CN102508694A - Method and system for operating file of virtual machine - Google Patents
Method and system for operating file of virtual machine Download PDFInfo
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- CN102508694A CN102508694A CN201110311258XA CN201110311258A CN102508694A CN 102508694 A CN102508694 A CN 102508694A CN 201110311258X A CN201110311258X A CN 201110311258XA CN 201110311258 A CN201110311258 A CN 201110311258A CN 102508694 A CN102508694 A CN 102508694A
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Abstract
The invention provides a method for operating a file of a virtual machine, and the method comprises the following steps of: pre-setting an optimized function library in a host computer; establishing a corresponding relation between a library function in the optimized function library and an interface address in an executable file, and inputting the corresponding relation into the virtual machine; unloading, explaining and operating an instruction of the executable file by the virtual machine; judging whether the operated instruction is in the optimized function library by the virtual machine according to the interface address in the instruction; if so, calling the optimized function library in the host computer by the host computer and realizing functions of the library function corresponding to the interface address in the optimized function library by a local code. According to the method for operating the file of the virtual machine, parts of the library functions which are processed by the virtual machine can be locally realized through the host computer, thus the processing efficiency of the virtual machine is improved, a local calling instruction is not needed to be pre-defined and the instructions to be operated in the virtual machine are not needed to be wholly converted into the local codes. By utilizing the method and system for operating the file of the virtual machine, provided by the invention, the processing efficiency of the virtual machine is improved.
Description
[technical field]
The present invention relates to computer technology, particularly relate to a kind of virtual machine file operation method and system.
[background technology]
Virtual machine (Virtual Machine) is an application program that operates on the physical computer, is the computer system that on physical computer, is simulated through relevant software virtual machine, and work as real computing machine.
In the prior art, virtual machine reads in an instruction, explains, carries out, and then repeats to read next bar instruction, explains, carries out, so circulation.Under this scheme, virtual machine working procedure speed is slower, if local realization of virtual machine instructions then can be improved its travelling speed.In actual use; Have following several method to realize this locality realization of virtual machine: method one, virtual machine are by local call instruction; Promptly carry out alternately in the code of " local interface specific instruction " concentrated realization internal operation and other Languages application written program and storehouse, makes any local application all can embed in the virtual machine.But " local interface specific instruction " is " local programming interface " specific instruction that special definition is concentrated in instruction, must definition specially in instruction set in advance.The method can improve the travelling speed of virtual machine, but need limit the local programming interface and specific instruction is called in this locality, and need be in the practical instruction set of a cover the complicated compiler of design one cover, this method cost is bigger.For example the Java instruction set belongs to Sun Microsystems company, uses the Java instruction set to relate to the problem of literary property.Method two, will import the binary file in the virtual machine, after analyzing, all be converted into the local code file, directly carry out local code by host at last.The method is than more efficient, but it is very complicated that binary file is all changeed the process of local code, and it is higher to implement difficulty.
[summary of the invention]
Based on this, be necessary to provide a kind of virtual machine file operation method that can improve the virtual machine travelling speed, in addition, also be necessary to provide a kind of dummy machine system that can improve the virtual machine travelling speed.
A kind of virtual machine file operation method may further comprise the steps:
Preset majorized function storehouse in host, the majorized function storehouse is made up of built-in function commonly used in the virtual machine;
Set up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address, and input to virtual machine;
Virtual machine loads, explains, moves the instruction of said executable file;
Virtual machine judges that according to the interface IP address that comprises in the said instruction instruction that moved is whether in the majorized function storehouse; If; Then host calls majorized function storehouse in the host, and local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse;
Host returns in the virtual machine and moves after executing the function of said built-in function.
Preferably, said virtual machine file operation method also comprises step: when the instruction of virtual machine operation is not in the majorized function storehouse, move said instruction by virtual machine.
The Symbolic Links mapped file that produces when preferably, the said corresponding relation of setting up the built-in function that is arranged in the majorized function storehouse in the executable file and interface IP address is the program chains according to said executable file is set up.
Preferably, the said corresponding relation of setting up the built-in function that is arranged in the majorized function storehouse in the executable file and interface IP address is when virtual machine loads the program of said executable file, to scan said program to set up.
Preferably; Said host calls majorized function storehouse in the host; When local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse; Host needs from the virtual machine storer, to obtain the data of said built-in function input and output, and the result that said local code is realized is returned deposit virtual machine.
The present invention also provides a kind of dummy machine system that can improve the virtual machine travelling speed.
