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@@ -76,7 +76,7 @@ int32_t get_num_physical_cores() {
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// enumerate the set of thread siblings, num entries is num cores
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// enumerate the set of thread siblings, num entries is num cores
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std::unordered_set<std::string> siblings;
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std::unordered_set<std::string> siblings;
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for (uint32_t cpu=0; cpu < UINT32_MAX; ++cpu) {
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for (uint32_t cpu=0; cpu < UINT32_MAX; ++cpu) {
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- std::ifstream thread_siblings("/sys/devices/system/cpu"
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+ std::ifstream thread_siblings("/sys/devices/system/cpu/cpu"
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+ std::to_string(cpu) + "/topology/thread_siblings");
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+ std::to_string(cpu) + "/topology/thread_siblings");
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if (!thread_siblings.is_open()) {
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if (!thread_siblings.is_open()) {
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break; // no more cpus
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break; // no more cpus
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viric