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Information snapshooting method and device, and CPU

A technology of snapshot and abnormal information, applied in the field of network communication, can solve the problems of inability to obtain abnormal on-site information, and the inability of maintenance personnel to locate remotely, and achieve the effect of improving maintainability and maintenance efficiency

Inactive Publication Date: 2017-08-18
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] This application provides an information snapshot method, equipment and CPU to solve the problem in the prior art that when a special type of abnormality occurs, the abnormal CPU cannot obtain the abnormal site information, resulting in maintenance personnel being unable to remotely locate the cause of the abnormality

Method used

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  • Information snapshooting method and device, and CPU
  • Information snapshooting method and device, and CPU
  • Information snapshooting method and device, and CPU

Examples

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Embodiment Construction

[0019] Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present application as recited in the appended claims.

[0020] The terminology used in this application is for the purpose of describing particular embodiments only, and is not intended to limit the application. As used in this application and the appended claims, the singular forms "a", "the", and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. It should also be understood that the term...

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Abstract

The invention provides an information snapshooting method and device, and a CPU. The CPU comprises an information snapshooting apparatus, a CPU universal register and a CPU memory unit; the information snapshooting apparatus is connected with the CPU universal register and the CPU memory unit; the information snapshooting apparatus is used for receiving a snapshooting triggering instruction used for an abnormal CPU and sent by a watch dog; abnormal field information corresponding to the abnormal CPU is snapshot according to the snapshooting triggering instruction, so that snapshot information is obtained; and the snapshot information is stored in an abnormal information storage medium. According to the method and the device, hardware snapshooting of the abnormal field information can be realized by utilizing the information snapshooting apparatus in the CPU, so that the situation that the abnormal field information cannot be stored when a special type of abnormality occurs can be avoided, repairers can remotely locate the reasons for CPU abnormality according to the snapshot information, and the maintainability and maintenance efficiency of the CPU are improved.

Description

technical field [0001] The present application relates to the technical field of network communication, in particular to an information snapshot method, device and CPU. Background technique [0002] A CPU (Central Processing Unit, central processing unit) exception is an event, and the CPU exception is an event processing caused by a CPU instruction, an internal timer, a debugging event, or an error condition. [0003] At present, when the CPU is running an application program, when an exception occurs in the CPU, the CPU will first execute the currently running application program instruction; then the CPU extracts the exception handler instruction from the address specified by the exception type and starts exception processing (that is, the CPU executes Exception handler), and save the abnormal scene information. [0004] However, when a special type of exception occurs, such as: CPU abnormal nesting occurs or CPU access to external IO (In / Out, input / output) devices hangs...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F17/30G06F11/07
CPCG06F11/0757G06F11/0766G06F16/128
Inventor 赵志宇
Owner NEW H3C TECH CO LTD
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