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51. 发明授权

US08046637B2 Telemetry data filtering through sequential analysis 有权
标题翻译：遥测数据过滤通过顺序分析
公开(公告)号：US08046637B2
公开(公告)日：2011-10-25
申请号：US12399655
申请日：2009-03-06
申请人： Kenny C. Gross , Kalyanaraman Vaidyanathan , Michelle C. Murrett
发明人： Kenny C. Gross , Kalyanaraman Vaidyanathan , Michelle C. Murrett
IPC分类号： G06F11/00
CPC分类号： G06F11/079 , G06F11/0724 , G06F11/0748 , G06F11/0793
摘要： One embodiment provides a system that analyzes telemetry data from a computer system. During operation, the system periodically obtains the telemetry data from the computer system. Next, the system preprocesses the telemetry data using a sequential-analysis technique. If a statistical deviation is found in the telemetry data using the sequential-analysis technique, the system identifies a subset of the telemetry data associated with the statistical deviation and applies a root-cause-analysis technique to the subset of the telemetry data to determine a source of the statistical deviation. Finally, the system uses the source of the statistical deviation to perform a remedial action for the computer system, which involves correcting a fault in the computer system corresponding to the source of the statistical deviation.
摘要翻译：一个实施例提供了一种从计算机系统分析遥测数据的系统。在运行期间，系统定期从计算机系统获取遥测数据。接下来，系统使用顺序分析技术预处理遥测数据。如果在使用顺序分析技术的遥测数据中发现统计偏差，则系统识别与统计偏差相关联的遥测数据的子集，并将根因分析技术应用于遥测数据的子集，以确定来源的统计偏差。最后，系统使用统计偏差的来源对计算机系统执行补救措施，包括纠正与统计偏差来源相对应的计算机系统中的故障。

52. 发明授权

US07991961B1 Low-overhead run-time memory leak detection and recovery 有权
标题翻译：低开销运行时内存泄漏检测和恢复
公开(公告)号：US07991961B1
公开(公告)日：2011-08-02
申请号：US11872626
申请日：2007-10-15
申请人： Timothy K. Tsai , Kalyanaraman Vaidyanathan , Kenny Clayton Gross
发明人： Timothy K. Tsai , Kalyanaraman Vaidyanathan , Kenny Clayton Gross
IPC分类号： G06F12/00
CPC分类号： G06F12/0253 , G06F11/0715 , G06F11/0751 , G06F11/0793
摘要： Leaked memory in a computer system is detected and recovered by first detecting memory leakage within the computer system based on nonlinear and non-parametric time-series regression analysis of software telemetry data generated by one or more software process running on the computer system. If existence of memory leakage is detected, then memory that has leaked is specifically identified and recovered. This is done by halting one or more of the software processes, generating a core image file or files of the halted software process(es), and re-starting the halted process or processes without waiting for analysis of the core image file(s). Then, the core image file is evaluated to specifically identify leaked memory in the computer system based on the core image file. Finally, the identified leaked memory is recovered.
摘要翻译：基于在计算机系统上运行的一个或多个软件进程产生的软件遥测数据的非线性和非参数时间序列回归分析，首先检测计算机系统内的存储器泄漏来检测和恢复计算机系统中的泄漏存储器。如果检测到内存泄漏的存在，则会特别识别和恢复已泄漏的内存。这是通过停止一个或多个软件进程，生成核心映像文件或停止的软件进程的文件，以及重新启动暂停的进程或进程，而不必等待核心映像文件的分析，。然后，核心图像文件被评估为基于核心图像文件专门识别计算机系统中的泄漏存储器。最后，识别的泄漏的内存被恢复。

