可用的平台事件计数器由处理器制造商决定。
The available platform event counters are determined by the processor manufacturer.
同样还定义了每个架构事件计数器的阈值计数。
A threshold count for each architecture event counter is also defined.
CPU事件计数器可用来收集硬体的相关效能资料。
A CPU event counter is used to collect hardware-specific performance data.
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