CN105138407B - A kind of method and apparatus for cleaning equipment memory - Google Patents
A kind of method and apparatus for cleaning equipment memory Download PDFInfo
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- CN105138407B CN105138407B CN201510509177.9A CN201510509177A CN105138407B CN 105138407 B CN105138407 B CN 105138407B CN 201510509177 A CN201510509177 A CN 201510509177A CN 105138407 B CN105138407 B CN 105138407B
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Abstract
The object of the present invention is to provide a kind of method and apparatus of cleaning equipment memory.Specifically, it is determined that target device needs the memory applied at native layers when being cleaned memory；According to the memory, the memory management mechanism of the target device is triggered to determine target process to be moved to end；If the target process is moved to end, the memory is discharged.Compared with prior art, the present invention terminates the process for needing to terminate by triggering the memory management mechanism of target device based on the size for the memory applied at native layers, to realize that target device memory discharges, memory cleaning efficiency is effectively increased, the equipment usage experience of user is also improved, especially also can be realized device memory cleaning under non-root environment, and, for the equipment of Android system, it can be adapted for any version of android, it is versatile.
Description
Technical field
The present invention relates to Internet technical field more particularly to a kind of technologies for cleaning equipment memory.
Background technique
A large amount of garbage files (such as application cache, remnants that equipment especially user equipment generates during use
Program file, historical rudiment, application program installation kit etc.) directly affect the speed of service of equipment.Existing realization cleaning equipment
The method of memory is usually or to pass through analog subscriber by way of calling and being cleaned the application programming interfaces (API) of equipment
It clicks and stops the mode of button by force to realize that memory is cleared up.However, the process that former implementation can kill is seldom；Latter
Implementation method does not have versatility for android equipment, only just can be with after 4.1 versions, and memory is simultaneously after kill process
It is not decreased obviously；In addition, above method, which can not achieve, clears up memory under non-root environment, it is clear to not only reduce device memory
Efficiency is managed, the equipment usage experience of user is also affected.
Summary of the invention
The object of the present invention is to provide a kind of method and apparatus for cleaning equipment memory.
According to an aspect of the invention, there is provided a kind of method for cleaning equipment memory, wherein this method packet
It includes:
Determine the memory that target device needs to apply at native layers when being cleaned memory；
According to the memory, the memory management mechanism of the target device is triggered to determine target process to be moved to end；
If the target process is moved to end, the memory is discharged.
According to another aspect of the present invention, a kind of cleaning equipment for cleaning equipment memory is additionally provided, wherein this is clear
Managing equipment includes:
The device for the memory for needing to apply at native layers when being cleaned memory for determining target device；
For according to the memory, triggering the memory management mechanism of the target device with determine target to be moved to end into
The device of journey；
If being moved to end for the target process, the device of the memory is discharged.
Compared with prior art, the present invention is by triggering target device based on the size for the memory applied at native layers
Memory management mechanism to terminate to need the process that terminates, to realize that target device memory discharges, it is clear to effectively increase memory
Efficiency is managed, the equipment usage experience of user is also improved, especially also can be realized device memory cleaning under non-root environment, and
And for the equipment of Android system, it can be adapted for any version of android, it is versatile.
Detailed description of the invention
By reading a detailed description of non-restrictive embodiments in the light of the attached drawings below, of the invention other
Feature, objects and advantages will become more apparent upon:
Fig. 1 shows a kind of equipment signal of cleaning equipment for cleaning equipment memory of one aspect according to the present invention
Figure；
Fig. 2 shows a kind of method flow diagrams for cleaning equipment memory according to a further aspect of the present invention.
The same or similar appended drawing reference represents the same or similar component in attached drawing.
Specific embodiment
Present invention is further described in detail with reference to the accompanying drawing.
