224 	if (ff->ph->needs_swap)  in do_read_u32()
237 	if (ff->ph->needs_swap)  in do_read_u64()
312 	session = container_of(ff->ph, struct perf_session, header);  in write_build_id()
884 	session = container_of(ff->ph, struct perf_session, header);  in write_auxtrace()
895 	return do_write(ff, &ff->ph->env.clock.clockid_res_ns,  in write_clockid()
896 			sizeof(ff->ph->env.clock.clockid_res_ns));  in write_clockid()
914 	data32 = ff->ph->env.clock.clockid;  in write_clock_data()
921 	data64 = &ff->ph->env.clock.tod_ns;  in write_clock_data()
928 	data64 = &ff->ph->env.clock.clockid_ns;  in write_clock_data()
939 	session = container_of(ff->ph, struct perf_session, header);  in write_dir_format()
952 	struct perf_env *env = &ff->ph->env;  in write_bpf_prog_info()
1001 	struct perf_env *env = &ff->ph->env;  in write_bpf_btf()
1413 	ret = do_write(ff, &(ff->ph->env.comp_ver), sizeof(ff->ph->env.comp_ver));  in write_compressed()
1417 	ret = do_write(ff, &(ff->ph->env.comp_type), sizeof(ff->ph->env.comp_type));  in write_compressed()
1421 	ret = do_write(ff, &(ff->ph->env.comp_level), sizeof(ff->ph->env.comp_level));  in write_compressed()
1425 	ret = do_write(ff, &(ff->ph->env.comp_ratio), sizeof(ff->ph->env.comp_ratio));  in write_compressed()
1429 	return do_write(ff, &(ff->ph->env.comp_mmap_len), sizeof(ff->ph->env.comp_mmap_len));  in write_compressed()
1466 	fprintf(fp, "# hostname : %s\n", ff->ph->env.hostname);  in print_hostname()
1471 	fprintf(fp, "# os release : %s\n", ff->ph->env.os_release);  in print_osrelease()
1476 	fprintf(fp, "# arch : %s\n", ff->ph->env.arch);  in print_arch()
1481 	fprintf(fp, "# cpudesc : %s\n", ff->ph->env.cpu_desc);  in print_cpudesc()
1486 	fprintf(fp, "# nrcpus online : %u\n", ff->ph->env.nr_cpus_online);  in print_nrcpus()
1487 	fprintf(fp, "# nrcpus avail : %u\n", ff->ph->env.nr_cpus_avail);  in print_nrcpus()
1492 	fprintf(fp, "# perf version : %s\n", ff->ph->env.version);  in print_version()
1499 	nr = ff->ph->env.nr_cmdline;  in print_cmdline()
1504 		char *argv_i = strdup(ff->ph->env.cmdline_argv[i]);  in print_cmdline()
1506 			fprintf(fp, "%s ", ff->ph->env.cmdline_argv[i]);  in print_cmdline()
1526 	struct perf_header *ph = ff->ph;  in print_cpu_topology()  local
1527 	int cpu_nr = ph->env.nr_cpus_avail;  in print_cpu_topology()
1531 	nr = ph->env.nr_sibling_cores;  in print_cpu_topology()
1532 	str = ph->env.sibling_cores;  in print_cpu_topology()
1539 	if (ph->env.nr_sibling_dies) {  in print_cpu_topology()
1540 		nr = ph->env.nr_sibling_dies;  in print_cpu_topology()
1541 		str = ph->env.sibling_dies;  in print_cpu_topology()
1549 	nr = ph->env.nr_sibling_threads;  in print_cpu_topology()
1550 	str = ph->env.sibling_threads;  in print_cpu_topology()
1557 	if (ph->env.nr_sibling_dies) {  in print_cpu_topology()
1558 		if (ph->env.cpu != NULL) {  in print_cpu_topology()
1562 					    i, ph->env.cpu[i].core_id,  in print_cpu_topology()
1563 					    ph->env.cpu[i].die_id,  in print_cpu_topology()
