CN108920264A - A kind of command timeout processing method and system - Google Patents
A kind of command timeout processing method and system Download PDFInfo
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- 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
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- G06F9/4806—Task transfer initiation or dispatching
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- G06F9/4881—Scheduling strategies for dispatcher, e.g. round robin, multi-level priority queues
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- G—PHYSICS
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- 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
- G06F9/50—Allocation of resources, e.g. of the central processing unit [CPU]
- G06F9/5005—Allocation of resources, e.g. of the central processing unit [CPU] to service a request
- G06F9/5027—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals
- G06F9/5038—Allocation of resources, e.g. of the central processing unit [CPU] to service a request the resource being a machine, e.g. CPUs, Servers, Terminals considering the execution order of a plurality of tasks, e.g. taking priority or time dependency constraints into consideration
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Abstract
The present invention provides a kind of command timeout processing method and system, method include：Establish command queue；Order is added to command queue for the order that receiving host is sent；It records the enqueue moment of order and presets overtime duration, and estimate duration needed for the execution of order；Detect whether that order is finished, if it is, the completion moment of record order；According to the enqueue moment of order each in the completion moment for the order being finished and command queue, the waiting time of each order in command queue is updated；Duration needed for the execution for updating each order according to running situation；Duration needed for traversing the waiting time of each order in command queue and executing, judges whether to will appear command timeout；If will appear command timeout, the order of time-out is adjusted；This method can effectively avoid order from the problem of time-out occur.
Description
Technical field
The present invention relates to field of computer technology more particularly to a kind of command timeout processing methods and system.
Background technique
In current control system, the speed of host process task is getting faster, but many times operation of equipment end
Frequency can not be consistent with host, and equipment end generally uses command queue's form to buffer order, facilitate post-processing.
But the order of equipment end is once performed, no image of Buddha host is equally easy to exit service, needs equal Wait Orders to be executed complete
Or time-out exits.The order that will lead to some high priorities in this way is executed in advance, and the order of some low priorities is easy
There is time-out.
Summary of the invention
It is an object of the invention to the problems that the order for above-mentioned equipment end in the prior art is easy to appear time-out, mention
A kind of command timeout processing method and system out can effectively avoid order from the problem of time-out occur.
A kind of command timeout processing method, including：
Establish command queue；
The order is added to the command queue for the order that receiving host is sent；
Record the order the enqueue moment and default overtime duration, and duration needed for estimating the execution of the order；
Detect whether that order is finished, if it is, recording the completion moment of the order；
According to the enqueue moment of order each in the completion moment for the order being finished and command queue, more
The waiting time of each order in the new command queue；
Duration needed for the execution for updating each order according to running situation；
Duration needed for traversing the waiting time of each order in the command queue and executing, judges whether to will appear life
Enable time-out；
If will appear command timeout, the order of time-out is adjusted.
Further, in calculation command queue each order waiting time, including：
It the time difference for calculating the enqueue moment for completing moment and each order for the order being finished, obtains each
The waiting time of order.
Further, judge whether to will appear command timeout, including：
Needed for the execution of all orders by duration needed for the waiting time of order, execution and before coming the order
Duration is added, the pending duration such as acquisition；
The pending duration such as described is compared with the default overtime duration, if the pending duration such as described is greater than
The default overtime duration, it is determined that the order will appear time-out.
Further, the order of time-out is adjusted, including：
Reduce the consistency operation of time-out order.
Further, after the consistency operation for reducing time-out order, further include：
Judge whether the order after reduction consistency operation there is also time-out；
If will appear time-out, the priority of the order of time-out is improved.
