split workloads

bench/workload_mutex.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"fmt"
+	"sync"
+)
+
+func mutexWorkload(goroutines, ops, depth int) error {
+	if goroutines%2 != 0 {
+		return fmt.Errorf("bad goroutines: %d: must be a multiple of 2", goroutines)
+	}
+
+	wg := &sync.WaitGroup{}
+	for j := 0; j < goroutines/2; j++ {
+		m := &sync.Mutex{}
+		wg.Add(1)
+		go atStackDepth(depth, func() {
+			defer wg.Done()
+			for i := 0; i < ops; i++ {
+				m.Lock()
+				m.Unlock()
+			}
+		})
+		wg.Add(1)
+		go atStackDepth(depth, func() {
+			defer wg.Done()
+			for i := 0; i < ops; i++ {
+				m.Lock()
+				m.Unlock()
+			}
+		})
+	}
+	wg.Wait()
+	return nil
+}