CN109614056A - A kind of method and apparatus for coping with memory natural aging - Google Patents
A kind of method and apparatus for coping with memory natural aging Download PDFInfo
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- G06F3/06—Digital input from, or digital output to, record carriers, e.g. RAID, emulated record carriers or networked record carriers
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Abstract
The application provides a kind of method and device for coping with memory natural aging, equipment for being equipped with memory, problematic region of memory is rejected by two-wheeled screening: first detecting memory read-write performance, memory section is traversed, the poor region of memory of readwrite performance is marked, it is rejected from memory section, then whether detect memory stable, i.e. treated that memory section traverses again to last round of, will read and write unstable region of memory and is marked and is rejected.The region of memory obtained after two-wheeled traverses in this way is the memory after being optimized using this programme, this partial memory is finally passed into operating system, to can guarantee that the memory that operating system uses all is at a high speed and stable, avoid the case where making memory devices go wrong because of the aging of individual memory region, extend the time of memory devices normal work, and then service life of equipment is improved, reduce bring maintenance cost due to device memory problem.
Description
Technical field
This application involves field of computer technology, in particular to a kind of method and apparatus for coping with memory natural aging.
Background technique
Currently with the rapid development of internet and technology of Internet of things, the business datum amount between the network equipment sharply increases
Add, the rate of interaction data between the CPU of the network equipment and memory is caused to be getting faster, the information content of interaction data is also increasingly
Greatly, the interaction of mutual data also more and more frequently, and the network equipment once it is online will continuous service, until equipment goes out
Existing failure, this memory devices for resulting in equipment are chronically at fully loaded working condition.The network equipment is applied to all trades and professions simultaneously,
Actual installation environment is also different, due to being influenced by environmental factors such as high temperature, high humidity, dusts, the nature of memory devices
Aging is more serious with respect to other devices.
There are two types of performances for the aging of memory devices: first is that internal memory performance declines, second is that the read-write of partial memory particle is unstable.
After equipment runs a period of time, if aging occurs in its memory devices, the data that will lead to storage change, and equipment uses this
Partial data is easy for leading to the problem of delay machine accident or partial service function is abnormal.It in the prior art can be with there has been no scheme
Effectively memory natural aging is solved the problems, such as, when encountering such problem, even if equipment complete machine is currently also not up to maintenance cycle
Perhaps service life can only also scrap purchase new equipment by equipment depot repair or directly.
Summary of the invention
In view of this, the application provides a kind of method and apparatus for coping with memory natural aging, to extend memory devices just
The time often to work.
Specifically, the application is achieved by the following technical solution:
A method of reply memory natural aging, the equipment that the method is used to be equipped with memory, which comprises
Obtain target memory region；
The target memory region is grouped by preset rules, records the consumption of every group of memory read-write same quantity of data respectively
When；
The time-consuming memory more than specified limit is rejected from the target memory region to be grouped；
The target memory region is carried out writing data and reads data manipulation, marks and reads and writes inconsistent region of memory；
The inconsistent region of memory of the read-write is rejected from the target memory region；
The target memory region is passed into operating system.
A kind of device for coping with memory natural aging, the equipment that described device is used to be equipped with memory, described device include:
Memory acquiring unit, for obtaining target memory region；
First screening unit records every group of memory respectively and reads for the target memory region to be grouped by preset rules
Write the time-consuming of same quantity of data；The time-consuming memory more than specified limit is rejected from the target memory region to be grouped；
Second screening unit marks read-write for carrying out writing data to the target memory region and reading data manipulation
Inconsistent region of memory；The inconsistent region of memory of the read-write is rejected from the target memory region；
Memory transfer unit, for the target memory region to be passed to operating system.