A kind of command timeout processing system, including host and equipment, the equipment include communication module, processor and storage
Device, the communication module are used to establish with the host and communicate to connect, and the memory is stored with a plurality of instruction, the processor
For reading a plurality of instruction and executing：
Establish command queue；
The order is added to the command queue for the order that receiving host is sent；
Record the order the enqueue moment and default overtime duration, and duration needed for estimating the execution of the order；
Detect whether that order is finished, if it is, recording the completion moment of the order；
According to the enqueue moment of order each in the completion moment for the order being finished and command queue, more
The waiting time of each order in the new command queue；
Duration needed for the execution for updating each order according to running situation；
Duration needed for traversing the waiting time of each order in the command queue and executing, judges whether to will appear life
Enable time-out；
If will appear command timeout, the order of time-out is adjusted.
Further, the processor is also used to execute：
It the time difference for calculating the enqueue moment for completing moment and each order for the order being finished, obtains each
The waiting time of order.
Further, the processor is also used to execute：
Needed for the execution of all orders by duration needed for the waiting time of order, execution and before coming the order
Duration is added, the pending duration such as acquisition；
The pending duration such as described is compared with the default overtime duration, if the pending duration such as described is greater than
The default overtime duration, it is determined that the order will appear time-out.
Further, the processor is also used to execute：
Reduce the consistency operation of time-out order.
Further, the processor is also used to execute：
Judge whether the order after reduction consistency operation there is also time-out；
If will appear time-out, the priority of the order of time-out is improved.
Command timeout processing method and system provided by the invention include at least following beneficial effect：
(1) waiting time that each order in moment update command queue is completed by each order, further according to
Waiting time judges whether the order is overtime, adjusts accordingly if time-out, low priority order is effectively avoided to surpass
When, guarantee the stable operation of system；
(2) when judgement will appear command timeout, time-out is avoided by reducing the consistency operation of the order first, works as reduction
It still will appear time-out after consistency operation, then improve the priority of the order, it to a certain extent can be to avoid the big change of priority
It is dynamic, save calculation process.
Detailed description of the invention
The step of Fig. 1 is a kind of embodiment of command timeout processing method provided by the invention is schemed.
Fig. 2 is a kind of flow chart of embodiment of command timeout processing method provided by the invention.
Fig. 3 is a kind of structural schematic diagram of embodiment of command timeout processing system provided by the invention.
Specific embodiment
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, right as follows in conjunction with drawings and embodiments
The present invention is further described.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to
Limit the present invention.
Embodiment one
With reference to Fig. 1, the present embodiment provides a kind of command timeout processing methods, including：
Step S101, establishes command queue；
The order is added to the command queue for step S102, the order that receiving host is sent；
Step S103 records the enqueue moment of the order and presets overtime duration, and estimates the execution of the order
Required duration；
Step S104 has detected whether that order is finished, if it is, recording the completion moment of the order；
Step S105, according to joining the team for order each in the completion moment for the order being finished and command queue
The moment is arranged, the waiting time of each order in the command queue is updated；
Step S106, duration needed for the execution for updating each order according to running situation；
Step S107, duration needed for traversing the waiting time of each order in the command queue and executing, judgement are
It is no to will appear command timeout；
Step S108 is adjusted the order of time-out if will appear command timeout.
Command timeout processing method provided in this embodiment is completed each in moment update command queue by each order
The waiting time of a order judges whether the order is overtime further according to waiting time, adjusts accordingly if time-out,
It effectively avoids low priority order from time-out occur, guarantees the stable operation of system.
Specifically, with reference to Fig. 2, step S101 is first carried out, establishes command queue, executes step S102 later, detection is
The no newer command for receiving host transmission detects whether the command queue has expired if received, should if discontented
Order is added to the command queue, if queue has been expired, returns to error message.
Further, step S103 is executed, the enqueue moment of the order is recorded and presets overtime duration, and is estimated described
Duration needed for the execution of order, wherein the max-timeout time that a length of order allows when default time-out, equipment are executing often
Response host is needed after a order, if it exceeds the default overtime duration host does not receive response also, then judges that system occurs
It is abnormal；Required duration is individually performed in a length of order when needed for executing, and according to system present case, calculates and sets when executing the order
Duration needed for standby consistency operation, duration needed for the execution are updated according to running situation.
