diff --git a/src/backend/catalog/system_views.sql b/src/backend/catalog/system_views.sql
index 97c23c9..2bc3e3a 100644
--- a/src/backend/catalog/system_views.sql
+++ b/src/backend/catalog/system_views.sql
@@ -713,6 +713,7 @@ CREATE VIEW pg_stat_bgwriter AS
         pg_stat_get_buf_fsync_backend() AS buffers_backend_fsync,
         pg_stat_get_buf_alloc() AS buffers_alloc,
         pg_stat_get_buf_clocksweep_backend() AS buffers_backend_clocksweep,
+        pg_stat_get_buf_touched_freelist() AS buffers_touched_freelist,
         pg_stat_get_bgwriter_stat_reset_time() AS stats_reset;
 
 CREATE VIEW pg_user_mappings AS
diff --git a/src/backend/postmaster/pgstat.c b/src/backend/postmaster/pgstat.c
index 7475e5a..6493f19 100644
--- a/src/backend/postmaster/pgstat.c
+++ b/src/backend/postmaster/pgstat.c
@@ -5022,6 +5022,7 @@ pgstat_recv_bgwriter(PgStat_MsgBgWriter *msg, int len)
 	globalStats.buf_fsync_backend += msg->m_buf_fsync_backend;
 	globalStats.buf_alloc += msg->m_buf_alloc;
 	globalStats.buf_backend_clocksweep += msg->m_buf_backend_clocksweep;
+	globalStats.buf_touched_freelist += msg->m_buf_touched_freelist;
 }
 
 /* ----------
diff --git a/src/backend/storage/buffer/freelist.c b/src/backend/storage/buffer/freelist.c
index e1d8445..fc21865 100644
--- a/src/backend/storage/buffer/freelist.c
+++ b/src/backend/storage/buffer/freelist.c
@@ -15,6 +15,7 @@
  */
 #include "postgres.h"
 
+#include "pgstat.h"
 #include "storage/buf_internals.h"
 #include "storage/bufmgr.h"
 
@@ -49,6 +50,8 @@ typedef struct
 	/* Buffers not statistied from freelist since last reset */
 	uint32		numBufferBackendClocksweep;
 
+	uint32		numBufferTouchedFreelist;
+
 	/*
 	 * protects freelist and related variables (firstFreeBuffer,
 	 * lastFreeBuffer, numBufferAllocs, numBufferBackendClocksweep,
@@ -344,6 +347,9 @@ StrategyGetFreelistAccessInfo(uint32 *num_buf_to_free, uint32 *num_buf_alloc,
 	*num_buf_backend_clocksweep = StrategyControl->numBufferBackendClocksweep;
 	StrategyControl->numBufferBackendClocksweep = 0;
 
+	BgWriterStats.m_buf_touched_freelist = StrategyControl->numBufferTouchedFreelist;
+	StrategyControl->numBufferTouchedFreelist = 0;
+
 	SpinLockRelease(&StrategyControl->freelist_lck);
 
 	return;
@@ -476,6 +482,7 @@ StrategyInitialize(bool init)
 		StrategyControl->completePasses = 0;
 		StrategyControl->numBufferAllocs = 0;
 		StrategyControl->numBufferBackendClocksweep = 0;
+		StrategyControl->numBufferTouchedFreelist = 0;
 
 		/* No pending notification */
 		StrategyControl->bgwriterLatch = NULL;
@@ -667,6 +674,9 @@ GetBufferFromFreelist(BufferAccessStrategy strategy)
 
 			SpinLockAcquire(&StrategyControl->freelist_lck);
 
