65 static int do_write(int fd, const void *buf, size_t size)  in do_write()  argument
68 		int ret = write(fd, buf, size);  in do_write()
80 int write_padded(int fd, const void *bf, size_t count, size_t count_aligned)  in write_padded()  argument
83 	int err = do_write(fd, bf, count);  in write_padded()
86 		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()
169 static int write_tracing_data(int fd, struct perf_header *h __maybe_unused,  in write_tracing_data()  argument
172 	return read_tracing_data(fd, &evlist->entries);  in write_tracing_data()
176 static int write_build_id(int fd, struct perf_header *h,  in write_build_id()  argument
187 	err = perf_session__write_buildid_table(session, fd);  in write_build_id()
197 static int write_hostname(int fd, struct perf_header *h __maybe_unused,  in write_hostname()  argument
207 	return do_write_string(fd, uts.nodename);  in write_hostname()
210 static int write_osrelease(int fd, struct perf_header *h __maybe_unused,  in write_osrelease()  argument
220 	return do_write_string(fd, uts.release);  in write_osrelease()
223 static int write_arch(int fd, struct perf_header *h __maybe_unused,  in write_arch()  argument
233 	return do_write_string(fd, uts.machine);  in write_arch()
236 static int write_version(int fd, struct perf_header *h __maybe_unused,  in write_version()  argument
239 	return do_write_string(fd, perf_version_string);  in write_version()
242 static int __write_cpudesc(int fd, const char *cpuinfo_proc)  in __write_cpudesc()  argument
292 	ret = do_write_string(fd, s);  in __write_cpudesc()
299 static int write_cpudesc(int fd, struct perf_header *h __maybe_unused,  in write_cpudesc()  argument
310 		ret = __write_cpudesc(fd, cpuinfo_procs[i]);  in write_cpudesc()
318 static int write_nrcpus(int fd, struct perf_header *h __maybe_unused,  in write_nrcpus()  argument
337 	ret = do_write(fd, &nrc, sizeof(nrc));  in write_nrcpus()
341 	return do_write(fd, &nra, sizeof(nra));  in write_nrcpus()
344 static int write_event_desc(int fd, struct perf_header *h __maybe_unused,  in write_event_desc()  argument
356 	ret = do_write(fd, &nre, sizeof(nre));  in write_event_desc()
364 	ret = do_write(fd, &sz, sizeof(sz));  in write_event_desc()
369 		ret = do_write(fd, &evsel->attr, sz);  in write_event_desc()
380 		ret = do_write(fd, &nri, sizeof(nri));  in write_event_desc()
387 		ret = do_write_string(fd, perf_evsel__name(evsel));  in write_event_desc()
393 		ret = do_write(fd, evsel->id, evsel->ids * sizeof(u64));  in write_event_desc()
400 static int write_cmdline(int fd, struct perf_header *h __maybe_unused,  in write_cmdline()  argument
422 	ret = do_write(fd, &n, sizeof(n));  in write_cmdline()
426 	ret = do_write_string(fd, buf);  in write_cmdline()
431 		ret = do_write_string(fd, header_argv[i]);  in write_cmdline()
572 static int write_cpu_topology(int fd, struct perf_header *h __maybe_unused,  in write_cpu_topology()  argument
583 	ret = do_write(fd, &tp->core_sib, sizeof(tp->core_sib));  in write_cpu_topology()
588 		ret = do_write_string(fd, tp->core_siblings[i]);  in write_cpu_topology()
592 	ret = do_write(fd, &tp->thread_sib, sizeof(tp->thread_sib));  in write_cpu_topology()
597 		ret = do_write_string(fd, tp->thread_siblings[i]);  in write_cpu_topology()
608 static int write_total_mem(int fd, struct perf_header *h __maybe_unused,  in write_total_mem()  argument
629 			ret = do_write(fd, &mem, sizeof(mem));  in write_total_mem()
637 static int write_topo_node(int fd, int node)  in write_topo_node()  argument
667 	ret = do_write(fd, &mem_total, sizeof(u64));  in write_topo_node()
671 	ret = do_write(fd, &mem_free, sizeof(u64));  in write_topo_node()
689 	ret = do_write_string(fd, buf);  in write_topo_node()
697 static int write_numa_topology(int fd, struct perf_header *h __maybe_unused,  in write_numa_topology()  argument
725 	ret = do_write(fd, &nr, sizeof(nr));  in write_numa_topology()
731 		ret = do_write(fd, &j, sizeof(j));  in write_numa_topology()
735 		ret = write_topo_node(fd, i);  in write_numa_topology()