1564 					    ph->env.cpu[i].socket_id);  in print_cpu_topology()
1569 		if (ph->env.cpu != NULL) {  in print_cpu_topology()
1573 					    i, ph->env.cpu[i].core_id,  in print_cpu_topology()
1574 					    ph->env.cpu[i].socket_id);  in print_cpu_topology()
1584 		ff->ph->env.clock.clockid_res_ns * 1000);  in print_clockid()
1596 	if (!ff->ph->env.clock.enabled) {  in print_clock_data()
1602 	ref = ff->ph->env.clock.tod_ns;  in print_clock_data()
1608 	ref = ff->ph->env.clock.clockid_ns;  in print_clock_data()
1613 	clockid = ff->ph->env.clock.clockid;  in print_clock_data()
1635 	session = container_of(ff->ph, struct perf_session, header);  in print_dir_format()
1643 	struct perf_env *env = &ff->ph->env;  in print_bpf_prog_info()
1667 	struct perf_env *env = &ff->ph->env;  in print_bpf_btf()
1775 		if (ff->ph->needs_swap)  in read_event_desc()
1786 		if (ff->ph->needs_swap)  in read_event_desc()
1863 	fprintf(fp, "# total memory : %llu kB\n", ff->ph->env.total_mem);  in print_total_mem()
1871 	for (i = 0; i < ff->ph->env.nr_numa_nodes; i++) {  in print_numa_topology()
1872 		n = &ff->ph->env.numa_nodes[i];  in print_numa_topology()
1885 	fprintf(fp, "# cpuid : %s\n", ff->ph->env.cpuid);  in print_cpuid()
1908 	for (i = 0; i < ff->ph->env.caches_cnt; i++) {  in print_cache()
1910 		cpu_cache_level__fprintf(fp, &ff->ph->env.caches[i]);  in print_cache()
1917 		ff->ph->env.comp_type == PERF_COMP_ZSTD ? "Zstd" : "Unknown",  in print_compressed()
1918 		ff->ph->env.comp_level, ff->ph->env.comp_ratio);  in print_compressed()
1924 	u32 nr_caps = ff->ph->env.nr_cpu_pmu_caps;  in print_cpu_pmu_caps()
1932 	str = ff->ph->env.cpu_pmu_caps;  in print_cpu_pmu_caps()
1949 	pmu_num = ff->ph->env.nr_pmu_mappings;  in print_pmu_mappings()
1955 	str = ff->ph->env.pmu_mappings;  in print_pmu_mappings()
1984 	session = container_of(ff->ph, struct perf_session, header);  in print_group_desc()
2006 	session = container_of(ff->ph, struct perf_session, header);  in print_sample_time()
2040 	nodes = ff->ph->env.memory_nodes;  in print_mem_topology()
2041 	nr    = ff->ph->env.nr_memory_nodes;  in print_mem_topology()
2044 		nr, ff->ph->env.memory_bsize);  in print_mem_topology()
2047 		memory_node__fprintf(&nodes[i], ff->ph->env.memory_bsize, fp);  in print_mem_topology()
2214 	ff->ph->env.__feat_env = do_read_string(ff); \
2215 	return ff->ph->env.__feat_env ? 0 : -ENOMEM; \
2234 	if (perf_header__read_build_ids(ff->ph, ff->fd, ff->offset, ff->size))  in process_build_id()
2251 	ff->ph->env.nr_cpus_avail = (int)nr_cpus_avail;  in process_nrcpus()
2252 	ff->ph->env.nr_cpus_online = (int)nr_cpus_online;  in process_nrcpus()
2264 	ff->ph->env.total_mem = (unsigned long long)total_mem;  in process_total_mem()
2309 	session = container_of(ff->ph, struct perf_session, header);  in process_event_desc()
2334 	ff->ph->env.nr_cmdline = nr;  in process_cmdline()
2354 	ff->ph->env.cmdline = cmdline;  in process_cmdline()
2355 	ff->ph->env.cmdline_argv = (const char **) argv;  in process_cmdline()
