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31. 发明授权

US07051026B2 System and method for monitoring software locks 失效
标题翻译：用于监控软件锁的系统和方法
公开(公告)号：US07051026B2
公开(公告)日：2006-05-23
申请号：US10210832
申请日：2002-07-31
申请人： Robert Francis Berry , Robert Todd Dimpsey , Benjamin Joseph Hoflich , Frank Eliot Levine , Enio Manuel Pineda
发明人： Robert Francis Berry , Robert Todd Dimpsey , Benjamin Joseph Hoflich , Frank Eliot Levine , Enio Manuel Pineda
IPC分类号： G06F17/30
CPC分类号： G06F11/3466 , G06F9/526 , G06F11/3419 , G06F12/0253 , G06F2201/825 , G06F2201/86 , G06F2201/865 , G06F2201/88 , Y10S707/99938 , Y10S707/99942 , Y10S707/99953
摘要： A system and method for monitoring software locks is presented. Metric data collection is invoked only when thin lock contention arises in a computer system's application layer. Instrumentation in a computer system's middleware layer tracks time-based metric information such as a waiting time for an application to acquire a lock. Instrumentation tracks garbage collection events and removes garbage collection time durations from time-based metric data as to not distort time-based metric data. Instrumentation also tracks quantity-based events such as the number of applications that request a particular lock. An instrumentation user may retrieve metric data for computer system performance analysis.
摘要翻译：提出了一种用于监控软件锁的系统和方法。只有在计算机系统的应用层出现薄锁争用时才调用公制数据采集。计算机系统中间件层中的仪器跟踪基于时间的度量信息，例如应用程序获取锁定的等待时间。仪器跟踪垃圾收集事件，并从基于时间的度量标准数据中删除垃圾收集时间，以防止基于时间的度量标准数据。仪器还跟踪基于数量的事件，例如请求特定锁的应用程序的数量。仪器用户可以检索计算机系统性能分析的度量数据。

32. 发明授权

US06708169B1 Apparatus and method for generating a merged symbol file for verifying symbolic data 失效
标题翻译：用于生成用于验证符号数据的合并符号文件的装置和方法
公开(公告)号：US06708169B1
公开(公告)日：2004-03-16
申请号：US09613095
申请日：2000-07-10
申请人： Robert Francis Berry , Chester Charles John, Jr. , Frank Eliot Levine , Christopher Michael Richardson , Robert J. Urquhart
发明人： Robert Francis Berry , Chester Charles John, Jr. , Frank Eliot Levine , Christopher Michael Richardson , Robert J. Urquhart
IPC分类号： G06F1730
CPC分类号： G06F11/3466 , G06F2201/865 , Y10S707/99936 , Y10S707/99937 , Y10S707/99944
摘要： An apparatus and method for cataloging symbolic data for use in performance analysis of computer programs is provided. The apparatus and method stores symbolic data for loaded modules during or shortly after a performance trace and utilizes the stored symbolic data when performing a performance analysis at a later time. A merged symbol file is generated for a computer program, or application, under trace. The merged symbol file contains information useful in performing symbolic resolution of address information in trace files for each instance of a module. During post processing of the trace information generated by a performance trace of a computer program, symbolic information stored in the merged symbol file is compared to the trace information stored in the trace file. The correct symbolic information in the merged symbol file for loaded modules is identified based a number of validating criteria. The correct symbolic information for the loaded modules may then be stored as an indexed database that is used to resolve address information into corresponding symbolic information when providing the trace information to a display for use by a user.
摘要翻译：提供了一种用于对符号数据进行编目以用于计算机程序的性能分析的装置和方法。该装置和方法在性能跟踪期间或不久之后存储加载模块的符号数据，并且在稍后执行性能分析时利用所存储的符号数据。为跟踪的计算机程序或应用程序生成合并的符号文件。合并的符号文件包含有助于在模块的每个实例的跟踪文件中执行地址信息的符号解析。在由计算机程序的性能跟踪产生的跟踪信息的后处理中，将存储在合并的符号文件中的符号信息与存储在跟踪文件中的跟踪信息进行比较。基于多个验证标准来识别加载模块的合并符号文件中的正确符号信息。然后可以将加载的模块的正确符号信息存储为索引数据库，该索引数据库用于在向显示器提供跟踪信息以供用户使用时将地址信息解析为对应的符号信息。

