• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  *
3  * Copyright 2017 gRPC authors.
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *     http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 
19 /* Benchmark channel */
20 
21 #include <benchmark/benchmark.h>
22 #include <grpc/grpc.h>
23 #include "test/cpp/microbenchmarks/helpers.h"
24 #include "test/cpp/util/test_config.h"
25 
26 auto& force_library_initialization = Library::get();
27 
28 class ChannelDestroyerFixture {
29  public:
ChannelDestroyerFixture()30   ChannelDestroyerFixture() {}
~ChannelDestroyerFixture()31   virtual ~ChannelDestroyerFixture() {
32     if (channel_) {
33       grpc_channel_destroy(channel_);
34     }
35   }
36   virtual void Init() = 0;
37 
38  protected:
39   grpc_channel* channel_ = nullptr;
40 };
41 
42 class InsecureChannelFixture : public ChannelDestroyerFixture {
43  public:
InsecureChannelFixture()44   InsecureChannelFixture() {}
Init()45   void Init() override {
46     channel_ = grpc_insecure_channel_create("localhost:1234", nullptr, nullptr);
47   }
48 };
49 
50 class LameChannelFixture : public ChannelDestroyerFixture {
51  public:
LameChannelFixture()52   LameChannelFixture() {}
Init()53   void Init() override {
54     channel_ = grpc_lame_client_channel_create(
55         "localhost:1234", GRPC_STATUS_UNAUTHENTICATED, "blah");
56   }
57 };
58 
59 template <class Fixture>
BM_InsecureChannelCreateDestroy(benchmark::State & state)60 static void BM_InsecureChannelCreateDestroy(benchmark::State& state) {
61   // In order to test if channel creation time is affected by the number of
62   // already existing channels, we create some initial channels here.
63   Fixture initial_channels[512];
64   for (int i = 0; i < state.range(0); i++) {
65     initial_channels[i].Init();
66   }
67   while (state.KeepRunning()) {
68     Fixture channel;
69     channel.Init();
70   }
71 }
72 BENCHMARK_TEMPLATE(BM_InsecureChannelCreateDestroy, InsecureChannelFixture)
73     ->Range(0, 512);
74 ;
75 BENCHMARK_TEMPLATE(BM_InsecureChannelCreateDestroy, LameChannelFixture)
76     ->Range(0, 512);
77 ;
78 
79 // Some distros have RunSpecifiedBenchmarks under the benchmark namespace,
80 // and others do not. This allows us to support both modes.
81 namespace benchmark {
RunTheBenchmarksNamespaced()82 void RunTheBenchmarksNamespaced() { RunSpecifiedBenchmarks(); }
83 }  // namespace benchmark
84 
main(int argc,char ** argv)85 int main(int argc, char** argv) {
86   ::benchmark::Initialize(&argc, argv);
87   ::grpc::testing::InitTest(&argc, &argv, false);
88   benchmark::RunTheBenchmarksNamespaced();
89   return 0;
90 }
91