schedulerExample2.cpp

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/**
 * @file
 * @copyright
 *   SPDX-FileCopyrightText: 2023-2023 European Southern Observatory (ESO)
 *
 *   SPDX-License-Identifier: LGPL-3.0-only
 */
#include <iostream>
#include <numapp/numa.hpp>
#include <numapp/scheduler.hpp>
 
int main() {
    using namespace numapp;
    if (!NumaAvailable()) {
        std::cout << "NUMA not available";
        return -1;
    }
 
    Scheduler current = Scheduler::MakeFromActive();
 
    if (current.HoldsScheduler<numapp::DynamicScheduler>()) {
        auto sched = current.GetScheduler<numapp::DynamicScheduler>();
        std::cout << "Nice: " << sched.GetNice() << std::endl;
    }
 
    // Or get underlying variant
    std::variant<DynamicScheduler, StaticScheduler, IdleScheduler> variant = current.Get(); 
}