JP4467094B2 - プロセッサパイプラインにおいて多数の潜在的に同時の命令をサンプリングする装置 - Google Patents

プロセッサパイプラインにおいて多数の潜在的に同時の命令をサンプリングする装置 Download PDF

Info

Publication number
JP4467094B2
JP4467094B2 JP37553998A JP37553998A JP4467094B2 JP 4467094 B2 JP4467094 B2 JP 4467094B2 JP 37553998 A JP37553998 A JP 37553998A JP 37553998 A JP37553998 A JP 37553998A JP 4467094 B2 JP4467094 B2 JP 4467094B2
Authority
JP
Japan
Prior art keywords
instruction
instructions
pipeline
sampling
information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP37553998A
Other languages
English (en)
Japanese (ja)
Other versions
JPH11272520A5 (enExample
JPH11272520A (ja
Inventor
ゼット クリソス ジョージ
エイ ディーン ジェフリー
イー ヒックス ジェームズ
エル ライブホールズ ダニエル
ジェイ マックレーラン エドワード
エイ ウォールドスパージャー カール
イー ウィール ウィリアム
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HP Inc
Original Assignee
Hewlett Packard Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hewlett Packard Co filed Critical Hewlett Packard Co
Publication of JPH11272520A publication Critical patent/JPH11272520A/ja
Publication of JPH11272520A5 publication Critical patent/JPH11272520A5/ja
Application granted granted Critical
Publication of JP4467094B2 publication Critical patent/JP4467094B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
    • G06F11/3466—Performance evaluation by tracing or monitoring
    • G06F11/348—Circuit details, i.e. tracer hardware
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/30—Monitoring
    • G06F11/34—Recording or statistical evaluation of computer activity, e.g. of down time, of input/output operation ; Recording or statistical evaluation of user activity, e.g. usability assessment
    • G06F11/3466—Performance evaluation by tracing or monitoring

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Advance Control (AREA)
  • Debugging And Monitoring (AREA)
  • Image Processing (AREA)
JP37553998A 1997-11-26 1998-11-26 プロセッサパイプラインにおいて多数の潜在的に同時の命令をサンプリングする装置 Expired - Fee Related JP4467094B2 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/980,168 US6163840A (en) 1997-11-26 1997-11-26 Method and apparatus for sampling multiple potentially concurrent instructions in a processor pipeline
US08/980168 1997-11-26

Publications (3)

Publication Number Publication Date
JPH11272520A JPH11272520A (ja) 1999-10-08
JPH11272520A5 JPH11272520A5 (enExample) 2006-01-19
JP4467094B2 true JP4467094B2 (ja) 2010-05-26

Family

ID=25527392

Family Applications (1)

Application Number Title Priority Date Filing Date
JP37553998A Expired - Fee Related JP4467094B2 (ja) 1997-11-26 1998-11-26 プロセッサパイプラインにおいて多数の潜在的に同時の命令をサンプリングする装置

Country Status (4)

Country Link
US (1) US6163840A (enExample)
EP (1) EP0919924B1 (enExample)
JP (1) JP4467094B2 (enExample)
DE (1) DE69826418T2 (enExample)

