62 static int do_write(int fd, const void *buf, size_t size)  in do_write()  argument
65 		int ret = write(fd, buf, size);  in do_write()
77 int write_padded(int fd, const void *bf, size_t count, size_t count_aligned)  in write_padded()  argument
80 	int err = do_write(fd, bf, count);  in write_padded()
83 		err = do_write(fd, zero_buf, count_aligned - count);  in write_padded()
91 static int do_write_string(int fd, const char *str)  in do_write_string()  argument
100 	ret = do_write(fd, &len, sizeof(len));  in do_write_string()
104 	return write_padded(fd, str, olen, len);  in do_write_string()
107 static char *do_read_string(int fd, struct perf_header *ph)  in do_read_string()  argument
113 	sz = readn(fd, &len, sizeof(len));  in do_read_string()
124 	ret = readn(fd, buf, len);  in do_read_string()
138 static int write_tracing_data(int fd, struct perf_header *h __maybe_unused,  in write_tracing_data()  argument
141 	return read_tracing_data(fd, &evlist->entries);  in write_tracing_data()
145 static int write_build_id(int fd, struct perf_header *h,  in write_build_id()  argument
156 	err = perf_session__write_buildid_table(session, fd);  in write_build_id()
166 static int write_hostname(int fd, struct perf_header *h __maybe_unused,  in write_hostname()  argument
176 	return do_write_string(fd, uts.nodename);  in write_hostname()
179 static int write_osrelease(int fd, struct perf_header *h __maybe_unused,  in write_osrelease()  argument
189 	return do_write_string(fd, uts.release);  in write_osrelease()
192 static int write_arch(int fd, struct perf_header *h __maybe_unused,  in write_arch()  argument
202 	return do_write_string(fd, uts.machine);  in write_arch()
205 static int write_version(int fd, struct perf_header *h __maybe_unused,  in write_version()  argument
208 	return do_write_string(fd, perf_version_string);  in write_version()
211 static int __write_cpudesc(int fd, const char *cpuinfo_proc)  in __write_cpudesc()  argument
261 	ret = do_write_string(fd, s);  in __write_cpudesc()
268 static int write_cpudesc(int fd, struct perf_header *h __maybe_unused,  in write_cpudesc()  argument
279 		ret = __write_cpudesc(fd, cpuinfo_procs[i]);  in write_cpudesc()
287 static int write_nrcpus(int fd, struct perf_header *h __maybe_unused,  in write_nrcpus()  argument
306 	ret = do_write(fd, &nrc, sizeof(nrc));  in write_nrcpus()
310 	return do_write(fd, &nra, sizeof(nra));  in write_nrcpus()
313 static int write_event_desc(int fd, struct perf_header *h __maybe_unused,  in write_event_desc()  argument
325 	ret = do_write(fd, &nre, sizeof(nre));  in write_event_desc()
333 	ret = do_write(fd, &sz, sizeof(sz));  in write_event_desc()
338 		ret = do_write(fd, &evsel->attr, sz);  in write_event_desc()
349 		ret = do_write(fd, &nri, sizeof(nri));  in write_event_desc()
356 		ret = do_write_string(fd, perf_evsel__name(evsel));  in write_event_desc()
362 		ret = do_write(fd, evsel->id, evsel->ids * sizeof(u64));  in write_event_desc()
369 static int write_cmdline(int fd, struct perf_header *h __maybe_unused,  in write_cmdline()  argument
391 	ret = do_write(fd, &n, sizeof(n));  in write_cmdline()
395 	ret = do_write_string(fd, buf);  in write_cmdline()
400 		ret = do_write_string(fd, perf_env.cmdline_argv[i]);  in write_cmdline()
542 static int write_cpu_topology(int fd, struct perf_header *h __maybe_unused,  in write_cpu_topology()  argument
553 	ret = do_write(fd, &tp->core_sib, sizeof(tp->core_sib));  in write_cpu_topology()