758 static int write_pmu_mappings(int fd, struct perf_header *h __maybe_unused,  in write_pmu_mappings()  argument
762 	off_t offset = lseek(fd, 0, SEEK_CUR);  in write_pmu_mappings()
767 	ret = do_write(fd, &pmu_num, sizeof(pmu_num));  in write_pmu_mappings()
776 		ret = do_write(fd, &pmu->type, sizeof(pmu->type));  in write_pmu_mappings()
780 		ret = do_write_string(fd, pmu->name);  in write_pmu_mappings()
785 	if (pwrite(fd, &pmu_num, sizeof(pmu_num), offset) != sizeof(pmu_num)) {  in write_pmu_mappings()
787 		lseek(fd, offset, SEEK_SET);  in write_pmu_mappings()
806 static int write_group_desc(int fd, struct perf_header *h __maybe_unused,  in write_group_desc()  argument
813 	ret = do_write(fd, &nr_groups, sizeof(nr_groups));  in write_group_desc()
824 			ret = do_write_string(fd, name);  in write_group_desc()
828 			ret = do_write(fd, &leader_idx, sizeof(leader_idx));  in write_group_desc()
832 			ret = do_write(fd, &nr_members, sizeof(nr_members));  in write_group_desc()
850 static int write_cpuid(int fd, struct perf_header *h __maybe_unused,  in write_cpuid()  argument
862 	return do_write_string(fd, buffer);  in write_cpuid()
865 static int write_branch_stack(int fd __maybe_unused,  in write_branch_stack()
872 static void print_hostname(struct perf_header *ph, int fd __maybe_unused,  in print_hostname()
878 static void print_osrelease(struct perf_header *ph, int fd __maybe_unused,  in print_osrelease()
884 static void print_arch(struct perf_header *ph, int fd __maybe_unused, FILE *fp)  in print_arch()
889 static void print_cpudesc(struct perf_header *ph, int fd __maybe_unused,  in print_cpudesc()
895 static void print_nrcpus(struct perf_header *ph, int fd __maybe_unused,  in print_nrcpus()
902 static void print_version(struct perf_header *ph, int fd __maybe_unused,  in print_version()
908 static void print_cmdline(struct perf_header *ph, int fd __maybe_unused,  in print_cmdline()
926 static void print_cpu_topology(struct perf_header *ph, int fd __maybe_unused,  in print_cpu_topology()
965 read_event_desc(struct perf_header *ph, int fd)  in read_event_desc()  argument
975 	ret = readn(fd, &nre, sizeof(nre));  in read_event_desc()
982 	ret = readn(fd, &sz, sizeof(sz));  in read_event_desc()
1010 		ret = readn(fd, buf, sz);  in read_event_desc()
1019 		ret = readn(fd, &nr, sizeof(nr));  in read_event_desc()
1028 		evsel->name = do_read_string(fd, ph);  in read_event_desc()
1040 			ret = readn(fd, id, sizeof(*id));  in read_event_desc()
1064 static void print_event_desc(struct perf_header *ph, int fd, FILE *fp)  in print_event_desc()  argument
1066 	struct perf_evsel *evsel, *events = read_event_desc(ph, fd);  in print_event_desc()
1096 static void print_total_mem(struct perf_header *ph, int fd __maybe_unused,  in print_total_mem()
1102 static void print_numa_topology(struct perf_header *ph, int fd __maybe_unused,  in print_numa_topology()
1143 static void print_cpuid(struct perf_header *ph, int fd __maybe_unused, FILE *fp)  in print_cpuid()
1149 			       int fd __maybe_unused, FILE *fp)  in print_branch_stack()
1154 static void print_pmu_mappings(struct perf_header *ph, int fd __maybe_unused,  in print_pmu_mappings()
1191 static void print_group_desc(struct perf_header *ph, int fd __maybe_unused,  in print_group_desc()
1368 				int fd, void *data)  in process_tracing_data()  argument
1370 	ssize_t ret = trace_report(fd, data, false);  in process_tracing_data()
1375 			    struct perf_header *ph, int fd,  in process_build_id()  argument
1378 	if (perf_header__read_build_ids(ph, fd, section->offset, section->size))  in process_build_id()
1384 			    struct perf_header *ph, int fd,  in process_hostname()  argument
1387 	ph->env.hostname = do_read_string(fd, ph);  in process_hostname()
1392 			     struct perf_header *ph, int fd,  in process_osrelease()  argument
1395 	ph->env.os_release = do_read_string(fd, ph);  in process_osrelease()
1400 			   struct perf_header *ph, int fd,  in process_version()  argument
1403 	ph->env.version = do_read_string(fd, ph);  in process_version()
1408 			struct perf_header *ph,	int fd,  in process_arch()  argument