Families Citing this family (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6367063B1 (en) * 1998-02-05 2002-04-02 Hughes Electronics Corporation Method and apparatus for selectively performing a plurality of logic operations and memory functions
US6748589B1 (en) 1999-10-20 2004-06-08 Transmeta Corporation Method for increasing the speed of speculative execution
GB2362481B (en) * 2000-05-09 2004-12-01 Rolls Royce Plc Fault diagnosis
US20020073406A1 (en) * 2000-12-12 2002-06-13 Darryl Gove Using performance counter profiling to drive compiler optimization
US8458754B2 (en) 2001-01-22 2013-06-04 Sony Computer Entertainment Inc. Method and system for providing instant start multimedia content
US7320065B2 (en) 2001-04-26 2008-01-15 Eleven Engineering Incorporated Multithread embedded processor with input/output capability
US6961769B2 (en) * 2001-09-20 2005-11-01 International Business Machines Corporation Method, apparatus, and program for measuring server performance using multiple clients
US7257516B2 (en) 2001-09-20 2007-08-14 International Business Machines Corporation Method, apparatus, and program for eliminating thread skew in multithreaded performance benchmarks
US20030088758A1 (en) * 2001-11-08 2003-05-08 Matthew Becker Methods and systems for determining valid microprocessor instructions
US20030135719A1 (en) * 2002-01-14 2003-07-17 International Business Machines Corporation Method and system using hardware assistance for tracing instruction disposition information
US7107585B2 (en) * 2002-07-29 2006-09-12 Arm Limited Compilation of application code in a data processing apparatus
US8374841B2 (en) * 2002-11-22 2013-02-12 Texas Instruments Incorporated Precise detection of triggers and trigger ordering for asynchronous events
US20060149927A1 (en) * 2002-11-26 2006-07-06 Eran Dagan Processor capable of multi-threaded execution of a plurality of instruction-sets
US7243214B2 (en) * 2003-04-21 2007-07-10 Intel Corporation Stall optimization for an in-order, multi-stage processor pipeline which analyzes current and next instructions to determine if a stall is necessary
US20050071612A1 (en) * 2003-09-30 2005-03-31 International Business Machines Corporation Method and apparatus for generating interrupts upon execution of marked instructions and upon access to marked memory locations
US7937691B2 (en) 2003-09-30 2011-05-03 International Business Machines Corporation Method and apparatus for counting execution of specific instructions and accesses to specific data locations
US20050071516A1 (en) * 2003-09-30 2005-03-31 International Business Machines Corporation Method and apparatus to autonomically profile applications
US20050071608A1 (en) * 2003-09-30 2005-03-31 International Business Machines Corporation Method and apparatus for selectively counting instructions and data accesses
US7395527B2 (en) 2003-09-30 2008-07-01 International Business Machines Corporation Method and apparatus for counting instruction execution and data accesses
US7373637B2 (en) 2003-09-30 2008-05-13 International Business Machines Corporation Method and apparatus for counting instruction and memory location ranges
US8381037B2 (en) 2003-10-09 2013-02-19 International Business Machines Corporation Method and system for autonomic execution path selection in an application
US7421681B2 (en) 2003-10-09 2008-09-02 International Business Machines Corporation Method and system for autonomic monitoring of semaphore operation in an application
US20050086455A1 (en) * 2003-10-16 2005-04-21 International Business Machines Corporation Method and apparatus for generating interrupts for specific types of instructions
US7895382B2 (en) 2004-01-14 2011-02-22 International Business Machines Corporation Method and apparatus for qualifying collection of performance monitoring events by types of interrupt when interrupt occurs
US7197586B2 (en) * 2004-01-14 2007-03-27 International Business Machines Corporation Method and system for recording events of an interrupt using pre-interrupt handler and post-interrupt handler
US7415705B2 (en) 2004-01-14 2008-08-19 International Business Machines Corporation Autonomic method and apparatus for hardware assist for patching code
US7392370B2 (en) 2004-01-14 2008-06-24 International Business Machines Corporation Method and apparatus for autonomically initiating measurement of secondary metrics based on hardware counter values for primary metrics