Fig. 1 shows a kind of equipment signal of cleaning equipment for cleaning equipment memory of one aspect according to the present invention
Figure, wherein cleaning equipment 1 includes the memory for needing to apply at native layers when being cleaned memory for determining target device
Device (hereinafter referred to as " memory determining device 11 ")；For triggering the memory management machine of the target device according to the memory
System is with the device (hereinafter referred to as " trigger device 12 ") of determining target process to be moved to end；If being tied for the target process
Beam discharges the device (hereinafter referred to as " memory release device 13 ") of the memory.
Specifically, memory determining device 11 determines the memory that target device is applied when being cleaned memory；Trigger device
12 according to the memory, triggers the memory management mechanism of the target device to determine target process to be moved to end；If described
Target process is moved to end, and memory release device 13 discharges the memory.
Here, cleaning equipment 1 includes that can clear up the rubbish text generated in target device such as smart phone operational process
Part is with the application program of releasing memory.
Here, the target device can be any one can with user by keyboard, mouse, touch tablet, touch screen or
The modes such as handwriting equipment carry out the electronic product of human-computer interaction, for example, computer, mobile phone, smart phone, PDA, wearable device,
Palm PC PPC or tablet computer etc..Preferably, the operating system of the target device includes android operating system.Below
Embodiment is illustrated so that the operating system of target device is android operating system as an example.
Those skilled in the art will be understood that above-mentioned cleaning equipment 1 and target device are only for example, other are existing or modern
The cleaning equipment 1 or target device being likely to occur afterwards are such as applicable to the present invention, should also be included within the scope of protection of the present invention,
And it is incorporated herein by reference.Here, cleaning equipment 1 and target device include one kind can according to being previously set or
The instruction of storage, the automatic numerical value that carries out calculate and the electronic equipment of information processing, and hardware includes but is not limited to microprocessor, specially
With integrated circuit (ASIC), programmable gate array (FPGA), digital processing unit (DSP), embedded device etc..
Specifically, memory determining device 11 determines that target device is needed when being cleaned memory in native layers of application
The size deposited.Here, described need the memory applied at native layers to refer to that target device when being cleaned memory, needs it
The memory of native layers of application.
Here, memory determining device 11 determines that the mode of the memory includes but is not limited to following at least any one:
1) firstly, passing through the application programming interfaces (API) for such as calling the target device itself to provide, the mesh is obtained
The current memory relevant information of marking device, wherein the memory relevant information includes the free memory information of the target device
With memory information shared by third-party application, such as target device for android operating system, can pass through
The getMemoryInfo function of ActivityManager (active manager), to obtain the free memory letter of the target device
Breath, by the getProcessMemoryInfo function of ActivityManager, is answered to obtain the third party of the target device
With shared memory information；Then, the memory information according to shared by the free memory information and the third-party application, determine described in
Memory, the sum of free memory information and memory information shared by the third-party application are used as the memory as will be described.
For example, it is assumed that intelligence android mobile phone such as android-1 needs to clear up memory, memory cleaning is installed thereon and is answered
With (being equivalent to cleaning equipment 1), after user clicks memory cleaning request, then memory determining device 11 can be first by such as
The application programming interfaces (API) for calling intelligence android mobile phone itself to provide, obtain its current memory relevant information, wherein
The free memory information and memory information shared by third-party application that the memory relevant information includes intelligence android mobile phone,
The free memory information for such as getting intelligence android mobile phone is x GB, the letter of memory shared by the third-party application installed thereon
Breath is y GB, then memory determining device 11 can determine the memory size for needing the native layer application of intelligence android mobile phone
For (x+y) GB, that is, determines in described and save as (x+y) GB.
2) firstly, the application programming interfaces (API) for such as calling the target device itself to provide, obtain the target and set
Standby current system use information, wherein the system use information includes the system of the target device using shared memory
Memory information shared by information and system core layer；Then, according to the total memory information of system of the target device, in conjunction with the system
Memory information shared by the system shared memory information of application and the system core layer, determines the memory.
