[log filter syntax]
level:D // debug only level:D* // debug and higher (info, warn, error) app:com.test.pm // app name equals tag:HD_* // tag start with "HD_" tag:HD_ // tag ends with "HD_" tag:!HD_ // tag does NOT end with "HD_" msg:"hello world" // message contains "hello world" *:hello // any field contains "hello"
[combining multiple filteres]
FILTER1 && FILTER2 && FILTER3