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Using highly skewed clocks for application based tracing and application based normalization of processor clocks in an SMP environment
Using highly skewed clocks for application based tracing and application based normalization of processor clocks in an SMP environment
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机译:在SMP环境中使用高度偏斜的时钟进行基于应用程序的跟踪和处理器时钟的基于应用程序的标准化
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摘要
A computer-implemented method, for application based tracing and for normalization of processor clocks in a symmetric multiprocessor environment. By deliberately establishing a large skew among processor clocks, it is possible to perform application based tracing by directly using the processors. In addition, the identity, time stamp, and drift information of each processor may be used to create a time library. The time library is used to adjust a measured time to execute a program or software routine. The adjusted time is a normalized time that is statistically more accurate than the measured time alone. The adjusted time is then reported as the time to execute the program or software routine.
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