CN105373412A - Virtual machine graph generation method and system - Google Patents
Virtual machine graph generation method and system Download PDFInfo
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- CN105373412A CN105373412A CN201410411943.3A CN201410411943A CN105373412A CN 105373412 A CN105373412 A CN 105373412A CN 201410411943 A CN201410411943 A CN 201410411943A CN 105373412 A CN105373412 A CN 105373412A
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Abstract
The invention discloses a virtual machine graph generation method and system. The method is implemented by a processing module and a display adapter which contains a display memory and a graphic operation unit. The method comprises the following steps: (A) the processing module executes one group of programs to form a virtualized environment which contains a host side virtualized machine and a client side virtualized machine; (B) when a connection request from the client side virtualized machine is received, the host side virtualized machine controls the display memory to reserve one frame cache corresponding to the connection request in the display memory; and (C) when at least one drawing instruction and one frame generation requirement from the client side virtualized machine are received, the host side virtualized machine controls the graphic operation unit to generate one frame according to the drawing instruction and the frame generation requirement and controls the graphic operation unit to store the frame into the frame cache.
Description
Technical field
The invention relates to a kind of figure production method, refer to a kind of virtual machine graphics production method and system especially.
Background technology
Intel Virtualization Technology is increasingly important in the application of modern science and technology, except individual uses, employings a large amount of especially in enterprise, in order to meet the thinking of enterprise demand, and under the prerequisite not increasing corporate spending, Intel Virtualization Technology can be planned for the original framework of enterprise, whole also, eliminate the Information technology environment changed with the enterprise that upgrades, and then reach save electric energy and space, effectively integrate the resource of dispersion, the constraint reduced between software and hardware also significantly promotes usefulness and operational paradigm.
Only, existing Intel Virtualization Technology has remained some shortcomings, because each virtual machine cannot Access Graphics arithmetic element (GraphicsProcessingUnit, be called for short GPU), therefore, each the virtual machine run in existing Intel Virtualization Technology cannot process a large amount of graphic operations simultaneously, thus causes the inconvenience in use.
Because above-mentioned graphic operation process problem, there is a kind of display adapter supporting Intel Virtualization Technology on the market, as
gRID
tMvGPU
tM, GPU is cut into multiple graphic operation subelement (vGPU) by this display adapter, and whereby, each virtual machine can the graphic operation subelement of direct access assigned by it, so significantly can promote the efficiency of graphic operation.
But the price of this display adapter is very expensive, therefore, for thinking the enterprise of reduction hardware cost, essence cannot be provided to help, in addition, the operating system platform that this display adapter is supported is also very limited, is necessary to seek other solutions so real.
Summary of the invention
The object of the present invention is to provide a kind of significantly can promote virtual machine graphic operation efficiency and reduce the virtual machine graphics production method of hardware cost.
Virtual machine graphics production method of the present invention, by a processing module and this processing module of electrical connection, and the display adapter comprising a display memory and a graphic operation unit is implemented, the method includes the steps of: (A), by this processing module, performs the virtualized environment that batch processing comprises the virtual machine of a host side and the virtual machine of a client; (B) when the virtual machine of this host side receives the connection request from the virtual machine of this client, by the virtual machine of this host side, control this display memory and reserve the frame buffer that corresponds to this connection request; And (C) when the virtual machine of this host side receives cause the demand from least one drawing for order of the virtual machine of this client and a frame relevant to this drawing for order time, caused the demand according to this drawing for order and frame by the virtual machine of this host side, control this graphic operation unit and produce a frame, and control this graphic operation unit this frame is stored in this frame buffer.
Virtual machine graphics production method of the present invention, the operating system performed by the virtual machine of this host side and the operating system performed by the virtual machine of this client are compatible operating system.
Virtual machine graphics production method of the present invention, after this step (C), the method also comprises a step (D), by the virtual machine of this host side, read this frame from this frame buffer and this frame is stored in a storage module, and this frame being stored in this storage module is sent to the virtual machine of this client.
