diff --git a/eden/mononoke/newfilenodes/src/reader.rs b/eden/mononoke/newfilenodes/src/reader.rs
index ac53fae2e4..e1c140ed9f 100644
--- a/eden/mononoke/newfilenodes/src/reader.rs
+++ b/eden/mononoke/newfilenodes/src/reader.rs
@@ -39,7 +39,9 @@ define_stats! {
     prefix = "mononoke.filenodes";
     gets: timeseries(Sum),
     gets_master: timeseries(Sum),
+    gets_disabled: timeseries(Sum),
     range_gets: timeseries(Sum),
+    range_gets_disabled: timeseries(Sum),
     path_gets: timeseries(Sum),
     get_local_cache_misses: timeseries(Sum),
     range_local_cache_misses: timeseries(Sum),
@@ -336,6 +338,7 @@ async fn select_filenode_from_sql(
     recorder: &PerfCounterRecorder<'_>,
 ) -> Result<FilenodeResult<Option<CachedFilenode>>, ErrorKind> {
     if tunables().get_filenodes_disabled() {
+        STATS::gets_disabled.add_value(1);
         return Ok(FilenodeResult::Disabled);
     }
 
@@ -420,6 +423,7 @@ async fn select_history_from_sql(
     recorder: &PerfCounterRecorder<'_>,
 ) -> Result<FilenodeResult<CachedHistory>, Error> {
     if tunables().get_filenodes_disabled() {
+        STATS::range_gets_disabled.add_value(1);
         return Ok(FilenodeResult::Disabled);
     }
 
diff --git a/eden/mononoke/newfilenodes/src/writer.rs b/eden/mononoke/newfilenodes/src/writer.rs
index 592d9be0fe..ba8a668a9c 100644
--- a/eden/mononoke/newfilenodes/src/writer.rs
+++ b/eden/mononoke/newfilenodes/src/writer.rs
@@ -24,6 +24,7 @@ use futures::compat::Future01CompatExt;
 define_stats! {
     prefix = "mononoke.filenodes";
     adds: timeseries(Rate, Sum, Count),
+    adds_disabled: timeseries(Rate, Sum, Count),
 }
 
 #[derive(Debug, Eq, DeriveError, PartialEq)]
@@ -91,6 +92,7 @@ impl FilenodesWriter {
         replace: bool,
     ) -> Result<FilenodeResult<()>, Error> {
         if tunables().get_filenodes_disabled() {
+            STATS::adds_disabled.add_value(1);
             return Ok(FilenodeResult::Disabled);
         }