Further, step S104 is executed, whether sense command queue bottom has order to be finished, if so, then examining
Look into whether command queue is empty, if being not sky, records the completion moment of the order.If life is still arranged at command queue bottom
Order is executing, then judges whether the order is overtime, exits the program if time-out, returns to step if being not timed-out
S102.If command queue is sky, exit the program.
Further, step S105 is executed, according to each in the completion moment for the order being finished and command queue
The enqueue moment of a order updates the waiting time of each order in the command queue, wherein in calculation command queue
The waiting time of each order, including：
It the time difference for calculating the enqueue moment for completing moment and each order for the order being finished, obtains each
The waiting time of order.
Further, step S106, duration needed for the execution for updating each order according to running situation are executed.
Further, step S107 is executed, the waiting time of each order in the command queue is traversed and executes institute
Length is taken, judges whether to will appear command timeout, specifically, judges whether to will appear command timeout, including：
Needed for the execution of all orders by duration needed for the waiting time of order, execution and before coming the order
Duration is added, the pending duration such as acquisition；
The pending duration such as described is compared with the default overtime duration, if the pending duration such as described is greater than
The default overtime duration, it is determined that the order will appear time-out.
Further, step S108 is executed, if will appear command timeout, the order of time-out is adjusted, specifically
To reduce the consistency operation of time-out order first, such as the order is in the process of running, equipment also needs to recycle on backstage certain
The resource of number can reduce the execution duration of the order by reducing the reclaimer operation, to avoid the command timeout.It reduces
After the consistency operation of time-out order, judge whether the order after reduction consistency operation there is also time-out；If will appear
Time-out then improves the priority of the order of time-out, i.e., runs order in advance.
When judgement will appear command timeout, time-out is avoided by reducing the consistency operation of the order first, after reduction
Still will appear time-out after platform operation, then improve the priority of the order, to a certain extent can to avoid the big variation of priority,
Save calculation process.
If after having traversed the order in command queue, continuing to execute new order without command timeout.
Command timeout processing method provided in this embodiment includes at least following beneficial effect：
(1) waiting time that each order in moment update command queue is completed by each order, further according to
Waiting time judges whether the order is overtime, adjusts accordingly if time-out, low priority order is effectively avoided to surpass
When, guarantee the stable operation of system；
(2) when judgement will appear command timeout, time-out is avoided by reducing the consistency operation of the order first, works as reduction
It still will appear time-out after consistency operation, then improve the priority of the order, it to a certain extent can be to avoid the big change of priority
It is dynamic, save calculation process.
Embodiment two
With reference to Fig. 3, the present embodiment provides a kind of command timeout processing system, including host 201 and equipment 202, equipment 202
Including communication module 2023, processor 2021 and memory 2022, communication module 2023 is used to establish communication link with host 201
It connects, memory 2022 is stored with a plurality of instruction, and processor 2021 is for reading a plurality of instruction and executing：
Establish command queue；
The order is added to the command queue for the order that receiving host is sent；
Record the order the enqueue moment and default overtime duration, and duration needed for estimating the execution of the order；
Detect whether that order is finished, if it is, recording the completion moment of the order；
According to the enqueue moment of order each in the completion moment for the order being finished and command queue, more
The waiting time of each order in the new command queue；
Duration needed for the execution for updating each order according to running situation；
Duration needed for traversing the waiting time of each order in the command queue and executing, judges whether to will appear life
Enable time-out；
If will appear command timeout, the order of time-out is adjusted.
Specifically, processor 2021 is for executing：Command queue is established, detects whether to receive the new of host transmission later
Order, if received, detects whether the command queue has expired, if discontented, which is added to the command queue,
If queue has been expired, error message is returned.
Further, processor 2021 executes：It records the enqueue moment of the order and presets overtime duration, and estimate institute
State duration needed for the execution of order.Wherein, the max-timeout time that a length of order allows when presetting time-out, processor 2021 exist
It has executed each order and has needed response host 201 later, if it exceeds the default overtime duration host 201 does not receive response also,
It is abnormal then to judge that system occurs；Required duration is individually performed in a length of order when needed for executing, and processor 2021 is worked as according to system
Preceding situation calculates duration needed for equipment consistency operation when executing the order, and duration needed for the execution is according to running situation
It is updated.
