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      Alibaba Eyes Linux CPU Scheduler Changes To Better Handle QEMU With SMT/HT Threads

      news.movim.eu / Phoronix • 20 July, 2023

    There is a phenomenon where running a multi-threaded workload inside a virtual machine (VM) with Simultaneously Multi-Threading (SMT / Intel Hyper Threading) that a sibling thread could find itself busy while the CPU core is idle. A new Linux CFS patch series aims to make the scheduler better adapt to the QEMU topology...