DE69227272D1 - Multiprozessorssystem - Google Patents

Multiprozessorssystem

Info

Publication number
DE69227272D1
DE69227272D1 DE69227272T DE69227272T DE69227272D1 DE 69227272 D1 DE69227272 D1 DE 69227272D1 DE 69227272 T DE69227272 T DE 69227272T DE 69227272 T DE69227272 T DE 69227272T DE 69227272 D1 DE69227272 D1 DE 69227272D1
Authority
DE
Germany
Prior art keywords
multiprocessor system
multiprocessor
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
DE69227272T
Other languages
English (en)
Other versions
DE69227272T2 (de
Inventor
Shigeaki Saito
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.)
NEC Corp
Original Assignee
NEC Corp
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 NEC Corp filed Critical NEC Corp
Publication of DE69227272D1 publication Critical patent/DE69227272D1/de
Application granted granted Critical
Publication of DE69227272T2 publication Critical patent/DE69227272T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0751—Error or fault detection not based on redundancy
    • G06F11/0754—Error or fault detection not based on redundancy by exceeding limits
    • G06F11/0757—Error or fault detection not based on redundancy by exceeding limits by exceeding a time limit, i.e. time-out, e.g. watchdogs
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/0703—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation
    • G06F11/0706—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment
    • G06F11/0721—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment within a central processing unit [CPU]
    • G06F11/0724—Error or fault processing not based on redundancy, i.e. by taking additional measures to deal with the error or fault not making use of redundancy in operation, in hardware, or in data representation the processing taking place on a specific hardware platform or in a specific software environment within a central processing unit [CPU] in a multiprocessor or a multi-core unit
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/14—Error detection or correction of the data by redundancy in operation
    • G06F11/1402—Saving, restoring, recovering or retrying
    • G06F11/1415—Saving, restoring, recovering or retrying at system level
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/22—Detection or location of defective computer hardware by testing during standby operation or during idle time, e.g. start-up testing
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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
    • G06F11/3495—Performance evaluation by tracing or monitoring for systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Debugging And Monitoring (AREA)
  • Multi Processors (AREA)
  • Hardware Redundancy (AREA)
DE69227272T 1991-04-16 1992-04-15 Multiprozessorssystem Expired - Fee Related DE69227272T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8275591 1991-04-16

Publications (2)

Publication Number Publication Date
DE69227272D1 true DE69227272D1 (de) 1998-11-19
DE69227272T2 DE69227272T2 (de) 1999-03-11

Family

ID=13783257

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69227272T Expired - Fee Related DE69227272T2 (de) 1991-04-16 1992-04-15 Multiprozessorssystem

Country Status (3)

Country Link
US (1) US5524206A (de)
EP (1) EP0509479B1 (de)
DE (1) DE69227272T2 (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08123583A (ja) * 1994-10-27 1996-05-17 Oki Electric Ind Co Ltd 内部状態確定装置
US5896499A (en) * 1997-02-21 1999-04-20 International Business Machines Corporation Embedded security processor
JP5063212B2 (ja) * 2007-06-25 2012-10-31 株式会社日立産機システム 複数コンポーネントシステム
JP4433006B2 (ja) * 2007-07-04 2010-03-17 株式会社デンソー マルチコアの異常監視装置
US9157825B2 (en) * 2008-05-01 2015-10-13 GM Global Technology Operations LLC Engine knock diagnostic
US9441556B2 (en) 2013-03-15 2016-09-13 GM Global Technology Operations LLC Noise updating systems and methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4358823A (en) * 1977-03-25 1982-11-09 Trw, Inc. Double redundant processor
JPS594054B2 (ja) * 1979-04-17 1984-01-27 株式会社日立製作所 マルチプロセツサ障害検出方式
DE3137313C2 (de) * 1981-09-16 1983-07-21 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Kopplung zweier Mikroprozessoren
US4819154A (en) * 1982-12-09 1989-04-04 Sequoia Systems, Inc. Memory back up system with one cache memory and two physically separated main memories
JPS61296443A (ja) * 1985-06-24 1986-12-27 Mitsubishi Electric Corp ウオツチドツグ・タイマ
US5003466A (en) * 1987-02-06 1991-03-26 At&T Bell Laboratories Multiprocessing method and arrangement
US4811200A (en) * 1987-05-12 1989-03-07 Motorola, Inc. Multiple microprocessor watchdog system
US4933838A (en) * 1987-06-03 1990-06-12 The Boeing Company Segmentable parallel bus for multiprocessor computer systems
DE3726489C2 (de) * 1987-08-08 1995-04-20 Bosch Gmbh Robert Einrichtung zur Überwachung eines Rechnersystems mit zwei Prozessoren in einem Kraftfahrzeug

Also Published As

Publication number Publication date
EP0509479A2 (de) 1992-10-21
EP0509479B1 (de) 1998-10-14
US5524206A (en) 1996-06-04
EP0509479A3 (de) 1994-03-02
DE69227272T2 (de) 1999-03-11

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee