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Application Scenarios

  1. The VM lock optimization feature targets vCPU overcommitment scenarios with core-bound vCPUs, where multiple vCPU threads contend for resources on shared physical cores.
  2. Using a coordinated frontend-backend approach, the feature tracks vCPU thread preemption to refine scheduling and lock efficiency. It improves performance in CPU scheduling operations such as mutex_spin_on_owner, mutex_can_spin_on_owner, rtmutex_spin_on_owner, osq_lock, and available_idle_cpu.
Parent topic: Feature Description