Generate a log record and pass it to the logging system.
logdebug(msg, ..., logger = "")loginfo(msg, ..., logger = "")
logwarn(msg, ..., logger = "")
logerror(msg, ..., logger = "")
the textual message to be output, or the format for the ... arguments
if present, msg is interpreted as a format and the ... values are passed to it to form the actual message.
the name of the logger to which we pass the record
A log record gets timestamped and will be independently formatted by each
of the handlers handling it.
Leading and trailing whitespace is stripped from the final message.