1411 	ph->env.arch = do_read_string(fd, ph);  in process_arch()
1416 			  struct perf_header *ph, int fd,  in process_nrcpus()  argument
1422 	ret = readn(fd, &nr, sizeof(nr));  in process_nrcpus()
1431 	ret = readn(fd, &nr, sizeof(nr));  in process_nrcpus()
1443 			   struct perf_header *ph, int fd,  in process_cpudesc()  argument
1446 	ph->env.cpu_desc = do_read_string(fd, ph);  in process_cpudesc()
1451 			 struct perf_header *ph,  int fd,  in process_cpuid()  argument
1454 	ph->env.cpuid = do_read_string(fd, ph);  in process_cpuid()
1459 			     struct perf_header *ph, int fd,  in process_total_mem()  argument
1465 	ret = readn(fd, &mem, sizeof(mem));  in process_total_mem()
1510 		   struct perf_header *header, int fd,  in process_event_desc()  argument
1514 	struct perf_evsel *evsel, *events = read_event_desc(header, fd);  in process_event_desc()
1529 			   struct perf_header *ph, int fd,  in process_cmdline()  argument
1537 	ret = readn(fd, &nr, sizeof(nr));  in process_cmdline()
1548 		str = do_read_string(fd, ph);  in process_cmdline()
1565 				struct perf_header *ph, int fd,  in process_cpu_topology()  argument
1573 	ret = readn(fd, &nr, sizeof(nr));  in process_cpu_topology()
1584 		str = do_read_string(fd, ph);  in process_cpu_topology()
1594 	ret = readn(fd, &nr, sizeof(nr));  in process_cpu_topology()
1604 		str = do_read_string(fd, ph);  in process_cpu_topology()
1621 				 struct perf_header *ph, int fd,  in process_numa_topology()  argument
1631 	ret = readn(fd, &nr, sizeof(nr));  in process_numa_topology()
1643 		ret = readn(fd, &node, sizeof(node));  in process_numa_topology()
1647 		ret = readn(fd, &mem_total, sizeof(u64));  in process_numa_topology()
1651 		ret = readn(fd, &mem_free, sizeof(u64));  in process_numa_topology()
1664 		str = do_read_string(fd, ph);  in process_numa_topology()
1681 				struct perf_header *ph, int fd,  in process_pmu_mappings()  argument
1690 	ret = readn(fd, &pmu_num, sizeof(pmu_num));  in process_pmu_mappings()
1706 		if (readn(fd, &type, sizeof(type)) != sizeof(type))  in process_pmu_mappings()
1711 		name = do_read_string(fd, ph);  in process_pmu_mappings()
1731 			      struct perf_header *ph, int fd,  in process_group_desc()  argument
1744 	if (readn(fd, &nr_groups, sizeof(nr_groups)) != sizeof(nr_groups))  in process_group_desc()
1761 		desc[i].name = do_read_string(fd, ph);  in process_group_desc()
1765 		if (readn(fd, &desc[i].leader_idx, sizeof(u32)) != sizeof(u32))  in process_group_desc()
1768 		if (readn(fd, &desc[i].nr_members, sizeof(u32)) != sizeof(u32))  in process_group_desc()
1825 	int (*write)(int fd, struct perf_header *h, struct perf_evlist *evlist);
1826 	void (*print)(struct perf_header *h, int fd, FILE *fp);
1828 		       struct perf_header *h, int fd, void *data);
1873 					   int feat, int fd, void *data)  in perf_file_section__fprintf_info()  argument
1877 	if (lseek(fd, section->offset, SEEK_SET) == (off_t)-1) {  in perf_file_section__fprintf_info()
1890 		feat_ops[feat].print(ph, fd, hd->fp);  in perf_file_section__fprintf_info()
1902 	int fd = perf_data_file__fd(session->file);  in perf_header__fprintf_info()  local
1906 	perf_header__process_sections(header, fd, &hd,  in perf_header__fprintf_info()
1911 static int do_write_feat(int fd, struct perf_header *h, int type,  in do_write_feat()  argument
1922 		(*p)->offset = lseek(fd, 0, SEEK_CUR);  in do_write_feat()
1924 		err = feat_ops[type].write(fd, h, evlist);  in do_write_feat()
1929 			lseek(fd, (*p)->offset, SEEK_SET);  in do_write_feat()
1933 		(*p)->size = lseek(fd, 0, SEEK_CUR) - (*p)->offset;  in do_write_feat()
1940 				   struct perf_evlist *evlist, int fd)  in perf_header__adds_write()  argument
1960 	lseek(fd, sec_start + sec_size, SEEK_SET);  in perf_header__adds_write()
1963 		if (do_write_feat(fd, header, feat, &p, evlist))  in perf_header__adds_write()
1967 	lseek(fd, sec_start, SEEK_SET);  in perf_header__adds_write()
1972 	err = do_write(fd, feat_sec, sec_size);  in perf_header__adds_write()
1979 int perf_header__write_pipe(int fd)  in perf_header__write_pipe()  argument