By the above technical solution provided by the present application as it can be seen that in the present solution, being rejected in problematic by two-wheeled screening
It deposits region: first detecting memory read-write performance, i.e., memory section is traversed, the poor region of memory of readwrite performance is marked
Come, it is rejected from memory section, then whether detect memory stable, i.e., again time to last round of treated memory section
It goes through, unstable region of memory will be read and write and be marked and rejected.The region of memory obtained after two-wheeled traverses in this way
It is the memory after being optimized using this programme, this partial memory is finally passed into operating system, to can guarantee operating system
The memory used be all high speed and it is stable, avoid the feelings for making memory devices go wrong because of the aging of individual memory region
Condition, extends the time of memory devices normal work, and then improves service life of equipment, reduces due to device memory problem
Bring maintenance cost.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the method for reply memory natural aging shown in the application；
Fig. 2 is the flow chart for rejecting the poor memory of readwrite performance shown in the application；
Fig. 3 is the flow chart of the poor memory of the rejecting stability shown in the application；
Fig. 4 is a kind of flow chart of the method for reply memory natural aging shown in the application；
Fig. 5 is a kind of flow chart of the method for reply memory natural aging shown in the application；
Fig. 6 is a kind of schematic diagram of the device of reply memory natural aging shown in the application.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistent with the application.On the contrary, they be only with it is such as appended
The example of the consistent device and method of some aspects be described in detail in claims, the application.
It is only to be not intended to be limiting the application merely for for the purpose of describing particular embodiments in term used in this application.
It is also intended in the application and the "an" of singular used in the attached claims, " described " and "the" including majority
Form, unless the context clearly indicates other meaning.It is also understood that term "and/or" used herein refers to and wraps
It may be combined containing one or more associated any or all of project listed.
It will be appreciated that though various information, but this may be described using term first, second, third, etc. in the application
A little information should not necessarily be limited by these terms.These terms are only used to for same type of information being distinguished from each other out.For example, not departing from
In the case where the application range, the first information can also be referred to as the second information, and similarly, the second information can also be referred to as
One information.Depending on context, word as used in this " if " can be construed to " ... when " or " when ...
When " or " in response to determination ".
Referring to Figure 1, Fig. 1 is a kind of flow chart of the method for reply memory natural aging shown in the application.This method
It can be used for being equipped with the equipment of memory, such as the network equipment.This method may comprise steps of:
Step S101 obtains target memory region.
Target memory region, that is, free memory region namely region of memory to be optimized.As an example, in the present embodiment or
In other some embodiments of the invention, the method carries out after internal memory initialization under BootLoader.
By taking embedded OS as an example, it is that system is adding that BootLoader is run before operating system nucleus operation
The first segment code executed after electricity.BootLoader can initialize hardware device, establish memory headroom mapping graph, to will be
The hardware environment of system takes a proper states to, to get out correct environment for final call operation system kernel.?
It completes the initialization of CPU and related hardware and then is mounted in operation system image or cured built-in application program to arrive
The space where operating system, the operation of start-up operation system are then branched in memory.Not for BootLoader the present embodiment
It repeats again.
As an example, the scheme in the embodiment of the present invention can carry out after internal memory initialization under BootLoader, at this time
BootLoader program moves memory not yet, still operates in flash, therefore does not need to retain in operation for BootLoader
It deposits, the memory section that can optimize is maximum.And after internal memory optimization, the memory after BootLoader to be moved to optimization
Operation, also prevent BootLoader operate in unstable memory section and cause equipment can not start-up operation system ask
Topic.
As an example, in this embodiment or some other embodiment of the present invention, target memory region is obtained, it specifically can be with
Include:
The memory for obtaining the memory source of the equipment and being currently currently being used；
The memory according to the memory source and being currently currently being used, determines free memory；
Using the free memory as the target memory region.
In other words, the memory source for obtaining current device, initial address and termination address including memory, and it is current
The memory being currently being used, and then determine memory idle under BootLoader.
The target memory region is grouped by preset rules, records the identical number of every group of memory read-write respectively by step S102
According to the time-consuming of amount.
Two-wheeled screening and optimizing will be carried out to target memory region since this step, this step belongs to the first round, it is therefore an objective to
Free memory is traversed, the poor region of performance is filtered out.
Preset rules the present embodiment for grouping is simultaneously not limited, and those skilled in the art can be according to different need
Ask different scenes and voluntarily select, design, can use here these selection and design all without departing from essence of the invention
Mind and protection scope.
As an example, memory can be grouped according to cacheline × 1024 for unit, wherein cacheline is
Cache lines.Then calculate every group read and write in a manner of uncache (any read-write operation is all without cache) cacheline ×
The short time consumption of the memory of 1024 length.Every group of time-consuming being written and read in a manner of cache can certainly be calculated, to this
Embodiment is simultaneously not limited, as long as identical to every group of read-write mode, to ensure that the time-consuming of each group is comparable.
Step S103 rejects the time-consuming memory more than specified limit from the target memory region and is grouped.
