get_accounts_hash(&self, slot: Slot) -> Hash {