logcat的参数说明

Logcat 参数详解

最新推荐文章于 2025-07-12 11:01:09 发布

shichao2008

最新推荐文章于 2025-07-12 11:01:09 发布

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文章标签： buffer filter android include thread output

本文链接：https://blog.youkuaiyun.com/shichao2008/article/details/5835421

本文详细介绍了 Android 开发中 logcat 工具的使用方法及各项参数含义，包括设置默认过滤级别、日志输出格式等高级功能。

附 logcat的参数说明,这个说明比较难找我是无意间发现的
adb logcat .....

代码
Usage: logcat [options] [filterspecs]
options include:
-s              Set default filter to silent.
                  Like specifying filterspec '*:s'
-f <filename>   Log to file. Default to stdout
-r [<kbytes>]   Rotate log every kbytes. (16 if unspecified). Requires -f
-n <count>      Sets max number of rotated logs to <count>, default 4
-v <format>     Sets the log print format, where <format> is one of:

                  brief process tag thread raw time long

-c              clear (flush) the entire log and exit
-d              dump the log and then exit (don't block)
-g              get the size of the log's ring buffer and exit
-b <buffer>     request alternate ring buffer, defaults to 'main'
filterspecs are a series of
<tag>[:priority]

where <tag> is a log component tag (or * for all) and priority is:
V    Verbose
D    Debug
I    Info
W    Warn
E    Error
F    Fatal
S    Silent (supress all output)

'*' means '*:d' and <tag> by itself means <tag>:v

If not specified on the commandline, filterspec is set from ANDROID_LOG_TAG
If no filterspec is found, filter defaults to '*:I'

If not specified with -v, format is set from ANDROID_PRINTF_LOG
or defaults to "brief"