A kind of dummy machine system comprises virtual machine and host, at least also comprises:
Majorized function storehouse presetting module is used in the preset majorized function storehouse of host, and the majorized function storehouse is made up of built-in function commonly used in the virtual machine;
Pre-processing module is used for setting up executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, and inputs to virtual machine;
Processing module is used for the instruction that virtual machine loaded, explains, moved said executable file;
Judge module is used for interface IP address that virtual machine comprises according to said instruction and judges that the instruction that moved is whether in the majorized function storehouse;
The local module that realizes; When the interface IP address that is used for comprising according to said instruction when virtual machine judges that the instruction that moved is in the majorized function storehouse; Host calls majorized function storehouse in the host, and local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse.
Local realize that the result returns module, be used for function that host executes said built-in function after, return in the virtual machine and move.
Preferably, said dummy machine system also comprises: virtual machine operation module, the instruction that is used for moving when virtual machine are moved said instruction by virtual machine during not in the majorized function storehouse.
The Symbolic Links mapped file that produces when preferably, said pre-processing module is according to the program chains of said executable file is set up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address.
Preferably, said pre-processing module scans said program when virtual machine loads the program of executable file, sets up to be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address in the said executable file.
Preferably; The said local module that realizes is called majorized function storehouse in the host at host; When local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse; Also be used for host and obtain the data of said built-in function input and output, and the result that said local code is realized returned deposit virtual machine from the virtual machine storer.
Virtual machine file operation method according to the invention need not define " local programming interface " required " specific instruction is called in this locality " specially in instruction set; Also need the instruction that in virtual machine, moves all be converted into local code and can realize local realization of function in the virtual machine quick calling host majorized function storehouse, thereby improve the travelling speed of virtual machine.
[description of drawings]
Fig. 1 is the process flow diagram of virtual machine file operation method among the embodiment;
Fig. 2 is the structural representation of dummy machine system among the embodiment.
[embodiment]
Fig. 1 shows virtual machine file operation method among the embodiment, may further comprise the steps:
Step S101, preset majorized function storehouse in host, the majorized function storehouse is made up of built-in function commonly used in the virtual machine;
Virtual machine is the complete computer that operates in the complete isolation environment, can installing operating system and application program, and accessing network resources.Generally speaking; The speed of virtual machine working procedure wants slow than host; Virtual machine is wanted some built-in functions in the call function storehouse in the process of operation executable file; Said built-in function is the basic operation function that some functions are confirmed, for example pointer operation, string operation, internal memory operation, arithmetical operation or the like.Built-in function commonly used in the virtual machine is preset in the host, forms preset majorized function storehouse.Said built-in function commonly used uses the frequency of this built-in function to define according to virtual machine, is defined as built-in function commonly used as access times being reached a built-in function after the fixed numbers, and said fixed numbers is the arbitrary integer more than or equal to 1.
Step S103 sets up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address, and inputs to virtual machine;
Some is arranged in host majorized function storehouse built-in function in the virtual machine executable file; This partial function need be taken over operation by host; Realize through host is local; Therefore need set up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address, and input to virtual machine.
Step S104, virtual machine load, explain, move the instruction of said executable file;
Executable file is the formal representation with instruction in virtual machine, and virtual machine is realized the function of executable file through execution command.Before the operation executable file, need the instruction of executable file be loaded, and explain and processing.
Step S105, virtual machine is judged the instruction that moved whether in the majorized function storehouse according to the interface IP address that comprises in the said instruction,
If, then get into step S109, promptly host calls majorized function storehouse in the host, and local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse;
If not, then get into step S107, move said instruction by virtual machine.
In the present embodiment; Virtual machine judges that according to the interface IP address that comprises in the said instruction instruction that moved is whether in the majorized function storehouse; If; Then host calls majorized function storehouse in the host, and local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse.This method makes by the built-in function of virtual machine operation and takes over execution by host, thereby has improved the speed of the processing executable file of virtual machine, has strengthened the dirigibility of virtual machine and has improved the efficient of virtual machine operation.
Execute the function of said built-in function at host after, return in the virtual machine and move.
As a kind of preferable methods, when the instruction of virtual machine operation is not in the majorized function storehouse, promptly get into step S107, move said instruction by virtual machine.In the present embodiment, when process knows that to the judgement of this instruction this instruction is not in the majorized function storehouse of host,, need not carry out this locality to its execution and call, so virtual machine is directly carried out and should instruction be got final product according to being provided with in advance.
As a kind of preferable methods, the said corresponding relation of setting up the built-in function that is arranged in the majorized function storehouse in the executable file and interface IP address is that the Symbolic Links mapped file that produces during according to the program chains of said executable file is set up.