558 		ret = do_write_string(fd, tp->core_siblings[i]);  in write_cpu_topology()
562 	ret = do_write(fd, &tp->thread_sib, sizeof(tp->thread_sib));  in write_cpu_topology()
567 		ret = do_write_string(fd, tp->thread_siblings[i]);  in write_cpu_topology()
577 		ret = do_write(fd, &perf_env.cpu[j].core_id,  in write_cpu_topology()
581 		ret = do_write(fd, &perf_env.cpu[j].socket_id,  in write_cpu_topology()
593 static int write_total_mem(int fd, struct perf_header *h __maybe_unused,  in write_total_mem()  argument
614 			ret = do_write(fd, &mem, sizeof(mem));  in write_total_mem()
622 static int write_topo_node(int fd, int node)  in write_topo_node()  argument
652 	ret = do_write(fd, &mem_total, sizeof(u64));  in write_topo_node()
656 	ret = do_write(fd, &mem_free, sizeof(u64));  in write_topo_node()
674 	ret = do_write_string(fd, buf);  in write_topo_node()
682 static int write_numa_topology(int fd, struct perf_header *h __maybe_unused,  in write_numa_topology()  argument
710 	ret = do_write(fd, &nr, sizeof(nr));  in write_numa_topology()
716 		ret = do_write(fd, &j, sizeof(j));  in write_numa_topology()
720 		ret = write_topo_node(fd, i);  in write_numa_topology()
743 static int write_pmu_mappings(int fd, struct perf_header *h __maybe_unused,  in write_pmu_mappings()  argument
747 	off_t offset = lseek(fd, 0, SEEK_CUR);  in write_pmu_mappings()
752 	ret = do_write(fd, &pmu_num, sizeof(pmu_num));  in write_pmu_mappings()
761 		ret = do_write(fd, &pmu->type, sizeof(pmu->type));  in write_pmu_mappings()
765 		ret = do_write_string(fd, pmu->name);  in write_pmu_mappings()
770 	if (pwrite(fd, &pmu_num, sizeof(pmu_num), offset) != sizeof(pmu_num)) {  in write_pmu_mappings()
772 		lseek(fd, offset, SEEK_SET);  in write_pmu_mappings()
791 static int write_group_desc(int fd, struct perf_header *h __maybe_unused,  in write_group_desc()  argument
798 	ret = do_write(fd, &nr_groups, sizeof(nr_groups));  in write_group_desc()
809 			ret = do_write_string(fd, name);  in write_group_desc()
813 			ret = do_write(fd, &leader_idx, sizeof(leader_idx));  in write_group_desc()
817 			ret = do_write(fd, &nr_members, sizeof(nr_members));  in write_group_desc()
835 static int write_cpuid(int fd, struct perf_header *h __maybe_unused,  in write_cpuid()  argument
847 	return do_write_string(fd, buffer);  in write_cpuid()
850 static int write_branch_stack(int fd __maybe_unused,  in write_branch_stack()
857 static int write_auxtrace(int fd, struct perf_header *h,  in write_auxtrace()  argument
865 	err = auxtrace_index__write(fd, &session->auxtrace_index);  in write_auxtrace()
871 static void print_hostname(struct perf_header *ph, int fd __maybe_unused,  in print_hostname()
877 static void print_osrelease(struct perf_header *ph, int fd __maybe_unused,  in print_osrelease()
883 static void print_arch(struct perf_header *ph, int fd __maybe_unused, FILE *fp)  in print_arch()
888 static void print_cpudesc(struct perf_header *ph, int fd __maybe_unused,  in print_cpudesc()
894 static void print_nrcpus(struct perf_header *ph, int fd __maybe_unused,  in print_nrcpus()
901 static void print_version(struct perf_header *ph, int fd __maybe_unused,  in print_version()
907 static void print_cmdline(struct perf_header *ph, int fd __maybe_unused,  in print_cmdline()
921 static void print_cpu_topology(struct perf_header *ph, int fd __maybe_unused,  in print_cpu_topology()
