781 	u32 nr_groups = evlist->core.nr_groups;  in write_group_desc()  local
785 	ret = do_write(ff, &nr_groups, sizeof(nr_groups));  in write_group_desc()
2700 	u32 i, nr, nr_groups;  in process_group_desc()  local
2709 	if (do_read_u32(ff, &nr_groups))  in process_group_desc()
2712 	ff->ph->env.nr_groups = nr_groups;  in process_group_desc()
2713 	if (!nr_groups) {  in process_group_desc()
2718 	desc = calloc(nr_groups, sizeof(*desc));  in process_group_desc()
2722 	for (i = 0; i < nr_groups; i++) {  in process_group_desc()
2738 	session->evlist->core.nr_groups = nr_groups;  in process_group_desc()
2751 			if (i >= nr_groups || nr > 0) {  in process_group_desc()
2767 	if (i != nr_groups || nr != 0) {  in process_group_desc()
2774 	for (i = 0; i < nr_groups; i++)  in process_group_desc()