Virtual machine graphics production method of the present invention, after this step (C), the method also comprises following steps: (E) is by the virtual machine of this host side, read this frame from this frame buffer and this frame is stored in a storage module, and via a communication network, this frame being stored in this storage module is sent to a use side; And (F) is when this use side receives this frame, by this use side, according to this frame, demonstrate the display frame caused the demand corresponding to this frame.
Virtual machine graphics production method of the present invention, between this step (A) and (B), the method also comprises following steps: (G), by the virtual machine of this client, transmits the virtual machine that to search in package to this virtualized environment other; And (H) is after the virtual machine of the host side in this virtualized environment receives this search package, by the virtual machine of this host side, transmit one and contain the address package of the address information of the virtual machine of this host side to the virtual machine of this client.
Another object of the present invention be to provide a kind of significantly can promote virtual machine graphic operation efficiency and the virtual machine graphics reducing hardware cost produces system.
Virtual machine graphics of the present invention produces system and comprises a display adapter and a processing module.This display adapter comprises a display memory and a graphic operation unit.This processing module is for performing batch processing to form a virtualized environment, and this virtualized environment comprises the virtual machine of a client and the virtual machine of a host side.The virtual machine of this client has a virtual pattern driver and a client emulates and communication program.The virtual machine of this host side has a primary graphics driver, host side emulation and a communication program, and an Agent.This Agent is used for when receiving the connection request from the virtual machine of this client via the emulation of this host side and communication program, control this display memory via this primary graphics driver and reserve the frame buffer that corresponds to this connection request, and for receive via the emulation of this host side and communication program cause the demand from least one drawing for order of the virtual machine of this client and a frame relevant to this drawing for order time, this Agent causes the demand according to this drawing for order and frame, control this graphic operation unit via this primary graphics driver and produce a frame, and control this graphic operation unit this frame is stored in this frame buffer.
Virtual machine graphics of the present invention produces system, and the operating system performed by the virtual machine of this host side and the operating system performed by the virtual machine of this client are compatible operating system.
Virtual machine graphics of the present invention produces system, this system also comprises the storage module of this processing module of electrical connection, the Agent of the virtual machine of this host side is also for reading this frame from this frame buffer and this frame being stored in this storage module, and via the emulation of this host side and communication program, this frame being stored in this storage module is sent to the virtual machine of this client.
Virtual machine graphics of the present invention produces system, this system also comprises the storage module of this processing module of electrical connection, one electrical connection this processing module for connecting a network of network communication interface, one for connecting the use side of this network, the Agent of the virtual machine of this host side is also for reading this frame from this frame buffer and this frame being stored in this storage module, and control this host side emulation and communication program via this network communication interface, this frame being stored in this storage module is sent to this use side, to make this use side, the display frame caused the demand corresponding to this frame is demonstrated according to this frame.
Virtual machine graphics of the present invention produces system, the virtual pattern driver of the virtual machine of this client, for emulating and communication program via this client, transmit the virtual machine that to search in package to this virtualized environment other, the Agent of the virtual machine of this host side in this virtualized environment, also for after receiving this search package via the emulation of this host side and communication program, transmit one via the emulation of this host side and communication program and contain the address package of the address information of the virtual machine of this host side to the virtual machine of this client.
Beneficial effect of the present invention is: by the virtual machine of this host side according to this drawing for order and frame cause the demand control this graphic operation unit produce this frame, and this frame is stored in this frame buffer, to reach the object utilizing the virtual machine of this host side to access this graphic operation unit, and this graphic operation unit is after directly calculating this frame, just by the virtual machine of this host side, read this frame from this frame buffer and be stored in this storage module, the virtual machine of this host side just calculates this frame after the intermediate calculation results before calculating this frame must not being stored in this storage module one by one, whereby, can avoid expending operation time because transmitting intermediate calculation results under inessential situation and promoting the fast operand of process mould, and then significantly promote the graphic operation efficiency of virtual machine, in addition, the virtual machine of this host side is sent to by this drawing for order and frame being caused the demand, to be produced the figure production method of this frame by this graphic operation unit of the virtual apparatus control of this host side, must not buy the expensive display adapter supporting Intel Virtualization Technology, so can hardware cost be saved.