33. 发明授权

US06658654B1 Method and system for low-overhead measurement of per-thread performance information in a multithreaded environment 失效
标题翻译：在多线程环境中对每线程性能信息进行低开销测量的方法和系统
公开(公告)号：US06658654B1
公开(公告)日：2003-12-02
申请号：US09612348
申请日：2000-07-06
申请人： Robert Francis Berry , Robert Tod Dimpsey , Frank Eliot Levine , Enio Manuel Pineda , Robert John Urquhart
发明人： Robert Francis Berry , Robert Tod Dimpsey , Frank Eliot Levine , Enio Manuel Pineda , Robert John Urquhart
IPC分类号： G06F944
CPC分类号： G06F11/3466 , G06F11/3409 , G06F2201/86 , G06F2201/865 , G06F2201/88
摘要： A low-overhead performance measurement of an application executing in a data processing system is provided in order to generate per-thread performance information in a multithreaded environment. While a first set of events is being monitored for a particular thread as a first metric, events that may indirectly cause inaccuracies in the first metric, such as thread switches, are also monitored as a second metric. The presence of a positive value for the second metric is then used to determine that the first metric is inaccurate or unreliable, after which the first metric may be discarded; otherwise, the first metric is considered accurate. For example, the first metric may then be considered a thread-relative metric as it has been observed during a time period in which no thread switch events or interrupt events would have caused the first metric to become inaccurate during the execution of a particular thread.
摘要翻译：提供在数据处理系统中执行的应用的低开销性能测量，以便在多线程环境中生成每线程性能信息。虽然正在将特定线程的第一组事件作为第一度量被监视，但是也可以间接地导致第一度量中的错误（例如线程切换）的事件作为第二度量被监视。然后使用第二度量的正值的存在来确定第一度量不准确或不可靠，之后可以丢弃第一度量; 否则，第一个度量被认为是准确的。例如，可以将第一度量视为线程相对度量，如在其中没有线程切换事件或中断事件将导致第一度量在特定线程的执行期间变得不准确的时间段期间观察到的。

34. 发明授权

US06658416B1 Apparatus and method for creating an indexed database of symbolic data for use with trace data of a computer program 失效
标题翻译：用于创建与计算机程序的跟踪数据一起使用的符号数据的索引数据库的装置和方法
公开(公告)号：US06658416B1
公开(公告)日：2003-12-02
申请号：US09613101
申请日：2000-07-10
申请人： Riaz Y. Hussain , Chester Charles John, Jr. , Frank Eliot Levine , Christopher Michael Richardson , Robert J. Urguhart
发明人： Riaz Y. Hussain , Chester Charles John, Jr. , Frank Eliot Levine , Christopher Michael Richardson , Robert J. Urguhart
IPC分类号： G06F1730
CPC分类号： G06F11/3466 , G06F2201/865 , Y10S707/99931
摘要： An apparatus and method for cataloging symbolic data for use in performance analysis of computer programs is provided. The apparatus and method stores symbolic data for loaded modules during or shortly after a performance trace and utilizes the stored symbolic data when performing a performance analysis at a later time. A merged symbol file is generated for a computer program, or application, under trace. The merged symbol file contains information useful in performing symbolic resolution of address information in trace files for each instance of a module. During post processing of the trace information generated by a performance trace of a computer program, symbolic information stored in the merged symbol file is compared to the trace information stored in the trace file. The correct symbolic information in the merged symbol file for loaded modules is identified based a number of validating criteria. The correct symbolic information for the loaded modules may then be stored as an indexed database that is used to resolve address information into corresponding symbolic information when providing the trace information to a display for use by a user.
摘要翻译：提供了一种用于对符号数据进行编目以用于计算机程序的性能分析的装置和方法。该装置和方法在性能跟踪期间或不久之后存储加载模块的符号数据，并且在稍后执行性能分析时利用所存储的符号数据。为跟踪的计算机程序或应用程序生成合并的符号文件。合并的符号文件包含有助于在模块的每个实例的跟踪文件中执行地址信息的符号解析。在由计算机程序的性能跟踪产生的跟踪信息的后处理中，将存储在合并的符号文件中的符号信息与存储在跟踪文件中的跟踪信息进行比较。基于多个验证标准来识别加载模块的合并符号文件中的正确符号信息。然后可以将加载的模块的正确符号信息存储为索引数据库，该索引数据库用于在向显示器提供跟踪信息以供用户使用时将地址信息解析为对应的符号信息。

