A debug printing method and debug printing system

Abstract

The invention discloses a debugging printing method, which includes the following steps: Step 1: start the debugging printing system to determine the debugging printing level of the process; Step 2: compare the debugging printing level imported by the external interface with the priority of the debugging printing level of the process, If the priority of the debugging printing level passed in by the external interface is lower than the debugging printing level of the process, then the debugging printing ends, otherwise, the next step; Step 3: Determine the output terminal of the debugging printing information and output it. Also disclosed is a debugging printing system, comprising: a debugging printing information output module outputting process debugging printing information; a kernel printing information output module grabbing and outputting the kernel debugging printing information of the process; a command configuration module configuring all processes or individual Sets the level of debug printing for each process. The present invention can be used easily, adopts a single interface, does not need to reserve an interface and consider complex logic; and can also obtain system debugging and printing information through different terminals.

Description

technical field [0001] The invention relates to a debugging printing, in particular to a Linux-based debugging printing method and a debugging printing system. Background technique [0002] The debugging printing method that is often used now is to output the debugging printing information to the default terminal, and output the debugging printing information of the kernel to the default TTY device, and configure the debugging printing level of the application through inter-process communication. [0003] Existing solutions cannot change the output terminal of debugging information after the application program is started, remotely log in to a running system, and cannot output the system's debugging print information to the logged-in terminal. [0004] Existing solutions need to call multiple interfaces during the application process, such as creating, configuring, using, and closing these steps. For debugging and printing levels, it needs to be configured through inter-proc...

AI Technical Summary

Problems solved by technology

[0003] Existing solutions cannot change the output terminal of debugging information after the application is started, remotely log in to a running system, and cannot output the system’s debugging print information to the logged-in terminal

[0004] Existing solutions need to call multiple interfaces during the application process, such as creating, configuring, using, and closing these steps. For debugging and printing levels, it needs to be configured through inter-process communication, which requires the application to monitor the corresponding communication Interface, developers are often accustomed to using simple debugging and printing methods in the development process

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