tools/benchmark/benchmark_EventSystem.cc (72 lines of code) (raw):

/** @file Micro Benchmark tool for Event System - requires Catch2 v2.9.0+ @section license License Licensed to the Apache Software Foundation (ASF) under one or more contributor license agreements. See the NOTICE file distributed with this work for additional information regarding copyright ownership. The ASF licenses this file to you 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. */ #define CATCH_CONFIG_ENABLE_BENCHMARKING #define CATCH_CONFIG_RUNNER #include "catch.hpp" #include "iocore/eventsystem/Continuation.h" #include "iocore/eventsystem/EventSystem.h" #include "iocore/eventsystem/Lock.h" #include "iocore/utils/diags.i" #include "tscore/Layout.h" #include "tscore/TSSystemState.h" namespace { // Args int nevents = 1; int nthreads = 1; std::atomic<int> counter = 0; struct Task : public Continuation { Task() : Continuation(new_ProxyMutex()) { SET_HANDLER(&Task::event_handler); } int event_handler(int /* event ATS_UNUSED */, Event * /* e ATS_UNUSED */) { ++counter; if (counter == nevents) { TSSystemState::shut_down_event_system(); } return 0; } }; } // namespace TEST_CASE("event process benchmark", "") { char name[64]; snprintf(name, sizeof(name), "nevents = %d nthreads = %d", nevents, nthreads); BENCHMARK(name) { REQUIRE(!TSSystemState::is_initializing()); for (int i = 0; i < nevents; ++i) { Task *t = new Task(); eventProcessor.schedule_in(t, 0); } while (!TSSystemState::is_event_system_shut_down()) { sleep(1); } }; } struct EventProcessorListener : Catch::TestEventListenerBase { using TestEventListenerBase::TestEventListenerBase; void testRunStarting(Catch::TestRunInfo const & /* testRunInfo ATS_UNUSED */) override { Layout::create(); init_diags("", nullptr); RecProcessInit(); ink_event_system_init(EVENT_SYSTEM_MODULE_PUBLIC_VERSION); eventProcessor.start(nthreads, 1048576); // Hardcoded stacksize at 1MB EThread *main_thread = new EThread; main_thread->set_specific(); TSSystemState::initialization_done(); } }; CATCH_REGISTER_LISTENER(EventProcessorListener); int main(int argc, char *argv[]) { Catch::Session session; using namespace Catch::clara; auto cli = session.cli() | Opt(nevents, "n")["--ts-nevents"]("number of events (default: 1)\n") | Opt(nthreads, "n")["--ts-nthreads"]("number of ethreads (default: 1)\n"); session.cli(cli); if (int res = session.applyCommandLine(argc, argv); res != 0) { return res; } return session.run(); }