Accompanying drawing explanation
Fig. 1 is a calcspar, illustrates that virtual machine graphics of the present invention produces the embodiment of system; And
Fig. 2 is a process flow diagram, and the embodiment of virtual machine graphics production method of the present invention is described.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in detail.
Refer to Fig. 1, the embodiment that virtual machine graphics of the present invention produces system comprises display adapter 1, storage module 9, is electrically connected this display adapter 1, storage module 9 and network communication interface 2 processing module 3 and a use side 7 for the network communication interface 2, connecting a network 6.In the present embodiment, this storage module 9 is an Installed System Memory (SystemMemory), and this processing module 3 is a central processing unit (CentralProcessingUnit).
This display adapter 1 comprises display memory 11 and a graphic operation unit 12 (GraphicsProcessingUnit is called for short GPU).
This processing module 3 is for performing batch processing to form one based on the virtual machine (Kernel-basedVirtualMachine of kernel, be called for short KVM) virtualized environment, this virtualized environment comprises the virtual machine of a client 4 and the virtual machine 5 of a host side.KVM is a kind of virtual basis be applicable in the kernel of (SuSE) Linux OS, KVM also needs one through the QEMU program of amendment to form this virtualized environment, this QEMU program is the emulator of an open source, for simulation hardware device and as the communication interface of virtual machinery compartment, about the operating mechanism of KVM virtualization environment for being familiar with technique known by person, and the emphasis of non-invention, so do not repeat its details at this.
This use side 7 comprises one for connecting network communication interface 71, computing unit 72 and a display unit 73 of this network 6.
The virtual machine 4 of this client has a virtual pattern driver 41 and a client emulates and communication program 42, and wherein the emulation of this client and communication program 42 are a client QEMU program.
The virtual machine of this host side 5 has the primary graphics driver 53 (nativegraphicdriver) of graphics architectures unit 51, Agent 52, and a host side emulates and communication program 54.In the present embodiment, this graphics architectures unit 51 is the DirectX graphic core subsystem (DirectXgraphicskernelsubsystem) just like dxgkrnl.sys, this Agent 52 can be a filter driver (filterdriver), this filter driver can operate to receive the communication instruction between this graphics architectures unit 51 and this primary graphics driver 53, and can operate to control this primary graphics driver 53, the emulation of this host side and communication program 54 are a host side QEMU program.
The virtual pattern driver 41 of the virtual machine 4 of this client is for emulating and communication program 42 via this client, transmit the virtual machine that to search in package to this virtualized environment other, the Agent 52 of the virtual machine 5 of this host side in this virtualized environment, for after receiving this search package via the emulation of this host side and communication program 54, transmits one via the emulation of this host side and communication program 54 and contains the address package of the address information of the virtual machine of this host side 5 to the virtual machine 4 of this client.
The virtual pattern driver 41 of the virtual machine 4 of this client, also for after receiving this address package via the emulation of this client and communication program 42, transmits a connection request to the virtual machine 5 of this host side via the emulation of this client and communication program 42.This Agent 52, also for when receiving this connection request from the virtual machine 4 of this client via the emulation of this host side and communication program 54, controls via this primary graphics driver 53 frame buffer (Framebuffer) that this display memory 11 reserved one corresponds to this connection request.
It is worth mentioning that, in the present embodiment, this connection request comprises a virtual desktop resolution, makes this Agent 52 can control via this primary graphics driver 53 frame buffer that this display memory 11 reserved one corresponds to this virtual desktop resolution.But, in other embodiments of the invention, this connection request also can not comprise this virtual desktop resolution, in in the case, when this Agent 52 receives this connection request from the virtual machine 4 of this client via the emulation of this host side and communication program 54, this display memory 11 reserved one is controlled more greatly and the comparatively normal frame buffer used via this primary graphics driver 53, it is such as the frame buffer of 1920 × 1080 × 4byte, whereby, the frame being less than or equal to 1920 × 1080 × 4byte all can be stored in the frame buffer of this 1920 × 1080 × 4byte, the frame buffer only formula citing of 1920 × 1080 described × 4byte, also the frame buffer that is greater than or less than 1920 × 1080 × 4byte can be reserved.
