JP2017502443A - ハングを検出するためのロジック・アナライザ - Google Patents
ハングを検出するためのロジック・アナライザ Download PDFInfo
- Publication number
- JP2017502443A JP2017502443A JP2016563275A JP2016563275A JP2017502443A JP 2017502443 A JP2017502443 A JP 2017502443A JP 2016563275 A JP2016563275 A JP 2016563275A JP 2016563275 A JP2016563275 A JP 2016563275A JP 2017502443 A JP2017502443 A JP 2017502443A
- Authority
- JP
- Japan
- Prior art keywords
- tag
- arb
- microprocessor
- logic analyzer
- pipe
- 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.)
- Granted
Links
- 235000003642 hunger Nutrition 0.000 claims abstract description 16
- 230000037351 starvation Effects 0.000 claims abstract description 16
- 238000000034 method Methods 0.000 claims description 15
- 238000004590 computer program Methods 0.000 claims 3
- 230000005055 memory storage Effects 0.000 claims 1
- 238000011084 recovery Methods 0.000 description 28
- 238000010586 diagram Methods 0.000 description 16
- 238000001514 detection method Methods 0.000 description 6
- 238000001693 membrane extraction with a sorbent interface Methods 0.000 description 6
- 230000001960 triggered effect Effects 0.000 description 6
- 238000009825 accumulation Methods 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000003491 array Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000033458 reproduction Effects 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000013519 translation Methods 0.000 description 2
- 241001522296 Erithacus rubecula Species 0.000 description 1
- 206010041954 Starvation Diseases 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001143 conditioned effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000000873 masking effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0844—Multiple simultaneous or quasi-simultaneous cache accessing
- G06F12/0855—Overlapped cache accessing, e.g. pipeline
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0864—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches using pseudo-associative means, e.g. set-associative or hashing
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F12/00—Accessing, addressing or allocating within memory systems or architectures
- G06F12/02—Addressing or allocation; Relocation
- G06F12/08—Addressing or allocation; Relocation in hierarchically structured memory systems, e.g. virtual memory systems
- G06F12/0802—Addressing of a memory level in which the access to the desired data or data block requires associative addressing means, e.g. caches
- G06F12/0893—Caches characterised by their organisation or structure
- G06F12/0897—Caches characterised by their organisation or structure with two or more cache hierarchy levels
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/30—Arrangements for executing machine instructions, e.g. instruction decode
- G06F9/38—Concurrent instruction execution, e.g. pipeline, look ahead
- G06F9/3818—Decoding for concurrent execution
- G06F9/382—Pipelined decoding, e.g. using predecoding
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/52—Program synchronisation; Mutual exclusion, e.g. by means of semaphores
- G06F9/524—Deadlock detection or avoidance
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2212/00—Indexing scheme relating to accessing, addressing or allocation within memory systems or architectures
