test: add benchmark for listworkflows with label selector

Signed-off-by: Mason Malone <[email protected]>

test/e2e/workflow_archive_test.go

@@ -7,6 +7,7 @@ import (
 
 	sutils "github.com/argoproj/argo-workflows/v3/server/utils"
 	"github.com/argoproj/argo-workflows/v3/test/e2e/fixtures"
+	"k8s.io/apimachinery/pkg/labels"
 )
 
 func BenchmarkWorkflowArchive(b *testing.B) {
@@ -16,6 +17,9 @@ func BenchmarkWorkflowArchive(b *testing.B) {
 	suite.SetupSuite()
 	b.ResetTimer()
 
+	// Uncomment the following line to log queries to stdout
+	//db.LC().SetLevel(db.LogLevelDebug)
+
 	b.Run("ListWorkflows", func(b *testing.B) {
 		for range b.N {
 			wfs, err := suite.Persistence.WorkflowArchive.ListWorkflows(sutils.ListOptions{
@@ -28,6 +32,23 @@ func BenchmarkWorkflowArchive(b *testing.B) {
 		}
 	})
 
+	b.Run("ListWorkflows with label selector", func(b *testing.B) {
+		requirements, err := labels.ParseToRequirements("workflows.argoproj.io/phase=Succeeded")
+		if err != nil {
+			b.Fatal(err)
+		}
+		for range b.N {
+			wfs, err := suite.Persistence.WorkflowArchive.ListWorkflows(sutils.ListOptions{
+				Limit:             100,
+				LabelRequirements: requirements,
+			})
+			if err != nil {
+				b.Fatal(err)
+			}
+			b.Logf("Found %d workflows", wfs.Len())
+		}
+	})
+
 	b.Run("CountWorkflows", func(b *testing.B) {
 		for range b.N {
 			wfCount, err := suite.Persistence.WorkflowArchive.CountWorkflows(sutils.ListOptions{})