Here, the system application refer to so that the target device be able to run a series of basic tools (such as
Compiler, data base administration, memory format, file system management, subscriber authentication, driven management, network connection etc.
The tool of aspect), it is that target device is supported to operate normally and realize the part software and target device system of user's operation
Built-in application and the application that can not be unloaded.
Here, the system core layer refers to the inner nuclear layer of the operating system of the target device, such as android is grasped
Make the equipment of system, system core layer is linux kernel.
For example, user clicks memory and clears up after request, then memory for intelligent android mobile phone such as android-1
Determining device 11 can obtain first by the application programming interfaces (API) for such as calling intelligence android mobile phone itself to provide
Its current system use information, wherein the system use information includes the system of intelligence android mobile phone using shared interior
Memory information shared by information and system core layer is deposited, the system for such as getting intelligence android mobile phone is believed using shared memory
Breath is z GB, and memory information shared by system core layer is m GB, then memory determining device 11 can be according to the target device
Unite total memory information, in conjunction with the system using memory information shared by shared memory information and the system core layer, determine in
It deposits, such as assumes that the total memory information of system of intelligence android mobile phone such as android-1 is s GB, then memory determining device 11 can
Determine that needing the memory size of the native layer application of intelligence android mobile phone is (s-z-m) GB, that is, determines and save as in described
(s-z-m)GB。
Those skilled in the art will be understood that the mode of the above-mentioned determination memory is only for example, other are existing or from now on
The mode of the determination the being likely to occur memory is such as applicable to the present invention, should also be included within the scope of protection of the present invention, and
It is incorporated herein by reference.
Then, trigger device 12 triggers the memory management mechanism of the target device according to the memory to determine to quilt
The target process of end.Specifically, according to the memory, write operation is carried out to trigger system page switching operation to the memory, is made
The memory is obtained to be switched in physical memory, it is to be moved to end with determination to trigger the memory management mechanism of the target device
Target process.
For example, for intelligent android mobile phone such as android-1, memory determining device 11 determine it is described in save as (x+
Y) GB, then trigger device 12 can be (x+y) GB according to the size of the memory, carry out write operation to it to trigger intelligent android
The system page switching operation of mobile phone, so that size is that the memory of (x+y) GB is switched to the physical memory of intelligent android mobile phone
In, to trigger the low memory killer mechanism of the i.e. Android system of memory management mechanism of intelligence android mobile phone
To determine target process to be moved to end.Where it determines that the target process to be moved to end include the id of target process, name
Title or other any information that can be identified for that the target process.
If the target process is moved to end, memory release device 13 discharges the memory, realizes the interior of the target device
Cleaning is deposited, at this point, the Installed System Memory utilization rate of the target device declines to a great extent.
Here, the present invention is by triggering the memory management mechanism of target device based on the size of the memory of application to terminate
The process for needing to terminate effectively increases memory cleaning efficiency, especially in non-root ring to realize that target device memory discharges
Also it can be realized device memory cleaning under border, for the equipment of Android system, can be adapted for any version of android, lead to
It is strong with property.
It constantly works between each device of cleaning equipment 1.Specifically, the memory of cleaning equipment 1 determines dress
It sets 11 and persistently determines the memory that target device needs to apply at native layers when being cleaned memory；Trigger device 12 continues basis
The memory triggers the memory management mechanism of the target device to determine target process to be moved to end；If the target into
Journey is moved to end, memory described in 13 sustained release of memory release device.Here, it will be appreciated by those skilled in the art that described " hold
It is continuous " refer to that constantly carrying out target device between each device of cleaning equipment 1 respectively needs when being cleaned memory in native
The determination of the memory of layer application, the end of target process and the release of the memory, until cleaning equipment 1 is stopped in a long time
Only determine the memory.
Fig. 2 shows a kind of method flow diagrams for cleaning equipment memory according to a further aspect of the present invention.
