Virtual machine monitor, virtual machine system and client operation system state acquiring method

Abstract

The invention provides a virtual machine monitor, a virtual machine system and a client operation system state acquiring method. The virtual machine monitor comprises a memory module, an acquiring module, a first client operation system and a first data information reading module, wherein the memory module is used for storing one correspondence relationship and can acquire the actual physical memory information used by a client operation system; the acquiring module is used for determining the first actual physical memory corresponding to the first client operation system indicated in state acquiring instructions according to the correspondence relationship after receiving the state acquiring instructions, the first client operation system is one system of the client operation systems, and the first data information reading module is used for reading the first data information in the first actual physical memory. The acquisition of the actual physical memory information used by GOS under the virtual state becomes possible by utilizing the invention.

Description

technical field [0001] The invention relates to the field of virtual technology, in particular to a virtual machine monitor, a virtual machine system and a method for acquiring the state of a guest operating system. Background technique [0002] In computers, the stability of the operating system is very important. However, no matter how stable the operating system is, there may be crashes, blue screens, black screens, etc., which will cause all applications under the operating system to fail to continue to execute, and the computer can only be restarted. [0003] In order to find out the cause of the problem in the operating system, in the prior art, when the operating system crashes, blue screen, black screen, etc., the system will automatically generate a DUMP file, which records the computer system when the operating system has a problem. The content in the memory, the user or Debugger (debugger) can analyze why the operating system has problems according to the DUMP fi...

AI Technical Summary

Problems solved by technology

[0006] In the existing virtual machine system, due to the particularity of hardware resource allocation, when the GOS is in normal state, if the current system state needs to be obtained, the state acquisition operation is performed, but at this time only the data can be obtained in the virtual machine allocated by the VMM. The situation in the memory, but the data situation of the actual physical memory actually used by the GOS cannot be obtained;

[0007] And once GOS crashes, blue screen, black screen, application error and other failures, it is possible that the data information of the virtual memory cannot be obtained

[0008] Therefore, regardless of whether the state of the GOS is normal or not, the existing virtual machine system can only obtain the data in the virtual virtual memory of the VMM at most, which is not conducive to a complete and thorough system operation status analysis

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