インテル® VTune™ Amplifier 2018 ヘルプ

Lock Latency

Metric Description

This metric represents cycles fraction the CPU spent handling cache misses due to lock operations. Due to the microarchitecture handling of locks, they are classified as L1 Bound regardless of what memory source satisfied them.

Possible Issues

A significant fraction of CPU cycles spent handling cache misses due to lock operations. Due to the microarchitecture handling of locks, they are classified as L1 Bound regardless of what memory source satisfied them. Note that this metric value may be highlighted due to Store Latency issue.

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