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    • 4. 发明授权
    • Method and apparatus for identifying mechanisms responsible for “no-trouble-found” (NTF) events in computer systems
    • 用于识别负责计算机系统中“无故障发现”(NTF)事件的机制的方法和装置
    • US07171586B1
    • 2007-01-30
    • US10739827
    • 2003-12-17
    • Kenny C. GrossAleksey M. UrmanovKornelija Zgonc
    • Kenny C. GrossAleksey M. UrmanovKornelija Zgonc
    • G06F11/00
    • G06F11/3414G06F11/3452G06F11/3466G06F2201/86G06F2201/87G06F2201/885
    • One embodiment of the present invention provides a technique for detecting anomalies during operation of a test computer system. Initially, a golden system and the test system are equipped with the same hardware configuration, wherein the golden system has gone through extensive qualification testing and is presumed to be operating correctly. Next, a deterministic load is executed on the golden system, and values for performance parameters from the golden system are monitored while the deterministic load is executing. Similarly, the deterministic load is also executed on the test system, and values for performance parameters from the test system are monitored while the deterministic load is executing. Next, pairwise differences are computed between values for performance parameters received from the test system and values for performance parameters received from the golden system. Finally, change detection techniques are applied to the pairwise differences to detect anomalies during operation of the test system.
    • 本发明的一个实施例提供一种用于在测试计算机系统的操作期间检测异常的技术。 最初,黄金系统和测试系统配备相同的硬​​件配置,其中黄金系统已经经过广泛的资格测试,并被认为是正常运行。 接下来,在黄金系统上执行确定性负载,并且在执行确定性负载时监视来自黄金系统的性能参数的值。 类似地,确定性负载也在测试系统上执行,并且在执行确定性负载时监视来自测试系统的性能参数的值。 接下来,在从测试系统接收的性能参数的值和从黄金系统接收的性能参数的值之间计算成对差异。 最后,将变化检测技术应用于成对差异,以检测测试系统运行过程中的异常情况。