Index: libcfa/src/concurrency/stats.cfa
===================================================================
--- libcfa/src/concurrency/stats.cfa	(revision 420b49833e450bfc19530f586a03156c5f61e366)
+++ libcfa/src/concurrency/stats.cfa	(revision db614d00deb5a401a1eae82834730b55a1446e7b)
@@ -48,4 +48,8 @@
 			stats->io.calls.completed   = 0;
 			stats->io.calls.errors.busy = 0;
+			stats->io.ops.sockread      = 0;
+			stats->io.ops.epllread      = 0;
+			stats->io.ops.sockwrite     = 0;
+			stats->io.ops.epllwrite     = 0;
 		#endif
 
@@ -104,4 +108,8 @@
 			tally_one( &cltr->io.calls.completed  , &proc->io.calls.completed   );
 			tally_one( &cltr->io.calls.errors.busy, &proc->io.calls.errors.busy );
+			tally_one( &cltr->io.ops.sockread     , &proc->io.ops.sockread      );
+			tally_one( &cltr->io.ops.epllread     , &proc->io.ops.epllread      );
+			tally_one( &cltr->io.ops.sockwrite    , &proc->io.ops.sockwrite     );
+			tally_one( &cltr->io.ops.epllwrite    , &proc->io.ops.epllwrite     );
 		#endif
 	}
@@ -179,4 +187,7 @@
 				     | " - cmp " | eng3(io.calls.drain) | "/" | eng3(io.calls.completed) | "(" | ws(3, 3, avgcomp) | "/drain)"
 				     | " - " | eng3(io.calls.errors.busy) | " EBUSY";
+				sstr | "- ops blk: "
+				     |   " sk rd: " | eng3(io.ops.sockread)  | "epll: " | eng3(io.ops.epllread)
+				     |   " sk wr: " | eng3(io.ops.sockwrite) | "epll: " | eng3(io.ops.epllwrite);
 				sstr | nl;
 			}
Index: libcfa/src/concurrency/stats.hfa
===================================================================
--- libcfa/src/concurrency/stats.hfa	(revision 420b49833e450bfc19530f586a03156c5f61e366)
+++ libcfa/src/concurrency/stats.hfa	(revision db614d00deb5a401a1eae82834730b55a1446e7b)
@@ -102,4 +102,10 @@
 				volatile uint64_t sleeps;
 			} poller;
+			struct {
+				volatile uint64_t sockread;
+				volatile uint64_t epllread;
+				volatile uint64_t sockwrite;
+				volatile uint64_t epllwrite;
+			} ops;
 		};
 	#endif