The virtual pattern driver 41 of the virtual machine 4 of this client is also for emulating and communication program 42 via this client, transmit at least one drawing for order and a frame relevant to this drawing for order causes the demand to the virtual machine 5 of this host side, this Agent 52 also for receive via the emulation of this host side and communication program 54 cause the demand from this drawing for order of the virtual machine 4 of this client and frame time, cause the demand according to this drawing for order and frame, control this graphic operation unit 12 via this primary graphics driver 53 and produce a frame, and control this graphic operation unit 12 this frame is stored in this frame buffer.
This Agent 52 is also for reading this frame from this frame buffer and this frame being stored in this storage module 9, and control this host side emulation and communication program 54 via this network communication interface 2, this frame being stored in this storage module 9 is sent to this use side 7, when the computing unit 72 of this use side 7, when network communication interface 71 via this use side 7 receives this frame, this computing unit 72 calculates the display frame caused the demand corresponding to this frame according to this frame, and this display frame is shown in this display unit 73.
It is worth mentioning that, in the present embodiment, the quantity of the virtual machine 4 of this client is one, but in other embodiments of the invention, the quantity of the virtual machine 4 of this client also can be more than two, in in the case, the quantity that the virtual machine of this host side 5 is similar to the virtual machine 4 of this client with the operation workflow of the virtual machine of each client 4 is the situation of, so do not repeat its details at this, wherein the virtual machine of this host side 5 causes the demand according to the drawing for order of the virtual machine 4 of each client and frame, control this graphic operation unit 12 in order via this primary graphics driver 53 to produce each frame and to cause the demand corresponding frame, and control the frame buffer that described frame is stored in correspondence by this graphic operation unit 12.In addition, in the present embodiment, this Agent 52 is that this frame is sent to this use side 7; But in other embodiments of the invention, this frame being stored in this storage module 9 also via the emulation of this host side and communication program 54, can be sent to the virtual machine 4 of this client by this Agent 52.In addition, the host side operating system performed by the virtual machine of this host side 5 and the client operating system performed by the virtual machine 4 of this client are compatible operating system, e.g., and Windows operating system.
The drawing application program supported due to different operating system is also thereupon different, as (SuSE) Linux OS the drawing application program supported be open graphic library (OpenGraphicsLibrary, be called for short OpenGL), and the drawing application program that Windows operating system is supported is DirectX (DirecteXtension is called for short DX).If the host side operating system performed by the virtual machine 5 of this host side is (SuSE) Linux OS, and the client operating system that the virtual machine 4 of this client performs is Windows operating system, then when the virtual machine of this host side 5 receives the drawing for order of the virtual machine 4 of this client and frame causes the demand, the virtual machine of this host side 5 must first undertaken DirectX and OpenGL by existing converse routine Wine between conversion after, just can control this graphic operation unit 12 via this primary graphics driver 53 and produce this frame; But the part drawing function that DirectX provides is not subject to the support of OpenGL, and the conversion process between carry out DirectX and OpenGL need expend calculation resources and time.Therefore, by performing compatible operating system at the virtual machine of this host side 5 and the virtual machine 4 of this client, the extra conversion process because compatibility produces can be avoided, and then figure generation efficiency can be promoted.
Consult Fig. 1 and Fig. 2, the embodiment of virtual machine graphics production method of the present invention, be applicable to this virtual machine graphics and produce system, the method comprises the following step.
As shown in step 81, by this processing module 3, perform this group program to form the virtualized environment that this comprises the virtual machine based on kernel of the virtual machine of this host side 5 and the virtual machine 4 of this client.
As shown at step 82, by the virtual pattern driver 41 of the virtual machine 4 of this client via the emulation of this client and communication program 42, to transmit in this search package to this virtualized environment other virtual machine 5.