+			/* Buffer selected from freelist is already in use */
+			StrategyControl->numBufferTouchedFreelist++;
+
 			if (StrategyControl->firstFreeBuffer >= 0)
 			{
 				buf = &BufferDescriptors[StrategyControl->firstFreeBuffer];
diff --git a/src/backend/utils/adt/pgstatfuncs.c b/src/backend/utils/adt/pgstatfuncs.c
index 00d815f..06a9a6c 100644
--- a/src/backend/utils/adt/pgstatfuncs.c
+++ b/src/backend/utils/adt/pgstatfuncs.c
@@ -101,6 +101,7 @@ extern Datum pg_stat_get_buf_written_backend(PG_FUNCTION_ARGS);
 extern Datum pg_stat_get_buf_fsync_backend(PG_FUNCTION_ARGS);
 extern Datum pg_stat_get_buf_alloc(PG_FUNCTION_ARGS);
 extern Datum pg_stat_get_buf_clocksweep_backend(PG_FUNCTION_ARGS);
+extern Datum pg_stat_get_buf_touched_freelist(PG_FUNCTION_ARGS);
 
 extern Datum pg_stat_get_xact_numscans(PG_FUNCTION_ARGS);
 extern Datum pg_stat_get_xact_tuples_returned(PG_FUNCTION_ARGS);
@@ -1503,6 +1504,12 @@ pg_stat_get_buf_clocksweep_backend(PG_FUNCTION_ARGS)
 }
 
 Datum
+pg_stat_get_buf_touched_freelist(PG_FUNCTION_ARGS)
+{
+	PG_RETURN_INT64(pgstat_fetch_global()->buf_touched_freelist);
+}
+
+Datum
 pg_stat_get_xact_numscans(PG_FUNCTION_ARGS)
 {
 	Oid			relid = PG_GETARG_OID(0);
diff --git a/src/include/catalog/pg_proc.h b/src/include/catalog/pg_proc.h
index b7efb3d..194e888 100644
--- a/src/include/catalog/pg_proc.h
+++ b/src/include/catalog/pg_proc.h
@@ -2785,6 +2785,8 @@ DATA(insert OID = 2859 ( pg_stat_get_buf_alloc			PGNSP PGUID 12 1 0 0 0 f f f f
 DESCR("statistics: number of buffer allocations");
 DATA(insert OID = 3218 ( pg_stat_get_buf_clocksweep_backend			PGNSP PGUID 12 1 0 0 0 f f f f t f s 0 0 20 "" _null_ _null_ _null_ _null_ pg_stat_get_buf_clocksweep_backend _null_ _null_ _null_ ));
 DESCR("statistics: number of buffer allocations not satisfied from freelsit");
+DATA(insert OID = 3156 ( pg_stat_get_buf_touched_freelist			PGNSP PGUID 12 1 0 0 0 f f f f t f s 0 0 20 "" _null_ _null_ _null_ _null_ pg_stat_get_buf_touched_freelist _null_ _null_ _null_ ));
+DESCR("statistics: number of buffers in freelist that are touched");
 
 DATA(insert OID = 2978 (  pg_stat_get_function_calls		PGNSP PGUID 12 1 0 0 0 f f f f t f s 1 0 20 "26" _null_ _null_ _null_ _null_ pg_stat_get_function_calls _null_ _null_ _null_ ));
 DESCR("statistics: number of function calls");
diff --git a/src/include/pgstat.h b/src/include/pgstat.h
index 51a2023..c1c5c73 100644
--- a/src/include/pgstat.h
+++ b/src/include/pgstat.h
@@ -398,6 +398,7 @@ typedef struct PgStat_MsgBgWriter
 	PgStat_Counter m_buf_fsync_backend;
 	PgStat_Counter m_buf_alloc;
 	PgStat_Counter m_buf_backend_clocksweep;
+	PgStat_Counter m_buf_touched_freelist;
 	PgStat_Counter m_checkpoint_write_time;		/* times in milliseconds */
 	PgStat_Counter m_checkpoint_sync_time;
 } PgStat_MsgBgWriter;
@@ -672,6 +673,7 @@ typedef struct PgStat_GlobalStats
 	PgStat_Counter buf_fsync_backend;
 	PgStat_Counter buf_alloc;
 	PgStat_Counter buf_backend_clocksweep;
+	PgStat_Counter buf_touched_freelist;
 	TimestampTz stat_reset_timestamp;
 } PgStat_GlobalStats;