Stop counting a partly filled send vector as a failure

2026-08-04 12:45:12 -07:00
parent 1f9b5ea62e
commit 06592cbc81
2 changed files with 14 additions and 21 deletions
@@ -10,8 +10,7 @@ type txStats struct {
 	frames atomic.Uint64
 	bytes  atomic.Uint64
 	errs   atomic.Uint64
-	short  atomic.Uint64
-	_      [32]byte
+	_      [40]byte
 }

 type txWorker struct {
@@ -62,13 +61,10 @@ func (w *txWorker) run(done *atomic.Bool) {
 			w.stats.bytes.Add(b)
 			seq += uint64(n)
 		}
-		if n < w.batch {
-			switch {
-			case n < 0 && err != unix.EINTR && err != unix.EAGAIN && err != unix.ENOBUFS:
-				w.stats.errs.Add(1)
-			default:
-				w.stats.short.Add(1)
-			}
+		// Taking fewer of the vector than offered is the ring's room, not a frame
+		// lost: the rest go on the next pass.
+		if n < 0 && err != unix.EINTR && err != unix.EAGAIN && err != unix.ENOBUFS {
+			w.stats.errs.Add(1)
 		}
 	}
 }