log

Command Function

This command is used to modify and query log configurations.

Syntax

log level [levelNum]

Parameters

Table 1 Parameter description

Parameter

Description

Value Range

levelNum

Specifies the print level of logs.

[0x0, 0x5]

Usage

  • This command depends on LOSCFG_SHELL_LK. Before using this command, select Enable Shell lk on menuconfig.

    Debug ---> Enable a Debug Version ---> Enable Shell ---> Enable Shell lK

  • The log level command is used to configure log levels, which can be:

    TRACE_EMG = 0,

    TRACE_COMMON = 1,

    TRACE_ERROR = 2,

    TRACE_WARN = 3,

    TRACE_INFO = 4,

    TRACE_DEBUG = 5

    If the level is not within the valid range, a message will be displayed.

  • If the [levelNum] parameter is not specified, the current log level and its usage are printed by default.

Example

Example:

Run log level 4.

Output