server: Move server files to 'server' directory.

26  git mv mvcc wal auth etcdserver etcdmain proxy embed/ lease/ server
   36  git mv go.mod go.sum server

server/mvcc/watcher_bench_test.go

@@ -0,0 +1,40 @@
+// Copyright 2015 The etcd Authors
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package mvcc
+
+import (
+	"fmt"
+	"testing"
+
+	"go.etcd.io/etcd/v3/lease"
+	"go.etcd.io/etcd/v3/mvcc/backend"
+
+	"go.uber.org/zap"
+)
+
+func BenchmarkKVWatcherMemoryUsage(b *testing.B) {
+	be, tmpPath := backend.NewDefaultTmpBackend()
+	watchable := newWatchableStore(zap.NewExample(), be, &lease.FakeLessor{}, nil, StoreConfig{})
+
+	defer cleanup(watchable, be, tmpPath)
+
+	w := watchable.NewWatchStream()
+
+	b.ReportAllocs()
+	b.StartTimer()
+	for i := 0; i < b.N; i++ {
+		w.Watch(0, []byte(fmt.Sprint("foo", i)), nil, 0)
+	}
+}