968 read_event_desc(struct perf_header *ph, int fd)  in read_event_desc()  argument
978 	ret = readn(fd, &nre, sizeof(nre));  in read_event_desc()
985 	ret = readn(fd, &sz, sizeof(sz));  in read_event_desc()
1013 		ret = readn(fd, buf, sz);  in read_event_desc()
1022 		ret = readn(fd, &nr, sizeof(nr));  in read_event_desc()
1031 		evsel->name = do_read_string(fd, ph);  in read_event_desc()
1043 			ret = readn(fd, id, sizeof(*id));  in read_event_desc()
1066 static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)  in print_event_desc()  argument
1068 	struct perf_evsel *evsel, *events = read_event_desc(ph, fd);  in print_event_desc()
1098 static void print_total_mem(struct perf_header *ph, int fd __maybe_unused,  in print_total_mem()
1104 static void print_numa_topology(struct perf_header *ph, int fd __maybe_unused,  in print_numa_topology()
1145 static void print_cpuid(struct perf_header *ph, int fd __maybe_unused, FILE *fp)  in print_cpuid()
1151 			       int fd __maybe_unused, FILE *fp)  in print_branch_stack()
1157 			   int fd __maybe_unused, FILE *fp)  in print_auxtrace()
1162 static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused,  in print_pmu_mappings()
1199 static void print_group_desc(struct perf_header *ph, int fd __maybe_unused,  in print_group_desc()
1373 				int fd, void *data)  in process_tracing_data()  argument
1375 	ssize_t ret = trace_report(fd, data, false);  in process_tracing_data()
1380 			    struct perf_header *ph, int fd,  in process_build_id()  argument
1383 	if (perf_header__read_build_ids(ph, fd, section->offset, section->size))  in process_build_id()
1389 			    struct perf_header *ph, int fd,  in process_hostname()  argument
1392 	ph->env.hostname = do_read_string(fd, ph);  in process_hostname()
1397 			     struct perf_header *ph, int fd,  in process_osrelease()  argument
1400 	ph->env.os_release = do_read_string(fd, ph);  in process_osrelease()
1405 			   struct perf_header *ph, int fd,  in process_version()  argument
1408 	ph->env.version = do_read_string(fd, ph);  in process_version()
1413 			struct perf_header *ph,	int fd,  in process_arch()  argument
1416 	ph->env.arch = do_read_string(fd, ph);  in process_arch()
1421 			  struct perf_header *ph, int fd,  in process_nrcpus()  argument
1427 	ret = readn(fd, &nr, sizeof(nr));  in process_nrcpus()
1436 	ret = readn(fd, &nr, sizeof(nr));  in process_nrcpus()
1448 			   struct perf_header *ph, int fd,  in process_cpudesc()  argument
1451 	ph->env.cpu_desc = do_read_string(fd, ph);  in process_cpudesc()
1456 			 struct perf_header *ph,  int fd,  in process_cpuid()  argument
1459 	ph->env.cpuid = do_read_string(fd, ph);  in process_cpuid()
1464 			     struct perf_header *ph, int fd,  in process_total_mem()  argument
1470 	ret = readn(fd, &mem, sizeof(mem));  in process_total_mem()
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()
1534 			   struct perf_header *ph, int fd,  in process_cmdline()  argument
1541 	ret = readn(fd, &nr, sizeof(nr));  in process_cmdline()
1559 		str = do_read_string(fd, ph);  in process_cmdline()
1579 				struct perf_header *ph, int fd,  in process_cpu_topology()  argument
1593 	ret = readn(fd, &nr, sizeof(nr));  in process_cpu_topology()
1605 		str = do_read_string(fd, ph);  in process_cpu_topology()
1616 	ret = readn(fd, &nr, sizeof(nr));  in process_cpu_topology()
1627 		str = do_read_string(fd, ph);  in process_cpu_topology()
1648 		ret = readn(fd, &nr, sizeof(nr));  in process_cpu_topology()
