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Method and device for saving Linux kernel print information

A technology for printing information and kernel, which is applied in the field of Linux kernel, and can solve problems such as complex file writing operations in the processing process

Active Publication Date: 2016-06-08
ALIBABA GRP HLDG LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present application provides a method and device for saving the printing information of the Linux kernel, so as to solve the problem in the prior art that the processing flow of recording the printing information of the kernel that has been started multiple times is too complicated and involves file writing operations

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  • Method and device for saving Linux kernel print information
  • Method and device for saving Linux kernel print information
  • Method and device for saving Linux kernel print information

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Embodiment Construction

[0092] In the following description, numerous specific details are set forth in order to provide a thorough understanding of the application. However, the present application can be implemented in many other ways different from those described here, and those skilled in the art can make similar promotions without violating the connotation of the present application. Therefore, the present application is not limited by the specific implementation disclosed below.

[0093] In the embodiment of the present application, a method and an apparatus for storing printing information of the Linux kernel are provided. Each will be described in detail in the following examples.

[0094] Please refer to figure 1 , which is a flow chart of an embodiment of a method for saving Linux kernel print information according to an embodiment of the present application. The method comprises the steps of:

[0095] Step S101: Receive kernel printing information.

[0096] The kernel print informatio...

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Abstract

The invention discloses a method and device for saving Linux kernel print information. The method for saving the Linux kernel print information includes: receiving the kernel print information; acquiring use state data of an annular buffer zone retaining internal storage; and storing the kernel print information in the annular buffer zone retaining internal storage according to the use state data. The method can record multi-enabled kernel printing information in an uninterrupted power condition, can avoid multi-process handing and a file write operation, and can improve the real-time effect of recording the multi-enabled kernel printing information.

Description

technical field [0001] This application relates to the field of Linux kernel, in particular to a method and device for storing printing information of Linux kernel. Background technique [0002] Linux is an integrated kernel system, which is essentially a system software that provides functions such as hardware abstraction layer, disk and file system control, and multitasking. A complete operating system based on the Linux kernel is called the Linux operating system. At present, the Linux operating system is increasingly widely used for its high efficiency and flexibility. In the actual running process of the Linux operating system, in order to enhance the stability of the operating system, it is necessary to check the kernel print information in the log recording area, so as to analyze the status information when the system is abnormal, and effectively locate the cause of the system abnormality. System exceptions that occur in the Linux kernel include operating system res...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F9/44
Inventor 王胜华
Owner ALIBABA GRP HLDG LTD
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