f85a2b48bb
This is useful for running multiple seastar applications on the same machine, for testing purposes.
62 lines
1.4 KiB
C++
62 lines
1.4 KiB
C++
/*
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* This file is open source software, licensed to you under the terms
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* of the Apache License, Version 2.0 (the "License"). See the NOTICE file
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* distributed with this work for additional information regarding copyright
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* ownership. You may not use this file except in compliance with the License.
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*
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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,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/*
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* Copyright (C) 2014 Cloudius Systems, Ltd.
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*/
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#ifndef RESOURCE_HH_
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#define RESOURCE_HH_
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#include <cstdlib>
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#include <experimental/optional>
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#include <vector>
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#include <set>
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cpu_set_t cpuid_to_cpuset(unsigned cpuid);
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namespace resource {
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using std::experimental::optional;
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using cpuset = std::set<unsigned>;
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struct configuration {
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optional<size_t> total_memory;
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optional<size_t> reserve_memory; // if total_memory not specified
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optional<size_t> cpus;
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optional<cpuset> cpu_set;
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};
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struct memory {
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size_t bytes;
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unsigned nodeid;
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};
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struct cpu {
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unsigned cpu_id;
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std::vector<memory> mem;
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};
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std::vector<cpu> allocate(configuration c);
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unsigned nr_processing_units();
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}
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#endif /* RESOURCE_HH_ */
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