- G06F2212/60—Details of cache memory
Abstract
Description
Claims (20)
- タグ・アレイを含むキャッシュと、
前記タグ・アレイに対するアクセスをアービトレートするタグパイプと、
スターベーション、ライブロック、又はデッドロックの状態を調査するためのロジック・アナライザとを備えるマイクロプロセッサであって、
前記ロジック・アナライザは、前記タグパイプに結合された読出しロジックを備え、
前記ロジック・アナライザは、前記タグ・アレイにアクセスするトランザクションであるタグパイプarbのスナップショットを記録するように構成されている、
マイクロプロセッサ。 - 前記スナップショットは、前記タグパイプarbが、ロード、スヌープ、記憶、又は他のarbタイプであるかについての情報を含む、請求項1に記載のマイクロプロセッサ。
- 前記スナップショットは、前記タグパイプarbが完了したか、又は再生されたかについての情報を含む、請求項1に記載のマイクロプロセッサ。
- 前記スナップショットは、前記arbが割り当てられるセット及びウェイを識別する情報を含む、請求項1に記載のマイクロプロセッサ。
- 前記タグパイプは、複数のステージを含み、前記ロジック・アナライザは、あるarbが他のキュー・プッシュを再生、完了、及び/又は要求しようとしているかを前記タグパイプが判定した後、前記パイプラインのステージのスナップショットを取り込む、請求項1に記載のマイクロプロセッサ。
- 前記ロジック・アナライザは、ユーザが、どのスナップショットを前記ロジック・アナライザが記録するかを選択的に構成することを可能にする構成ロジックをさらに備える、請求項1に記載のマイクロプロセッサ。
- 前記ロジック・アナライザは、ユーザが、タグパイプarbのスナップショットを、相互の間で記録する開始ポインタと終了ポインタとを選択的に構成することを可能にする構成ロジックをさらに備える、請求項1に記載のマイクロプロセッサ。
- 前記ロジック・アナライザは、様々なタイプの再生状態を一緒に論理ORすることによって前記スナップショットを圧縮するように構成されている、請求項1に記載のマイクロプロセッサ。
- 前記ロジック・アナライザは、前記スナップショットを当該マイクロプロセッサのプライベート・ランダム・アクセス・メモリ(PRAM)に記憶するように構成されている、請求項1に記載のマイクロプロセッサ。
- マイクロプロセッサにおけるスターベーション、ライブロック、又はデッドロックの状態を調査する際に使用するための情報を収集するための方法であって、
タグ・アレイにアクセスするトランザクションであるタグパイプarbを、タグパイプに結合されたロジック・アナライザの使用によって読み出すステップと、
前記スターベーション、ライブロック、又はデッドロックの状態を調査する際に使用するために、前記ロジック・アナライザの使用によって、前記タグパイプarbの少なくとも一部分をメモリ・ストレージに記録するステップと、
を含む方法。 - 前記記録するステップは、前記タグパイプarbが、ロード、スヌープ、記憶、又は他のarbタイプであるかについての情報を記録するステップを含む、請求項10に記載の方法。
- 前記記録するステップは、前記タグパイプarbが、完了したか、又は再生されたかについての情報を記録するステップを含む、請求項10に記載の方法。
- 前記記録するステップは、前記arbが割り当てられるセット及びウェイを識別する情報を記録するステップを含む、請求項10に記載の方法。
- 前記タグパイプは、複数のステージを備え、前記ロジック・アナライザは、あるarbが、他のキュー・プッシュを再生、完了、及び/又は要求しようとしているかを前記タグパイプが判定した後、前記タグパイプのステージに結合される、請求項10に記載の方法。
- どのスナップショットを前記ロジック・アナライザが記録するかを構成するステップをさらに含む、請求項10に記載の方法。
- 特定のタグパイプarbを選択的に無視するように、前記ロジック・アナライザを構成するステップをさらに含む、請求項10に記載の方法。
- タグパイプarbのスナップショットを、相互の間で記録する開始ポインタと終了ポインタとを選択的に構成するステップをさらに含む、請求項10に記載の方法。
- 様々なタイプの再生状態を一緒に論理ORすることによってスナップショットを圧縮するステップをさらに含む、請求項10に記載の方法。
- スナップショットを前記マイクロプロセッサのプライベート・ランダム・アクセス・メモリ(PRAM)に記憶するステップをさらに含む、請求項10に記載の方法。
- コンピュータ装置と共に使用するための少なくとも1つの非一時的コンピュータ可読媒体においてエンコードされるコンピュータ・プログラム製品において、当該コンピュータ・プログラム製品は、マイクロプロセッサを指定するための、前記媒体において実装されるコンピュータ可読プログラム・コードを含んでおり、前記マイクロプロセッサは、
タグ・アレイを含むキャッシュと、
前記タグ・アレイに対するアクセスをアービトレートするタグパイプと、
スターベーション、ライブロック、又はデッドロックの状態を調査するためのロジック・アナライザと、を有しており、
前記ロジック・アナライザは、前記タグパイプに結合された読出しロジックを備え、
前記ロジック・アナライザは、前記タグ・アレイにアクセスするトランザクションであるタグパイプarbのスナップショットを記録するように構成されている、
コンピュータ・プログラム製品。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2014/003174 WO2016092345A1 (en) | 2014-12-13 | 2014-12-13 | Logic analyzer for detecting hangs |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2017502443A true JP2017502443A (ja) | 2017-01-19 |
JP6192858B2 JP6192858B2 (ja) | 2017-09-06 |
Family
ID=56106781
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016563275A Active JP6192858B2 (ja) | 2014-12-13 | 2014-12-13 | ハングを検出するためのロジック・アナライザ |
Country Status (5)
Country | Link |
---|---|
US (1) | US10067871B2 (ja) |
EP (1) | EP3066559B1 (ja) |
JP (1) | JP6192858B2 (ja) |
CN (1) | CN105980979B (ja) |
WO (1) | WO2016092345A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105934743B (zh) | 2014-12-13 | 2019-06-04 | 上海兆芯集成电路有限公司 | 一种微处理器及在其中检测arb的模式的方法 |
