记录硬件的作用，比如缓冲失效。
如果发生D -cache失效(处理器无法在D - cache中找到数据)，那么发出一个中断，让相应的寄存器可以通过增加它的值记录这一事件。
If a D-cache miss (the processor fails to find data in the D-cache) occurs, an interrupt is raised so that the corresponding register can record this event by increasing its value.
TestCase扩展了assert，后者定义了一些有用的static assert {something}(. .)方法，以检查和记录失效。
TestCase extends assert, which defines a number of useful static assert {something} (..) methods for checking and logging failures.
根据信号历史记录值，通过特定的预测算法可以获得链路失效时间的预测值。
The prediction is based on the signal history of a link and activated by a prediction algorithm.
对这些中断必须跟踪，以建立失效的服务提供记录，结果数据对获得失败的服务提供进行补偿以及帮助改进服务计划是必不可缺的。
These outages must be tracked to build a record of failed service delivery. The resulting data is essential to gain compensation for failed service delivery and to help plan for service improvements.
对这些中断必须跟踪，以建立失效的服务提供记录，结果数据对获得失败的服务提供进行补偿以及帮助改进服务计划是必不可缺的。
These outages must be tracked to build a record of failed service delivery. The resulting data is essential to gain compensation for failed service delivery and to help plan for service improvements.
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