It is grouped for how to reject the time-consuming memory more than specified limit, the present embodiment is simultaneously not limited, this field skill
Art personnel can according to different demands different scenes and voluntarily select, design, these selections and design that can be used here
All without departing from spirit and scope of the invention.
Fig. 2 is referred to, as an example, in this embodiment or some other embodiment of the present invention, from the target memory
The time-consuming memory more than specified limit is rejected in region to be grouped, and can specifically include:
Step S1031, the time-consuming that each memory is grouped are arranged according to size order.
Such as short time consumption can be arranged according to incremental sequence.
Step S1032 excludes time-consuming minimum and maximum grouping.
Step S1033 calculates remaining time-consuming average value being respectively grouped.
The time-consuming memory beyond the average value specified limit is grouped and rejects by step S1034.
Such as each group short time consumption is traversed again, it is performance by the packet marking that short time consumption is greater than average value × 110%
It is rejected in poor region.
Step S104 carries out writing data and reads data manipulation, it is inconsistent to mark read-write to the target memory region
Region of memory.
This step starts to carry out the second wheel screening, that is, carries out the screening of stable memory.
When equipment have multiple CPU when, in order to increase test pressure, internally deposit into row deeper into detection, can carry out
Multicore test.It is easily understood that in embodiments of the present invention, multicore can refer to multiple kernels of a CPU, can also refer to more
A CPU.
It is shown in Figure 3, in this embodiment or some other embodiment of the present invention, when the equipment has multiple CPU
When, the target memory region is carried out writing data and reads data manipulation, can specifically include following steps:
The target memory region is averagely allocated to each CPU by step S1041.
Above-mentioned memory section can be averagely allocated to each CPU according to the number of current system CPU.
Step S1042 drives the multiple CPU to carry out writing data to the memory respectively distributed simultaneously and read data behaviour
Make.Guarantee that multiple CPU memory that running memory stability test program is individually assigned to it simultaneously carries out by starting multicore
Detection.
Step S105 rejects the inconsistent region of memory of the read-write from the target memory region.
The target memory region is passed to operating system by step S106.
Pair in the present embodiment, pass through two-wheeled screening and reject problematic region of memory: first detecting memory read-write performance, i.e.,
Memory section is traversed, and the poor region of memory of readwrite performance is marked, it is rejected from memory section, then detects
Whether memory is stable, i.e., treated that memory section traverses again to last round of, and the region of memory for reading and writing unstable is marked
Come and is rejected.
The region of memory obtained after two-wheeled traverses in this way is the memory after being optimized using this programme, finally by this portion
Point memory passes to operating system, to can guarantee that the memory that operating system uses all is high speed and stable, is avoided because a
Other region of memory aging and the case where so that memory devices is gone wrong, extend the time of memory devices normal work, Jin Erti
High service life of equipment, reduces bring maintenance cost due to device memory problem.
Below by taking BootLoader scene as an example, the present invention program is further described.Certainly it is with the application scenarios
Example is exemplary only, in practical applications, is readily applicable to other application scene.
Fig. 4~Fig. 5 is referred to, Fig. 4~Fig. 5 is a kind of process of the method for reply memory natural aging shown in the application
Figure:
Step S401 obtains the free memory initial address under current BootLoader.
Free memory is grouped according to cacheline × 1024 for unit by step S402.Certainly for the pre- of grouping
If regular the present embodiment is simultaneously not limited, those skilled in the art can voluntarily select according to Bu Tongxuqiu different scenes,
Design.
Step S403, the access mode that memory is arranged is uncache.It certainly in other embodiments can also be with cache
Mode is written and read, and to this present embodiment and is not limited, as long as identical to every group of read-write mode, to ensure each group
Time-consuming be comparable.
Step S404 chooses a grouping.
Step S405, record start time.
32bit random number is written to memory with dword in step S406.
Step S407 reads the data in above-mentioned memory.
Step S408 judges whether the memory for having traversed the length of cacheline × 1024.
If it is, entering step S409；If it is not, then return step S406.
Step S409, record end time calculate the time-consuming of current group according to the initial time of record and end time.
Step S410 judges whether to obtain the time-consuming of all memory groupings.
If it is, entering step S411；If it is not, then return step S404.
Step S411 calculates being averaged for each group time-consuming after excluding maximum and minimum value by each group time-consuming according to sort ascending
Value.
