一些工具支持快速诊断性能问题，而另一些工具则捕获历史趋势和分析数据。
Some of the tools allow you to troubleshoot a performance problem quickly while others capture data for historical trending and analysis.
短期历史数据的性能计数器可以自动聚合在一起并用于长期趋势分析。
Performance counters of short-term history are automatically aggregated and can be used for long-term trend analysis.
它允许基于历史记录分析和趋势来分析应用程序的性能。
It lets you analyze application performance based on historical analysis and trends.
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