Intel® VTune™ Amplifier XE and Intel® VTune™ Amplifier for Systems Help

Overhead Time

Metric Description

Overhead time is CPU time spent on the overhead of known synchronization and threading libraries, such as system synchronization APIs, Intel TBB, and OpenMP.

Possible Issues

A significant portion of CPU time is spent in synchronization or threading overhead. Consider increasing task granularity or the scope of data synchronization.

Parent topic: CPU Metrics Reference

See Also

Reference for Performance Metrics