log

• Command Function
• Syntax
• Parameter Description
• Usage
• Example
• Output

Command Function

This command is used to modify and query log configurations.

Syntax

log level [levelNum]

Parameter Description

Table 1 Parameters

Usage

• This command depends on LOSCFG_SHELL_LK. Before running this command, enable the Enable Shell lk configuration item using 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 is printed.

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

Example

Enter log level 4.

Output