Wherein, the method comprising the steps of S1, step S2 and step S3.Specifically, in step sl, cleaning equipment 1 determines
The size for the memory that target device needs to apply at native layers when being cleaned memory；In step s 2,1 basis of cleaning equipment
The memory triggers the memory management mechanism of the target device to determine target process to be moved to end；If the target into
Journey is moved to end, and in step s3, cleaning equipment 1 discharges the memory.
Here, cleaning equipment 1 includes that can clear up the rubbish text generated in target device such as smart phone operational process
Part is with the application program of releasing memory.
Here, the target device can be any one can with user by keyboard, mouse, touch tablet, touch screen or
The modes such as handwriting equipment carry out the electronic product of human-computer interaction, for example, computer, mobile phone, smart phone, PDA, wearable device,
Palm PC PPC or tablet computer etc..Preferably, the operating system of the target device includes android operating system.Below
Embodiment is illustrated so that the operating system of target device is android operating system as an example.
Those skilled in the art will be understood that above-mentioned cleaning equipment 1 and target device are only for example, other are existing or modern
The cleaning equipment 1 or target device being likely to occur afterwards are such as applicable to the present invention, should also be included within the scope of protection of the present invention,
And it is incorporated herein by reference.Here, cleaning equipment 1 and target device include one kind can according to being previously set or
The instruction of storage, the automatic numerical value that carries out calculate and the electronic equipment of information processing, and hardware includes but is not limited to microprocessor, specially
With integrated circuit (ASIC), programmable gate array (FPGA), digital processing unit (DSP), embedded device etc..
Specifically, in step sl, cleaning equipment 1 determines that target device is needed when being cleaned memory native layers of Shen
Memory please.Here, described need the memory applied at native layers to refer to that target device when being cleaned memory, needs it
The memory of native layers of application.
Here, in step sl, cleaning equipment 1 determines that the mode of the memory includes but is not limited to following at least any
:
1) firstly, passing through the application programming interfaces (API) for such as calling the target device itself to provide, the mesh is obtained
The current memory relevant information of marking device, such as target device for android operating system, can pass through
The getMemoryInfo function of ActivityManager (active manager), to obtain the free memory letter of the target device
Breath, by the getProcessMemoryInfo function of ActivityManager, is answered to obtain the third party of the target device
With shared memory information, wherein the memory relevant information includes that the free memory information of the target device is answered with third party
With shared memory information；Then, the memory information according to shared by the free memory information and the third-party application, determine described in
Memory, the sum of free memory information and memory information shared by the third-party application are used as the memory as will be described.
For example, it is assumed that intelligence android mobile phone such as android-1 needs to clear up memory, memory cleaning is installed thereon and is answered
With (being equivalent to cleaning equipment 1), after user clicks memory cleaning request, then in step sl, cleaning equipment 1 can lead to first
The application programming interfaces (API) for such as calling intelligence android mobile phone itself to provide are crossed, its current memory correlation letter is obtained
Breath, wherein the memory relevant information include intelligence android mobile phone free memory information and third-party application shared by it is interior
Information is deposited, such as gets the free memory information of intelligence android mobile phone for x GB, shared by the third-party application installed thereon
Memory information is y GB, then in step sl, cleaning equipment 1 can determine the native layer Shen for needing intelligence android mobile phone
Memory size please is (x+y) GB, that is, determines in described and save as (x+y) GB.
2) firstly, the application programming interfaces (API) for such as calling the target device itself to provide, obtain the target and set
Standby current system use information, wherein the system use information includes the system of the target device using shared memory
Memory information shared by information and system core layer；Then, according to the total memory information of system of the target device, in conjunction with the system
Memory information shared by the system shared memory information of application and the system core layer, determines the memory.
Here, the system application refer to so that the target device be able to run a series of basic tools (such as
Compiler, data base administration, memory format, file system management, subscriber authentication, driven management, network connection etc.
