Adding upstream version 1.21.8.upstream/1.21.8

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 28 insertions, 0 deletions

diff --git a/src/runtime/netpoll_os_test.go b/src/runtime/netpoll_os_test.go
new file mode 100644
index 0000000..b96b9f3
--- /dev/null
+++ b/src/runtime/netpoll_os_test.go
@@ -0,0 +1,28 @@
+package runtime_test
+
+import (
+	"runtime"
+	"sync"
+	"testing"
+)
+
+var wg sync.WaitGroup
+
+func init() {
+	runtime.NetpollGenericInit()
+}
+
+func BenchmarkNetpollBreak(b *testing.B) {
+	b.StartTimer()
+	for i := 0; i < b.N; i++ {
+		for j := 0; j < 10; j++ {
+			wg.Add(1)
+			go func() {
+				runtime.NetpollBreak()
+				wg.Done()
+			}()
+		}
+	}
+	wg.Wait()
+	b.StopTimer()
+}