2369 	int cpu_nr = ff->ph->env.nr_cpus_avail;  in process_cpu_topology()
2371 	struct perf_header *ph = ff->ph;  in process_cpu_topology()  local
2374 	ph->env.cpu = calloc(cpu_nr, sizeof(*ph->env.cpu));  in process_cpu_topology()
2375 	if (!ph->env.cpu)  in process_cpu_topology()
2381 	ph->env.nr_sibling_cores = nr;  in process_cpu_topology()
2397 	ph->env.sibling_cores = strbuf_detach(&sb, NULL);  in process_cpu_topology()
2402 	ph->env.nr_sibling_threads = nr;  in process_cpu_topology()
2416 	ph->env.sibling_threads = strbuf_detach(&sb, NULL);  in process_cpu_topology()
2423 		zfree(&ph->env.cpu);  in process_cpu_topology()
2432 	if (ph->env.arch && (!strncmp(ph->env.arch, "s390", 4)  in process_cpu_topology()
2433 			  || !strncmp(ph->env.arch, "aarch64", 7)))  in process_cpu_topology()
2440 		ph->env.cpu[i].core_id = nr;  in process_cpu_topology()
2452 		ph->env.cpu[i].socket_id = nr;  in process_cpu_topology()
2466 	ph->env.nr_sibling_dies = nr;  in process_cpu_topology()
2480 	ph->env.sibling_dies = strbuf_detach(&sb, NULL);  in process_cpu_topology()
2486 		ph->env.cpu[i].die_id = nr;  in process_cpu_topology()
2494 	zfree(&ph->env.cpu);  in process_cpu_topology()
2535 	ff->ph->env.nr_numa_nodes = nr;  in process_numa_topology()
2536 	ff->ph->env.numa_nodes = nodes;  in process_numa_topology()
2559 	ff->ph->env.nr_pmu_mappings = pmu_num;  in process_pmu_mappings()
2578 			ff->ph->env.msr_pmu_type = type;  in process_pmu_mappings()
2583 	ff->ph->env.pmu_mappings = strbuf_detach(&sb, NULL);  in process_pmu_mappings()
2606 	ff->ph->env.nr_groups = nr_groups;  in process_group_desc()
2631 	session = container_of(ff->ph, struct perf_session, header);  in process_group_desc()
2680 	session = container_of(ff->ph, struct perf_session, header);  in process_auxtrace()
2683 				      ff->ph->needs_swap);  in process_auxtrace()
2733 	ff->ph->env.caches = caches;  in process_cache()
2734 	ff->ph->env.caches_cnt = cnt;  in process_cache()
2747 	session = container_of(ff->ph, struct perf_session, header);  in process_sample_time()
2803 	ff->ph->env.memory_bsize    = bsize;  in process_mem_topology()
2804 	ff->ph->env.memory_nodes    = nodes;  in process_mem_topology()
2805 	ff->ph->env.nr_memory_nodes = nr;  in process_mem_topology()
2817 	if (do_read_u64(ff, &ff->ph->env.clock.clockid_res_ns))  in process_clockid()
2840 	ff->ph->env.clock.clockid = data32;  in process_clock_data()
2846 	ff->ph->env.clock.tod_ns = data64;  in process_clock_data()
2852 	ff->ph->env.clock.clockid_ns = data64;  in process_clock_data()
2853 	ff->ph->env.clock.enabled = true;  in process_clock_data()
2863 	session = container_of(ff->ph, struct perf_session, header);  in process_dir_format()
2877 	struct perf_env *env = &ff->ph->env;  in process_bpf_prog_info()
2881 	if (ff->ph->needs_swap) {  in process_bpf_prog_info()
2950 	struct perf_env *env = &ff->ph->env;  in process_bpf_btf()
2955 	if (ff->ph->needs_swap) {  in process_bpf_btf()
2997 	if (do_read_u32(ff, &(ff->ph->env.comp_ver)))  in process_compressed()