Further, processor 2021 executes：Whether sense command queue bottom has order to be finished, if so, then
Check whether command queue is empty, if being not sky, records the completion moment of the order.If command queue bottom still has
Order is executing, then judges whether the order is overtime, exits the program if time-out, returns and detect whether if being not timed-out
Receive the newer command of host transmission.If command queue is sky, exit the program.
Further, processor 2021 executes：According in the completion moment for the order being finished and command queue
The enqueue moment of each order updates the waiting time of each order in the command queue.Wherein, calculation command queue
In each order waiting time, processor 2021 execute：
It the time difference for calculating the enqueue moment for completing moment and each order for the order being finished, obtains each
The waiting time of order.
Further, processor 2021 executes：Duration needed for the execution for updating each order according to running situation.
Further, processor 2021 executes：Traverse the waiting time of each order and execution in the command queue
Required duration judges whether to will appear command timeout.Specifically, judge whether to will appear command timeout, processor 2021 executes：
Needed for the execution of all orders by duration needed for the waiting time of order, execution and before coming the order
Duration is added, the pending duration such as acquisition；
The pending duration such as described is compared with the default overtime duration, if the pending duration such as described is greater than
The default overtime duration, it is determined that the order will appear time-out.
Further, if will appear command timeout, the order of time-out is adjusted, processor 2021 executes：It is first
The consistency operation for first reducing time-out order after the consistency operation for reducing time-out order, judges to reduce the life after consistency operation
Whether enable there is also time-out；If will appear time-out, the priority of the order of time-out is improved, i.e., is run order in advance.
Command timeout processing system provided in this embodiment includes at least following beneficial effect：
(1) waiting time that each order in moment update command queue is completed by each order, further according to
Waiting time judges whether the order is overtime, adjusts accordingly if time-out, low priority order is effectively avoided to surpass
When, guarantee the stable operation of system；
(2) when judgement will appear command timeout, time-out is avoided by reducing the consistency operation of the order first, works as reduction
It still will appear time-out after consistency operation, then improve the priority of the order, it to a certain extent can be to avoid the big change of priority
It is dynamic, save calculation process.
It should be understood that for those of ordinary skills, it can be modified or changed according to the above description,
And all these modifications and variations should all belong to the protection domain of appended claims of the present invention.
Claims (10)
1. a kind of command timeout processing method, which is characterized in that including：
Establish command queue；
The order is added to the command queue for the order that receiving host is sent；
Record the order the enqueue moment and default overtime duration, and duration needed for estimating the execution of the order；
Detect whether that order is finished, if it is, recording the completion moment of the order；
According to the enqueue moment of order each in the completion moment for the order being finished and command queue, institute is updated
State the waiting time of each order in command queue；
Duration needed for the execution for updating each order according to running situation；
Duration needed for traversing the waiting time of each order in the command queue and executing judges whether that will appear order surpasses
When；
If will appear command timeout, the order of time-out is adjusted.
2. command timeout processing method according to claim 1, which is characterized in that each order in calculation command queue
Waiting time, including：
The time difference for calculating the enqueue moment for completing moment and each order for the order being finished, obtain each order
Waiting time.
3. command timeout processing method according to claim 1, which is characterized in that judge whether to will appear command timeout,
Including：
Duration needed for the execution of all orders by duration needed for the waiting time of order, execution and before coming the order
It is added, the pending duration such as acquisition；
The pending duration such as described is compared with the default overtime duration, if the pending duration such as described is greater than described
Default time-out duration, it is determined that the order will appear time-out.
4. command timeout processing method according to claim 1, which is characterized in that be adjusted, wrap to the order of time-out
It includes：
Reduce the consistency operation of time-out order.