35. 发明授权

US06332117B1 General event stamping scheme 有权
标题翻译：一般事件冲压计划
公开(公告)号：US06332117B1
公开(公告)日：2001-12-18
申请号：US09177035
申请日：1998-10-22
申请人： Robert Francis Berry , Riaz Y. Hussain , Chester Charles John, Jr. , Frank Eliot Levine , Robert John Urquhart
发明人： Robert Francis Berry , Riaz Y. Hussain , Chester Charles John, Jr. , Frank Eliot Levine , Robert John Urquhart
IPC分类号： G06F1500
CPC分类号： G06F11/3466 , G06F11/3409 , G06F2201/835 , G06F2201/86 , G06F2201/88 , G06F2201/885
摘要： During the recording of events occurring within the operation of a data processing system, a user-selected metric of interest is recorded along with the trace data for each recorded event. The metric of interest is a monotonically increasing variable that provides a non-time relationship between the recorded events. This relationship may be time or non-time based.
摘要翻译：在记录在数据处理系统的操作期间发生的事件期间，记录用户选择的感兴趣度量以及每个记录事件的跟踪数据。感兴趣的度量是单调递增的变量，其在记录的事件之间提供非时间关系。这种关系可能是时间或非时间的。

36. 发明授权

US06311325B1 Method and apparatus for profiling processes in a data processing system background of the invention 有权
标题翻译：用于数据处理系统中的分析过程的方法和装置
公开(公告)号：US06311325B1
公开(公告)日：2001-10-30
申请号：US09177031
申请日：1998-10-22
申请人： Frank Eliot Levine , Robert Francis Berry , Chester Charles John, Jr , Riaz Yousuf Hussain
发明人： Frank Eliot Levine , Robert Francis Berry , Chester Charles John, Jr , Riaz Yousuf Hussain
IPC分类号： G06F945
CPC分类号： G06F11/3466 , G06F11/3471 , G06F2201/88
摘要： A method and apparatus in a data processing system for profiling code for processes executing in a data processing system. Trace data is recorded in response to a selected interrupt, wherein the trace data includes an indication of which code is being interrupted. The trace data is processed to identify whether the interrupted code is interpreted code.
摘要翻译：一种数据处理系统中用于对在数据处理系统中执行的处理进行分析代码的方法和装置。响应于所选择的中断记录跟踪数据，其中跟踪数据包括哪个代码被中断的指示。处理跟踪数据以识别中断代码是否被解释代码。

