959 	u32 nr_groups = evlist->nr_groups;  in write_group_desc()  local
963 	ret = do_write(ff, &nr_groups, sizeof(nr_groups));  in write_group_desc()
2314 	u32 i, nr, nr_groups;  in process_group_desc()  local
2323 	if (do_read_u32(ff, &nr_groups))  in process_group_desc()
2326 	ff->ph->env.nr_groups = nr_groups;  in process_group_desc()
2327 	if (!nr_groups) {  in process_group_desc()
2332 	desc = calloc(nr_groups, sizeof(*desc));  in process_group_desc()
2336 	for (i = 0; i < nr_groups; i++) {  in process_group_desc()
2352 	session->evlist->nr_groups = nr_groups;  in process_group_desc()
2365 			if (i >= nr_groups || nr > 0) {  in process_group_desc()
2381 	if (i != nr_groups || nr != 0) {  in process_group_desc()
2388 	for (i = 0; i < nr_groups; i++)  in process_group_desc()