mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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76 lines
2.8 KiB
76 lines
2.8 KiB
/* |
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* |
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* Copyright 2015, Google Inc. |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions are |
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* met: |
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* |
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* * Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* * Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following disclaimer |
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* in the documentation and/or other materials provided with the |
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* distribution. |
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* * Neither the name of Google Inc. nor the names of its |
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* contributors may be used to endorse or promote products derived from |
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* this software without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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* |
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*/ |
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#include "test/cpp/qps/interarrival.h" |
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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 <grpc/support/histogram.h> |
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#include <grpc++/config.h> |
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using grpc::testing::RandomDist; |
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using grpc::testing::InterarrivalTimer; |
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void RunTest(RandomDist&& r, int threads, std::string title) { |
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InterarrivalTimer timer; |
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timer.init(r, threads); |
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gpr_histogram *h(gpr_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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gpr_histogram_add(h, timer(j).count()); |
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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 << gpr_histogram_percentile(h, pct) << "," << pct << std::endl; |
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} |
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gpr_histogram_destroy(h); |
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} |
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using grpc::testing::ExpDist; |
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using grpc::testing::DetDist; |
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using grpc::testing::UniformDist; |
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using grpc::testing::ParetoDist; |
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int main(int argc, char **argv) { |
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RunTest(ExpDist(10.0), 5, std::string("Exponential(10)")); |
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RunTest(DetDist(5.0), 5, std::string("Det(5)")); |
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RunTest(UniformDist(0.0, 10.0), 5, std::string("Uniform(1,10)")); |
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RunTest(ParetoDist(1.0, 1.0), 5, std::string("Pareto(1,1)")); |
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return 0; |
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}
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