smp_options.hh

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/*
 * This file is open source software, licensed to you under the terms
 * of the Apache License, Version 2.0 (the "License").  See the NOTICE file
 * distributed with this work for additional information regarding copyright
 * ownership.  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.
 */
/*
 * Copyright 2022 ScyllaDB
 */
 
#pragma once
 
#ifndef SEASTAR_MODULE
#include <seastar/util/program-options.hh>
#include <seastar/util/modules.hh>
#include <string>
#endif
 
 
namespace seastar {
 
SEASTAR_MODULE_EXPORT_BEGIN
 
enum class memory_allocator {
    seastar,
    standard,
};
 
struct smp_options : public program_options::option_group {
    program_options::value<unsigned> smp;
    program_options::value<resource::cpuset> cpuset;
    program_options::value<std::string> memory;
    program_options::value<std::string> reserve_memory;
    program_options::value<std::string> hugepages;
    program_options::value<bool> lock_memory;
    program_options::value<bool> thread_affinity;
    program_options::value<unsigned> num_io_groups;
    program_options::value<std::string> io_properties_file;
    program_options::value<std::string> io_properties;
    program_options::value<bool> mbind;
    program_options::value<bool> enable_glibc_exception_scaling_workaround;
    program_options::value<bool> allow_cpus_in_remote_numa_nodes;
 
    seastar::memory_allocator memory_allocator = memory_allocator::seastar;
 
    size_t reserve_additional_memory_per_shard = 0;
public:
    smp_options(program_options::option_group* parent_group);
};
 
SEASTAR_MODULE_EXPORT_END
}