The tool of aspect), it is that target device is supported to operate normally and realize the part software and target device system of user's operation
Built-in application and the application that can not be unloaded.
Here, the system core layer refers to the inner nuclear layer of the operating system of the target device, such as android is grasped
Make the equipment of system, system core layer is linux kernel.
For example, for intelligent android mobile phone such as android-1, after user clicks memory cleaning request, then in step
In rapid S1, cleaning equipment 1 can pass through the application programming interfaces for such as calling intelligence android mobile phone itself to provide first
(API), its current system use information is obtained, wherein the system use information includes the system of intelligence android mobile phone
Using memory information shared by shared memory information and system core layer, the system application of intelligence android mobile phone is such as got
Shared memory information is z GB, and memory information shared by system core layer is m GB, then in step sl, cleaning equipment 1 can basis
The total memory information of the system of the target device, in conjunction with the system using shared by shared memory information and the system core layer
Memory information determines the memory, such as assumes that the total memory information of system of intelligence android mobile phone such as android-1 is s GB,
Then in step sl, cleaning equipment 1 can determine that the memory size for needing the native layer application of intelligence android mobile phone is
(s-z-m) GB is determined in described and is saved as (s-z-m) GB.
Those skilled in the art will be understood that the mode of the above-mentioned determination memory is only for example, other are existing or from now on
The mode of the determination the being likely to occur memory is such as applicable to the present invention, should also be included within the scope of protection of the present invention, and
It is incorporated herein by reference.
Then, in step s 2, cleaning equipment 1 triggers the memory management mechanism of the target device according to the memory
To determine target process to be moved to end.Specifically, according to the memory, write operation is carried out to the memory and is changed with triggering system
Page operations, so that the memory is switched in physical memory, to trigger the memory management mechanism of the target device with determination
Target process to be moved to end.
For example, in step sl, cleaning equipment 1 determines described interior for intelligent android mobile phone such as android-1
(x+y) GB is saved as, then in step s 2, cleaning equipment 1 can be (x+y) GB according to the size of the memory, carry out write operation to it
To trigger the system page switching operation of intelligence android mobile phone, so that the memory that size is (x+y) GB is switched to intelligence
In the physical memory of android mobile phone, to trigger the memory management mechanism i.e. Android system of intelligence android mobile phone
Low memory killer mechanism is to determine target process to be moved to end.Where it determines that the target to be moved to end into
Journey includes id, title or other any information that can be identified for that the target process of target process.
If the target process is moved to end, in step s3, cleaning equipment 1 discharges the memory, realizes that the target is set
Standby memory cleaning, at this point, the Installed System Memory utilization rate of the target device declines to a great extent.
Here, the present invention is by triggering the memory management of target device based on the size for the memory applied at native layers
Mechanism, to realize that target device memory discharges, effectively increases memory cleaning efficiency, especially to terminate the process for needing to terminate
It also can be realized device memory cleaning under non-root environment, for the equipment of Android system, can be adapted for android
Any version, it is versatile.
It constantly works between each step of cleaning equipment 1.Specifically, cleaning equipment 1 in step sl,
Cleaning equipment 1 persistently determines the memory that target device needs to apply at native layers when being cleaned memory；In step s 2, clearly
Manage equipment 1 continue to trigger according to the memory memory management mechanism of the target device with determine target to be moved to end into
Journey；If the target process is moved to end, in step s3, memory described in 1 sustained release of cleaning equipment.Here, art technology
Personnel should be appreciated that constantly carries out target device clear respectively between " lasting " each step for referring to cleaning equipment 1
The determination for the memory for needing to apply at native layers when managing memory, the end of target process and the release of the memory, until clear
Reason equipment 1 stops determining the memory in a long time.
