Add definitions for trace events to show the scanning flow.
Signed-off-by: NEddie James <eajames@linux.ibm.com>
Reviewed-by: NSteven Rostedt (Google) <rostedt@goodmis.org>
Link: https://lore.kernel.org/r/20220207161640.35605-1-eajames@linux.ibm.comSigned-off-by: NJoel Stanley <joel@jms.id.au>