47 void perf_header__set_feat(struct perf_header *header, int feat)  in perf_header__set_feat()  argument
49 	set_bit(feat, header->adds_features);  in perf_header__set_feat()
52 void perf_header__clear_feat(struct perf_header *header, int feat)  in perf_header__clear_feat()  argument
54 	clear_bit(feat, header->adds_features);  in perf_header__clear_feat()
57 bool perf_header__has_feat(const struct perf_header *header, int feat)  in perf_header__has_feat()  argument
59 	return test_bit(feat, header->adds_features);  in perf_header__has_feat()
151 	session = container_of(h, struct perf_session, header);  in write_build_id()
863 	session = container_of(h, struct perf_session, header);  in write_auxtrace()
1206 	session = container_of(ph, struct perf_session, header);  in print_group_desc()
1238 	cpumode = bev->header.misc & PERF_RECORD_MISC_CPUMODE_MASK;  in __event_process_build_id()
1276 static int perf_header__read_build_ids_abi_quirk(struct perf_header *header,  in perf_header__read_build_ids_abi_quirk()  argument
1279 	struct perf_session *session = container_of(header, struct perf_session, header);  in perf_header__read_build_ids_abi_quirk()
1281 		struct perf_event_header   header;  in perf_header__read_build_ids_abi_quirk()  member
1295 		if (header->needs_swap)  in perf_header__read_build_ids_abi_quirk()
1296 			perf_event_header__bswap(&old_bev.header);  in perf_header__read_build_ids_abi_quirk()
1298 		len = old_bev.header.size - sizeof(old_bev);  in perf_header__read_build_ids_abi_quirk()
1302 		bev.header = old_bev.header;  in perf_header__read_build_ids_abi_quirk()
1309 		if (bev.header.misc == PERF_RECORD_MISC_GUEST_USER ||  in perf_header__read_build_ids_abi_quirk()
1310 		    bev.header.misc == PERF_RECORD_MISC_GUEST_KERNEL)  in perf_header__read_build_ids_abi_quirk()
1316 		offset += bev.header.size;  in perf_header__read_build_ids_abi_quirk()
1322 static int perf_header__read_build_ids(struct perf_header *header,  in perf_header__read_build_ids()  argument
1325 	struct perf_session *session = container_of(header, struct perf_session, header);  in perf_header__read_build_ids()
1337 		if (header->needs_swap)  in perf_header__read_build_ids()
1338 			perf_event_header__bswap(&bev.header);  in perf_header__read_build_ids()
1340 		len = bev.header.size - sizeof(bev);  in perf_header__read_build_ids()
1359 			return perf_header__read_build_ids_abi_quirk(header, input, offset, size);  in perf_header__read_build_ids()
1364 		offset += bev.header.size;  in perf_header__read_build_ids()
1515 		   struct perf_header *header, int fd,  in process_event_desc()  argument
1519 	struct perf_evsel *evsel, *events = read_event_desc(header, fd);  in process_event_desc()
1524 	session = container_of(header, struct perf_session, header);  in process_event_desc()
1850 	session = container_of(ph, struct perf_session, header);  in process_group_desc()
1901 	session = container_of(ph, struct perf_session, header);  in process_auxtrace()
1988 	struct perf_header *header = &session->header;  in perf_header__fprintf_info()  local
1993 	perf_header__process_sections(header, fd, &hd,  in perf_header__fprintf_info()
2026 static int perf_header__adds_write(struct perf_header *header,  in perf_header__adds_write()  argument
2036 	nr_sections = bitmap_weight(header->adds_features, HEADER_FEAT_BITS);  in perf_header__adds_write()
2046 	sec_start = header->feat_offset;  in perf_header__adds_write()
2049 	for_each_set_bit(feat, header->adds_features, HEADER_FEAT_BITS) {  in perf_header__adds_write()
2050 		if (do_write_feat(fd, header, feat, &p, evlist))  in perf_header__adds_write()
2051 			perf_header__clear_feat(header, feat);  in perf_header__adds_write()
2091 	struct perf_header *header = &session->header;  in perf_session__write_header()  local
2124 	if (!header->data_offset)  in perf_session__write_header()
2125 		header->data_offset = lseek(fd, 0, SEEK_CUR);  in perf_session__write_header()
2126 	header->feat_offset = header->data_offset + header->data_size;  in perf_session__write_header()
2129 		err = perf_header__adds_write(header, evlist, fd);  in perf_session__write_header()
2143 			.offset = header->data_offset,  in perf_session__write_header()
2144 			.size	= header->data_size,  in perf_session__write_header()
2149 	memcpy(&f_header.adds_features, &header->adds_features, sizeof(header->adds_features));  in perf_session__write_header()
2157 	lseek(fd, header->data_offset + header->data_size, SEEK_SET);  in perf_session__write_header()