It should be noted that the present invention can be carried out in the assembly of software and/or software and hardware, for example, can adopt
With specific integrated circuit (ASIC), general purpose computer or any other realized similar to hardware device.In one embodiment
In, software program of the invention can be executed to implement the above steps or functions by processor.Similarly, of the invention
Software program (including relevant data structure) can be stored in computer readable recording medium, for example, RAM memory,
Magnetic or optical driver or floppy disc and similar devices.In addition, some of the steps or functions of the present invention may be implemented in hardware, example
Such as, as the circuit cooperated with processor thereby executing each step or function.
In addition, a part of the invention can be applied to computer program product, such as computer program instructions, when its quilt
When computer executes, by the operation of the computer, it can call or provide according to the method for the present invention and/or technical solution.
And the program instruction of method of the invention is called, it is possibly stored in fixed or moveable recording medium, and/or pass through
Broadcast or the data flow in other signal-bearing mediums and transmitted, and/or be stored according to described program instruction operation
In the working storage of computer equipment.Here, according to one embodiment of present invention including a device, which includes using
Memory in storage computer program instructions and processor for executing program instructions, wherein when the computer program refers to
When enabling by processor execution, method and/or skill of the device operation based on aforementioned multiple embodiments according to the present invention are triggered
Art scheme.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included in the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.This
Outside, it is clear that one word of " comprising " does not exclude other units or steps, and odd number is not excluded for plural number.That states in device claim is multiple
Unit or device can also be implemented through software or hardware by a unit or device.The first, the second equal words are used to table
Show title, and does not indicate any particular order.
Claims (6)
1. a kind of method for cleaning equipment memory, wherein this method comprises:
Determine the memory that target device needs to apply at native layers when being cleaned memory；
According to the memory, the memory management mechanism of the target device is triggered to determine target process to be moved to end；
If the target process is moved to end, the memory is discharged；
Wherein it is determined that the memory includes:
Obtain the current memory relevant information of the target device, wherein the memory relevant information includes the target device
Free memory information and third-party application shared by memory information；According to the free memory information and the third-party application institute
Memory information is accounted for, determines the memory；And/or
Obtain the current system use information of the target device, wherein the system use information includes the target device
System using memory information shared by shared memory information and system core layer；According to the total memory letter of the system of the target device
Breath determines the memory in conjunction with the system using memory information shared by shared memory information and the system core layer.
2. according to the method described in claim 1, wherein, according to the memory, triggering the memory management machine of the target device
It makes and includes: with determining target process to be moved to end
According to the memory, write operation is carried out to trigger system page switching operation, so that the memory is switched to the memory
In physical memory, to trigger the memory management mechanism of the target device to determine target process to be moved to end.
3. method according to claim 1 or 2, wherein the operating system of the target device includes android operation system
System.
4. a kind of cleaning equipment for cleaning equipment memory, wherein the cleaning equipment includes:
The device for the memory for needing to apply at native layers when being cleaned memory for determining target device；
For triggering the memory management mechanism of the target device to determine target process to be moved to end according to the memory
Device；
If being moved to end for the target process, the device of the memory is discharged；
Wherein it is determined that the device of the memory is used for:
Obtain the current memory relevant information of the target device, wherein the memory relevant information includes the target device
Free memory information and third-party application shared by memory information；According to the free memory information and the third-party application institute
Memory information is accounted for, determines the memory；And/or
Obtain the current system use information of the target device, wherein the system use information includes the target device
System using memory information shared by shared memory information and system core layer；According to the total memory letter of the system of the target device
Breath determines the memory in conjunction with the system using memory information shared by shared memory information and the system core layer.
5. cleaning equipment according to claim 4, wherein according to the memory, trigger the memory pipe of the target device
Reason mechanism is used for the device for determining target process to be moved to end:
According to the memory, write operation is carried out to trigger system page switching operation, so that the memory is switched to the memory
In physical memory, to trigger the memory management mechanism of the target device to determine target process to be moved to end.
6. cleaning equipment according to claim 4 or 5, wherein the operating system of the target device includes android behaviour
Make system.
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| CN105138407A (en) | 2015-12-09 |
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