Android ADB logcat

 

Print the specified filtering information

ADB logcat-s "system. Out"

 

Wanqi @ wanqi-system-product-Name :~ /Huiye_qrd_e8/7x27a-11302301 $ ADB Shell
# Logcat-help
Unknown option -- hunrecognized Option
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:

Brief process tag thread raw time threadtime long

-C clear (flush) the entire log and exit
-D dump the log and then exit (don't block)
-T <count> Print only the most recent <count> lines (implies-d)
-G get the size of the log's ring buffer and exit
-B <buffer> Request alternate ring Buffer
('Main' (default), 'Radio ', 'events ')
-B output the log in binary
Filterspecs are a series
<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)

'* 'Weight' *: d' and <tag> by itself means <tag>: V

If not specified on the CommandLine, filterspec is set from android_log_tags.
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"