Length-of-the-curve stress metric for improved characterization of computer system reliability
First Claim
1. A method for characterizing the reliability of a computer system, comprising:
- collecting samples of a performance parameter from the computer system;
computing a length of a line between the samples, wherein the line includes a component which is proportionate to a difference between values of the samples and a component which is proportionate to a time interval between the samples; and
adding the computed length to a cumulative length variable which can be used to characterize the reliability of the computer system.
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Abstract
Embodiments of the present invention provide a system that characterizes the reliability of a computer system. The system first collects samples of a performance parameter from the computer system. Next, the system computes the length of a line between the samples, wherein the line includes a component which is proportionate to a difference between values of the samples and a component which is proportionate to a time interval between the samples. The system then adds the computed length to a cumulative length variable which can be used to characterize the reliability of the computer system.
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Citations
20 Claims
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1. A method for characterizing the reliability of a computer system, comprising:
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collecting samples of a performance parameter from the computer system; computing a length of a line between the samples, wherein the line includes a component which is proportionate to a difference between values of the samples and a component which is proportionate to a time interval between the samples; and adding the computed length to a cumulative length variable which can be used to characterize the reliability of the computer system. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus for characterizing the reliability of a computer system, comprising:
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a collection mechanism configured to collect samples of a performance parameter from the computer system; a computation mechanism configured to compute a length of a line between the samples, wherein the line includes a component which is proportionate to a difference between values of the samples and a component which is proportionate to a time interval between the samples; and an adding mechanism configured to add the computed length to a cumulative length variable which can be used to characterize the reliability of the computer system. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. A computer system that characterizes reliability, comprising:
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a processor; a memory coupled to the processor, wherein the memory is configured to store instructions and data for the processor; a collection mechanism configured to collect samples of a performance parameter from the computer system; a computation mechanism configured to compute a length of a line between the samples, wherein the line includes a component which is proportionate to a difference between values of the samples and a component which is proportionate to a time interval between the samples; and an adding mechanism configured to add the computed length to a cumulative length variable which can be used to characterize the reliability of the computer system. - View Dependent Claims (18, 19, 20)
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Specification