Bug #59273 show profile source doesn't show Source_function or truncates Source_file

Fixed the 'show profile source' part of the bug.
Leaving SHOW ENGINE INNODB MUTEX to a separate patch.

sql/sql_class.cc

@@ -272,10 +272,11 @@ const char *set_thd_proc_info(void *thd_arg, const char *info,
     thd= current_thd;
 
   const char *old_info= thd->proc_info;
-  DBUG_PRINT("proc_info", ("%s:%d  %s", calling_file, calling_line,
-                           (info != NULL) ? info : "(null)"));
+  const char *basename= calling_file ? base_name(calling_file) : NULL;
+  DBUG_PRINT("proc_info", ("%s:%d  %s", basename, calling_line, info));
+
 #if defined(ENABLED_PROFILING)
-  thd->profiling.status_change(info, calling_function, calling_file, calling_line);
+  thd->profiling.status_change(info, calling_function, basename, calling_line);
 #endif
   thd->proc_info= info;
   return old_info;