Step S412 traverses each group time-consuming again, is poor area by the time-consuming label for being greater than average value × 110%
Domain.
Step S413 will be marked as the poor region of memory of performance and reject.
Step S414 obtains current CPU quantity；To each CPU storage allocation；Start multicore, to guarantee while in operation
Deposit stability test program.
32bit random number is written to memory with dword in step S415.
Step S416 reads the data of above-mentioned write-in memory, and the former data comparison with write-in.
Step S417, if write-in is different with the data read, labeled as unstable.
Step S418 judges whether the memory of each CPU distribution detects and finishes.
If it is, entering step S419；If it is not, then return step S415.
Step S419 rejects unstable region of memory.
Memory section after two-wheeled screens is passed to operating system by step S420.
Pair in the present embodiment, pass through two-wheeled screening and reject problematic region of memory: first detecting memory read-write performance, i.e.,
Memory section is traversed, and the poor region of memory of readwrite performance is marked, it is rejected from memory section, then detects
Whether memory is stable, i.e., treated that memory section traverses again to last round of, and the region of memory for reading and writing unstable is marked
Come and is rejected.The region of memory obtained after two-wheeled traverses in this way is the memory after being optimized using this programme, finally
This partial memory is passed into operating system, to can guarantee that the memory that uses of operating system is all high speed and stable, is avoided
The case where making memory devices go wrong because of the aging of individual memory region, extends the time of memory devices normal work,
And then service life of equipment is improved, reduce bring maintenance cost due to device memory problem.
Fig. 6 is referred to, Fig. 6 is a kind of schematic diagram of the device of reply memory natural aging shown in the application, the device
It can be used for being equipped with the equipment such as network equipment of memory.The apparatus may include:
Memory acquiring unit 601, for obtaining target memory region.
First screening unit 602 records every group of memory for the target memory region to be grouped by preset rules respectively
Read and write the time-consuming of same quantity of data；The time-consuming memory more than specified limit is rejected from the target memory region to be grouped.
Second screening unit 603 marks reading for carrying out writing data to the target memory region and reading data manipulation
Write inconsistent region of memory；The inconsistent region of memory of the read-write is rejected from the target memory region.
Memory transfer unit 604, for the target memory region to be passed to operating system.
As an example, in this embodiment or some other embodiment of the present invention, described device is interior at BootLoader
Start operation after depositing initialization.
As an example, in this embodiment or some other embodiment of the present invention, the memory acquiring unit is specifically used for:
The memory for obtaining the memory source of the equipment and being currently currently being used；According to the memory source and currently
The memory being currently being used, determines free memory；Using the free memory as the target memory region.
In this embodiment or some other embodiment of the present invention, first screening unit, specifically includes:
It is grouped subelement, for the target memory region to be grouped by preset rules；
Timing subelement, for recording the time-consuming of every group of memory read-write same quantity of data respectively；
Sorting subunit, the time-consuming for each memory to be grouped are arranged according to size order；
Computation subunit, for excluding to calculate after time-consuming minimum and maximum grouping, remaining is respectively grouped time-consuming is averaged
Value；
First screening subelement, is rejected for the time-consuming memory beyond the average value specified limit to be grouped.
In this embodiment or some other embodiment of the present invention, when the equipment has multiple CPU, second sieve
Menu member, specifically includes:
Memory Allocation subelement, for the target memory region to be averagely allocated to each CPU；
Pressure test subelement, for drive the multiple CPU simultaneously to the memory respectively distributed write data and
Read data manipulation；
Second screening subelement reads and writes inconsistent region of memory for marking, and, from the target memory region
It is middle to reject the inconsistent region of memory of the read-write.
The function of each unit and the realization process of effect are specifically detailed in the above method and correspond to step in above-mentioned apparatus
Realization process, details are not described herein.
For device embodiment, since it corresponds essentially to embodiment of the method, so related place is referring to method reality
Apply the part explanation of example.The apparatus embodiments described above are merely exemplary, wherein described be used as separation unit
The unit of explanation may or may not be physically separated, and component shown as a unit can be or can also be with
It is not physical unit, it can it is in one place, or may be distributed over multiple network units.It can be according to actual
The purpose for needing to select some or all of the modules therein to realize application scheme.Those of ordinary skill in the art are not paying
Out in the case where creative work, it can understand and implement.
