140 lines
3.9 KiB
C++
140 lines
3.9 KiB
C++
/*
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* SimpleAtomicAdd.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2026 Apple Inc. and the FoundationDB project 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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#include "fdbclient/NativeAPI.actor.h"
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#include "fdbclient/ReadYourWrites.h"
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#include "fdbserver/tester/workloads.h"
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#include "flow/flow.h"
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#include "flow/genericactors.actor.h"
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struct SimpleAtomicAddWorkload : TestWorkload {
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static constexpr auto NAME = "SimpleAtomicAdd";
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int addValue;
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int iterations;
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bool initialize;
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int initialValue;
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Key sumKey;
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double testDuration;
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std::vector<Future<Void>> clients;
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explicit SimpleAtomicAddWorkload(WorkloadContext const& wcx) : TestWorkload(wcx) {
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testDuration = getOption(options, "testDuration"_sr, 10.0);
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addValue = getOption(options, "addValue"_sr, 1);
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iterations = getOption(options, "iterations"_sr, 100);
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initialize = getOption(options, "initialize"_sr, false);
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initialValue = getOption(options, "initialValue"_sr, 0);
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sumKey = getOption(options, "sumKey"_sr, "sumKey"_sr);
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}
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Future<Void> setup(Database const& cx) override { return Void(); }
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Future<Void> start(Database const& cx) override {
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if (clientId) {
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return Void();
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}
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return _start(cx);
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}
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Future<bool> check(Database const& cx) override {
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if (clientId) {
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return true;
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}
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return _check(cx);
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}
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Future<Void> _start(Database cx) {
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if (initialize) {
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co_await setInitialValue(cx);
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}
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for (int i = 0; i < iterations; ++i) {
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clients.push_back(timeout(applyAtomicAdd(cx), testDuration, Void()));
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}
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waitForAll(clients);
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}
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Future<Void> setInitialValue(Database cx) {
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ReadYourWritesTransaction tr(cx);
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Value val = StringRef((const uint8_t*)&initialValue, sizeof(initialValue));
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while (true) {
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Error err;
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try {
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TraceEvent("SAASetInitialValue").detail("Key", sumKey).detail("Value", val);
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tr.set(sumKey, val);
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co_await tr.commit();
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break;
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} catch (Error& e) {
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err = e;
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}
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TraceEvent("SAASetInitialValueError").error(err);
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co_await tr.onError(err);
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}
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}
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Future<Void> applyAtomicAdd(Database cx) {
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ReadYourWritesTransaction tr(cx);
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Value val = StringRef((const uint8_t*)&addValue, sizeof(addValue));
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while (true) {
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Error err;
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try {
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TraceEvent("SAABegin").detail("Key", sumKey).detail("Value", val);
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tr.atomicOp(sumKey, val, MutationRef::AddValue);
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co_await tr.commit();
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break;
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} catch (Error& e) {
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err = e;
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}
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TraceEvent("SAABeginError").error(err);
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co_await tr.onError(err);
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}
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}
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Future<bool> _check(Database cx) {
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ReadYourWritesTransaction tr(cx);
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uint64_t expectedValue = static_cast<uint64_t>(addValue) * iterations;
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if (initialize) {
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expectedValue += initialValue;
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}
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while (true) {
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Error err;
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try {
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TraceEvent("SAACheckKey").log();
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Optional<Value> actualValue = co_await tr.get(sumKey);
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uint64_t actualValueInt = 0;
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if (actualValue.present()) {
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memcpy(&actualValueInt, actualValue.get().begin(), actualValue.get().size());
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}
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TraceEvent("SAACheckEqual")
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.detail("ExpectedValue", expectedValue)
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.detail("ActualValue", actualValueInt);
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co_return (expectedValue == actualValueInt);
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} catch (Error& e) {
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err = e;
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}
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TraceEvent("SAACheckError").error(err);
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co_await tr.onError(err);
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}
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}
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void getMetrics(std::vector<PerfMetric>& m) override {}
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};
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WorkloadFactory<SimpleAtomicAddWorkload> SimpleAtomicAddWorkloadFactory;
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