As a kind of preferable methods, the said corresponding relation of setting up the built-in function that is arranged in the majorized function storehouse in the executable file and interface IP address is when virtual machine loads the program of said executable file, to scan said program to set up.
In the present embodiment; Setting up the built-in function that is arranged in the majorized function storehouse in the executable file can be through different approach with the corresponding relation of interface IP address; The Symbolic Links mapped file that had produced in the time of both can be according to the program chains of said executable file is set up, and can when virtual machine loads the program of said executable file, scan said program again and set up.No matter set up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address by that way, all need be before virtual machine moves the result data of above-mentioned foundation be input to virtual machine.
As a kind of preferable methods; Said host calls majorized function storehouse in the host; When local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse; Host needs from the virtual machine storer, to obtain the data of said built-in function input and output, and the result that said local code is realized is returned deposit virtual machine.In the present embodiment; The said local interface that calls same functions in the host majorized function storehouse; After local code is realized, the local execution result of realizing of host is turned back in the executable file of virtual machine through link order, thereby virtual machine continues to carry out other instruction.Continue local realization like host and need be invoked at preceding this locality realization result data, then host also can obtain from the virtual machine storer in preceding this locality and realize result data.In the present embodiment, the result that said local code is realized returns and deposits virtual machine, thereby helps the local backup protection of realizing result data, also makes things convenient for the local built-in function data that realize of virtual machine statistics host.
Fig. 2 shows a dummy machine system among the embodiment, comprises virtual machine and host, at least also comprises:
Majorized function storehouse presetting module 201 is used in the preset majorized function storehouse of host, and the majorized function storehouse is made up of built-in function commonly used in the virtual machine;
The local module 205 that realizes; When the interface IP address that is used for comprising according to said instruction when virtual machine judges that the instruction that moved is in the majorized function storehouse; Host calls majorized function storehouse in the host, and local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse.
Local realize that the result returns module 206, be used for function that host executes said built-in function after, return in the virtual machine and move.
In the present embodiment, majorized function storehouse presetting module 201 is used in the preset majorized function storehouse of host, and the majorized function storehouse is made up of built-in function commonly used in the virtual machine.Built-in function commonly used in the virtual machine is preset in the host, forms preset majorized function storehouse.Virtual machine is wanted some built-in functions in the call function storehouse in the process of operation executable file, said built-in function is the basic operation function that some functions are confirmed, for example pointer operation, string operation, internal memory operation, arithmetical operation or the like.Said built-in function commonly used uses the frequency of this built-in function to define according to virtual machine, is defined as built-in function commonly used as access times being reached a built-in function after the fixed numbers, and said fixed numbers is the arbitrary integer more than or equal to 1.
The local module 205 that realizes; Call this locality through virtual machine; Allow application program and built-in function in the host to be embedded in the virtual machine; Realize existing application program and built-in function virtual support machine in the host, virtual machine needn't spend great amount of time and handle relevant built-in function, thereby improves the speed that virtual machine is handled executable file.
As a kind of preferred embodiment, said dummy machine system also comprises virtual machine operation module 207, when the instruction of virtual machine operation is not in the majorized function storehouse, moves said instruction by virtual machine.In the present embodiment,, know that this instruction is not the built-in function in the host majorized function storehouse, promptly need not carry out this locality and call, so virtual machine is directly carried out and should be instructed through judgement to this instruction.
As a kind of preferred embodiment, the Symbolic Links mapped file that said pre-processing module 202 produces during according to the program chains of said executable file is set up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address.
As a kind of preferred embodiment, said pre-processing module 202 scans said program when virtual machine loads the program of executable file, sets up to be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address in the said executable file.
In the present embodiment; Setting up the built-in function that is arranged in the majorized function storehouse in the executable file can be through different approach with the corresponding relation of interface IP address; The Symbolic Links mapped file that had produced in the time of both can be according to the program chains of said executable file is set up, and sets up in the time of can when virtual machine loads the program of said executable file, scanning said program again.No matter set up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address by that way, all need be before virtual machine moves the result data of above-mentioned foundation be input to virtual machine.
As a kind of preferred embodiment; The said local module 205 that realizes is called majorized function storehouse in the host at host; When local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse; Also be used for host and obtain the data of said built-in function input and output, and the result that said local code is realized returned deposit virtual machine from the virtual machine storer.