53. 发明授权

US07941283B2 Determining the flow rate of air in a computer system 有权
标题翻译：确定计算机系统中的空气流量
公开(公告)号：US07941283B2
公开(公告)日：2011-05-10
申请号：US12331834
申请日：2008-12-10
申请人： Kenny C. Gross , Kalyanaraman Vaidyanathan
发明人： Kenny C. Gross , Kalyanaraman Vaidyanathan
IPC分类号： G01K13/00 , G06F17/40
CPC分类号： G01F1/684 , G01F1/6842 , G01F1/6965
摘要： Some embodiments of the present invention provide a system that determines a flow rate of air along an airflow path in a computer system. During operation the system monitors a first temperature profile from a first temperature sensor located in a first position in the airflow path, and monitors a second temperature profile from a second temperature sensor located in a second position in the airflow path, wherein the first position is upstream in the airflow path from the second position, and wherein the first position and the second position are separated by a predetermined distance along the airflow path. Next, the system computes a cross-power spectral density based on the first temperature profile and the second temperature profile. Then, the system determines a flow rate of air in the computer system based on the cross-power spectral density.
摘要翻译：本发明的一些实施例提供了一种确定沿计算机系统中的气流路径的空气流量的系统。在操作期间，系统监测来自位于气流路径中的第一位置的第一温度传感器的第一温度分布，并且监测来自位于气流路径中的第二位置的第二温度传感器的第二温度分布，其中第一位置是在第二位置的气流路径中上游，并且其中第一位置和第二位置沿着气流路径分开预定距离。接下来，系统基于第一温度曲线和第二温度曲线来计算交叉功率谱密度。然后，系统基于交叉功率谱密度来确定计算机系统中的空气流量。

54. 发明授权

US07925873B2 Method and apparatus for controlling operating parameters in a computer system 有权
标题翻译：用于控制计算机系统中的操作参数的方法和装置
公开(公告)号：US07925873B2
公开(公告)日：2011-04-12
申请号：US12048115
申请日：2008-03-13
申请人： Kalyanaraman Vaidyanathan , Kenny C. Gross , Ramakrishna C. Dhanekula
发明人： Kalyanaraman Vaidyanathan , Kenny C. Gross , Ramakrishna C. Dhanekula
IPC分类号： G06F9/00 , G01R21/00 , G21C17/00
CPC分类号： G06F1/08 , G06F1/3203
摘要： A system that controls one or more operating parameters in a computer system is presented. Until specified values for one or more operating parameters are achieved, the system performs the following operations. The system operates the computer system using a specified load profile. The system then determines whether the specified load profile produces the specified values for the one or more operating parameters. If the specified load profile does not produce the specified values for the one or more operating parameters, the system adjusts the specified load profile, which involves using a pulse-width modulation technique to adjust a duty cycle between a first workload and a second workload.
摘要翻译：提出了一种控制计算机系统中的一个或多个操作参数的系统。在达到一个或多个操作参数的指定值之前，系统将执行以下操作。系统使用指定的负载配置文件操作计算机系统。然后，系统确定指定的负载配置文件是否为一个或多个运行参数生成指定的值。如果指定的负载曲线不为一个或多个运行参数产生指定的值，则系统调整指定的负载曲线，其中涉及使用脉冲宽度调制技术来调整第一个工作负载和第二个工作负载之间的占空比。

55. 发明申请

US20100296383A1 REDUCED ENERGY CONSUMPTION USING ACTIVE VIBRATION CONTROL 有权
标题翻译：使用主动振动控制降低能源消耗
公开(公告)号：US20100296383A1
公开(公告)日：2010-11-25
申请号：US12469023
申请日：2009-05-20
申请人： Kenny C. Gross , Kalyanaraman Vaidyanathan , Aleksey M. Urmanov
发明人： Kenny C. Gross , Kalyanaraman Vaidyanathan , Aleksey M. Urmanov
IPC分类号： G11B17/00
CPC分类号： G11B33/144 , G11B19/042 , G11B33/08
摘要： Embodiments of a computer system that includes a vibration-cancelling mode, and a related method and computer-program product (e.g., software) for use with the computer system, are described. During operation, a processor monitors operations in the computer system, and may select either the vibration-cancelling mode or an inactive mode based on the monitored operations. For example, the processor may select the vibration-cancelling mode when there are input/output-(I/O) intensive workloads to an array of one or more hard disk drives (HDDs) in the computer system. In this way, the processor may reduce the energy consumption associated with vibration-induced retries to the HDDs (and reduced I/O throughput) without increasing the energy consumption associated with active vibration damping at other times, such as when the computer system is idle or during processor-intensive workloads.
摘要翻译：描述了包括振动消除模式的计算机系统的实施例，以及与计算机系统一起使用的相关方法和计算机程序产品（例如，软件）。在操作期间，处理器监视计算机系统中的操作，并且可以基于所监视的操作来选择振动消除模式或不活动模式。例如，当计算机系统中的一个或多个硬盘驱动器（HDD）的阵列存在输入/输出（I / O）密集型工作负载时，处理器可以选择振动消除模式。以这种方式，处理器可以减少与振动引起的对HDD的重试相关的能量消耗（和降低的I / O吞吐量），而不会增加与其他时间的主动减振相关联的能量消耗，例如当计算机系统空闲时或在处理器密集型工作负载期间。

