diff --git a/test/integration/scheduler_perf/scheduler_perf_test.go b/test/integration/scheduler_perf/scheduler_perf_test.go
index fb4b58d0249..e560f5a8a03 100644
--- a/test/integration/scheduler_perf/scheduler_perf_test.go
+++ b/test/integration/scheduler_perf/scheduler_perf_test.go
@@ -265,6 +265,14 @@ func isValidParameterizable(val string) bool {
 	return strings.HasPrefix(val, "$")
 }
 
+func isValidCount(allowParameterization bool, count int, countParam string) bool {
+	if !allowParameterization || countParam == "" {
+		// Ignore parameter. The value itself must be okay.
+		return count >= 0
+	}
+	return isValidParameterizable(countParam)
+}
+
 // createNodesOp defines an op where nodes are created as a part of a workload.
 type createNodesOp struct {
 	// Must be "createNodes".
@@ -288,9 +296,7 @@ func (cno *createNodesOp) isValid(allowParameterization bool) error {
 	if cno.Opcode != createNodesOpcode {
 		return fmt.Errorf("invalid opcode %q", cno.Opcode)
 	}
-	ok := cno.Count > 0 ||
-		(cno.CountParam != "" && allowParameterization && isValidParameterizable(cno.CountParam))
-	if !ok {
+	if !isValidCount(allowParameterization, cno.Count, cno.CountParam) {
 		return fmt.Errorf("invalid Count=%d / CountParam=%q", cno.Count, cno.CountParam)
 	}
 	return nil
@@ -331,9 +337,7 @@ func (cmo *createNamespacesOp) isValid(allowParameterization bool) error {
 	if cmo.Opcode != createNamespacesOpcode {
 		return fmt.Errorf("invalid opcode %q", cmo.Opcode)
 	}
-	ok := cmo.Count > 0 ||
-		(cmo.CountParam != "" && allowParameterization && isValidParameterizable(cmo.CountParam))
-	if !ok {
+	if !isValidCount(allowParameterization, cmo.Count, cmo.CountParam) {
 		return fmt.Errorf("invalid Count=%d / CountParam=%q", cmo.Count, cmo.CountParam)
 	}
 	return nil
@@ -390,9 +394,7 @@ func (cpo *createPodsOp) isValid(allowParameterization bool) error {
 	if cpo.Opcode != createPodsOpcode {
 		return fmt.Errorf("invalid opcode %q; expected %q", cpo.Opcode, createPodsOpcode)
 	}
-	ok := cpo.Count > 0 ||
-		(cpo.CountParam != "" && allowParameterization && isValidParameterizable(cpo.CountParam))
-	if !ok {
+	if !isValidCount(allowParameterization, cpo.Count, cpo.CountParam) {
 		return fmt.Errorf("invalid Count=%d / CountParam=%q", cpo.Count, cpo.CountParam)
 	}
 	if cpo.CollectMetrics && cpo.SkipWaitToCompletion {
@@ -438,9 +440,7 @@ func (cpso *createPodSetsOp) isValid(allowParameterization bool) error {
 	if cpso.Opcode != createPodSetsOpcode {
 		return fmt.Errorf("invalid opcode %q; expected %q", cpso.Opcode, createPodSetsOpcode)
 	}
-	ok := cpso.Count > 0 ||
-		(cpso.CountParam != "" && allowParameterization && isValidParameterizable(cpso.CountParam))
-	if !ok {
+	if !isValidCount(allowParameterization, cpso.Count, cpso.CountParam) {
 		return fmt.Errorf("invalid Count=%d / CountParam=%q", cpso.Count, cpso.CountParam)
 	}
 	return cpso.CreatePodsOp.isValid(allowParameterization)