Virtual machine monitoring method and system
A virtual machine monitoring and virtual machine technology, applied in the field of virtual machine monitoring methods and systems, can solve the problems of low instruction execution efficiency of virtual machines, waste of CPU resources, etc., and achieve the effects of improving practicability, improving performance, and avoiding waste
Active Publication Date: 2015-07-15
NSFOCUS INFORMATION TECHNOLOGY CO LTD +1
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Problems solved by technology
[0005] The present invention provides a virtual machine monitoring method and system, which are used to reduce the waste of virtual machine CPU resources and the low efficiency of virtual machine instruction execution caused by the above-mentioned virtual machine monitoring in the prior art
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[0027] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] figure 2 It is a flow chart of Embodiment 1 of the virtual machine monitoring method of the present invention, as figure 2 As shown, the method of the present embodiment includes:
[0029] Step 201. Obtain a virtual instruction block of a virtual machine operating system, where the virtual instruction block includes a plurality of virtual instructions.
[0030] When the virtual machine operating system executes each virtual instruction, it first reads the instruction, translates the instruction into a language recognizable by the machine, and finally executes the instruction. In the monitoring method of this embodiment, firstly, a virtual instruction block containing multiple virtual instructions in the virtual machine operating system is obtained, and then instruction insertion is performed in the instruction translation stage.
[0031] St...
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The invention discloses a virtual machine monitoring method and a system. The virtual machine monitoring method comprises the following steps: obtaining the virtual instruction block of a virtual machine operation system, wherein the virtual instruction block comprises multiple virtual instructions; in the translation phase of the virtual instruction block, determining whether the address of the current translated virtual instruction is in the address range of monitoring breakpoints preset in a monitoring breakpoint list or not; if yes, setting a first monitoring breakpoint to the virtual instruction; and when implementing the virtual instruction, implementing monitoring according to the first monitoring breakpoint. The method is suitable for setting the monitoring breakpoints in the instruction translation phase and does not need to inspect the monitoring breakpoints in the instruction implementing phase, so that the implementing efficiency of a virtual machine is improved, and the performance of the virtual machine can be effectively improved.
Description
technical field [0001] The invention relates to computer security technology, in particular to a virtual machine monitoring method and system. Background technique [0002] Computer security is one of the important topics in the field of computer technology. With the development of computer technology, people have used various means to monitor and prevent computer attacks to ensure the security of computer systems. [0003] figure 1 It is a flow chart of the virtual machine instruction insertion method in the existing virtual machine security monitoring technology. When the virtual machine performs instruction operations, it first obtains the virtual instruction block, then translates the instruction block into a language recognizable by the machine, and finally Execute the corresponding command. like figure 1 As shown, in the instruction operation process, its virtual machine monitoring is set in the instruction execution process, specifically: when the central processin...
Claims
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IPC IPC(8): G06F9/50G06F9/455
Inventor 刘业欣邱鹏
Owner NSFOCUS INFORMATION TECHNOLOGY CO LTD