US7082486B2 (en) * 2004-01-14 2006-07-25 International Business Machines Corporation Method and apparatus for counting interrupts by type
US7526757B2 (en) 2004-01-14 2009-04-28 International Business Machines Corporation Method and apparatus for maintaining performance monitoring structures in a page table for use in monitoring performance of a computer program
US7421684B2 (en) 2004-03-22 2008-09-02 International Business Machines Corporation Method and apparatus for autonomic test case feedback using hardware assistance for data coverage
US7237094B2 (en) * 2004-10-14 2007-06-26 International Business Machines Corporation Instruction group formation and mechanism for SMT dispatch
US7475232B2 (en) * 2005-07-19 2009-01-06 International Business Machines Corporation Performance of an in-order processor by no longer requiring a uniform completion point across different execution pipelines
US7975263B2 (en) * 2006-01-10 2011-07-05 Intel Corporation Method and apparatus for generating run time profiles for program compilation
US7908593B2 (en) * 2007-01-04 2011-03-15 International Business Machines Corporation Technique for evaluating software performance online to support online tuning
US20090044159A1 (en) * 2007-08-08 2009-02-12 Mplicity Ltd. False path handling
US9483405B2 (en) 2007-09-20 2016-11-01 Sony Interactive Entertainment Inc. Simplified run-time program translation for emulating complex processor pipelines
US8433759B2 (en) 2010-05-24 2013-04-30 Sony Computer Entertainment America Llc Direction-conscious information sharing
US8898646B2 (en) * 2010-12-22 2014-11-25 Intel Corporation Method and apparatus for flexible, accurate, and/or efficient code profiling
US9158660B2 (en) * 2012-03-16 2015-10-13 International Business Machines Corporation Controlling operation of a run-time instrumentation facility
US9280447B2 (en) 2012-03-16 2016-03-08 International Business Machines Corporation Modifying run-time-instrumentation controls from a lesser-privileged state
US9367316B2 (en) 2012-03-16 2016-06-14 International Business Machines Corporation Run-time instrumentation indirect sampling by instruction operation code
US9465716B2 (en) 2012-03-16 2016-10-11 International Business Machines Corporation Run-time instrumentation directed sampling
US9483268B2 (en) 2012-03-16 2016-11-01 International Business Machines Corporation Hardware based run-time instrumentation facility for managed run-times
US9471315B2 (en) 2012-03-16 2016-10-18 International Business Machines Corporation Run-time instrumentation reporting
US9405541B2 (en) 2012-03-16 2016-08-02 International Business Machines Corporation Run-time instrumentation indirect sampling by address
US9430238B2 (en) 2012-03-16 2016-08-30 International Business Machines Corporation Run-time-instrumentation controls emit instruction
US9250902B2 (en) 2012-03-16 2016-02-02 International Business Machines Corporation Determining the status of run-time-instrumentation controls
US9454462B2 (en) 2012-03-16 2016-09-27 International Business Machines Corporation Run-time instrumentation monitoring for processor characteristic changes
US9442824B2 (en) 2012-03-16 2016-09-13 International Business Machines Corporation Transformation of a program-event-recording event into a run-time instrumentation event
US9411591B2 (en) 2012-03-16 2016-08-09 International Business Machines Corporation Run-time instrumentation sampling in transactional-execution mode
JP6187264B2 (ja) * 2014-01-07 2017-08-30 富士通株式会社 計算方法、計算プログラム、および計算装置
US9355016B2 (en) 2014-03-05 2016-05-31 Microsoft Technology Licensing, Llc Automated regression testing for software applications
US9329980B2 (en) 2014-03-05 2016-05-03 Microsoft Technology Licensing, Llc Security alerting using n-gram analysis of program execution data
US9880915B2 (en) 2014-03-05 2018-01-30 Microsoft Technology Licensing, Llc N-gram analysis of inputs to a software application
US9594665B2 (en) * 2014-03-05 2017-03-14 Microsoft Technology Licensing, Llc Regression evaluation using behavior models of software applications
GB2595303B (en) * 2020-05-22 2024-04-17 Advanced Risc Mach Ltd Profiling of sampled operations processed by processing circuitry
US11853221B2 (en) 2022-02-18 2023-12-26 Hewlett Packard Enterprise Development Lp Dynamic prefetching of data from storage
US11941250B2 (en) 2022-05-06 2024-03-26 Hewlett Packard Enterprise Development Lp Optimizing application execution based on memory-level parallelism (MLP)-based metrics

