extern int sort__need_collapse;
extern int sort__has_parent;
extern int sort__has_sym;
+extern int sort__has_socket;
extern enum sort_mode sort__mode;
extern struct sort_entry sort_comm;
extern struct sort_entry sort_dso;
SORT_SYM,
SORT_PARENT,
SORT_CPU,
+ SORT_SOCKET,
SORT_SRCLINE,
SORT_SRCFILE,
SORT_LOCAL_WEIGHT,