254 static char *do_read_string(struct feat_fd *ff)  in do_read_string()  function
2139 		evsel->name = do_read_string(ff);  in read_event_desc()
2625 	ff->ph->env.__feat_env = do_read_string(ff); \
2769 		str = do_read_string(ff);  in process_cmdline()
2810 		str = do_read_string(ff);  in process_cpu_topology()
2829 		str = do_read_string(ff);  in process_cpu_topology()
2878 		str = do_read_string(ff);  in process_cpu_topology()
2935 		str = do_read_string(ff);  in process_numa_topology()
2977 		name = do_read_string(ff);  in process_pmu_mappings()
3030 		desc[i].name = do_read_string(ff);  in process_group_desc()
3134 			c->v = do_read_string(ff);		\  in process_cache()
3295 		n->pmu_name = do_read_string(ff);  in process_hybrid_topology()
3299 		n->cpus = do_read_string(ff);  in process_hybrid_topology()
3500 		name = do_read_string(ff);  in __process_pmu_caps()
3504 		value = do_read_string(ff);  in __process_pmu_caps()
3585 		pmu_caps[i].pmu_name = do_read_string(ff);  in process_pmu_caps()
3675 				dname = do_read_string(ff);  in process_cpu_domain_info()
3682 			cpumask = do_read_string(ff);  in process_cpu_domain_info()
3688 			cpulist = do_read_string(ff);  in process_cpu_domain_info()