1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
|
/*
* Copyright (c) 2018 Cisco and/or its affiliates.
*
* 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 io.fd.hc2vpp.it.jvpp.benchmark.util;
import com.google.common.io.CharStreams;
import io.fd.jvpp.JVppRegistry;
import io.fd.jvpp.JVppRegistryImpl;
import io.fd.jvpp.dto.JVppReply;
import java.io.IOException;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.Arrays;
import java.util.concurrent.CompletionStage;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Fork;
import org.openjdk.jmh.annotations.Level;
import org.openjdk.jmh.annotations.Measurement;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
import org.openjdk.jmh.annotations.TearDown;
import org.openjdk.jmh.annotations.Threads;
import org.openjdk.jmh.annotations.Timeout;
import org.openjdk.jmh.annotations.Warmup;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@BenchmarkMode(Mode.AverageTime)
@State(Scope.Thread)
@Fork(1)
@Threads(1)
@Timeout(time = 10)
@Warmup(iterations = 20, time = 2)
@Measurement(iterations = 100, time = 2)
@OutputTimeUnit(TimeUnit.MILLISECONDS)
public abstract class JVppBenchmark {
private static final Logger LOG = LoggerFactory.getLogger(JVppBenchmark.class);
private JVppRegistryImpl registry;
@Setup(Level.Iteration)
public final void setup() throws Exception {
startVpp();
jVppConnect();
iterationSetup();
}
protected void iterationSetup() throws Exception {
// NOOP
}
@TearDown(Level.Iteration)
public final void tearDown() throws Exception {
iterationTearDown();
jVppDisconnect();
stopVpp();
}
protected void iterationTearDown() throws Exception {
// NOOP
}
private void startVpp() throws IOException, InterruptedException {
LOG.info("Starting VPP ...");
final String[] cmd = {"/bin/sh", "-c", "sudo service vpp start"};
exec(cmd);
LOG.info("VPP started successfully");
}
private void stopVpp() throws IOException, InterruptedException {
LOG.info("Stopping VPP ...");
final String[] cmd = {"/bin/sh", "-c", "sudo service vpp stop"};
exec(cmd);
// Wait to be sure VPP was stopped.
// Prevents VPP start failure: "vpp.service: Start request repeated too quickly".
Thread.sleep(1500);
LOG.info("VPP stopped successfully");
}
private static void exec(String[] command) throws IOException, InterruptedException {
final Process process = Runtime.getRuntime().exec(command);
process.waitFor();
if (process.exitValue() != 0) {
String error_msg = "Failed to execute " + Arrays.toString(command) + ": " +
CharStreams.toString(new InputStreamReader(process.getErrorStream(), StandardCharsets.UTF_8));
throw new IllegalStateException(error_msg);
}
}
private void jVppConnect() throws IOException {
LOG.info("Connecting JVpp ...");
registry = new JVppRegistryImpl("ACLUpdateBenchmark");
connect(registry);
LOG.info("Successfully connected to JVPP");
}
/**
* Connects JVpp plugins.
* @param registry manages JVpp connection
*/
protected abstract void connect(final JVppRegistry registry) throws IOException;
private void jVppDisconnect() throws Exception {
LOG.info("Disconnecting JVpp...");
disconnect();
registry.close();
LOG.info("Successfully disconnected ...");
}
/**
* Disconnects JVpp plugins.
*/
protected abstract void disconnect() throws Exception;
protected static <R extends JVppReply<?>> R invoke(final CompletionStage<R> completionStage)
throws ExecutionException, InterruptedException {
return completionStage.toCompletableFuture().get();
}
}
|