1662 		ret = readn(fd, &nr, sizeof(nr));  in process_cpu_topology()
1688 				 struct perf_header *ph, int fd,  in process_numa_topology()  argument
1698 	ret = readn(fd, &nr, sizeof(nr));  in process_numa_topology()
1710 		ret = readn(fd, &node, sizeof(node));  in process_numa_topology()
1714 		ret = readn(fd, &mem_total, sizeof(u64));  in process_numa_topology()
1718 		ret = readn(fd, &mem_free, sizeof(u64));  in process_numa_topology()
1731 		str = do_read_string(fd, ph);  in process_numa_topology()
1748 				struct perf_header *ph, int fd,  in process_pmu_mappings()  argument
1757 	ret = readn(fd, &pmu_num, sizeof(pmu_num));  in process_pmu_mappings()
1773 		if (readn(fd, &type, sizeof(type)) != sizeof(type))  in process_pmu_mappings()
1778 		name = do_read_string(fd, ph);  in process_pmu_mappings()
1801 			      struct perf_header *ph, int fd,  in process_group_desc()  argument
1814 	if (readn(fd, &nr_groups, sizeof(nr_groups)) != sizeof(nr_groups))  in process_group_desc()
1831 		desc[i].name = do_read_string(fd, ph);  in process_group_desc()
1835 		if (readn(fd, &desc[i].leader_idx, sizeof(u32)) != sizeof(u32))  in process_group_desc()
1838 		if (readn(fd, &desc[i].nr_members, sizeof(u32)) != sizeof(u32))  in process_group_desc()
1895 			    struct perf_header *ph, int fd,  in process_auxtrace()  argument
1903 	err = auxtrace_index__process(fd, section->size, session,  in process_auxtrace()
1911 	int (*write)(int fd, struct perf_header *h, struct perf_evlist *evlist);
1912 	void (*print)(struct perf_header *h, int fd, FILE *fp);
1914 		       struct perf_header *h, int fd, void *data);
1960 					   int feat, int fd, void *data)  in perf_file_section__fprintf_info()  argument
1964 	if (lseek(fd, section->offset, SEEK_SET) == (off_t)-1) {  in perf_file_section__fprintf_info()
1977 		feat_ops[feat].print(ph, fd, hd->fp);  in perf_file_section__fprintf_info()
1989 	int fd = perf_data_file__fd(session->file);  in perf_header__fprintf_info()  local
1993 	perf_header__process_sections(header, fd, &hd,  in perf_header__fprintf_info()
1998 static int do_write_feat(int fd, struct perf_header *h, int type,  in do_write_feat()  argument
2009 		(*p)->offset = lseek(fd, 0, SEEK_CUR);  in do_write_feat()
2011 		err = feat_ops[type].write(fd, h, evlist);  in do_write_feat()
2016 			lseek(fd, (*p)->offset, SEEK_SET);  in do_write_feat()
2020 		(*p)->size = lseek(fd, 0, SEEK_CUR) - (*p)->offset;  in do_write_feat()
2027 				   struct perf_evlist *evlist, int fd)  in perf_header__adds_write()  argument
2047 	lseek(fd, sec_start + sec_size, SEEK_SET);  in perf_header__adds_write()
2050 		if (do_write_feat(fd, header, feat, &p, evlist))  in perf_header__adds_write()
2054 	lseek(fd, sec_start, SEEK_SET);  in perf_header__adds_write()
2059 	err = do_write(fd, feat_sec, sec_size);  in perf_header__adds_write()
2066 int perf_header__write_pipe(int fd)  in perf_header__write_pipe()  argument
2076 	err = do_write(fd, &f_header, sizeof(f_header));  in perf_header__write_pipe()
2087 			       int fd, bool at_exit)  in perf_session__write_header()  argument
2096 	lseek(fd, sizeof(f_header), SEEK_SET);  in perf_session__write_header()
2099 		evsel->id_offset = lseek(fd, 0, SEEK_CUR);  in perf_session__write_header()
2100 		err = do_write(fd, evsel->id, evsel->ids * sizeof(u64));  in perf_session__write_header()
2107 	attr_offset = lseek(fd, 0, SEEK_CUR);  in perf_session__write_header()