EP3047380B1 (en) | 2014-12-13 | 2019-04-24 | VIA Alliance Semiconductor Co., Ltd. | Pattern detector for detecting hangs |
US10324842B2 (en) | 2014-12-13 | 2019-06-18 | Via Alliance Semiconductor Co., Ltd | Distributed hang recovery logic |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11328141A (ja) * | 1998-04-30 | 1999-11-30 | Internatl Business Mach Corp <Ibm> | コンピュ―タ・システムのデッドロックを生じる要求の解決機構 |
US20060179289A1 (en) * | 2005-02-10 | 2006-08-10 | International Business Machines Corporation | Intelligent SMT thread hang detect taking into account shared resource contention/blocking |
US20080301374A1 (en) * | 2006-09-11 | 2008-12-04 | International Business Machines Corporation | Structure for dynamic livelock resolution with variable delay memory access queue |
US7496918B1 (en) * | 2004-06-01 | 2009-02-24 | Sun Microsystems, Inc. | System and methods for deadlock detection |
US20100286952A1 (en) * | 2009-05-07 | 2010-11-11 | Oracle International Coporation | Method, system, and computer program product for determining a hang state and distinguishing a hang state from an idle state |
US20130318530A1 (en) * | 2012-03-29 | 2013-11-28 | Via Technologies, Inc. | Deadlock/livelock resolution using service processor |
US20140052966A1 (en) * | 2012-08-14 | 2014-02-20 | Ali Vahidsafa | Mechanism for consistent core hang detection in a processor core |
Family Cites Families (60)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61233849A (ja) * | 1985-04-08 | 1986-10-18 | Hitachi Ltd | デ−タベ−ス排他制御方法 |
EP0229379A3 (en) | 1985-12-23 | 1989-12-20 | Nec Corporation | Digital picture signal coding/decoding circuit |
US5241635A (en) * | 1988-11-18 | 1993-08-31 | Massachusetts Institute Of Technology | Tagged token data processing system with operand matching in activation frames |
US5133074A (en) * | 1989-02-08 | 1992-07-21 | Acer Incorporated | Deadlock resolution with cache snooping |
US5301333A (en) | 1990-06-14 | 1994-04-05 | Bell Communications Research, Inc. | Tree structured variable priority arbitration implementing a round-robin scheduling policy |
US5269016A (en) * | 1990-09-24 | 1993-12-07 | Charles Stark Draper Laboratory, Inc. | Byzantine resilient fault tolerant shared memory data processing system |
US5692152A (en) * | 1994-06-29 | 1997-11-25 | Exponential Technology, Inc. | Master-slave cache system with de-coupled data and tag pipelines and loop-back |
US5649088A (en) * | 1994-12-27 | 1997-07-15 | Lucent Technologies Inc. | System and method for recording sufficient data from parallel execution stages in a central processing unit for complete fault recovery |
US5987561A (en) * | 1995-08-31 | 1999-11-16 | Advanced Micro Devices, Inc. | Superscalar microprocessor employing a data cache capable of performing store accesses in a single clock cycle |
US5848287A (en) | 1996-02-20 | 1998-12-08 | Advanced Micro Devices, Inc. | Superscalar microprocessor including a reorder buffer which detects dependencies between accesses to a pair of caches |
US6490658B1 (en) * | 1997-06-23 | 2002-12-03 | Sun Microsystems, Inc. | Data prefetch technique using prefetch cache, micro-TLB, and history file |
US6073199A (en) * | 1997-10-06 | 2000-06-06 | Cisco Technology, Inc. | History-based bus arbitration with hidden re-arbitration during wait cycles |
