diff --git a/include/libtorrent/aux_/session_impl.hpp b/include/libtorrent/aux_/session_impl.hpp
index 91083022a..ad97beb2f 100644
--- a/include/libtorrent/aux_/session_impl.hpp
+++ b/include/libtorrent/aux_/session_impl.hpp
@@ -933,6 +933,8 @@ namespace libtorrent
 			int m_num_banned_peers;
 			int m_banned_for_hash_failure;
 			vm_statistics_data_t m_last_vm_stat;
+			sliding_average<5> m_read_ops;
+			sliding_average<5> m_write_ops;;
 #endif
 
 			// each second tick the timer takes a little
diff --git a/parse_session_stats.py b/parse_session_stats.py
index ff60b62d4..804ca7715 100755
--- a/parse_session_stats.py
+++ b/parse_session_stats.py
@@ -120,7 +120,7 @@ reports = [
 	('disk_cache', 'blocks (16kiB)', '', 'disk cache size and usage', ['read disk cache size', 'disk cache size', 'disk buffer allocations', 'cache size']),
 	('disk_readback', '% of written blocks', '%%', 'portion of written blocks that had to be read back for hash verification', ['% read back']),
 	('disk_queue', 'number of queued disk jobs', '', 'queued disk jobs', ['disk queue size', 'disk read queue size', 'read job queue size limit']),
-	('disk_iops', 'operations/s', '', 'number of disk operations per second', ['read ops/s', 'write ops/s']),
+	('disk_iops', 'operations/s', '', 'number of disk operations per second', ['read ops/s', 'write ops/s', 'smooth read ops/s', 'smooth write ops/s']),
 	('mixed mode', 'rate', 'B/s', 'rates by transport protocol', ['TCP up rate','TCP down rate','uTP up rate','uTP down rate','TCP up limit','TCP down limit']),
 	('uTP delay', 'buffering delay', 's', 'network delays measured by uTP', ['uTP peak send delay','uTP avg send delay']),
 	('system memory', '', '', 'virtual memory page count', ['active resident pages', 'inactive resident pages', 'pinned resident pages', 'free pages']),
diff --git a/src/session_impl.cpp b/src/session_impl.cpp
index 8aaa81597..034e357f3 100644
--- a/src/session_impl.cpp
+++ b/src/session_impl.cpp
@@ -981,6 +981,8 @@ namespace aux {
 			":pageins"
 			":pageouts"
 			":page faults"
+			":smooth read ops/s"
+			":smooth write ops/s"
 			"\n\n", m_stats_logger);
 	}
 #endif
@@ -3271,6 +3273,9 @@ namespace aux {
 		{
 			cache_status cs = m_disk_thread.status();
 
+			m_read_ops.add_sample((cs.reads - m_last_cache_status.reads) * 1000.0 / float(tick_interval_ms));
+			m_write_ops.add_sample((cs.writes - m_last_cache_status.writes) * 1000.0 / float(tick_interval_ms));
+
 			int total_job_time = cs.cumulative_job_time == 0 ? 1 : cs.cumulative_job_time;
 
 #define STAT_LOG(type, val) fprintf(m_stats_logger, "%" #type "\t", val)
@@ -3396,6 +3401,9 @@ namespace aux {
 			STAT_LOG(d, int(vm_stat.pageouts - m_last_vm_stat.pageouts));
 			STAT_LOG(d, int(vm_stat.faults - m_last_vm_stat.faults));
 
+			STAT_LOG(d, m_read_ops.mean());
+			STAT_LOG(d, m_write_ops.mean());
+
 			fprintf(m_stats_logger, "\n");
 
 #undef STAT_LOG