Index: libcfa/src/concurrency/io.cfa
===================================================================
--- libcfa/src/concurrency/io.cfa	(revision 4c4d854944a52f7271cb7d0d7c8cc51899a121cc)
+++ libcfa/src/concurrency/io.cfa	(revision 150d21a66b9aa31807e70072c9dfd81b230c628d)
@@ -173,5 +173,5 @@
 		__u32 count = tail - head;
 		/* paranoid */ verify( count != 0 );
-		__STATS__( false, io.calls.submitted += count; )
+		__STATS__( false, io.calls.completed += count; )
 
 		for(i; count) {
@@ -233,5 +233,5 @@
 
 			__STATS__( false,
-				io.calls.blocks += 1;
+				io.poller.sleeps += 1;
 			)
 			__cfadbg_print_safe(io_core, "Kernel I/O : Parking io poller %d (%p)\n", this.fd, &this);
Index: libcfa/src/concurrency/stats.cfa
===================================================================
--- libcfa/src/concurrency/stats.cfa	(revision 4c4d854944a52f7271cb7d0d7c8cc51899a121cc)
+++ libcfa/src/concurrency/stats.cfa	(revision 150d21a66b9aa31807e70072c9dfd81b230c628d)
@@ -38,4 +38,5 @@
 			stats->io.calls.blocks      = 0;
 			stats->io.calls.errors.busy = 0;
+			stats->io.poller.sleeps     = 0;
 		#endif
 	}
@@ -71,4 +72,5 @@
 			__atomic_fetch_add( &cltr->io.calls.blocks     , proc->io.calls.blocks     , __ATOMIC_SEQ_CST ); proc->io.calls.blocks      = 0;
 			__atomic_fetch_add( &cltr->io.calls.errors.busy, proc->io.calls.errors.busy, __ATOMIC_SEQ_CST ); proc->io.calls.errors.busy = 0;
+			__atomic_fetch_add( &cltr->io.poller.sleeps    , proc->io.poller.sleeps    , __ATOMIC_SEQ_CST ); proc->io.poller.sleeps     = 0;
 		#endif
 	}
@@ -144,4 +146,5 @@
 					"-     blocking calls     : %'15" PRIu64 "\n"
 					"- io_uring_enter EBUSYs  : %'15" PRIu64 "\n"
+					"- poller sleeping        : %'15" PRIu64 "\n"
 					"\n"
 					, type,  name, id
@@ -161,4 +164,5 @@
 					, io.calls.blocks
 					, io.calls.errors.busy
+					, io.poller.sleeps
 				);
 			}
Index: libcfa/src/concurrency/stats.hfa
===================================================================
--- libcfa/src/concurrency/stats.hfa	(revision 4c4d854944a52f7271cb7d0d7c8cc51899a121cc)
+++ libcfa/src/concurrency/stats.hfa	(revision 150d21a66b9aa31807e70072c9dfd81b230c628d)
@@ -88,4 +88,7 @@
 				} errors;
 			} calls;
+			struct {
+				volatile uint64_t sleeps;
+			} poller;
 		};
 	#endif