CHAIN_FLAT
callchain_param.mode = CHAIN_FLAT;
if (callchain_param.mode == CHAIN_FLAT) {
if (callchain_param.mode == CHAIN_FLAT)
if (callchain_param.mode == CHAIN_FLAT ||
if (callchain_param.mode == CHAIN_FLAT)
case CHAIN_FLAT:
case CHAIN_FLAT:
rb_insert_callchain(rb_root, node, CHAIN_FLAT);
case CHAIN_FLAT:
callchain_param.mode = CHAIN_FLAT;