US6543002B1 (en) | 1999-11-04 | 2003-04-01 | International Business Machines Corporation | Recovery from hang condition in a microprocessor |
US6553512B1 (en) | 2000-02-16 | 2003-04-22 | Hewlett Packard Development Company, L.P. | Method and apparatus for resolving CPU deadlocks |
JP2001243070A (ja) | 2000-02-29 | 2001-09-07 | Toshiba Corp | プロセッサ及び分岐予測方法並びにコンパイル方法 |
US6697904B1 (en) | 2000-03-28 | 2004-02-24 | Intel Corporation | Preventing starvation of agents on a bus bridge |
US20020169935A1 (en) | 2001-05-10 | 2002-11-14 | Krick Robert F. | System of and method for memory arbitration using multiple queues |
US6915396B2 (en) | 2001-05-10 | 2005-07-05 | Hewlett-Packard Development Company, L.P. | Fast priority determination circuit with rotating priority |
US6918021B2 (en) | 2001-05-10 | 2005-07-12 | Hewlett-Packard Development Company, L.P. | System of and method for flow control within a tag pipeline |
US6973544B2 (en) * | 2002-01-09 | 2005-12-06 | International Business Machines Corporation | Method and apparatus of using global snooping to provide cache coherence to distributed computer nodes in a single coherent system |
US6904431B2 (en) * | 2002-01-25 | 2005-06-07 | Openwave Systems Inc. | Algorithm for dynamic selection of data locking granularity |
US7028166B2 (en) * | 2002-04-30 | 2006-04-11 | Advanced Micro Devices, Inc. | System and method for linking speculative results of load operations to register values |
US20030229794A1 (en) * | 2002-06-07 | 2003-12-11 | Sutton James A. | System and method for protection against untrusted system management code by redirecting a system management interrupt and creating a virtual machine container |
US7051131B1 (en) | 2002-12-27 | 2006-05-23 | Unisys Corporation | Method and apparatus for recording and monitoring bus activity in a multi-processor environment |
US7000047B2 (en) | 2003-04-23 | 2006-02-14 | International Business Machines Corporation | Mechanism for effectively handling livelocks in a simultaneous multithreading processor |
US7508836B2 (en) * | 2004-12-01 | 2009-03-24 | Arm Limited | Data processing apparatus and method for handling transactions |
US7873795B2 (en) | 2005-03-22 | 2011-01-18 | Hewlett-Packard Development Company, L.P. | Multi-process support in a shared register |
US7627807B2 (en) * | 2005-04-26 | 2009-12-01 | Arm Limited | Monitoring a data processor to detect abnormal operation |
US7590825B2 (en) | 2006-03-07 | 2009-09-15 | Intel Corporation | Counter-based memory disambiguation techniques for selectively predicting load/store conflicts |
US9304773B2 (en) | 2006-03-21 | 2016-04-05 | Freescale Semiconductor, Inc. | Data processor having dynamic control of instruction prefetch buffer depth and method therefor |
TW200742452A (en) * | 2006-04-26 | 2007-11-01 | Avermedia Tech Inc | Video storage and playback system and signal pickup method of the same |
US7760669B2 (en) | 2006-06-27 | 2010-07-20 | International Business Machines Corporation | Method and apparatus for preventing starvation in a slotted ring data communications network |
US7826399B2 (en) | 2006-06-27 | 2010-11-02 | International Business Machines Corporation | Structure for preventing starvation in a slotted ring data communications network |
