3632 	struct perf_pipe_file_header f_header;  in perf_header__write_pipe()  local
3638 	f_header = (struct perf_pipe_file_header){  in perf_header__write_pipe()
3640 		.size	   = sizeof(f_header),  in perf_header__write_pipe()
3643 	err = do_write(&ff, &f_header, sizeof(f_header));  in perf_header__write_pipe()
3657 	struct perf_file_header f_header;  in perf_session__do_write_header()  local
3666 	lseek(fd, sizeof(f_header), SEEK_SET);  in perf_session__do_write_header()
3712 	f_header = (struct perf_file_header){  in perf_session__do_write_header()
3714 		.size	   = sizeof(f_header),  in perf_session__do_write_header()
3727 	memcpy(&f_header.adds_features, &header->adds_features, sizeof(header->adds_features));  in perf_session__do_write_header()
3730 	err = do_write(&ff, &f_header, sizeof(f_header));  in perf_session__do_write_header()
4069 	struct perf_pipe_file_header f_header;  in perf_header__read_pipe()  local
4071 	if (perf_file_header__read_pipe(&f_header, header, session->data,  in perf_header__read_pipe()
4077 	return f_header.size == sizeof(f_header) ? 0 : -1;  in perf_header__read_pipe()
4176 	struct perf_file_header	f_header;  in perf_session__read_header()  local
4199 	if (perf_file_header__read(&f_header, header, fd) < 0)  in perf_session__read_header()
4213 	if (f_header.data.size == 0) {  in perf_session__read_header()
4219 	if (f_header.attr_size == 0) {  in perf_session__read_header()
4226 	nr_attrs = f_header.attrs.size / f_header.attr_size;  in perf_session__read_header()
4227 	lseek(fd, f_header.attrs.offset, SEEK_SET);  in perf_session__read_header()