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/*
* Copyright 2018 The gRPC 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 io.grpc.internal;
import com.google.common.util.concurrent.ListenableFuture;
import io.grpc.Instrumented;
import io.grpc.InternalChannelz;
import io.grpc.InternalChannelz.ServerStats;
import io.grpc.InternalChannelz.SocketStats;
import io.grpc.LogId;
import java.util.concurrent.TimeUnit;
import org.openjdk.jmh.annotations.Benchmark;
import org.openjdk.jmh.annotations.BenchmarkMode;
import org.openjdk.jmh.annotations.Mode;
import org.openjdk.jmh.annotations.OutputTimeUnit;
import org.openjdk.jmh.annotations.Param;
import org.openjdk.jmh.annotations.Scope;
import org.openjdk.jmh.annotations.Setup;
import org.openjdk.jmh.annotations.State;
/**
* Javadoc.
*/
@State(Scope.Benchmark)
public class ChannelzBenchmark {
// Number of items already present
@Param({"10", "100", "1000", "10000"})
public int preexisting;
public InternalChannelz channelz = new InternalChannelz();
public Instrumented<ServerStats> serverToRemove;
public Instrumented<ServerStats> serverToAdd;
public Instrumented<ServerStats> serverForServerSocket;
public Instrumented<SocketStats> serverSocketToAdd;
public Instrumented<SocketStats> serverSocketToRemove;
/**
* Javadoc.
*/
@Setup
@SuppressWarnings({"unchecked", "rawtypes"})
public void setUp() {
serverToRemove = create();
channelz.addServer(serverToRemove);
serverForServerSocket = create();
channelz.addServer(serverForServerSocket);
serverSocketToRemove = create();
channelz.addClientSocket(serverSocketToRemove);
channelz.addServerSocket(serverForServerSocket, serverSocketToRemove);
populate(preexisting);
serverToAdd = create();
serverSocketToAdd = create();
}
private void populate(int count) {
for (int i = 0; i < count; i++) {
// for addNavigable / removeNavigable
Instrumented<ServerStats> srv = create();
channelz.addServer(srv);
// for add / remove
Instrumented<SocketStats> sock = create();
channelz.addClientSocket(sock);
// for addServerSocket / removeServerSocket
channelz.addServerSocket(serverForServerSocket, sock);
}
}
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void addNavigable() {
channelz.addServer(serverToAdd);
}
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void add() {
channelz.addClientSocket(serverSocketToAdd);
}
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void addServerSocket() {
channelz.addServerSocket(serverForServerSocket, serverSocketToAdd);
}
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void removeNavigable() {
channelz.removeServer(serverToRemove);
}
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void remove() {
channelz.removeClientSocket(serverSocketToRemove);
}
@Benchmark
@BenchmarkMode(Mode.SampleTime)
@OutputTimeUnit(TimeUnit.NANOSECONDS)
public void removeServerSocket() {
channelz.removeServerSocket(serverForServerSocket, serverSocketToRemove);
}
private static <T> Instrumented<T> create() {
return new Instrumented<T>() {
final LogId id = LogId.allocate("fake-tag");
@Override
public ListenableFuture<T> getStats() {
throw new UnsupportedOperationException();
}
@Override
public LogId getLogId() {
return id;
}
};
}
}
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