3000 	if (do_read_u32(ff, &(ff->ph->env.comp_type)))  in process_compressed()
3003 	if (do_read_u32(ff, &(ff->ph->env.comp_level)))  in process_compressed()
3006 	if (do_read_u32(ff, &(ff->ph->env.comp_ratio)))  in process_compressed()
3009 	if (do_read_u32(ff, &(ff->ph->env.comp_mmap_len)))  in process_compressed()
3030 	ff->ph->env.nr_cpu_pmu_caps = nr_caps;  in process_cpu_pmu_caps()
3052 			ff->ph->env.max_branches = atoi(value);  in process_cpu_pmu_caps()
3057 	ff->ph->env.cpu_pmu_caps = strbuf_detach(&sb, NULL);  in process_cpu_pmu_caps()
3136 					   struct perf_header *ph,  in perf_file_section__fprintf_info()  argument
3156 		.ph = ph,  in perf_file_section__fprintf_info()
3215 	if (perf_header__has_feat(ff->ph, type)) {  in do_write_feat()
3252 		.ph = header,  in perf_header__adds_write()
3401 						 struct perf_header *ph,  in perf_header__process_sections()  argument
3452 static int try_all_file_abis(uint64_t hdr_sz, struct perf_header *ph)  in try_all_file_abis()  argument
3465 			ph->needs_swap = true;  in try_all_file_abis()
3469 			 ph->needs_swap);  in try_all_file_abis()
3490 static int try_all_pipe_abis(uint64_t hdr_sz, struct perf_header *ph)  in try_all_pipe_abis()  argument
3501 			ph->needs_swap = true;  in try_all_pipe_abis()
3520 			      bool is_pipe, struct perf_header *ph)  in check_magic_endian()  argument
3527 		ph->version = PERF_HEADER_VERSION_1;  in check_magic_endian()
3530 			return try_all_pipe_abis(hdr_sz, ph);  in check_magic_endian()
3532 		return try_all_file_abis(hdr_sz, ph);  in check_magic_endian()
3539 	ph->version = PERF_HEADER_VERSION_2;  in check_magic_endian()
3549 	ph->needs_swap = true;  in check_magic_endian()
3555 			   struct perf_header *ph, int fd)  in perf_file_header__read()  argument
3566 			       header->attr_size, false, ph) < 0) {  in perf_file_header__read()
3571 	if (ph->needs_swap) {  in perf_file_header__read()
3582 	} else if (ph->needs_swap) {  in perf_file_header__read()
3617 	memcpy(&ph->adds_features, &header->adds_features,  in perf_file_header__read()
3618 	       sizeof(ph->adds_features));  in perf_file_header__read()
3620 	ph->data_offset  = header->data.offset;  in perf_file_header__read()
3621 	ph->data_size	 = header->data.size;  in perf_file_header__read()
3622 	ph->feat_offset  = header->data.offset + header->data.size;  in perf_file_header__read()
3627 				      struct perf_header *ph,  in perf_file_section__process()  argument
3632 		.ph	= ph,  in perf_file_section__process()
3655 				       struct perf_header *ph, int fd,  in perf_file_header__read_pipe()  argument
3660 		.ph = ph,  in perf_file_header__read_pipe()
3668 	if (check_magic_endian(header->magic, header->size, true, ph) < 0) {  in perf_file_header__read_pipe()
3673 	if (ph->needs_swap)  in perf_file_header__read_pipe()
3697 static int read_attr(int fd, struct perf_header *ph,  in read_attr()  argument
3718 	if (ph->needs_swap)  in read_attr()
3928 	ff.ph = &session->header;  in perf_event__process_feature()