37. 发明授权

US06249906B1 Adaptive method and system to minimize the effect of long table walks 失效
标题翻译：自适应方法和系统，以最大限度地减少长桌散步的影响
公开(公告)号：US06249906B1
公开(公告)日：2001-06-19
申请号：US09105581
申请日：1998-06-26
申请人： Frank Eliot Levine , Charles Philip Roth
发明人： Frank Eliot Levine , Charles Philip Roth
IPC分类号： G06N945
CPC分类号： G06F8/4442
摘要： Current software technology entails writing application programs in a high level language intended to facilitate portability to different computer processor platforms. Because the program is portable, the resulting object code is not tailored to run as efficiently as possible on the particular computer processor platform. Manually tuning a specific application program may be done, but it is time consuming and is rarely done by the end user. The disclosed invention provides an automated method of tuning application programs to execute more efficiently. Based on several system parameters provided by the user, the disclosed method comprises profiling an application to determine where significant delays are occurring that result from long table walks, constructing effective address tables to identify the effective addresses associated with the most significant delays, optimizing the placement of preload or touch instructions that initiate execution of identified instructions prior to their placement in the program sequence, building an optimized change file, and applying the optimized change file to the object code. The optimized change file may be inserted into the object code on a real-time basis.
摘要翻译：目前的软件技术需要以高级语言编写应用程序，以便于移植到不同的计算机处理器平台。由于该程序是便携式的，所产生的目标代码不能在特定的计算机处理器平台上尽可能高效地运行。可以手动调整特定的应用程序，但是它是耗时的，并且很少由最终用户完成。所公开的发明提供了一种自动化的方法来调整应用程序以更有效地执行。基于由用户提供的几个系统参数，所公开的方法包括对应用进行轮廓分析，以确定长时间走行造成的显着延迟发生的时间，构建有效的地址表以识别与最重要延迟相关联的有效地址，优化放置的预加载或触摸指令，其在被放置在程序序列之前启动所识别的指令的执行，构建优化的改变文件，以及将优化的改变文件应用于目标代码。优化的更改文件可以被实时地插入到目标代码中。

38. 发明授权

US5894575A Method and system for initial state determination for instruction trace reconstruction 失效
标题翻译：指令跟踪重构初始状态确定方法和系统
公开(公告)号：US5894575A
公开(公告)日：1999-04-13
申请号：US758196
申请日：1996-11-25
申请人： Frank Eliot Levine , Bradley David McCredie , William John Starke , Edward Hugh Welbon
发明人： Frank Eliot Levine , Bradley David McCredie , William John Starke , Edward Hugh Welbon
IPC分类号： G06F11/36 , H04B17/00
CPC分类号： G06F11/3636
摘要： A method and system for determining an initial architectural state for instruction trace reconstruction. Performance projections for processor systems and memory subsystems are important for a correct understanding of work loads within the system. An instruction trace is generally utilized to determine distribution of instructions, identification of register dependencies, branch path analyses and timing. One well-known technique for reconstructing an instruction trace can be accomplished by monitoring bus traffic to determine instruction addresses, data addresses and data during the trace. However, the initial architectural state (the state of all caches, buffers and registers) must be determined in order to accurately reconstruct an instruction trace. At least one cache within the processor system is divided into two portions, the content of that cache is invalidated and each cache entry thereafter is duplicated within each portion of the divided cache. Upon initiation of an instruction trace, one half of the cache is frozen, preserving the initial state of the system with respect to that cache without requiring the cache to be invalidated and refilled during the instruction trace, so that the initial state may be utilized to reconstruct an instruction trace in combination with the monitored bus traffic.
摘要翻译：一种用于确定指令跟踪重构的初始架构状态的方法和系统。处理器系统和内存子系统的性能预测对于正确了解系统内的工作负载非常重要。通常使用指令轨迹来确定指令的分配，寄存器依赖性的识别，分支路径分析和定时。可以通过监视总线流量来确定跟踪期间的指令地址，数据地址和数据来实现重建指令轨迹的一种众所周知的技术。但是，必须确定初始架构状态（所有高速缓存，缓冲器和寄存器的状态），以便精确地重构指令轨迹。处理器系统内的至少一个高速缓存被分成两部分，该高速缓存的内容被无效，并且之后的每个高速缓存条目在分割高速缓存的每个部分内被复制。在开始指令跟踪时，缓存的一半被冻结，保持系统相对于该高速缓存的初始状态，而不需要在指令跟踪期间使高速缓存无效并重新填充，使得初始状态可被用于结合监控的总线流量重建指令轨迹。