1989 	err = do_write(fd, &f_header, sizeof(f_header));  in perf_header__write_pipe()
2000 			       int fd, bool at_exit)  in perf_session__write_header()  argument
2009 	lseek(fd, sizeof(f_header), SEEK_SET);  in perf_session__write_header()
2012 		evsel->id_offset = lseek(fd, 0, SEEK_CUR);  in perf_session__write_header()
2013 		err = do_write(fd, evsel->id, evsel->ids * sizeof(u64));  in perf_session__write_header()
2020 	attr_offset = lseek(fd, 0, SEEK_CUR);  in perf_session__write_header()
2030 		err = do_write(fd, &f_attr, sizeof(f_attr));  in perf_session__write_header()
2038 		header->data_offset = lseek(fd, 0, SEEK_CUR);  in perf_session__write_header()
2042 		err = perf_header__adds_write(header, evlist, fd);  in perf_session__write_header()
2064 	lseek(fd, 0, SEEK_SET);  in perf_session__write_header()
2065 	err = do_write(fd, &f_header, sizeof(f_header));  in perf_session__write_header()
2070 	lseek(fd, header->data_offset + header->data_size, SEEK_SET);  in perf_session__write_header()
2076 				    int fd, void *buf, size_t size)  in perf_header__getbuffer64()  argument
2078 	if (readn(fd, buf, size) <= 0)  in perf_header__getbuffer64()
2087 int perf_header__process_sections(struct perf_header *header, int fd,  in perf_header__process_sections()  argument
2091 						 int feat, int fd, void *data))  in perf_header__process_sections()
2109 	lseek(fd, header->feat_offset, SEEK_SET);  in perf_header__process_sections()
2111 	err = perf_header__getbuffer64(header, fd, feat_sec, sec_size);  in perf_header__process_sections()
2116 		err = process(sec++, header, feat, fd, data);  in perf_header__process_sections()
2244 			   struct perf_header *ph, int fd)  in perf_file_header__read()  argument
2248 	lseek(fd, 0, SEEK_SET);  in perf_file_header__read()
2250 	ret = readn(fd, header, sizeof(*header));  in perf_file_header__read()
2317 				      int feat, int fd, void *data)  in perf_file_section__process()  argument
2319 	if (lseek(fd, section->offset, SEEK_SET) == (off_t)-1) {  in perf_file_section__process()
2333 	return feat_ops[feat].process(section, ph, fd, data);  in perf_file_section__process()
2337 				       struct perf_header *ph, int fd,  in perf_file_header__read_pipe()  argument
2342 	ret = readn(fd, header, sizeof(*header));  in perf_file_header__read_pipe()
2375 static int read_attr(int fd, struct perf_header *ph,  in read_attr()  argument
2386 	ret = readn(fd, attr, PERF_ATTR_SIZE_VER0);  in read_attr()
2413 		ret = readn(fd, ptr, left);  in read_attr()
2416 	ret = readn(fd, &f_attr->ids, sizeof(f_attr->ids));  in read_attr()
2473 	int fd = perf_data_file__fd(file);  in perf_session__read_header()  local
2482 	if (perf_file_header__read(&f_header, header, fd) < 0)  in perf_session__read_header()
2498 	lseek(fd, f_header.attrs.offset, SEEK_SET);  in perf_session__read_header()
2504 		if (read_attr(fd, header, &f_attr) < 0)  in perf_session__read_header()
2513 		tmp = lseek(fd, 0, SEEK_CUR);  in perf_session__read_header()
2535 		lseek(fd, f_attr.ids.offset, SEEK_SET);  in perf_session__read_header()
2538 			if (perf_header__getbuffer64(header, fd, &f_id, sizeof(f_id)))  in perf_session__read_header()
2544 		lseek(fd, tmp, SEEK_SET);  in perf_session__read_header()
2549 	perf_header__process_sections(header, fd, &session->tevent,  in perf_session__read_header()
2659 int perf_event__synthesize_tracing_data(struct perf_tool *tool, int fd,  in perf_event__synthesize_tracing_data()  argument
2679 	tdata = tracing_data_get(&evlist->entries, fd, true);  in perf_event__synthesize_tracing_data()
2700 	write_padded(fd, NULL, 0, padding);  in perf_event__synthesize_tracing_data()
2710 	int fd = perf_data_file__fd(session->file);  in perf_event__process_tracing_data()  local
2711 	off_t offset = lseek(fd, 0, SEEK_CUR);  in perf_event__process_tracing_data()
2715 	lseek(fd, offset + sizeof(struct tracing_data_event),  in perf_event__process_tracing_data()
2718 	size_read = trace_report(fd, &session->tevent,  in perf_event__process_tracing_data()
2722 	if (readn(fd, buf, padding) < 0) {  in perf_event__process_tracing_data()