Family Cites Families (68)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4084231A (en) * 1975-12-18 1978-04-11 International Business Machines Corporation System for facilitating the copying back of data in disc and tape units of a memory hierarchial system
US4481583A (en) * 1981-10-30 1984-11-06 At&T Bell Laboratories Method for distributing resources in a time-shared system
JPS6047623B2 (ja) * 1982-02-12 1985-10-22 株式会社日立製作所 アドレス変換方式
US4583165A (en) * 1982-06-30 1986-04-15 International Business Machines Corporation Apparatus and method for controlling storage access in a multilevel storage system
US4800521A (en) * 1982-09-21 1989-01-24 Xerox Corporation Task control manager
US4590550A (en) * 1983-06-29 1986-05-20 International Business Machines Corporation Internally distributed monitoring system
US5103394A (en) * 1984-04-30 1992-04-07 Hewlett-Packard Company Software performance analyzer
US4845615A (en) * 1984-04-30 1989-07-04 Hewlett-Packard Company Software performance analyzer
US4972338A (en) * 1985-06-13 1990-11-20 Intel Corporation Memory management for microprocessor system
US4821178A (en) * 1986-08-15 1989-04-11 International Business Machines Corporation Internal performance monitoring by event sampling
US4965717A (en) * 1988-12-09 1990-10-23 Tandem Computers Incorporated Multiple processor system having shared memory with private-write capability
JPH02271435A (ja) * 1989-04-13 1990-11-06 Mitsubishi Electric Corp タスクトレース装置
JPH03210649A (ja) * 1990-01-12 1991-09-13 Fujitsu Ltd マイクロコンピュータおよびそのバスサイクル制御方法
US5282274A (en) * 1990-05-24 1994-01-25 International Business Machines Corporation Translation of multiple virtual pages upon a TLB miss
US5301299A (en) * 1990-06-07 1994-04-05 Intel Corporation Optimized write protocol for memory accesses utilizing row and column strobes
US5151981A (en) * 1990-07-13 1992-09-29 International Business Machines Corporation Instruction sampling instrumentation
US5450609A (en) * 1990-11-13 1995-09-12 Compaq Computer Corp. Drive array performance monitor
US5339425A (en) * 1990-12-11 1994-08-16 Fisher Controls International, Inc. Operating system for a process controller
JPH0774984B2 (ja) * 1991-06-10 1995-08-09 インターナショナル・ビジネス・マシーンズ・コーポレイション システム資源利用率測定方法とデータ処理システム
US5630157A (en) * 1991-06-13 1997-05-13 International Business Machines Corporation Computer organization for multiple and out-of-order execution of condition code testing and setting instructions
JPH079632B2 (ja) * 1991-06-18 1995-02-01 インターナショナル・ビジネス・マシーンズ・コーポレイション アドレス変換装置および方法
US5450586A (en) * 1991-08-14 1995-09-12 Hewlett-Packard Company System for analyzing and debugging embedded software through dynamic and interactive use of code markers
US5269017A (en) * 1991-08-29 1993-12-07 International Business Machines Corporation Type 1, 2 and 3 retry and checkpointing
US5287508A (en) * 1992-04-07 1994-02-15 Sun Microsystems, Inc. Method and apparatus for efficient scheduling in a multiprocessor system
GB2266606B (en) * 1992-04-27 1996-02-14 Intel Corp A microprocessor with an external command mode
JP3544214B2 (ja) * 1992-04-29 2004-07-21 サン・マイクロシステムズ・インコーポレイテッド プロセッサの状態を監視する方法及び監視システム
US5515538A (en) * 1992-05-29 1996-05-07 Sun Microsystems, Inc. Apparatus and method for interrupt handling in a multi-threaded operating system kernel
US5418973A (en) * 1992-06-22 1995-05-23 Digital Equipment Corporation Digital computer system with cache controller coordinating both vector and scalar operations
US5450349A (en) * 1992-10-27 1995-09-12 Digital Equipment Corporation Computer system performance evaluation system and method
US5452457A (en) * 1993-01-29 1995-09-19 International Business Machines Corporation Program construct and methods/systems for optimizing assembled code for execution
JPH06290079A (ja) * 1993-03-30 1994-10-18 Hitachi Ltd 情報処理システム
US5594741A (en) * 1993-03-31 1997-01-14 Digital Equipment Corporation Method for control of random test vector generation
US5452440A (en) * 1993-07-16 1995-09-19 Zitel Corporation Method and structure for evaluating and enhancing the performance of cache memory systems
US5379432A (en) * 1993-07-19 1995-01-03 Taligent, Inc. Object-oriented interface for a procedural operating system
US5485574A (en) * 1993-11-04 1996-01-16 Microsoft Corporation Operating system based performance monitoring of programs
US5623627A (en) * 1993-12-09 1997-04-22 Advanced Micro Devices, Inc. Computer memory architecture including a replacement cache
US5922070A (en) * 1994-01-11 1999-07-13 Texas Instruments Incorporated Pipelined data processing including program counter recycling