As shown in step 83, after the Agent 52 of the virtual machine 5 of the host side in this virtualized environment receives this search package via the emulation of this host side and communication program 54, emulated and communication program 54 via this host side by the Agent 52 of the virtual machine 5 of this host side, transmit this address package containing the address information of the virtual machine of this host side 5 to the virtual machine 4 of this client.
As indicated in step 84, when the Agent 52 of the virtual machine of this host side 5 receives this connection request from the virtual machine 4 of this client via the emulation of this host side and communication program 54, by the Agent 52 of the virtual machine of this host side 5 via this primary graphics driver 53, control this display memory 11 and reserve the frame buffer that this corresponds to this connection request, wherein this connection request comprises this virtual desktop resolution.
As shown in step 85, when the Agent 52 of the virtual machine of this host side 5 receive cause the demand from this drawing for order of the virtual machine of this client 4 and the frame relevant to this drawing for order time, cause the demand via this primary graphics driver 53 by the Agent 52 of the virtual machine of this host side 5 according to this drawing for order and frame, control this graphic operation unit 12 and produce this frame, and control this graphic operation unit 12 this frame is stored in this frame buffer.
As shown in step 86, by the Agent 52 of the virtual machine 5 of this host side, read this frame from this frame buffer and this frame is stored in this storage module 9, and via this network communication interface 2, this frame being stored in this storage module 9 being sent to this use side 7.
As shown in step 87, when the computing unit 72 of this use side 7, when network communication interface 71 via this use side 7 receives this frame, calculate this display frame caused the demand corresponding to this frame by this computing unit 72 according to this frame, and this display frame is shown in this display unit 73.
In the present embodiment, the host side operating system performed by the virtual machine of this host side 5 and the client operating system performed by the virtual machine 4 of this client are compatible operating system, e.g., and Windows operating system.
In sum, by this Agent 52 via this primary graphics driver 53, control this display memory 11 and reserve the frame buffer that this corresponds to this connection request, and cause the demand via this primary graphics driver 53 according to this drawing for order and frame, control this graphic operation unit 12 and produce this frame, and control this graphic operation unit 12 this frame is stored in this frame buffer, to reach the object utilizing the virtual machine 5 of this host side to access this graphic operation unit 12, whereby, significantly can promote the graphic operation efficiency of virtual machine, in addition, because this display adapter 1 corresponds to the virtual machine 5 of this host side, the graphic operation unit 12 of this display adapter 1 is only controlled by the virtual machine 5 of this host side and is not controlled by the virtual machine 4 of this client, so the display adapter 1 that virtual machine graphics production method of the present invention uses is the general display adapter 1 that price is lower on the market, moreover, the intermediate calculation results such as the figure coordinate information that it need not be produced in calculating process in the calculating process of this frame of generation due to this graphic operation unit 12 or YUV color space are sent to this Agent 52 one by one, and be sent to the virtual machine 4 of this client by this Agent 52 via the emulation of this host side and communication program 54, can avoid whereby expending operation time because transmitting this intermediate calculation results under inessential situation and promoting the fast operand of process mould, and then figure generation efficiency can be promoted, so really object of the present invention can be reached.
As described above, be only preferred embodiment of the present invention, and when not limiting scope of the invention process with this, namely all simple equivalences done according to claims of the present invention and description change and modify, and all still belong to the scope of patent of the present invention.
Claims (10)
1. a virtual machine graphics production method, by a processing module and this processing module of electrical connection, and the display adapter comprising a display memory and a graphic operation unit is implemented, and it is characterized in that, the method includes the steps of:
(A) by this processing module, batch processing is performed to form the virtualized environment that comprises the virtual machine of a host side and the virtual machine of a client;
(B) when the virtual machine of this host side receives the connection request from the virtual machine of this client, by the virtual machine of this host side, control this display memory and reserve the frame buffer that corresponds to this connection request; And
(C) when the virtual machine of this host side receive cause the demand from least one drawing for order of the virtual machine of this client and a frame relevant to this drawing for order time, caused the demand according to this drawing for order and frame by the virtual machine of this host side, control this graphic operation unit and produce a frame, and control this graphic operation unit this frame is stored in this frame buffer.
