1e41f4b71Sopenharmony_ci# log 2e41f4b71Sopenharmony_ci 3e41f4b71Sopenharmony_ci 4e41f4b71Sopenharmony_ci## 命令功能 5e41f4b71Sopenharmony_ci 6e41f4b71Sopenharmony_cilog命令用于修改&查询日志配置。 7e41f4b71Sopenharmony_ci 8e41f4b71Sopenharmony_ci 9e41f4b71Sopenharmony_ci## 命令格式 10e41f4b71Sopenharmony_ci 11e41f4b71Sopenharmony_cilog level [_levelNum_] 12e41f4b71Sopenharmony_ci 13e41f4b71Sopenharmony_ci 14e41f4b71Sopenharmony_ci## 参数说明 15e41f4b71Sopenharmony_ci 16e41f4b71Sopenharmony_ci**表1** 参数说明 17e41f4b71Sopenharmony_ci 18e41f4b71Sopenharmony_ci| 参数 | 参数说明 | 取值范围 | 19e41f4b71Sopenharmony_ci| -------- | -------- | -------- | 20e41f4b71Sopenharmony_ci| levelNum | 配置日志打印等级。 | [0, 5] | 21e41f4b71Sopenharmony_ci 22e41f4b71Sopenharmony_ci 23e41f4b71Sopenharmony_ci## 使用指南 24e41f4b71Sopenharmony_ci 25e41f4b71Sopenharmony_ci- 该命令依赖于LOSCFG_SHELL_LK，使用时通过menuconfig在配置项中开启"Enable Shell lk"： 26e41f4b71Sopenharmony_ci Debug ---> Enable a Debug Version ---> Enable Shell ---> Enable Shell lK。 27e41f4b71Sopenharmony_ci 28e41f4b71Sopenharmony_ci- log level命令用于配置日志的打印等级，包括6个等级 29e41f4b71Sopenharmony_ci TRACE_EMG = 0, 30e41f4b71Sopenharmony_ci 31e41f4b71Sopenharmony_ci TRACE_COMMON = 1, 32e41f4b71Sopenharmony_ci 33e41f4b71Sopenharmony_ci TRACE_ERROR = 2, 34e41f4b71Sopenharmony_ci 35e41f4b71Sopenharmony_ci TRACE_WARN = 3, 36e41f4b71Sopenharmony_ci 37e41f4b71Sopenharmony_ci TRACE_INFO = 4, 38e41f4b71Sopenharmony_ci 39e41f4b71Sopenharmony_ci TRACE_DEBUG = 5 40e41f4b71Sopenharmony_ci 41e41f4b71Sopenharmony_ci 若level不在有效范围内，会打印提示信息。 42e41f4b71Sopenharmony_ci 43e41f4b71Sopenharmony_ci 44e41f4b71Sopenharmony_ci- 开源小型系统源码设置level 为4或者5会有超多打印。 45e41f4b71Sopenharmony_ci 46e41f4b71Sopenharmony_ci 47e41f4b71Sopenharmony_ci## 使用实例 48e41f4b71Sopenharmony_ci 49e41f4b71Sopenharmony_ci举例：输入log level 3 50e41f4b71Sopenharmony_ci 51e41f4b71Sopenharmony_ci 52e41f4b71Sopenharmony_ci## 输出说明 53e41f4b71Sopenharmony_ci 54e41f4b71Sopenharmony_ci**示例** 设置当前日志打印级别为3 55e41f4b71Sopenharmony_ci 56e41f4b71Sopenharmony_ci 57e41f4b71Sopenharmony_ci``` 58e41f4b71Sopenharmony_ciOHOS # log level 3 59e41f4b71Sopenharmony_ciSet current log level WARN 60e41f4b71Sopenharmony_ci``` 61