5. command timeout processing method according to claim 4, which is characterized in that reduce time-out order consistency operation it
Afterwards, further include：
Judge whether the order after reduction consistency operation there is also time-out；
If will appear time-out, the priority of the order of time-out is improved.
6. a kind of command timeout processing system, which is characterized in that including host and equipment, the equipment includes communication module, place
Device and memory are managed, the communication module is used to establish with the host and communicate to connect, and the memory is stored with a plurality of instruction,
The processor is for reading a plurality of instruction and executing：
Establish command queue；
The order is added to the command queue for the order that receiving host is sent；
Record the order the enqueue moment and default overtime duration, and duration needed for estimating the execution of the order；
Detect whether that order is finished, if it is, recording the completion moment of the order；
According to the enqueue moment of order each in the completion moment for the order being finished and command queue, institute is updated
State the waiting time of each order in command queue；
Duration needed for the execution for updating each order according to running situation；
Duration needed for traversing the waiting time of each order in the command queue and executing judges whether that will appear order surpasses
When；
If will appear command timeout, the order of time-out is adjusted.
7. command timeout processing system according to claim 6, which is characterized in that the processor is also used to execute：
The time difference for calculating the enqueue moment for completing moment and each order for the order being finished, obtain each order
Waiting time.
8. command timeout processing system according to claim 6, which is characterized in that the processor is also used to execute：
Duration needed for the execution of all orders by duration needed for the waiting time of order, execution and before coming the order
It is added, the pending duration such as acquisition；
The pending duration such as described is compared with the default overtime duration, if the pending duration such as described is greater than described
Default time-out duration, it is determined that the order will appear time-out.
9. command timeout processing system according to claim 6, which is characterized in that the processor is also used to execute：
Reduce the consistency operation of time-out order.
10. command timeout processing system according to claim 9, which is characterized in that the processor is also used to execute：
Judge whether the order after reduction consistency operation there is also time-out；
If will appear time-out, the priority of the order of time-out is improved.
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| CN201810603200.4A CN108920264B (en) | 2018-06-12 | 2018-06-12 | Command timeout processing method and system |
| PCT/CN2019/078400 WO2019237783A1 (en) | 2018-06-12 | 2019-03-16 | Command timeout processing method and system |
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| WO2019237783A1 (en) * | 2018-06-12 | 2019-12-19 | 深圳市德名利电子有限公司 | Command timeout processing method and system |
| WO2020211382A1 (en) * | 2019-04-19 | 2020-10-22 | 深圳壹账通智能科技有限公司 | Dynamic timeout period adjustment method and system for redis-based distributed lock |
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| KR101525872B1 (en) * | 2008-11-06 | 2015-06-04 | 삼성전자주식회사 | Method for operating semiconductor memory system |
| CN108920264B (en) * | 2018-06-12 | 2020-08-28 | 深圳市德明利技术股份有限公司 | Command timeout processing method and system |
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| US6353845B1 (en) * | 1998-06-25 | 2002-03-05 | International Business Machines Corporation | Computer system, program product and method for tracking asynchronous I/O with timeout support |
| CN106528301A (en) * | 2015-09-11 | 2017-03-22 | 中兴通讯股份有限公司 | Method and device for updating timeout wait duration |
| CN105824698A (en) * | 2016-03-31 | 2016-08-03 | 乐视控股（北京）有限公司 | Task priority correcting method and device |
| CN106371903A (en) * | 2016-08-23 | 2017-02-01 | 西安电子科技大学 | Task scheduling method for airborne trusted computing platform |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2019237783A1 (en) * | 2018-06-12 | 2019-12-19 | 深圳市德名利电子有限公司 | Command timeout processing method and system |
| WO2020211382A1 (en) * | 2019-04-19 | 2020-10-22 | 深圳壹账通智能科技有限公司 | Dynamic timeout period adjustment method and system for redis-based distributed lock |
Also Published As
| Publication number | Publication date |
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| WO2019237783A1 (en) | 2019-12-19 |
| CN108920264B (en) | 2020-08-28 |
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