2162 static int perf_header__getbuffer64(struct perf_header *header,  in perf_header__getbuffer64()  argument
2168 	if (header->needs_swap)  in perf_header__getbuffer64()
2174 int perf_header__process_sections(struct perf_header *header, int fd,  in perf_header__process_sections()  argument
2186 	nr_sections = bitmap_weight(header->adds_features, HEADER_FEAT_BITS);  in perf_header__process_sections()
2196 	lseek(fd, header->feat_offset, SEEK_SET);  in perf_header__process_sections()
2198 	err = perf_header__getbuffer64(header, fd, feat_sec, sec_size);  in perf_header__process_sections()
2202 	for_each_set_bit(feat, header->adds_features, HEADER_LAST_FEATURE) {  in perf_header__process_sections()
2203 		err = process(sec++, header, feat, fd, data);  in perf_header__process_sections()
2330 int perf_file_header__read(struct perf_file_header *header,  in perf_file_header__read()  argument
2337 	ret = readn(fd, header, sizeof(*header));  in perf_file_header__read()
2341 	if (check_magic_endian(header->magic,  in perf_file_header__read()
2342 			       header->attr_size, false, ph) < 0) {  in perf_file_header__read()
2348 		mem_bswap_64(header, offsetof(struct perf_file_header,  in perf_file_header__read()
2352 	if (header->size != sizeof(*header)) {  in perf_file_header__read()
2354 		if (header->size == offsetof(typeof(*header), adds_features))  in perf_file_header__read()
2355 			bitmap_zero(header->adds_features, HEADER_FEAT_BITS);  in perf_file_header__read()
2374 		mem_bswap_64(&header->adds_features,  in perf_file_header__read()
2377 		if (!test_bit(HEADER_HOSTNAME, header->adds_features)) {  in perf_file_header__read()
2379 			mem_bswap_64(&header->adds_features,  in perf_file_header__read()
2383 			mem_bswap_32(&header->adds_features,  in perf_file_header__read()
2387 		if (!test_bit(HEADER_HOSTNAME, header->adds_features)) {  in perf_file_header__read()
2388 			bitmap_zero(header->adds_features, HEADER_FEAT_BITS);  in perf_file_header__read()
2389 			set_bit(HEADER_BUILD_ID, header->adds_features);  in perf_file_header__read()
2393 	memcpy(&ph->adds_features, &header->adds_features,  in perf_file_header__read()
2396 	ph->data_offset  = header->data.offset;  in perf_file_header__read()
2397 	ph->data_size	 = header->data.size;  in perf_file_header__read()
2398 	ph->feat_offset  = header->data.offset + header->data.size;  in perf_file_header__read()
2423 static int perf_file_header__read_pipe(struct perf_pipe_file_header *header,  in perf_file_header__read_pipe()  argument
2429 	ret = readn(fd, header, sizeof(*header));  in perf_file_header__read_pipe()
2433 	if (check_magic_endian(header->magic, header->size, true, ph) < 0) {  in perf_file_header__read_pipe()
2439 		header->size = bswap_64(header->size);  in perf_file_header__read_pipe()
2441 	if (repipe && do_write(STDOUT_FILENO, header, sizeof(*header)) < 0)  in perf_file_header__read_pipe()
2449 	struct perf_header *header = &session->header;  in perf_header__read_pipe()  local
2452 	if (perf_file_header__read_pipe(&f_header, header,  in perf_header__read_pipe()
2555 	struct perf_header *header = &session->header;  in perf_session__read_header()  local
2566 	session->evlist->env = &header->env;  in perf_session__read_header()
2567 	session->machines.host.env = &header->env;  in perf_session__read_header()
2571 	if (perf_file_header__read(&f_header, header, fd) < 0)  in perf_session__read_header()
2593 		if (read_attr(fd, header, &f_attr) < 0)  in perf_session__read_header()
2596 		if (header->needs_swap) {  in perf_session__read_header()
2608 		evsel->needs_swap = header->needs_swap;  in perf_session__read_header()
2627 			if (perf_header__getbuffer64(header, fd, &f_id, sizeof(f_id)))  in perf_session__read_header()
2638 	perf_header__process_sections(header, fd, &session->tevent,  in perf_session__read_header()
2676 	ev->attr.header.type = PERF_RECORD_HEADER_ATTR;  in perf_event__synthesize_attr()
2677 	ev->attr.header.size = (u16)size;  in perf_event__synthesize_attr()
2679 	if (ev->attr.header.size == size)  in perf_event__synthesize_attr()
2728 	ids = event->header.size;  in perf_event__process_attr()
2774 	ev.tracing_data.header.type = PERF_RECORD_HEADER_TRACING_DATA;  in perf_event__synthesize_tracing_data()
2778 	ev.tracing_data.header.size = sizeof(ev.tracing_data);  in perf_event__synthesize_tracing_data()
2851 	ev.build_id.header.type = PERF_RECORD_HEADER_BUILD_ID;  in perf_event__synthesize_build_id()
2852 	ev.build_id.header.misc = misc;  in perf_event__synthesize_build_id()
2854 	ev.build_id.header.size = sizeof(ev.build_id) + len;  in perf_event__synthesize_build_id()