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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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61 lines
1.8 KiB
61 lines
1.8 KiB
/* |
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* |
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* Copyright 2015 gRPC authors. |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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* |
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*/ |
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#include <chrono> |
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#include <iostream> |
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// Use the C histogram rather than C++ to avoid depending on proto |
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#include "test/core/util/histogram.h" |
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#include "test/core/util/test_config.h" |
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#include "test/cpp/qps/interarrival.h" |
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#include "test/cpp/util/test_config.h" |
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using grpc::testing::InterarrivalTimer; |
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using grpc::testing::RandomDistInterface; |
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static void RunTest(RandomDistInterface&& r, int threads, |
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const std::string& title) { |
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InterarrivalTimer timer; |
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timer.init(r, threads); |
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grpc_histogram* h(grpc_histogram_create(0.01, 60e9)); |
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for (int i = 0; i < 10000000; i++) { |
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for (int j = 0; j < threads; j++) { |
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grpc_histogram_add(h, timer.next(j)); |
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} |
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} |
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std::cout << title << " Distribution" << std::endl; |
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std::cout << "Value, Percentile" << std::endl; |
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for (double pct = 0.0; pct < 100.0; pct += 1.0) { |
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std::cout << grpc_histogram_percentile(h, pct) << "," << pct << std::endl; |
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} |
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grpc_histogram_destroy(h); |
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} |
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using grpc::testing::ExpDist; |
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int main(int argc, char** argv) { |
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grpc::testing::TestEnvironment env(argc, argv); |
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grpc::testing::InitTest(&argc, &argv, true); |
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RunTest(ExpDist(10.0), 5, std::string("Exponential(10)")); |
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return 0; |
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}
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