US7500035B2 (en) | 2006-09-19 | 2009-03-03 | International Business Machines Corporation | Livelock resolution method |
US20080091883A1 (en) | 2006-10-12 | 2008-04-17 | International Business Machines Corporation | Load starvation detector and buster |
JP5082479B2 (ja) * | 2007-02-08 | 2012-11-28 | 日本電気株式会社 | データ一貫性制御システム及びデータ一貫性制御方法 |
US7730265B1 (en) * | 2007-03-06 | 2010-06-01 | Oracle America, Inc. | Starvation-avoiding unbounded transactional memory |
US8321637B2 (en) * | 2007-05-14 | 2012-11-27 | International Business Machines Corporation | Computing system with optimized support for transactional memory |
US7676636B2 (en) * | 2007-07-10 | 2010-03-09 | Sun Microsystems, Inc. | Method and apparatus for implementing virtual transactional memory using cache line marking |
US8103833B2 (en) | 2007-09-04 | 2012-01-24 | Freescale Semiconductor, Inc. | Cache memory and a method for servicing access requests |
US7752505B2 (en) | 2007-09-13 | 2010-07-06 | International Business Machines Corporation | Method and apparatus for detection of data errors in tag arrays |
US7657693B2 (en) | 2007-09-28 | 2010-02-02 | Intel Corporation | Router to use three levels of arbitration for a crossbar channel |
US20090210286A1 (en) * | 2008-02-14 | 2009-08-20 | International Business Machines Corporation | Method for automatic optimized price display |
JP4888839B2 (ja) | 2008-10-03 | 2012-02-29 | 日本電気株式会社 | キャッシュメモリを備えるベクトル計算機システム、及びその動作方法 |
US8266409B2 (en) * | 2009-03-03 | 2012-09-11 | Qualcomm Incorporated | Configurable cache and method to configure same |
US8769357B1 (en) | 2009-07-23 | 2014-07-01 | Gidel Ltd. | System and method for evaluation of a field programmable gate array (FPGA) |
US8789173B2 (en) * | 2009-09-03 | 2014-07-22 | Juniper Networks, Inc. | Protecting against distributed network flood attacks |
US8977730B2 (en) * | 2010-11-18 | 2015-03-10 | International Business Machines Corporation | Method and system for reducing message passing for contention detection in distributed SIP server environments |
JP2012198803A (ja) | 2011-03-22 | 2012-10-18 | Fujitsu Ltd | 演算処理装置及び演算処理方法 |
JP2012209755A (ja) | 2011-03-29 | 2012-10-25 | Fujitsu Ltd | 演算回路及び2進数の変換方法 |
US20130054852A1 (en) * | 2011-08-24 | 2013-02-28 | Charles Fuoco | Deadlock Avoidance in a Multi-Node System |
US9336125B2 (en) | 2011-08-24 | 2016-05-10 | University Of Washington Through Its Center For Commercialization | Systems and methods for hardware-assisted type checking |
US9298469B2 (en) * | 2012-06-15 | 2016-03-29 | International Business Machines Corporation | Management of multiple nested transactions |
US9026705B2 (en) | 2012-08-09 | 2015-05-05 | Oracle International Corporation | Interrupt processing unit for preventing interrupt loss |
US9129071B2 (en) | 2012-10-24 | 2015-09-08 | Texas Instruments Incorporated | Coherence controller slot architecture allowing zero latency write commit |
US9021306B2 (en) * | 2012-12-13 | 2015-04-28 | Apple Inc. | Debug access mechanism for duplicate tag storage |
CN105765525A (zh) | 2013-10-25 | 2016-07-13 | 超威半导体公司 | 加载和存储单元以及数据高速缓存的排序和带宽改进 |
EP3047380B1 (en) | 2014-12-13 | 2019-04-24 | VIA Alliance Semiconductor Co., Ltd. | Pattern detector for detecting hangs |
US10324842B2 (en) | 2014-12-13 | 2019-06-18 | Via Alliance Semiconductor Co., Ltd | Distributed hang recovery logic |