2117 		err = do_write(fd, &f_attr, sizeof(f_attr));  in perf_session__write_header()
2125 		header->data_offset = lseek(fd, 0, SEEK_CUR);  in perf_session__write_header()
2129 		err = perf_header__adds_write(header, evlist, fd);  in perf_session__write_header()
2151 	lseek(fd, 0, SEEK_SET);  in perf_session__write_header()
2152 	err = do_write(fd, &f_header, sizeof(f_header));  in perf_session__write_header()
2157 	lseek(fd, header->data_offset + header->data_size, SEEK_SET);  in perf_session__write_header()
2163 				    int fd, void *buf, size_t size)  in perf_header__getbuffer64()  argument
2165 	if (readn(fd, buf, size) <= 0)  in perf_header__getbuffer64()
2174 int perf_header__process_sections(struct perf_header *header, int fd,  in perf_header__process_sections()  argument
2178 						 int feat, int fd, void *data))  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()
2203 		err = process(sec++, header, feat, fd, data);  in perf_header__process_sections()
2331 			   struct perf_header *ph, int fd)  in perf_file_header__read()  argument
2335 	lseek(fd, 0, SEEK_SET);  in perf_file_header__read()
2337 	ret = readn(fd, header, sizeof(*header));  in perf_file_header__read()
2404 				      int feat, int fd, void *data)  in perf_file_section__process()  argument
2406 	if (lseek(fd, section->offset, SEEK_SET) == (off_t)-1) {  in perf_file_section__process()
2420 	return feat_ops[feat].process(section, ph, fd, data);  in perf_file_section__process()
2424 				       struct perf_header *ph, int fd,  in perf_file_header__read_pipe()  argument
2429 	ret = readn(fd, header, sizeof(*header));  in perf_file_header__read_pipe()
2462 static int read_attr(int fd, struct perf_header *ph,  in read_attr()  argument
2473 	ret = readn(fd, attr, PERF_ATTR_SIZE_VER0);  in read_attr()
2500 		ret = readn(fd, ptr, left);  in read_attr()
2503 	ret = readn(fd, &f_attr->ids, sizeof(f_attr->ids));  in read_attr()
2560 	int fd = perf_data_file__fd(file);  in perf_session__read_header()  local
2571 	if (perf_file_header__read(&f_header, header, fd) < 0)  in perf_session__read_header()
2587 	lseek(fd, f_header.attrs.offset, SEEK_SET);  in perf_session__read_header()
2593 		if (read_attr(fd, header, &f_attr) < 0)  in perf_session__read_header()
2602 		tmp = lseek(fd, 0, SEEK_CUR);  in perf_session__read_header()
2624 		lseek(fd, f_attr.ids.offset, SEEK_SET);  in perf_session__read_header()
2627 			if (perf_header__getbuffer64(header, fd, &f_id, sizeof(f_id)))  in perf_session__read_header()
2633 		lseek(fd, tmp, SEEK_SET);  in perf_session__read_header()
2638 	perf_header__process_sections(header, fd, &session->tevent,  in perf_session__read_header()
2748 int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,  in perf_event__synthesize_tracing_data()  argument
2768 	tdata = tracing_data_get(&evlist->entries, fd, true);  in perf_event__synthesize_tracing_data()
2789 	write_padded(fd, NULL, 0, padding);  in perf_event__synthesize_tracing_data()
2799 	int fd = perf_data_file__fd(session->file);  in perf_event__process_tracing_data()  local
2800 	off_t offset = lseek(fd, 0, SEEK_CUR);  in perf_event__process_tracing_data()
2804 	lseek(fd, offset + sizeof(struct tracing_data_event),  in perf_event__process_tracing_data()
2807 	size_read = trace_report(fd, &session->tevent,  in perf_event__process_tracing_data()
2811 	if (readn(fd, buf, padding) < 0) {  in perf_event__process_tracing_data()