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15b18a8f1f
ThreadPinning reads the sibling groups from the kernel topology and pins the calling thread to a cpu set. It is stateless and per-thread: a caller reads the groups, picks the cpus for a thread and pins it, so any mapping of threads to cpus is expressible.
13 lines
310 B
C++
13 lines
310 B
C++
#pragma once
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#include <vector>
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namespace tp {
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class ThreadPinning {
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public:
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[[nodiscard]] static std::vector<int> allowedCpus();
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[[nodiscard]] static std::vector<std::vector<int>> siblingGroups(const std::vector<int>& allowed = {});
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static void pinCallingThread(const std::vector<int>& cpus);
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};
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}
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