CN105934743B (zh) | 2014-12-13 | 2019-06-04 | 上海兆芯集成电路有限公司 | 一种微处理器及在其中检测arb的模式的方法 |
-
2014
- 2014-12-13 EP EP14891597.8A patent/EP3066559B1/en active Active
- 2014-12-13 JP JP2016563275A patent/JP6192858B2/ja active Active
- 2014-12-13 CN CN201480070655.4A patent/CN105980979B/zh active Active
- 2014-12-13 WO PCT/IB2014/003174 patent/WO2016092345A1/en active Application Filing
- 2014-12-13 US US14/891,337 patent/US10067871B2/en active Active
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11328141A (ja) * | 1998-04-30 | 1999-11-30 | Internatl Business Mach Corp <Ibm> | コンピュ―タ・システムのデッドロックを生じる要求の解決機構 |
US7496918B1 (en) * | 2004-06-01 | 2009-02-24 | Sun Microsystems, Inc. | System and methods for deadlock detection |
US20060179289A1 (en) * | 2005-02-10 | 2006-08-10 | International Business Machines Corporation | Intelligent SMT thread hang detect taking into account shared resource contention/blocking |
US20080301374A1 (en) * | 2006-09-11 | 2008-12-04 | International Business Machines Corporation | Structure for dynamic livelock resolution with variable delay memory access queue |
US20100286952A1 (en) * | 2009-05-07 | 2010-11-11 | Oracle International Coporation | Method, system, and computer program product for determining a hang state and distinguishing a hang state from an idle state |
US20130318530A1 (en) * | 2012-03-29 | 2013-11-28 | Via Technologies, Inc. | Deadlock/livelock resolution using service processor |
US20140052966A1 (en) * | 2012-08-14 | 2014-02-20 | Ali Vahidsafa | Mechanism for consistent core hang detection in a processor core |
Also Published As
Publication number | Publication date |
---|---|
WO2016092345A1 (en) | 2016-06-16 |
US20160350223A1 (en) | 2016-12-01 |
US10067871B2 (en) | 2018-09-04 |
EP3066559B1 (en) | 2019-05-29 |
EP3066559A1 (en) | 2016-09-14 |
CN105980979A (zh) | 2016-09-28 |
EP3066559A4 (en) | 2017-07-19 |
CN105980979B (zh) | 2018-11-20 |
JP6192858B2 (ja) | 2017-09-06 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9946651B2 (en) | Pattern detector for detecting hangs | |
US9911508B2 (en) | Cache memory diagnostic writeback | |
US9195606B2 (en) | Dead block predictors for cooperative execution in the last level cache | |
US20110055838A1 (en) | Optimized thread scheduling via hardware performance monitoring | |
US9575816B2 (en) | Deadlock/livelock resolution using service processor | |
US20150161053A1 (en) | Bypassing a store-conditional request around a store queue | |
US10324842B2 (en) | Distributed hang recovery logic | |
TW201610677A (zh) | 指示異動狀態之一致性協定增強 | |
US9753799B2 (en) | Conditional pattern detector for detecting hangs | |
JP6192858B2 (ja) | ハングを検出するためのロジック・アナライザ | |
US9223714B2 (en) | Instruction boundary prediction for variable length instruction set | |
US20220058025A1 (en) | Throttling while managing upstream resources |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20160113 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170307 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20170411 |
|
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: 20170711 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20170808 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6192858 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |