1/*
2 * Copyright (C) 2012 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17package com.android.internal.net;
18
19import android.net.NetworkStats;
20import android.os.SystemClock;
21
22import com.google.caliper.SimpleBenchmark;
23
24import java.io.File;
25
26public class NetworkStatsFactoryBenchmark extends SimpleBenchmark {
27    private File mStats;
28
29    // TODO: consider staging stats file with different number of rows
30
31    @Override
32    protected void setUp() {
33        mStats = new File("/proc/net/xt_qtaguid/stats");
34    }
35
36    @Override
37    protected void tearDown() {
38        mStats = null;
39    }
40
41    public void timeReadNetworkStatsDetailJava(int reps) throws Exception {
42        for (int i = 0; i < reps; i++) {
43            NetworkStatsFactory.javaReadNetworkStatsDetail(mStats, NetworkStats.UID_ALL);
44        }
45    }
46
47    public void timeReadNetworkStatsDetailNative(int reps) {
48        for (int i = 0; i < reps; i++) {
49            final NetworkStats stats = new NetworkStats(SystemClock.elapsedRealtime(), 0);
50            NetworkStatsFactory.nativeReadNetworkStatsDetail(
51                    stats, mStats.getAbsolutePath(), NetworkStats.UID_ALL);
52        }
53    }
54}
55