56. 发明授权

US07809984B2 In-situ thermal margining of computer systems for enhanced reliability testing 有权
标题翻译：计算机系统的原位热裕度增强可靠性测试
公开(公告)号：US07809984B2
公开(公告)日：2010-10-05
申请号：US11787026
申请日：2007-04-12
申请人： Kalyanaraman Vaidyanathan , Kenny C. Gross
发明人： Kalyanaraman Vaidyanathan , Kenny C. Gross
IPC分类号： G06F11/00
CPC分类号： G06F11/008 , G05D23/1917 , G06F11/24
摘要： Embodiments of the present invention provide a system that dynamically controls a temperature profile within a computer system by generating computer system activity. The system starts by receiving a desired temperature profile. The system then generates a load profile based on the desired temperature profile, wherein the load profile specifies operations to be performed by the computer system. The system next executes the load profile on the computer system to generate computer system activity, wherein the computer system activity causes the desired temperature profile in the computer system.
摘要翻译：本发明的实施例提供一种通过产生计算机系统活动来动态地控制计算机系统内的温度分布的系统。系统通过接收所需的温度曲线开始。然后，系统基于期望的温度曲线生成负载曲线，其中负载曲线指定要由计算机系统执行的操作。系统接下来执行计算机系统上的负载曲线以产生计算机系统活动，其中计算机系统活动导致计算机系统中期望的温度分布。

57. 发明申请

US20100162026A1 METHOD AND APPARATUS FOR ACCURATELY SYNCHRONIZING SIGNALS RELATED TO THE OPERATION OF A COMPUTER SYSTEM 有权
标题翻译：与计算机系统运行相关的精确同步信号的方法和装置
公开(公告)号：US20100162026A1
公开(公告)日：2010-06-24
申请号：US12340239
申请日：2008-12-19
申请人： Kenny C. Gross , Kalyanaraman Vaidyanathan
发明人： Kenny C. Gross , Kalyanaraman Vaidyanathan
IPC分类号： G06F13/42
CPC分类号： G06F11/3409 , G06F11/3058 , G06F11/3093 , Y02D10/34
摘要： Some embodiments of the present invention provide a system that accurately synchronizes signals related to the operation of a computer system. During operation, the system receives a first time-domain signal associated with a first system variable and a second time-domain signal associated with a second system variable from the computer system. The system then transforms the first and the second time-domain signals into a first frequency-domain signal and a second frequency-domain signal, respectively. Next, the system computes a cross-power-spectral-density (CPSD) between the first and second frequency-domain signals to obtain a phase angle versus frequency graph between the two frequency-domain signals. The system subsequently extracts the slope of the phase angle versus frequency graph, and uses the value of the slope to synchronize the first time-domain signal and the second time-domain signal.
摘要翻译：本发明的一些实施例提供了一种能够精确地同步与计算机系统的操作有关的信号的系统。在操作期间，系统从计算机系统接收与第一系统变量相关联的第一时域信号和与第二系统变量相关联的第二时域信号。然后，系统将第一和第二时域信号分别转换成第一频域信号和第二频域信号。接下来，系统计算第一和第二频域信号之间的交叉功率谱密度（CPSD），以获得两个频域信号之间的相位角对频率图。系统随后提取相位角与频率图的斜率，并使用斜率值来同步第一时域信号和第二时域信号。

