723 	const char *var;  in show_available_vars_at()  local
755 				var = strchr(node->s, '\t') + 1;  in show_available_vars_at()
756 				if (strfilter__compare(_filter, var)) {  in show_available_vars_at()
1149 		arg->var = strdup(str);  in parse_perf_probe_arg()
1150 		if (arg->var == NULL)  in parse_perf_probe_arg()
1152 		pr_debug("%s\n", arg->var);  in parse_perf_probe_arg()
1157 	arg->var = strndup(str, tmp - str);  in parse_perf_probe_arg()
1158 	if (arg->var == NULL)  in parse_perf_probe_arg()
1160 	goodname = arg->var;  in parse_perf_probe_arg()
1161 	pr_debug("%s, ", arg->var);  in parse_perf_probe_arg()
1251 		    is_c_varname(pev->args[i].var) && pev->point.retprobe) {  in parse_perf_probe_command()
1272 		if (is_c_varname(pev->args[i].var))  in perf_probe_event_need_dwarf()
1385 	if (pa->name && pa->var)  in synthesize_perf_probe_arg()
1386 		ret = e_snprintf(tmp, len, "%s=%s", pa->name, pa->var);  in synthesize_perf_probe_arg()
1388 		ret = e_snprintf(tmp, len, "%s", pa->name ? pa->name : pa->var);  in synthesize_perf_probe_arg()
1752 		free(pev->args[i].var);  in clear_perf_probe_event()
2315 			tev->args[i].value = strdup_or_goto(pev->args[i].var,  in find_probe_trace_events_from_map()