US5603004A (en) * 1994-02-14 1997-02-11 Hewlett-Packard Company Method for decreasing time penalty resulting from a cache miss in a multi-level cache system
US5493673A (en) * 1994-03-24 1996-02-20 International Business Machines Corporation Method and apparatus for dynamically sampling digital counters to improve statistical accuracy
US5446876A (en) * 1994-04-15 1995-08-29 International Business Machines Corporation Hardware mechanism for instruction/data address tracing
US5581482A (en) * 1994-04-26 1996-12-03 Unisys Corporation Performance monitor for digital computer system
EP0689141A3 (en) * 1994-06-20 1997-10-15 At & T Corp Disruption-based hardware support for system performance profiling
US5528753A (en) * 1994-06-30 1996-06-18 International Business Machines Corporation System and method for enabling stripped object software monitoring in a computer system
US5537541A (en) * 1994-08-16 1996-07-16 Digital Equipment Corporation System independent interface for performance counters
JP3588485B2 (ja) * 1994-08-26 2004-11-10 富士通株式会社 プロセススケジューリング方式
JP2908739B2 (ja) * 1994-12-16 1999-06-21 インターナショナル・ビジネス・マシーンズ・コーポレイション 多重プロセッサ・システムにおけるｃｐｕのモニタリング・システム及び方法
US5659721A (en) * 1995-02-14 1997-08-19 Hal Computer Systems, Inc. Processor structure and method for checkpointing instructions to maintain precise state
US5748468A (en) * 1995-05-04 1998-05-05 Microsoft Corporation Prioritized co-processor resource manager and method
US5608892A (en) * 1995-06-09 1997-03-04 Alantec Corporation Active cache for a microprocessor
JPH0997214A (ja) * 1995-09-29 1997-04-08 Internatl Business Mach Corp <Ibm> 補助プロセッサのためのアドレス変換を含む情報処理システム
US5751945A (en) * 1995-10-02 1998-05-12 International Business Machines Corporation Method and system for performance monitoring stalls to identify pipeline bottlenecks and stalls in a processing system
US5691920A (en) * 1995-10-02 1997-11-25 International Business Machines Corporation Method and system for performance monitoring of dispatch unit efficiency in a processing system
US5765204A (en) * 1996-06-05 1998-06-09 International Business Machines Corporation Method and apparatus for adaptive localization of frequently accessed, randomly addressed data
US5854934A (en) * 1996-08-23 1998-12-29 Hewlett-Packard Company Optimizing compiler having data cache prefetch spreading
US5799143A (en) * 1996-08-26 1998-08-25 Motorola, Inc. Multiple context software analysis
US5802593A (en) * 1996-09-06 1998-09-01 Intel Corporation Method and apparatus for improving disk drive performance
US5802386A (en) * 1996-11-19 1998-09-01 International Business Machines Corporation Latency-based scheduling of instructions in a superscalar processor
US5862371A (en) * 1996-11-25 1999-01-19 International Business Machines Corporation Method and system for instruction trace reconstruction utilizing performance monitor outputs and bus monitoring
US5878208A (en) * 1996-11-25 1999-03-02 International Business Machines Corporation Method and system for instruction trace reconstruction utilizing limited output pins and bus monitoring
US5884080A (en) * 1996-11-26 1999-03-16 International Business Machines Corporation System and method for instruction burst performance profiling for single-processor and multi-processor systems
US5857097A (en) * 1997-03-10 1999-01-05 Digital Equipment Corporation Method for identifying reasons for dynamic stall cycles during the execution of a program
US5944841A (en) * 1997-04-15 1999-08-31 Advanced Micro Devices, Inc. Microprocessor with built-in instruction tracing capability
US5860018A (en) * 1997-06-25 1999-01-12 Sun Microsystems, Inc. Method for tracking pipeline resources in a superscalar processor
US5987598A (en) * 1997-07-07 1999-11-16 International Business Machines Corporation Method and system for tracking instruction progress within a data processing system
US5923872A (en) * 1997-11-26 1999-07-13 Digital Equipment Corporation Apparatus for sampling instruction operand or result values in a processor pipeline
US5964867A (en) * 1997-11-26 1999-10-12 Digital Equipment Corporation Method for inserting memory prefetch operations based on measured latencies in a program optimizer
US6000044A (en) * 1997-11-26 1999-12-07 Digital Equipment Corporation Apparatus for randomly sampling instructions in a processor pipeline
US5809450A (en) * 1997-11-26 1998-09-15 Digital Equipment Corporation Method for estimating statistics of properties of instructions processed by a processor pipeline

