callchain_register_param
if (callchain_register_param(&callchain_param) < 0) {
callchain_register_param(&callchain_param);
callchain_register_param(&callchain_param);
if (callchain_register_param(&callchain_param) < 0) {
callchain_register_param(&callchain_param);
if (callchain_register_param(callchain) < 0) {
callchain_register_param(&callchain_param);
callchain_register_param(&callchain_param);
callchain_register_param(&callchain_param);
callchain_register_param(&callchain_param);
callchain_register_param(&callchain_param);
if (callchain_register_param(&callchain_param) < 0) {
int callchain_register_param(struct callchain_param *param);
if (callchain_register_param(&callchain_param) < 0) {