39. 发明授权

US08615619B2 Qualifying collection of performance monitoring events by types of interrupt when interrupt occurs 有权
标题翻译：当中断发生时，通过中断类型对性能监视事件进行合格收集
公开(公告)号：US08615619B2
公开(公告)日：2013-12-24
申请号：US13004153
申请日：2011-01-11
申请人： Jimmie Earl DeWitt, Jr. , Frank Eliot Levine , Christopher Michael Richardson , Robert John Urquhart
发明人： Jimmie Earl DeWitt, Jr. , Frank Eliot Levine , Christopher Michael Richardson , Robert John Urquhart
IPC分类号： G06F13/24 , G06F9/44 , G01R31/28
CPC分类号： G06F13/24 , G06F11/3466 , G06F11/348 , G06F2201/86 , G06F2201/88 , G06F2201/885
摘要： A method, apparatus, and computer instructions for qualifying events by types of interrupt when interrupt occurs in the processor of a data processing system. A programmable performance monitoring unit (PMU) is used to program hardware counters that collect events associated with a type of interrupt, including nested interrupts. The performance monitoring unit may also count events that occur while servicing interrupt requests based upon the state of interrupt processing. Events that are known to the performance monitoring unit such as instruction retired, TLB misses, may be counted at the same time using a number of performance monitoring counters in the performance monitoring unit.
摘要翻译：一种用于在数据处理系统的处理器中发生中断时通过中断类型对事件进行限定的方法，装置和计算机指令。可编程性能监控单元（PMU）用于对收集与一种中断类型相关的事件（包括嵌套中断）的硬件计数器进行编程。性能监视单元还可以基于中断处理的状态来计算在服务中断请求时发生的事件。性能监控单元已知的事件，如指令退出，TLB未命中，可以同时使用性能监视单元中的多个性能监视计数器进行计数。

40. 发明申请

US20120311543A1 REMOVAL OF ASYNCHRONOUS EVENTS IN COMPLEX APPLICATION PERFORMANCE ANALYSIS 有权
标题翻译：在复杂应用性能分析中去除异常事件
公开(公告)号：US20120311543A1
公开(公告)日：2012-12-06
申请号：US13585320
申请日：2012-08-14
申请人： William Preston Alexander, III , Robert Tod Dimpsey , Frank Eliot Levine , Robert John Urquhart
发明人： William Preston Alexander, III , Robert Tod Dimpsey , Frank Eliot Levine , Robert John Urquhart
IPC分类号： G06F9/44
CPC分类号： G06F8/443
摘要： A method and apparatus for identifying a minimum call tree data structure from a plurality of call tree data structures are provided. With the apparatus and method, call tree data structures are generated for two or more executions of a build of a computer program. The apparatus and method perform a “tree-minimization” operation in which the two or more call trees generated during runs of the computer program are walked and only those nodes that are present in each of the tree data structures are maintained in a minimized tree data structure. In addition, the minimum values for these common nodes are maintained in the minimized tree data structure. In this way, asynchronous events are removed from the minimum tree data structure and analysis may focus on those areas of the computer program that are consistent between runs of the computer program.
摘要翻译：提供了一种用于从多个呼叫树数据结构中识别最小呼叫树数据结构的方法和装置。利用该装置和方法，生成用于构建计算机程序的两个或多个执行的调用树数据结构。该装置和方法执行树最小化操作，其中在计算机程序的运行期间生成的两个或更多个调用树被行走，并且仅存在于每个树数据结构中的那些节点被保持在最小化的树数据结构中。此外，这些公共节点的最小值保持在最小化的树数据结构中。以这种方式，从最小树数据结构中去除异步事件，并且分析可以集中在计算机程序的运行之间一致的计算机程序的那些区域。

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