go.etcd.io/etcd@v3.3.27+incompatible/mvcc/watcher_bench_test.go (about)

     1  // Copyright 2015 The etcd Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package mvcc
    16  
    17  import (
    18  	"fmt"
    19  	"testing"
    20  
    21  	"github.com/coreos/etcd/lease"
    22  	"github.com/coreos/etcd/mvcc/backend"
    23  )
    24  
    25  func BenchmarkKVWatcherMemoryUsage(b *testing.B) {
    26  	be, tmpPath := backend.NewDefaultTmpBackend()
    27  	watchable := newWatchableStore(be, &lease.FakeLessor{}, nil, nil)
    28  
    29  	defer cleanup(watchable, be, tmpPath)
    30  
    31  	w := watchable.NewWatchStream()
    32  
    33  	b.ReportAllocs()
    34  	b.StartTimer()
    35  	for i := 0; i < b.N; i++ {
    36  		w.Watch([]byte(fmt.Sprint("foo", i)), nil, 0)
    37  	}
    38  }