In the present embodiment; Local realization result returns module 206; The execution result that local code is realized turns back to through link order in the executable file of virtual machine, and virtual machine continues to carry out other instruction, and the result that realize this locality is returned deposit in the virtual machine; Help the local backup protection of realizing result data, also make things convenient for the local built-in function data that realize of virtual machine statistics host.
Instruction is optimized processing for the part in virtual machine file for above-mentioned virtual machine file operation method and system; Promptly carrying out this locality through host calls; Thereby the built-in function in the local code implementation part virtual machine; Improved the speed of the processing executable file of virtual machine; Simultaneously need the local call instruction of predefined, also need the instruction that in virtual machine, moves all be converted into local code and can realize local realization of built-in function in the virtual machine quick calling host majorized function storehouse.The speed that virtual machine file operation method of the present invention and system make virtual machine handle executable file improves, and to the bigger dirigibility that is provided with in host majorized function storehouse, and implementation process is simple.
The above embodiment has only expressed several kinds of embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (10)
1. virtual machine file operation method may further comprise the steps:
Preset majorized function storehouse in host, the majorized function storehouse is made up of built-in function commonly used in the virtual machine;
Set up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address, and input to virtual machine;
Virtual machine loads, explains, moves the instruction of said executable file;
Virtual machine judges that according to the interface IP address that comprises in the said instruction instruction that moved is whether in the majorized function storehouse; If; Then host calls majorized function storehouse in the host, and local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse;
Host returns in the virtual machine and moves after executing the function of said built-in function.
2. virtual machine file operation method according to claim 1 is characterized in that, also comprises step: when the instruction of virtual machine operation is not in the majorized function storehouse, move said instruction by virtual machine.
3. virtual machine file operation method according to claim 1; It is characterized in that the said corresponding relation of setting up the built-in function that is arranged in the majorized function storehouse in the executable file and interface IP address is that the Symbolic Links mapped file that produces during according to the program chains of said executable file is set up.
4. virtual machine file operation method according to claim 1; It is characterized in that the said corresponding relation of setting up the built-in function that is arranged in the majorized function storehouse in the executable file and interface IP address is when virtual machine loads the program of said executable file, to scan said program to set up.
5. virtual machine file operation method according to claim 1; It is characterized in that; Said host calls majorized function storehouse in the host; When local code was realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse, host needed from the virtual machine storer, to obtain the data of said built-in function input and output, and the result that said local code is realized was returned deposit virtual machine.
6. a dummy machine system comprises virtual machine and host, it is characterized in that, at least also comprises:
Majorized function storehouse presetting module is used in the preset majorized function storehouse of host, and the majorized function storehouse is made up of built-in function commonly used in the virtual machine;
Pre-processing module is used for setting up executable file and is arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address, and inputs to virtual machine;
Processing module is used for the instruction that virtual machine loaded, explains, moved said executable file;
Judge module is used for interface IP address that virtual machine comprises according to said instruction and judges that the instruction that moved is whether in the majorized function storehouse;
The local module that realizes; When the interface IP address that is used for comprising according to said instruction when virtual machine judges that the instruction that moved is in the majorized function storehouse; Host calls majorized function storehouse in the host, and local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse;
Local realize that the result returns module, be used for function that host executes said built-in function after, return in the virtual machine and move.
7. dummy machine system according to claim 6 is characterized in that, said dummy machine system also comprises: virtual machine operation module, the instruction that is used for moving when virtual machine are moved said instruction by virtual machine during not in the majorized function storehouse.
8. dummy machine system according to claim 6; It is characterized in that the Symbolic Links mapped file that said pre-processing module produces during according to the program chains of said executable file is set up the built-in function that is arranged in the majorized function storehouse in the executable file and the corresponding relation of interface IP address.
9. dummy machine system according to claim 6; It is characterized in that; Said pre-processing module scans said program when virtual machine loads the program of executable file, set up to be arranged in the built-in function in majorized function storehouse and the corresponding relation of interface IP address in the said executable file.
10. dummy machine system according to claim 6; It is characterized in that; The said local module that realizes is called majorized function storehouse in the host at host; When local code is realized the function of built-in function corresponding with said interface IP address in the said majorized function storehouse, also be used for host and obtain the data of said built-in function input and output, and the result that said local code is realized returned deposit virtual machine from the virtual machine storer.
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| WO2017143928A1 (en) * | 2016-02-25 | 2017-08-31 | 中兴通讯股份有限公司 | Data transmission method, virtual machine, and host server |
| CN112364607A (en) * | 2020-10-08 | 2021-02-12 | 北京麟卓信息科技有限公司 | Method and device for editing Linux file by Android application |
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