Add extra long argument '--verbose <VERBOSE LEVEL>' to add more log
levels Default is error. Legacy'-v' parameter is translated into INFO
log level.
Some parts of code are logged using DEBUG level.
Change-Id: I2aaa6e2fbaf9b2101c6eeaec0cef6141636f135b
Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com>
Reviewed-on: https://review.gerrithub.io/c/spdk/spdk/+/436528
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>