58. 发明申请

US20100024555A1 Controlling a device that generates vibrations in a computer system 有权
标题翻译：控制在计算机系统中产生振动的设备
公开(公告)号：US20100024555A1
公开(公告)日：2010-02-04
申请号：US12220952
申请日：2008-07-29
申请人： Kenny C. Gross , Aleksey M. Urmanov , Kalyanaraman Vaidyanathan
发明人： Kenny C. Gross , Aleksey M. Urmanov , Kalyanaraman Vaidyanathan
IPC分类号： G01N29/12
CPC分类号： G01N29/12 , G01N29/4427
摘要： Some embodiments of the present invention provide a system that controls a device that generates vibrations in a computer system. During operation, a critical vibration frequency is determined for the computer system. Next, a keep-out zone is generated based on the critical vibration frequency, wherein the keep-out zone specifies a range of frequencies to be avoided. Then, the device is controlled based on the keep-out zone to reduce vibrations generated by the device in the keep-out zone.
摘要翻译：本发明的一些实施例提供一种控制在计算机系统中产生振动的装置的系统。在运行期间，确定计算机系统的临界振动频率。接下来，基于临界振动频率产生保持区域，其中保持区域指定要避免的频率范围。然后，基于保持区域来控制设备，以减少设备在保持区域中产生的振动。

59. 发明申请

US20090282230A1 GENERATING A LOAD PROFILE FOR A COMPUTER SYSTEM 有权
标题翻译：为计算机系统生成负载配置文件
公开(公告)号：US20090282230A1
公开(公告)日：2009-11-12
申请号：US12117993
申请日：2008-05-09
申请人： Kalyanaraman Vaidyanathan , Kenny C. Gross
发明人： Kalyanaraman Vaidyanathan , Kenny C. Gross
IPC分类号： G06F9/06
CPC分类号： G06F11/3414 , G06F11/3433
摘要： Some embodiments of the present invention provide a system that generates a load for a computer system in accordance with a predetermined load profile. During operation, the load for the computer system is generated by modulating the load using pulse-width modulation, wherein the load is periodically cycled between at least two different test load levels so that a moving window average of the modulated load follows the predetermined load profile.
摘要翻译：本发明的一些实施例提供一种系统，该系统根据预定的负荷曲线生成计算机系统的负载。在运行期间，通过使用脉冲宽度调制来调制负载来产生计算机系统的负载，其中负载在至少两个不同的测试负载水平之间周期性循环，使得调制负载的移动窗口平均值遵循预定负载曲线。

60. 发明申请

US20090272176A1 ESTIMATING RELATIVE HUMIDITY INSIDE A COMPUTER SYSTEM 有权
标题翻译：计算机系统内的相对湿度估算
公开(公告)号：US20090272176A1
公开(公告)日：2009-11-05
申请号：US12114363
申请日：2008-05-02
申请人： Leoncio D. Lopez , Kenny C. Gross , Kalyanaraman Vaidyanathan
发明人： Leoncio D. Lopez , Kenny C. Gross , Kalyanaraman Vaidyanathan
IPC分类号： G01N7/00
CPC分类号： G06F11/00 , G06F11/3495
摘要： One embodiment of the present invention provides a system that estimates the relative humidity inside a computer system. During operation, a set of performance parameters of the computer system and an external relative humidity outside of the computer system are monitored. Then, the relative humidity inside the computer system is estimated based on the set of performance parameters, the external relative humidity, and a relative humidity model, wherein training of the relative humidity model includes measuring an external training relative humidity outside of the computer system and a training relative humidity inside the computer system while monitoring the set of performance parameters of the computer system.
摘要翻译：本发明的一个实施例提供一种估计计算机系统内的相对湿度的系统。在操作期间，监视计算机系统的一组性能参数和计算机系统外部的外部相对湿度。然后，基于性能参数，外部相对湿度和相对湿度模型的集合来估计计算机系统内的相对湿度，其中相对湿度模型的训练包括测量计算机系统外部的外部训练相对湿度，以及在计算机系统内训练相对湿度，同时监视计算机系统的一组性能参数。

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