1 /*
2 *
3 * Copyright 2015 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 /* This benchmark exists to ensure that immediately-firing alarms are fast */
20
21 #include <benchmark/benchmark.h>
22 #include <grpc/grpc.h>
23 #include <grpcpp/alarm.h>
24 #include <grpcpp/completion_queue.h>
25 #include <grpcpp/impl/grpc_library.h>
26 #include "test/core/util/test_config.h"
27 #include "test/cpp/microbenchmarks/helpers.h"
28 #include "test/cpp/util/test_config.h"
29
30 namespace grpc {
31 namespace testing {
32
BM_Alarm_Tag_Immediate(benchmark::State & state)33 static void BM_Alarm_Tag_Immediate(benchmark::State& state) {
34 TrackCounters track_counters;
35 CompletionQueue cq;
36 Alarm alarm;
37 void* output_tag;
38 bool ok;
39 auto deadline = grpc_timeout_seconds_to_deadline(0);
40 for (auto _ : state) {
41 alarm.Set(&cq, deadline, nullptr);
42 cq.Next(&output_tag, &ok);
43 }
44 track_counters.Finish(state);
45 }
46 BENCHMARK(BM_Alarm_Tag_Immediate);
47
48 } // namespace testing
49 } // namespace grpc
50
51 // Some distros have RunSpecifiedBenchmarks under the benchmark namespace,
52 // and others do not. This allows us to support both modes.
53 namespace benchmark {
RunTheBenchmarksNamespaced()54 void RunTheBenchmarksNamespaced() { RunSpecifiedBenchmarks(); }
55 } // namespace benchmark
56
main(int argc,char ** argv)57 int main(int argc, char** argv) {
58 grpc::testing::TestEnvironment env(argc, argv);
59 LibraryInitializer libInit;
60 ::benchmark::Initialize(&argc, argv);
61 ::grpc::testing::InitTest(&argc, &argv, false);
62 benchmark::RunTheBenchmarksNamespaced();
63 return 0;
64 }
65