549 		ret = do_write(ff, evsel->core.id, evsel->core.ids * sizeof(u64));  in write_event_desc()
1107 		ret = do_write(ff, &node->id,  in write_bpf_btf()
1873 		fprintf(fp, "# btf info of id %u\n", node->id);  in print_bpf_btf()
1889 		zfree(&evsel->core.id);  in free_event_desc()
1932 	u64 *id;  in read_event_desc()  local
1989 		id = calloc(nr, sizeof(*id));  in read_event_desc()
1990 		if (!id)  in read_event_desc()
1993 		evsel->core.id = id;  in read_event_desc()
1996 			if (do_read_u64(ff, id))  in read_event_desc()
1998 			id++;  in read_event_desc()
2020 	u64 *id;  in print_event_desc()  local
2037 			for (j = 0, id = evsel->core.id; j < evsel->core.ids; j++, id++) {  in print_event_desc()
2040 				fprintf(fp, " %"PRIu64, *id);  in print_event_desc()
2577 	struct strbuf sb;  in process_cpu_topology()  local
2592 	if (strbuf_init(&sb, 128) < 0)  in process_cpu_topology()
2601 		if (strbuf_add(&sb, str, strlen(str) + 1) < 0)  in process_cpu_topology()
2606 	ph->env.sibling_cores = strbuf_detach(&sb, NULL);  in process_cpu_topology()
2620 		if (strbuf_add(&sb, str, strlen(str) + 1) < 0)  in process_cpu_topology()
2625 	ph->env.sibling_threads = strbuf_detach(&sb, NULL);  in process_cpu_topology()
2684 		if (strbuf_add(&sb, str, strlen(str) + 1) < 0)  in process_cpu_topology()
2689 	ph->env.sibling_dies = strbuf_detach(&sb, NULL);  in process_cpu_topology()
2701 	strbuf_release(&sb);  in process_cpu_topology()
2758 	struct strbuf sb;  in process_pmu_mappings()  local
2769 	if (strbuf_init(&sb, 128) < 0)  in process_pmu_mappings()
2780 		if (strbuf_addf(&sb, "%u:%s", type, name) < 0)  in process_pmu_mappings()
2783 		if (strbuf_add(&sb, "", 1) < 0)  in process_pmu_mappings()
2792 	ff->ph->env.pmu_mappings = strbuf_detach(&sb, NULL);  in process_pmu_mappings()
2796 	strbuf_release(&sb);  in process_pmu_mappings()
3208 		u32 id, data_size;  in process_bpf_btf()  local
3210 		if (do_read_u32(ff, &id))  in process_bpf_btf()
3219 		node->id = id;  in process_bpf_btf()
3670 		err = do_write(&ff, evsel->core.id, evsel->core.ids * sizeof(u64));  in perf_session__do_write_header()
3716 		.attrs = {  in perf_session__do_write_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()
4348 	ret = fprintf(fp, "\n... id:    %" PRI_lu64 "\n", ev->id);  in perf_event__fprintf_event_update()
4433 	evsel = evlist__id2evsel(evlist, ev->id);  in perf_event__process_event_update()