*
* This function frees a trace_event if it can be freed, ie, if it has the free_me flag set to 1.
* This flag indicates whether the structure is still used somewhere or not.
* When the structure is freed, the argument is set to nullptr
*
* This function frees a trace_event if it can be freed, ie, if it has the free_me flag set to 1.
* This flag indicates whether the structure is still used somewhere or not.
* When the structure is freed, the argument is set to nullptr