Also Published As

Publication number Publication date
EP0919924A3 (en) 2000-02-23
DE69826418T2 (de) 2005-03-03
JPH11272520A (ja) 1999-10-08
US6163840A (en) 2000-12-19
EP0919924A2 (en) 1999-06-02
EP0919924B1 (en) 2004-09-22
DE69826418D1 (de) 2004-10-28

Similar Documents

Publication Publication Date Title
JP4467094B2 (ja) プロセッサパイプラインにおいて多数の潜在的に同時の命令をサンプリングする装置
JP4294778B2 (ja) プロセッサパイプラインにより処理される相互作用の特性の統計値を推定する方法
JP4467093B2 (ja) プロセッサパイプラインにおいて命令をランダムにサンプリングする装置
US5923872A (en) Apparatus for sampling instruction operand or result values in a processor pipeline
US5964867A (en) Method for inserting memory prefetch operations based on measured latencies in a program optimizer
US5809450A (en) Method for estimating statistics of properties of instructions processed by a processor pipeline
US6092180A (en) Method for measuring latencies by randomly selected sampling of the instructions while the instruction are executed
US6070009A (en) Method for estimating execution rates of program execution paths
US6237073B1 (en) Method for providing virtual memory to physical memory page mapping in a computer operating system that randomly samples state information
US6549930B1 (en) Method for scheduling threads in a multithreaded processor
US6195748B1 (en) Apparatus for sampling instruction execution information in a processor pipeline
US5797019A (en) Method and system for performance monitoring time lengths of disabled interrupts in a processing system
US6708296B1 (en) Method and system for selecting and distinguishing an event sequence using an effective address in a processing system
US5691920A (en) Method and system for performance monitoring of dispatch unit efficiency in a processing system
US5752062A (en) Method and system for performance monitoring through monitoring an order of processor events during execution in a processing system
US5751945A (en) Method and system for performance monitoring stalls to identify pipeline bottlenecks and stalls in a processing system
US6148396A (en) Apparatus for sampling path history in a processor pipeline
JP5649613B2 (ja) クリティカルパスに基づく解析のための性能モニタリングアーキテクチャ強化の方法、装置、マイクロプロセッサ、及び、システム
US6189072B1 (en) Performance monitoring of cache misses and instructions completed for instruction parallelism analysis
US6175814B1 (en) Apparatus for determining the instantaneous average number of instructions processed
US5938760A (en) System and method for performance monitoring of instructions in a re-order buffer
US5949971A (en) Method and system for performance monitoring through identification of frequency and length of time of execution of serialization instructions in a processing system
US5881306A (en) Instruction fetch bandwidth analysis
US5729726A (en) Method and system for performance monitoring efficiency of branch unit operation in a processing system
US5748855A (en) Method and system for performance monitoring of misaligned memory accesses in a processing system

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20051109

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20051109

A711 Notification of change in applicant

Free format text: JAPANESE INTERMEDIATE CODE: A712

Effective date: 20051109

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20081208

A601 Written request for extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A601

Effective date: 20090309

A602 Written permission of extension of time

Free format text: JAPANESE INTERMEDIATE CODE: A602

Effective date: 20090312

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090408

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20090511

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090911

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20091102

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20091109

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20100210

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20100223

R150 Certificate of patent or registration of utility model

Free format text: JAPANESE INTERMEDIATE CODE: R150

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130305

Year of fee payment: 3

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130305

Year of fee payment: 3

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130305

Year of fee payment: 3

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130305

Year of fee payment: 3

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20130305

Year of fee payment: 3

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140305

Year of fee payment: 4

LAPS Cancellation because of no payment of annual fees