User Guide


Thread Oversubscription

Metric Description

Thread Oversubscription indicates time spent in the code with the number of simultaneously working threads more than the number of available logical cores on the system.

Possible Issues

Significant amount of time application spent in thread oversubscription. This can negatively impact parallel performance because of thread preemption and context switch cost.

Product and Performance Information


Performance varies by use, configuration and other factors. Learn more at