2. virtual machine graphics production method according to claim 1, is characterized in that: the operating system performed by the virtual machine of this host side and the operating system performed by the virtual machine of this client are compatible operating system.
3. virtual machine graphics production method according to claim 1, it is characterized in that: after this step (C), the method also comprises a step (D), by the virtual machine of this host side, read this frame from this frame buffer and this frame is stored in a storage module, and this frame being stored in this storage module is sent to the virtual machine of this client.
4. virtual machine graphics production method according to claim 1, is characterized in that: after this step (C), the method also comprises following steps:
(E) by the virtual machine of this host side, read this frame from this frame buffer and this frame is stored in a storage module, and via a communication network, this frame being stored in this storage module being sent to a use side; And
(F) when this use side receives this frame, by this use side, according to this frame, the display frame caused the demand corresponding to this frame is demonstrated.
5. virtual machine graphics production method according to claim 1, is characterized in that: between this step (A) and (B), the method also comprises following steps:
(G) by the virtual machine of this client, the virtual machine that to search in package to this virtualized environment other is transmitted; And
(H) after the virtual machine of the host side in this virtualized environment receives this search package, by the virtual machine of this host side, transmit one and contain the address package of the address information of the virtual machine of this host side to the virtual machine of this client.
6. virtual machine graphics produces a system, comprises the display adapter that comprises a display memory and a graphic operation unit, it is characterized in that:
This system also comprises a processing module, and this processing module is for performing batch processing to form a virtualized environment, and this virtualized environment comprises:
The virtual machine of one client, has a virtual pattern driver and a client emulates and communication program, and
The virtual machine of one host side, there is a primary graphics driver, one host side emulation and communication program, and an Agent, this Agent is used for when receiving the connection request from the virtual machine of this client via the emulation of this host side and communication program, control this display memory via this primary graphics driver and reserve the frame buffer that corresponds to this connection request, and for receive via the emulation of this host side and communication program cause the demand from least one drawing for order of the virtual machine of this client and a frame relevant to this drawing for order time, this Agent causes the demand according to this drawing for order and frame, control this graphic operation unit via this primary graphics driver and produce a frame, and control this graphic operation unit this frame is stored in this frame buffer.
7. virtual machine graphics according to claim 6 produces system, it is characterized in that: the operating system performed by the virtual machine of this host side and the operating system performed by the virtual machine of this client are compatible operating system.
8. virtual machine graphics according to claim 6 produces system, it is characterized in that: this system also comprises the storage module of this processing module of electrical connection, the Agent of the virtual machine of this host side is also for reading this frame from this frame buffer and this frame being stored in this storage module, and via the emulation of this host side and communication program, this frame being stored in this storage module is sent to the virtual machine of this client.
9. virtual machine graphics according to claim 6 produces system, it is characterized in that: this system also comprises the storage module of this processing module of electrical connection, one electrical connection this processing module for connecting a network of network communication interface, one for connecting the use side of this network, the Agent of the virtual machine of this host side is also for reading this frame from this frame buffer and this frame being stored in this storage module, and control this host side emulation and communication program via this network communication interface, this frame being stored in this storage module is sent to this use side, to make this use side, the display frame caused the demand corresponding to this frame is demonstrated according to this frame.
10. virtual machine graphics according to claim 6 produces system, it is characterized in that: the virtual pattern driver of the virtual machine of this client, for emulating and communication program via this client, transmit the virtual machine that to search in package to this virtualized environment other, the Agent of the virtual machine of this host side in this virtualized environment, also for after receiving this search package via the emulation of this host side and communication program, transmit one via the emulation of this host side and communication program and contain the address package of the address information of the virtual machine of this host side to the virtual machine of this client.
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| CN109697102A (en) * | 2017-10-23 | 2019-04-30 | 阿里巴巴集团控股有限公司 | A kind of method and device for realizing virtual machine desktop access |
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| CN109697102A (en) * | 2017-10-23 | 2019-04-30 | 阿里巴巴集团控股有限公司 | A kind of method and device for realizing virtual machine desktop access |
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Application publication date: 20160302 |