Pair in the present embodiment, pass through two-wheeled screening and reject problematic region of memory: first detecting memory read-write performance, i.e.,
Memory section is traversed, and the poor region of memory of readwrite performance is marked, it is rejected from memory section, then detects
Whether memory is stable, i.e., treated that memory section traverses again to last round of, and the region of memory for reading and writing unstable is marked
Come and is rejected.The region of memory obtained after two-wheeled traverses in this way is the memory after being optimized using this programme, finally
This partial memory is passed into operating system, to can guarantee that the memory that uses of operating system is all high speed and stable, is avoided
The case where making memory devices go wrong because of the aging of individual memory region, extends the time of memory devices normal work,
And then service life of equipment is improved, reduce bring maintenance cost due to device memory problem.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (10)
1. a kind of method for coping with memory natural aging, which is characterized in that the equipment that the method is used to be equipped with memory, it is described
Method includes:
Obtain target memory region；
The target memory region is grouped by preset rules, records the time-consuming of every group of memory read-write same quantity of data respectively；
The time-consuming memory more than specified limit is rejected from the target memory region to be grouped；
The target memory region is carried out writing data and reads data manipulation, marks and reads and writes inconsistent region of memory；
The inconsistent region of memory of the read-write is rejected from the target memory region；
The target memory region is passed into operating system.
2. the method according to claim 1, wherein the method internal memory initialization at BootLoader is laggard
Row.
3. the method according to claim 1, wherein obtaining target memory region, comprising:
The memory for obtaining the memory source of the equipment and being currently currently being used；
The memory according to the memory source and being currently currently being used, determines free memory；
Using the free memory as the target memory region.
4. the method according to claim 1, wherein it is more than specified for rejecting from the target memory region time-consuming
The memory of limit is grouped, comprising:
The time-consuming that each memory is grouped is arranged according to size order；
Exclude time-consuming minimum and maximum grouping；
Calculate remaining time-consuming average value being respectively grouped；
The time-consuming memory beyond the average value specified limit is grouped and is rejected.
5. the method according to claim 1, wherein when the equipment have multiple CPU when, in the target
Region is deposited to carry out writing data and read data manipulation, comprising:
The target memory region is averagely allocated to each CPU；
The multiple CPU is driven to carry out writing data to the memory respectively distributed simultaneously and read data manipulation.
6. a kind of device for coping with memory natural aging, which is characterized in that the equipment that described device is used to be equipped with memory, it is described
Device includes:
Memory acquiring unit, for obtaining target memory region；
First screening unit records every group of memory read-write phase for the target memory region to be grouped by preset rules respectively
With the time-consuming of data volume；The time-consuming memory more than specified limit is rejected from the target memory region to be grouped；
It is different to mark read-write for carrying out writing data to the target memory region and reading data manipulation for second screening unit
The region of memory of cause；The inconsistent region of memory of the read-write is rejected from the target memory region；
Memory transfer unit, for the target memory region to be passed to operating system.
7. device according to claim 6, which is characterized in that described device opens after internal memory initialization under BootLoader
Dynamic operation.
8. device according to claim 6, which is characterized in that the memory acquiring unit is specifically used for:
The memory for obtaining the memory source of the equipment and being currently currently being used；According to the memory source and it is current
The memory used, determines free memory；Using the free memory as the target memory region.
9. device according to claim 6, which is characterized in that first screening unit specifically includes:
It is grouped subelement, for the target memory region to be grouped by preset rules；
Timing subelement, for recording the time-consuming of every group of memory read-write same quantity of data respectively；
Sorting subunit, the time-consuming for each memory to be grouped are arranged according to size order；
Computation subunit, for calculating remaining time-consuming average value being respectively grouped after excluding time-consuming minimum and maximum grouping；
First screening subelement, is rejected for the time-consuming memory beyond the average value specified limit to be grouped.
10. device according to claim 6, which is characterized in that when the equipment has multiple CPU, second sieve
Menu member, specifically includes:
Memory Allocation subelement, for the target memory region to be averagely allocated to each CPU；
Pressure test subelement, for driving the multiple CPU while carrying out writing data and reading to the memory respectively distributed
According to operation；
Second screening subelement reads and writes inconsistent region of memory for marking, and, it is picked from the target memory region
Except the inconsistent region of memory of the read-write.
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