1 files changed, 39 insertions, 0 deletions
diff --git a/gopls/internal/regtest/bench/definition_test.go b/gopls/internal/regtest/bench/definition_test.go
new file mode 100644
index 000000000..a3e68f532
--- /dev/null
+++ b/gopls/internal/regtest/bench/definition_test.go
@@ -0,0 +1,39 @@
+// Copyright 2023 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package bench
+
+import (
+	"testing"
+)
+
+func BenchmarkDefinition(b *testing.B) {
+	tests := []struct {
+		repo   string
+		file   string
+		regexp string
+	}{
+		{"istio", "pkg/config/model.go", `gogotypes\.(MarshalAny)`},
+		{"kubernetes", "pkg/controller/lookup_cache.go", `hashutil\.(DeepHashObject)`},
+		{"kuma", "api/generic/insights.go", `proto\.(Message)`},
+		{"pkgsite", "internal/log/log.go", `derrors\.(Wrap)`},
+		{"starlark", "starlark/eval.go", "prog.compiled.(Encode)"},
+		{"tools", "internal/lsp/cache/check.go", `(snapshot)\) buildKey`},
+	}
+
+	for _, test := range tests {
+		b.Run(test.repo, func(b *testing.B) {
+			env := getRepo(b, test.repo).sharedEnv(b)
+			env.OpenFile(test.file)
+			loc := env.RegexpSearch(test.file, test.regexp)
+			env.Await(env.DoneWithOpen())
+			env.GoToDefinition(loc) // pre-warm the query, and open the target file
+			b.ResetTimer()
+
+			for i := 0; i < b.N; i++ {
+				env.GoToDefinition(loc) // pre-warm the query
+			}
+		})
+	}
+}